СПОСОБ ЦЕНТРИРОВКИ ЛИНЗ ОБЪЕКТИВА ШТАБЕЛЬНОЙ КОНСТРУКЦИИ И ОПРАВЫ ЛИНЗ ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение относится к области оптического приборостроения и касается способа центровки объектива штабельной конструкции. Способ включает в себя центрировку линз относительно базовой оси объектива, которой является ось вращения стола станции для автоматизированной центрировки. Для этого на стол станции помещают оправу с установленной в ней по базовой поверхности первой линзой объектива, измеряют биение первого центра кривизны линзы относительно оси вращения стола, смещают оправу для совмещения первого центра кривизны линзы с осью вращения и фиксируют положение оправы. Затем измеряют биение второго центра кривизны линзы. Наклоном линзы в оправе совмещают второй центр ее кривизны с осью вращения и фиксируют положение линзы в оправе. Далее устанавливают на оправу первой линзы оправу второй линзы и осуществляют центрировку второй линзы по такому же алгоритму. Оправы линзовых компонентов обеспечивают возможность наклонять линзы относительно оси вращения стола при различных формах ее базовой ...

МОДУЛЬНАЯ СБОРКА НА ОСНОВЕ СИД

Изобретение относится к осветительной системе, содержащей: плату СИД, несущую СИДы; и оптическую плату на плате СИД; причем оптическая плата выполнена из оптических модулей, расположенных рядом друг с другом согласно заранее определенным ориентациям по отношению друг к другу, причем каждый оптический модуль содержит, по меньшей мере, один оптический элемент, выполненный с возможностью быть обращенным к, по меньшей мере, одному из упомянутых СИДов и изменять параметр света, излучаемого этим, по меньшей мере, одним СИД, причем осветительная система снабжена механическими элементами защиты от неправильного обращения, выполненными с возможностью препятствовать размещению оптических модулей согласно ориентациям по отношению друг к другу, отличным от упомянутых заранее определенных ориентаций. 2 н. и 12 з.п. ф-лы, 20 ил.

ДВУХРЕЖИМНЫЙ ДИСПЛЕЙ

Изобретение относится к области техники портативных дисплеев и направлено на повышение удобства при их использовании. Этот результат обеспечивается за счет того, что двухрежимный дисплей включает в себя монохроматический отражательный дисплей прямого видения и полноцветный виртуальный дисплей, расположенный позади монохроматического отражательного дисплея прямого видения. Монохроматический отражательный дисплей прямого видения включает в себя отображающую панель, имеющую первую схему расположения пикселей, и узкополосный отражатель, расположенный позади отображающей панели. Виртуальный дисплей имеет вторую схему расположения пикселей, причем каждый пиксель испускает свет в одной из трех основных цветовых полос через монохроматический отражательный дисплей прямого видения, и свет, испускаемый каждым пикселем, в комбинации со светом, испускаемым другими пикселями виртуального дисплея, формирует полноцветное виртуальное изображение от двухрежимного дисплея. 3 н. и 6 з.п. ф-лы, 4 ил.

СТОМАТОЛОГИЧЕСКАЯ ИЛИ ЭНДОСКОПИЧЕСКАЯ КАМЕРА

Изобретение относится к медицинской технике, а именно к электронно-оптическим камерам для стоматологии или эндоскопии. Стоматологическая или эндоскопическая камера имеет корпус, оптическую систему, определяющую поле зрения диафрагму и расположенный на одной оси с оптической системой электронно-оптический преобразователь, при этом оптическая система имеет расположенную со стороны объекта линзовую систему, среднюю линзовую систему и линзовую систему, расположенную со стороны электронно-оптического преобразователя, при этом определяющая поле зрения диафрагма или ее изображение располагается в зоне расположенной со стороны электронно-оптического преобразователя линзовой системы. Использование изобретения позволяет упростить конструкцию и сборку эндоскопа и снизить требования к качеству выполнения используемых в нем линз при сохранении высокого качества получаемых изображений. 11 з.п. ф-лы, 3 ил., 1 табл.

СПОСОБ СБОРКИ ОБЪЕКТИВОВ, РАБОТАЮЩИХ В ИНФРАКРАСНОЙ ОБЛАСТИ СПЕКТРА

Способ включает установку имитатора каждой линзы, изготовленного из материала, прозрачного в видимой области спектра, в свою оправу, закрепление имитатора линзы в «плавающем» патроне станка так, чтобы центр кривизны базовой поверхности имитатора линзы совпадал с центром качания чашки «плавающего» патрона станка. Подвижками оправы в «плавающем» патроне станка при контроле автоколлимационным микроскопом выставляют автоколлимационные изображения центров кривизны двух оптических поверхностей имитатора линзы на ось вращения шпинделя станка. После чего извлекают имитатор линзы из оправы, а на его место устанавливают линзу объектива, при этом происходит самоцентрирование невидимой поверхности линзы. Затем разворотом чашки «плавающего» патрона станка при контроле автоколлимационным микроскопом выставляют автоколлимационное изображение центра кривизны видимой оптической поверхности линзы на ось вращения шпинделя станка, после чего обрабатывают торцевые и цилиндрические поверхности оправы. Технический ...

УСТРОЙСТВО ДЛЯ КРЕПЛЕНИЯ ЛИНЗ В ОПРАВЕ

МОДУЛЬ КАМЕРЫ

Изобретение относится к модулю камеры, встроенному в портативное электронное устройство. Устройство содержит блок затвора, установленный на передней поверхности передней оправы объектива. Блок затвора имеет лепесток затвора, который открывает и закрывает оптический путь системы съемки изображения с помощью привода лепестка затвора. В кожухе, в котором размещен лепесток затвора с приводом, выполнено отверстие для оптического пути. Блок затвора установлен на передней поверхности передней оправы объектива, путем зацепления друг с другом секции фиксации крышки и секции фиксации кожуха. Технический результат - уменьшение количества деталей и упрощение их формы. 6 з.п. ф-лы, 50 ил.

УЗЕЛ ОБЪЕКТИВА, КАМЕРА И ЭЛЕКТРОННОЕ УСТРОЙСТВО

Электронное устройство содержит экран дисплея и камеру, обращенную к экрану дисплея, причем камера имеет предметную сторону и сторону изображения и содержит узел объектива, имеющий оправу объектива, и группу линз, расположенную в оправе объектива. Группа линз имеет первую линзу, расположенную наиболее близко к предметной стороне, причем первая линза имеет эффективную область и неэффективную область, образованную вокруг внешнего края эффективной области. Отношение толщины в центре эффективной области к толщине неэффективной области больше или равно 2,5 и меньше или равно 3,5. Оправа объектива имеет первый конец, обращенный к предметной стороне и имеющий отверстие, в котором расположена эффективная область первой линзы. Оправа объектива дополнительно содержит первую опорную часть, на которую опирается неэффективная область первой линзы. Первый конец оправы объектива имеет верхний участок, окружающий отверстие, который имеет боковую стенку, имеющую толщину более или равную 0,1 мм и менее или ...

ОПТИЧЕСКОЕ УСТРОЙСТВО (ВАРИАНТЫ)

Использование: при создании оптических устройств, снабженных объективами с переменным фокусным расстоянием. Сущность изобретения: упругий элемент, установленный между группами линз оптического устройства с возможностью поддержания расстояния между ними, выполнен в виде не пропускающего свет в пространство между группами линз устройства и представляет собой спирально свернутую ленту, установленную с возможностью растяжения из сжатого состояния, причем в растянутом состоянии концентрично расположенные витки спирали частично перекрывают друг друга, внутренний виток спирально свернутой ленты скреплен с первой группой линз, а наружный виток скреплен с второй группой линз. Спирально свернутая лента в ее развернутом плоском состоянии может содержать пару параллельных продольных кромок и пару поперечных кромок, расположенных под некоторым углом к продольной кромке. Во втором варианте в оптическом устройстве, содержащем первую группу линз, установленную в первой оправе, вторую группу линз, установленную ...

СПОСОБ ЮСТИРОВКИ ОБЪЕКТИВА ДЛЯ МИКРОСКОПА И ОБЪЕКТИВ ДЛЯ МИКРОСКОПА

Способ включает предварительное измерение технологические погрешностей линзовых узлов и расчет по ним величины изменения одного из воздушных промежутков и углы поворота каждого линзового узла вокруг оси наружного цилиндра линзового узла. Осуществляют осевой сдвиг и поворот всех линзовых узлов. Совмещают оптическую и механическую оси объектива путем радиального сдвига всех линзовых узлов. Объектив содержит размещенные в цилиндрическом отверстии корпуса с опорной торцевой плоскостью и наружным базовым резьбовым цилиндром линзовые узлы в общей цилиндрической оправе, установленной с возможностью осевого перемещения относительно опорной торцевой плоскости, и прокладное коррекционное кольцо и пружину для упругого осевого замыкания общей цилиндрической оправы. Объектив снабжен цилиндрической втулкой с прорезью, направленной вдоль оси цилиндрического отверстия корпуса, втулка жестко соединена с общей цилиндрической оправой линзовых узлов в радиальном направлении и упругим замыканием в осевом направлении ...

СПОСОБ ИЗГОТОВЛЕНИЯ ГИБРИДНОЙ АСФЕРИЧЕСКОЙ ЛИНЗЫ

... 1. Способ изготовления гибридной асферической линзы, содержащий этапы, на которых обрабатывают сферическую линзу, осаждают слой материала асферической линзы на сферическую линзу и прижимают пресс-форму, имеющую асферическую поверхность, к слою материала асферической линзы для формирования гибридной асферической линзы поверх сферической линзы. 2. Способ по п.1, в котором сферическая линза выполнена из стекла. 3. Способ по п.1, в котором слой материала асферической линзы выполнен из полимерной смолы с адгезивными свойствами. 4. Способ по п.3, в котором полимерная смола имеет показатель преломления в пределах от 1,45 до 1,68. 5. Способ по п.1, в котором сферическая линза имеет другой показатель преломления, чем гибридная асферическая линза. 6. Способ по п.1, в котором гибридную асферическую линзу формируют на входной поверхности и выходной поверхности сферической линзы. 7. Способ по п.1, в котором гибридная асферическая линза является линзой с силой увеличения. 8. Способ по п.1, в котором ...

СПОСОБ ЮСТИРОВКИ ЛИНЗЫ В ОПРАВЕ И ОПРАВА ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ юстировки линзы, включающий обеспечение возможности вращения составной оправы линзы, содержащей основную и промежуточные части, вокруг ее базовой оси, установку линзы на опорный буртик цилиндрического отверстия промежуточной части оправы, размещаемой на буртике цилиндрического отверстия основной части оправы и имеющей возможность смещаться относительно нее, вращая основную оправу вокруг базовой оси, измеряют с помощью автоколлиматора биение центра кривизны первой рабочей поверхности линзы относительно оси вращения, смещают промежуточную часть оправы для совмещения центра кривизны первой рабочей поверхности линзы с осью вращения, фиксируют положение промежуточной части оправы относительно основной, измеряют биение центра кривизны второй рабочей поверхности линзы относительно оси вращения, сдвигают линзу в радиальном направлении по поверхности опорного буртика промежуточной части оправы для совмещения центра кривизны второй рабочей поверхности линзы с осью вращения и фиксируют положение ...

ПРОМЕЖУТОЧНОЕ КОЛЬЦО, СИСТЕМА ЛИНЗ, СПОСОБ ИЗГОТОВЛЕНИЯ ПРОМЕЖУТОЧНОГО КОЛЬЦА И СПОСОБ СБОРКИ СИСТЕМЫ ЛИНЗ

СПОСОБ ЦЕНТРИРОВКИ ЛИНЗЫ В ОПРАВЕ И ОПРАВА ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Способ включает установку линзы сферической рабочей поверхностью на опорный буртик цилиндрического отверстия промежуточной цилиндрической части, размещаемой на опорном буртике цилиндрического отверстия основной оправы. Измеряют биение центра кривизны первой рабочей поверхности относительно оси вращения. Разворачивают промежуточную часть оправы для совмещения центра кривизны первой рабочей поверхности с осью вращения и фиксируют ее положение. Наклоняют линзу для совмещения центра кривизны второй рабочей поверхности с осью вращения или установки её перпендикулярно к оси вращения и фиксируют положение линзы в промежуточной части оправы. Оправа имеет наружную базовую цилиндрическую поверхность и плоский наружный базовый фланец, образующие базовую ось оправы, внутреннее цилиндрическое отверстие с опорным буртиком, в которое вставлена промежуточная цилиндрическая часть с опорным буртиком для установки линзы. Внутреннее цилиндрическое отверстие промежуточной цилиндрической части выполнено с эксцентриситетом ...

Инфракрасный объектив с температурной компенсацией фокусировки

Устройство для выставления деталей

Оправа для конденсатора

Патрон для центрирования линз

Используется для центрирования линз в оправах, при сборке оптических приборов. Сущность изобретения: патрон для центрирования линз содержит корпус и связанные с ним узел перемещения и узел качания. Узел качания включает ш арнирно связанные ориентирующий шток для закрепления переходной оправки центрируемой линзы и две параллельно установленные планшайбы , две направляющие, имеющие возможность перемещения вдоль оси вращения патрона, четыре торцевых кулачка, попарно установленных на направляющих с возможностью вращения вокруг собственных осей, четыре плунжера и регулировочную гайку Направляющие кинематически связаны с регулировочной гайкой и подвижным корпусом и установлены взаимно ортогонально друг к другу, а торцовые кулачки 9 посредством плунжеров взаимодействуют с планшайбами узла качания патрона. 2 ил.

Способ центрировки цилиндрических линз в оправах

Объектив

Сущность изобретения: объектив содержит оправы с линзами, установленные в общий корпус, посадочные поверхности оправ и корпуса выполнены коническими. При сборке объектива линзы закрепляют в оправах , центрируют каждую оправу по своей -линзе посредством обработки ее конических поверхностей, устанавливают з общий корпус на коническую поверхнос ь и закрепляют их резьбовым кольцом 1 ил.

PHOTOCHROME NAPHTHOPYRAN-VERBINDUNGEN

Thermal compensated optical component forms spacing between first and third solid joints, and second and fourth solid joints, where spacing is equal to twice length of one coupling of connection unit

The optical component has a connection unit (3) that is provided with three different length couplings (3.1-3.3). The coupling (3.3) is connected with first solid joint while coupling (3.1) is connected with third solid joint by a rotationally symmetric socket ring (2) of a monolithic socket (1). The coupling (3.2) is connected with fourth solid joint by socket ring while coupling (3.3) is connected with second solid joint. Spacing formed between first and third solid joints, and second and fourth solid joints is equal to twice the length of coupling (3.1).

VERFAHREN ZUM HALTEN/LÖSEN VON LINSEN

Vorrichtung zum Orten von in einen zu überwachenden Raumbereich eindringenden Objekten

Projection objective for picture readout

The projection objective comprises a lens with a temperature coefficient of its refractive index, with the size of the position fluctuation between the projection position and a light receiving area being adapted via thermal expansion of elements about the projection objective due to the artificial alteration of the surrounding temperature. There can be a reduction due to the alteration of the projection position due to the alteration of the projection objective via artificial temperature changes. The projection objective may have a convex first lens and a concave second lens. The first lens may have a temperature coefficient of the refractive index which may be smaller than the second lens.

Halterung für ein Objektiv

OPTIKFASSUNG

Projektionsbelichtungsanlage mit deformationsentkoppelten Komponenten

Die Erfindung betrifft eine Projektionsbelichtungsanlage (1) für die Halbleiterlithographie. Die Projektionsbelichtungsanlage (1) umfasst eine erste Komponente (30), welche mittels eines Verbindungselements (34) über eine Fügefläche (35) mit einer weiteren Komponente der Projektionsbelichtungsanlage (1) mechanisch verbunden ist. Dabei wird ein Fügebereich (36) geschaffen, welcher sich unterhalb der Fügefläche (35) bis zu einer der ersten Seite (31) gegenüberliegenden Seite (32) der ersten Komponente (30) erstreckt. Die erste Komponente (30) weist mindestens eine Ausnehmung (38) auf, welche auf der der Fügefläche (35) gegenüber liegenden Seite (32) der Komponente (30) angeordnet ist und durch welche die Einleitung von Deformationen aus dem Fügebereich (36) in weitere Bereiche (37) der ersten Komponente (30) vermindert wird.

Objektiv mit zumindest einer ersten und einer zweiten optischen Baugruppe

Die Erfindung betrifft ein Objektiv (1) mit folgenden Merkmalen: eine in einem ersten Objektivgehäuse (2) gelagerte zumindest eine erste Linse (4) umfassende erste optische Baugruppe, wobei die erste Linse (4) zumindest eine erste Fläche (4A) und eine zweite Fläche (4B) mit annähernd gleichen Krümmungsradien aufweist; und eine in einem zweiten Objektivgehäuse (3) gelagerte zumindest eine Linse umfassende zweite optische Baugruppe, wobei das erste und zweite Objektivgehäuse in einem Verbindungsbereich (V) miteinander verbunden ist und wobei die unmittelbar an den Verbindungsbereich angrenzende Linse im ersten Objektivgehäuse die erste Linse (4) ist.

Device for optically coupling an element which emits light to an element which receives light

A device for low-attenuation coupling of an element (1) which emits light to an element (2) which receives light, both of which elements (1, 2) are arranged in a housing, specifically in a duct (4) which passes through the housing (3), consists in at least one of the two optical elements (1, 2) being arranged in a receptacle (5) which rests with a plane (9) present on it on a reference plane (10) on the housing (3), so that by displacing the receptacle (5) on the reference plane (10) of the housing (3) the optical element (1) can be moved laterally with respect to the direction of propagation of the main beam, and that at least one optical collimator (12) is arranged in the duct (3), the said collimator (12) being held in a sleeve (13) which is displaceably mounted in the duct (4) in such a way that the optical collimator (12) can be moved along the direction of propagation of the main beam (Figure). ...

Afokales Fernrohr mit Autofokus und Temperaturausgleich

Optical system for a radiation sensor

An optical system (18) for a radiation sensor (11), especially an infrared sensor (11), is to be provided, between the crystalline semiconductor material of the optical system (18) and the sensor housing (19), with a fastening which can be subjected to a high mechanical load and is hermetcally tight. For this purpose, the optical system (18) of crystalline semiconductor material is designed in cross-section to have the shape of a hood or an arch and is inserted into a housing ring (46) while leaving an angular gap (47) which runs around the periphery and receives a ring (48) of sintered glass-solder powder. Melting this glass-solder sinter ring (48) leads, after cooling down, to a hermetically tight connection between the periphery (45) of the optical system and the housing mounting ring (46), for which preferably an iron-nickel alloy is selected for reasons of easy processing. ...

Linsenhalterung.

HALTER FUER EINE LUPE ZUR ANBRINGUNG AN EINE TISCH- ODER STEHLEUCHTE

Device for moving lens in light beam, has guide elements by which lens is engaged and lens is movable in direction of light beam

Device has guide elements (10.3) by which the lens (1) is engaged and lens is movable in the direction of the light beam (2). The guide element is movable parallel to light beam and the lens is engaged from three guide elements. The guide element is movable in a wall cutout (7.1,7.3) from a cylinder (5) and in the window (6.3) in the wall of the cylinder.

Halterung für ein Objektiv

Camera for motor vehicle, has casing enclosing printing wiring board whose supporting surface supports imaging chip

The camera has a casing (3) enclosing the printing wiring board (9) whose supporting surface supports the imaging chip (2). The chip is adjustably positioned with respect to the supporting surface. An independent claim is also included for camera manufacturing method.

Mikroskopobjektiv

Beschrieben ist ein Mikroskopobjektiv (10, 100, 200) mit einem Objektivgehäuse (12), das ein Linsensystem mit einer Linseneinheit (60) enthält, die zur Deckglasdickenkorrektur längs der optischen Achse (O) des Linsensystems verstellbar ist, und einer zum Verstellen der Linseneinheit (60) vorgesehenen Verstellvorrichtung, die eine Antriebseinheit (14, 102, 202) und ein durch die Antriebseinheit (14, 102, 202) antreibbares Getriebe (42, 44, 46, 48, 50, 52, 54, 56, 62) aufweist, das mit der Linseneinheit (60) gekoppelt ist. Erfindungsgemäß weist die Antriebseinheit (14, 102, 202) einen Motor (34) auf und ist an dem Objektivgehäuse (12) montiert.

Device for connecting lens to mount e.g. for lithographic projection objective, has inserts placed in gaps approximately in radial direction between elastic connection members

A device for joining a lens to an objective mount via several elastic connecting members distributed over the periphery of the lens and arranged on the mount part of the objective, and in which the lens deviates from the vertical in its installed position and is joined to the elastic connection members via an adhesive joint. An insertion part (8) is placed in the gaps (7) provided approximately in a radial direction between the elastic connection members (4) and the lens (2) and additionally adhesive joints are made between the lens (2) and the elastic connection members (4). An ADDITIONAL CLAIM is given for a projection objective for semiconductor lithography ...

Objektiv für eine Film- oder Photokamera

Objektiv (1) für eine Film- oder Photokamera mit einem inneren Objektivelement (7) und einem äußeren Objektivelement (8), das das innere Objektivelement (7) zumindest teilweise umgibt, wobei das innere Objektivelement (7) und das äußere Objektivelement (8) relativ zueinander um eine Achse drehbar angeordnet sind, und mit einem Dichtungsystem zwischen dem inneren Objektivelement (7) und dem äußeren Objektivelement, dadurch gekennzeichnet, dass das Dichtungssystem (5, 5', 5'', 5''') eine Kunststofffolie (9, 9', 9'', 9''') umfasst, die mit dem inneren Objektivelement (7) und mit dem äußeren Objektivelement (8) in Kontakt steht, im inneren Objektivelement (7) eine erste V-förmige Nut (10, 10', 10''') ausgebildet ist, in der die Kunststofffolie (9, 9', 9'', 9''') anliegt und/oder im äußeren Objektivelement (8) eine zweite V-förmige Nut (10'') ausgebildet ist, in der die Kunststofffolie (9'') anliegt.

BILDGEBUNGSMODUL UND VERFAHREN ZU DESSEN HERSTELLUNG

Ein Bildgebungsmodul weist Folgendes auf: ein Objektiv; eine Bildsensorvorrichtung mit Seitenflächen und einer Ecke der Seitenflächen, wobei die Ecke in einer senkrecht zu einer optischen Achse verlaufenden Richtung vorsteht; und eine Halterung, die das Objektiv und die Bildsensorvorrichtung hält, wobei die Halterung einen Schlitz aufweist, der von einer Innenflächenseite zu einer Außenflächenseite der Halterung durchdringt, wobei die Ecke der Bildsensorvorrichtung am Schlitz angeordnet ist.

BILDGEBUNGSMODUL UND VERFAHREN ZU DESSEN HERSTELLUNG

Ein Bildgebungsmodul weist Folgendes auf: ein Objektiv; eine Bildsensorvorrichtung; eine Halterung, die das Objektiv und die Bildsensorvorrichtung hält, wobei die Halterung einen Stoßkontaktabschnitt aufweist, mit dem das Objektiv von einer Objektseite aus in Kontakt gebracht werden kann, und eine Aperturblende, die näher am Objekt als der Stoßkontaktabschnitt angeordnet ist, wobei ein durch einen Außenumfang der Aperturblende gegen Licht abzuschirmender Bereich größer als ein Innendurchmesser des Stoßkontaktabschnitts ist.

OPTISCHE ABBILDUNGSANORDNUNG MIT MECHANISCH ENTKOPPELTER KÜHLUNG

Es wird eine optische Abbildungsanordnung bereitgestellt, die eine Optikeinheit, eine Temperiereinrichtung und eine Stützstruktur umfasst. Die Optikeinheit ist zum Teilnehmen an einem optischen Abbildungsprozess, insbesondere einem Mikrolithographieprozess, konfiguriert. Die Stützstruktur stützt die Optikeinheit. Die Temperiereinrichtung umfasst einen Optikeinheitsteil, einen Stützstrukturteil und einen Verbindungsteil, wobei der Optikeinheitsteil mechanisch mit der Optikeinheit verbunden ist und der Stützstrukturteil mechanisch mit der Stützstruktur verbunden ist. Der Verbindungsteil stellt eine wärmeleitende Verbindung zwischen dem Optikeinheitsteil und dem Stützstrukturteil bereit. Die Temperiereinrichtung ist zum Halten einer Temperaturverteilung innerhalb der Optikeinheit innerhalb vordefinierbarer Grenzen durch Bereitstellen einer maximalen Wärmeübertragungsleistung zwischen dem Optikeinheitsteil und dem Stützstrukturteil konfiguriert. Der Verbindungsteil und/oder der Stützstrukturteil ...

Anordnung eines optischen Systems und Temperierungsverfahren

Ausgegangen wird von einer Anordnung eines optischen Systems mit mindestens einem optischen Element und einer elektromagnetische Wellen emittierenden Strahlungsquelle, beispielsweise einem Laser. Das optische Element umfasst zumindest einen Einstrahlbereich für die elektromagnetische Strahlung. Unter Einwirkung der elektromagnetischen Strahlung weist das optische Element lokale Bereiche unterschiedlicher Erwärmung auf, wodurch sich insbesondere in einem Funktionsbereich oder -fläche des Einstrahlbereichs eine Temperaturverteilung mit voneinander unterschiedlichen Temperaturwerten ausbildet. Zusätzlich umfasst die Anordnung eine Heizvorrichtung, die ausgebildet ist, zumindest in lokalen Bereichen mit erniedrigter Erwärmung durch Einbringen einer Wärmeenergie die Temperaturwerte zu erhöhen.

Justierbare Linsenfassung

Justierbare Linsenfassung mit einem Fassungsaußenring (1), einem lateral verstellbaren Fassungsinnenring (2) und wenigstens zwei Verbindungsstrukturen (3), wobei die wenigstens zwei Verbindungsstrukturen (3) jeweils mit einem Manipulator (4) mit einer radialen Wirkungsachse (4.1) in Verbindung stehen. Die Verbindungsstrukturen (3) umfassen jeweils ein Koppelglied (6) und ein mit diesem verbundenen Hebel (7), wobei das Koppelglied (6) mit dem Fassungsinnenring (2) radial weiter außen liegend verbunden ist, als der Hebel (7) mit dem Fassungsaußenring (1) verbunden ist.

ZENTRIERFUTTER

Projection light exposure system for microlithography

A projection lens for microlithography has a mount (2) fitted with actuators (3) which generate radial thrust onto the mount to compensate for non rotational stresses generated by lens heating. The exposure is via a slit scanning step and scan method. The actuators can be mechanical, hydraulic or piezoelectrical, and are arranged radially and parallel to the optical axis, to thrust on different parts of the lens mount.

Kinematische Linsenhalterung

BELEUCHTUNGSMODUL MIT HOHER WÄRMEABLEITUNG

VORRICHTUNG ZUR AUFNAHME VON BILDERN KLEINER ABMESSUNGEN, INSBESONDERE PHOTOAPPARAT ODER VIDEOKAMERA

NEIGUNGSEINSTELLMECHANISMUS

Ein Neigungseinstellmechanismus umfasst ein erstes Element, das an einem Verbindungsabschnitt einer Linseneinheit angebracht werden kann, der mit einem Linsentubus verbunden werden kann; ein zweites Element, das dem ersten Element gegenübersteht und das an einem Verbindungsabschnitt des Linsentubus angebracht werden kann, der mit der Linseneinheit verbunden werden kann; Kontaktelemente, die an dem ersten Element befestigt sind, die von dem ersten Element in Richtung auf das zweite Element vorstehen, und die das zweite Element berühren; und Einstell-/Befestigungselemente, die eine Neigung des ersten Elements mit Bezug auf das zweite Element einstellen können und das erste Element an dem zweiten Element befestigen können. Das zweite Element weist eine geneigte Oberfläche auf, die von den Kontaktelementen berührt wird, und jedes der Kontaktelemente weist eine gekrümmte Oberfläche auf, welche die geneigte Oberfläche berührt.

KOMPENSATION VON KRIECHEFFEKTEN IN EINER ABBILDUNSGSEINRICHTUNG

Die vorliegende Erfindung betrifft eine Anordnung einer optischen Abbildungseinrichtung für die Mikrolithographie, insbesondere für die Verwendung von Licht im extremen UV-Bereich (EUV), mit einer ersten Stützstruktur (111.1) und einer zweiten Stützstruktur (111.2), wobei die erste Stützstruktur (111.1) wenigstens ein optisches Element (107.2) der Abbildungseinrichtung über eine aktive Lageregeleinrichtung (110) einer Steuereinrichtung (109) abstützt. Die erste Stützstruktur (111.1) stützt die zweite Stützstruktur (111.2) über eine Mehrzahl von Stützfedereinrichtungen (113.1) einer Schwingungsentkopplungseinrichtung (113) ab, wobei die Stützfedereinrichtungen (113.1) kinematisch parallel zueinander wirken. Jede der Stützfedereinrichtungen (113.1) definiert eine Stützkraftrichtung sowie eine Stützlänge entlang der Stützkraftrichtung. Die zweite Stützstruktur (111.2) stützt eine Messeinrichtung (109.1) der Steuereinrichtung (109) ab, die mit der Lageregeleinrichtung (110) verbunden ist. Die ...

Einrichtung zur AEnderung der Winkelstellung eines Bauelementes um kleine Betraege

KAMERA MIT MITTELN ZUM PRÄZISEN FESTLEGEN DES ABSTANDS ZWISCHEN EINER LINSE UND EINEM BILDSENSORCHIP

Bildaufnahmegerät

OBJEKTIV MIT JUSTIERBAREM LUFTRAUM

WECHSELOBJEKTIV FUER EINE FOTOGRAFISCHE KAMERA

EINRASTVORRICHTUNG FUER EINEN KAMERAOBJEKTIVTUBUS

OKULAR

Kamerasystem zum Überwachen eines Raumbereichs

Kamerasystem zum Überwachen eines Raumbereichs (12), insbesondere zum Absichern einer in dem Raumbereich angeordneten automatisierten Anlage (14), mit zumindest einer Kameraeinheit (30) mit einem Bildsensor (72) und einer Anzahl von Optikelementen (84), die eine Abbildungsoptik darstellen, mit einem Systemkörper (28), der zumindest eine Aufnahme (56) für die Kameraeinheit (30) aufweist, und mit einem Montageteil (32) zum Ausrichten des Systemkörpers (28) relativ zu dem Raumbereich (12), wobei die Optikelemente (84) in einem Objektivkörper (76) angeordnet sind, der einen Montageflansch (78) aufweist, und wobei der Objektivkörper (76) mit Hilfe des Montageflansches (78) in der Aufnahme (56) befestigt ist.

Vorrichtung zur Lagerung eines optischen Elementes, z.B. einer Linse in einem Objektiv

Eine Vorrichtung zur Lagerung eines optischen Elementes (1), z. B. einer Linse in einem Objektiv, insbesondere in einem Belichtungsobjektiv (2) in der Halbleiter-Lithographie, ist mit folgenden Merkmalen versehen: Das optische Element (1) ist in seinem Randbereich mit Auflagestellen (8, 9, 10) versehen. Den Auflagestellen (8, 9, 10) des optischen Elementes (1) gegenüberliegend sind in einer Außenfassung (3) Gegenlagerstellen (11) angeordnet. Zwischen den Auflagestellen (8, 9, 10) und den Gegenlagerstellen (11) sind Lagerkörper (12) angeordnet. Die Lagerkörper (12) sind mit den zu den Auflagestellen (8, 9, 10) gerichteten kugelförmigen Oberflächen versehen.

Optisches Modul mit federndem Element zwischen Linsenhalter und Schaltungsträger und optisches System

Ein optisches Modul weist einen Linsenhalter (14) auf, in den eine Linsenanordnung aus beispielsweise drei Linsen (16, 18, 20) und einer Blende (21) eingesetzt ist. Vorzugsweise sind die Linsen (16, 18, 20) und die Blende (21) durch ihre geometrische Gestaltung eindeutig ausgerichtet, so dass keine weitere optische Justierung erforderlich ist. DOLLAR A Darüber hinaus erfolgt die Justierung von Schaltungsträger (10) und Linseneinheit (14; 16, 18, 20; 21) erfindungsgemäß über wenigstens ein zwischen Linsenhalter (14) und Schaltungsträger (10) angeordnetes dauerelastisches oder federndes Element (22), welches die Bestückfläche (10a) des Schaltungsträgers (10) vom Linsenhalter (14) weg gegen wenigstens ein Anschlagselement (13; 35) presst, welches formschlüssig zur Linseneinheit (14; 16, 18, 20; 21) in Beziehung steht. DOLLAR A Mit dem erfindungsgemäßen Aufbau eines optischen Moduls bzw. Systems fließt vorteilhaft erstmals die Dickentolerenz des Schaltungsträgers (10) und etwaiger Klebstoffe ...

Optical lens centralising and positioning system

One lens (1.1) is first lined up so its optical axis (4.1) lies parallel to form axis (5.1) of the lens mount (2.1) and joined up with the mount into a fixed assembly (3.1) in this position, using the same procedure for the remaining lenses (1.2, 1.3.......1n) and mounts (2.2, 2.3..........2n), using forming elements to fix each lens pre-assembly to the holders (9). The elements are positioned so their distances from one another and from the respective optical axis (4.1, 4.2 ..........4n) coincide with one another. Using the holders, all optical axes lie flush with one another and the various assemblies are moved axially on their holders until their mutual interval equals the functional interval of the lens system, whereupon the elements are fixed to their holders (9). There are as many holders as forming elements per assembly, say three elements per mount lying in a plane at right angles to the optical axis concerned and also optically symmetric to these axes. The elements take the form ...

Tubus für ein Mikroskop sowie Mikroskop

Die Erfindung betrifft einen Tubus (3) für ein Mikroskop (1), in dem zumindest zwei Strahlengänge vorgesehen sind, wobei in dem Tubus (3) eine Umschalteinrichtung vorgesehen ist, durch die wahlweise ein erstes (5) oder ein zweites Planoptikelement, zur Ausrichtung der Strahlengänge für einen Betrachter, in die Strahlengänge (2) der von einem Objektiv (7) ausgerichteten Strahlengänge (8) einschwenkbar und/oder einschiebbar ist, wobei das zweite Planoptikelement eine Strahlengangvertauschungs- und Bildumkehrfunktion aufweist. Ferner betrifft die Erfindung ein Mikroskop (1) mit einem derartigen Tubus (3).

Abbildungsvorrichtung, Herstellungsverfahren dafür und Haltemechanismus dafür

Die Erfindung betrifft eine Abbildungsvorrichtung (50) mit einer Basis (51), auf der ein Abbildungselement (57) vorgesehen ist, einem zylinderisch geformten Kunststoff-Linsenelement (61), das eine Kollektivlinse (59) im Innern hält, und einem Kunststoff-Rohrelement (53), in dem sich das Linsenelement (61) in der axialen Richtung bewegen kann und das über dem Abbildungselement (57) vorgesehen ist, wobei das Rohrelement (53) und das Linsenelement (61) durch Laserschweißen (65) verbunden sind, sowie ein Herstellungsverfahren dafür und einen für diese Herstellung verwendeten Abbildungsvorrichtungs-Haltemechanismus.

FASSUNG FUER ZENTRIERTE OPTISCHE ELEMENTE

Zusammenklapbare Objektivtonne und Bildaufnahmevorrichtung

Nockenmechanismus für einen Objektivtubus

Nockenmechanismus für einen Objektivtubus (10), mit: einem um eine optische Achse (O) drehbaren ersten Ringelement (12), einem zweiten Ringelement (17), das geradlinig längs der optischen Achse (O) drehfest geführt ist und ein optisches Element hält, mehreren Kurvennuten (C17), die an einem der beiden Ringelemente (12, 17) ausgebildet sind und die gleichen Referenzkurvendiagramme aufweisen, und mehreren Kurveneingriffsgliedern (17c), die an dem anderen der beiden Ringelemente (12, 17) ausgebildet sind und in die ihnen zugeordneten Kurvennuten greifen, wobei die Kurvennuten und die Kurveneingriffsglieder einen einzelnen Nut/Eingriffsglied-Satz mit einer Kurvennut (C17s) und einem zugehörigen Kurveneingriffsglied (17s) und mindestens eine Nut/Eingriffsglied-Gruppe umfassen, die einen vorderen Nut/Eingriffsglied-Satz (C17f1, 17cf1), und einen hinteren Nut/Eingriffsglied-Satz (C17r1, 17cr1) enthält, die in Richtung der optischen Achse versetzt zueinander angeordnet sind, wobei der einzelne ...

Optischer Lesekopf zur Verhinderung der Leistungsbeeinträchtigung eines Klebemittels zur Stützung von Teilen einer Dämpfungsbasis

HALTERUNGSANORDNUNG FUER DIE OBJEKTIVLINSEN EINES FERNROHRES

Optischer Detektor

Ein Linsenelement (1) ist vor einem Zylinder (2) zum Abblocken von Fremdlicht montiert. Ein IC (3) für die Entfernungsmessung ist hinter dem Zylinder (2) montiert. Das Linsenelement (1) weist Linsenabschnitte (1a) und einen Peripherieabschnitt (1b) auf, der die Linsenabschnitte (1a) umgibt. Die Linsenabschnitte und der Peripherieabschnitt sind einstückig aus einem transparenten Kunststoff gegossen. Positionierungsvorsprünge (1c) ragen von der Außenseite des Peripherieabschnitts (1b) des Linsenelements (1) hervor. Ausnehmungsabschnitte (2c), mit welchen die Positionierungsvorsprünge (1c) in Eingriff gelangen können, sind ein einem äußeren Peripherieabsschnitt (2b) des Zylinders (2) an dessen Vorderseite gebildet. Speisereste (1d), die während des Gießens des Linsenelements (1) gebildet wurden, sind an den Positionierungsvorsprüngen (1c) gebildet. Damit deckt der Zylinder (2) einen Bereich des Linsenelements (1) ab, der so groß wie möglich bemessen ist, um Streulicht abzuschirmen, das auf ...

A lens barrel incorporating the rotation transfer mechanism

Improvements in Mounts for Lens-systems.

... 20,708. Zeiss, C., [Firm of]. Sept. 22, 1911, [Convention date]. Lens mounts.-The separate lens-mounts a<1>, a<2>, a3, a<4> of the component lenses of a microscope system have cylindrical surfaces of the same diameter and are placed in a casing b as shown having a flange b<0> at one end and a threaded ring or other means for applying pressure at the other end, the internal surface of the casing b being a cylinder of the diameter corresponding to the greatest diameter of the separate lens-mounts, which may be formed with external surfaces of other forms of surfaces-ofrevolution about the lens axis than cylindrical. Spacing of the lenses may be effected by distance-rings c. Reference has been directed by the Comptroller to Specification 18,121/07.

METHOD AND APPARATUS FOR A CLAMPING RING OR SPLIT COLLAR

... 1388959 Spectacles H GUILLET and R LOUVET 11 Oct 1972 [18 Oct 1971 10 Nov 1971] 46823/72 Heading G2J [Also in Division E2] In an eye-glass or spectacle frame in which each lens 15 is mounted in a rim 11 having a radial slit 13, there are lateral extensions 12 provided with a bore 16 and grooves 17 each lens being clamped in a groove 14 by a screw 22 threaded into a sleeve 13 carried by a bar 20 on which the side-piece 18 is hinged. The screw has a frusto-conical inner face 23a which engages a corresponding face 17a of the grooves 17. In modifications, (a) a washer 25, Fig. 10, through which a screw 27 passes into the sleeve 13 has diametrically opposed wedge-shaped lugs 26 which engage in corresponding notches 24 on either side of the bore 16, or the washer 25, Fig. 11, carries oblique pins 28 which engage in holes 29 on either side of the bore; alternatively, the pins are mounted on the bar 20.

PLASTICS HOUSING FOR AN OPTICAL LENS SYSTEMS INC TYPEWRITERS

... 1413855 Lens mounts ISCO OPTISCHE WERKE GmbH 5 Nov 1973 [10 Nov 1972] 51196/73 Heading G2J A plastics housing for a lens system comprises an outer objective body 1 integral with an inner lens holder 2, longitudinal recesses 3, 4, 5 being formed between the body and holder and at 6 between a focusing grip 14 and the objective lenses 8, 10, 12 fit into deformable flanged seats 7, 9, 11 and are glued or welded. The housing has threads 13 enabling it to be relatively positioned in an optical instrument, e.g. a projector.

Mount shift apparatus for moving a CCTV camera lens perpendicular to the optical axis

A mount shift apparatus 10 for moving a CCTV camera lens perpendicular to the optical axis O has a mount frame 11 with a threaded portion 12 for attachment to a camera body 52 and a lens frame 20 for supporting a lens group 27. The lens frame 20 is supported so that it can be adjusted relative to the mount frame 11 in a direction perpendicular to the optical axis O by means of a mount shift means. The mount shift means may be rotatable shift screws 37 which are screw engaged with a cylindrical portion of a mount set ring of the lens frame 20. There may be four rotatable shift screws 37a-d positioned at 90 degree intervals around the optical axis O. The mount shift means may be a shift ring (90, fig. 6) with sliding grooves 93,94 on its rear and front surfaces 91,92 which engage pins 88,104 on opposed end surfaces 84,101 of the lens frame 100 and mount frame 83.

Mount shift apparatus of lens for cctv camera

Lens barel with radially retractable optical element

A lens barrel includes a radially retractable optical element (13e) constituting a part of a photographing optical system, the radially retractable optical element being movable between a photographing position located on an optical axis of the photographing optical system, and a radially retracted position located at an off optical axis position; a biassing device (39) for biassing the radially retractable optical element toward the photographing position; and a swing member (60) which is rotatable about an axis extending parallel to the optical axis, the swing member pushing the radially retractable optical element against a biassing force of the biassing device to move the radially retractable optical element to the radially retracted position. The swing member (60) may be rotated by gears (61-64).

A supporting structure for supporting a rotatable ring

A lens barrel having linear guide mechanism

A linear guide mechanism for guiding rings supporting components of a lens barrel along an optical axis has an outer ring (12) supporting a first imaging component (LG1). An inner ring (8) is positioned radially inwardly of the outer ring for supporting a second imaging component. A first guide ring (13) is configured to linearly guide the outer ring (12) without rotation. A second guide ring (10) is also configured to linearly guide the inner ring (8) without rotation. A linear guide ring (14) has at least one guide portion (14f and 14g, fig 4) located on an inner peripheral surface of the linear guide ring where at least one guide portion is engageable with the first (13) and second guide rings (10). The outer ring (12) and the inner ring (8) are independently guidable via the respective first (13) and second guide rings (10) and are movable linearly along said optical axis without rotating.

Optical detector with means for blocking extraneous light

An integrated circuit (IC) 3, used for example in range-finding in a camera, is mounted behind a housing 2 which reduces the intrusion of extraneous light onto IC 3. Lens member 1, consisting of a lens portion 1a and a peripheral portion 1b is mounted onto housing 2 using positioning protrusions 1c, which engage with recessed portions 2c on the housing. In order to reduce further the amount of stray or unwanted light admitted to the system compared with the prior art, gate traces 1d, formed during the moulding of the lens member, are located on the positioning protrusions 1c, thus removing the need for a further series of recesses on the housing, each introducing additional stray light.

Mounting system particularly for lenses

A mounting system is described having a frame structure and an elastic structure adapted to mount a suspended object with the elastic structure having a critical configuration point close to which its stiffness in a desired direction approaches zero. The mounting system is particular useful for suspending small objects, such as camera lenses actuated by a piezoelectric actuator.

A cam mechanism of a photographing lens

Retractable lens system and a camera incorporating the retractable lens system

Improvements in or relating to holders for condenser lenses

... 604,133. Condenser lens mounts. KIESCHKE, W. Feb. 5, 1945, No. 2797. [Class 97 (i)] A tubular condenser holder is made in segments, each of which has an internal groove to receive an arc of the edge of the lens, 'secured together by an encircling ring. The segments may be slotted to provide ventilation. As shown the holder 4 comprises segments 5, 6 divided by diametrically opposite axiallydirected slits 7 and groove at 10 to receive a plano-convex condenser lens 3. The slits 7 widen at the grooved end to form ventilation slots 8, and similar slots 8 are formed in the body of each segment. These slots also provide resilient tongues 9 in the segments which allow for lens expansion. Screwed on to the assembled segments to hold them together is a ring 13, an internal flange 14 which rests on the top of the segments. A recess 18 in the holder 4 receives a loose fitting trunnion ring 19 in which are secured diametrically opposite pins 20, passing through horizontal slots 22 in supporting arms ...

MOUNTING APPARATUS OF LENS ACCESSORY

Solar concentrator

A light collector 14 for use in a building-integrated solar concentrator 10 comprises wavguiding components 16 incorporating spaced-apart light collecting elements 18 which collect light from a plurality of lenses 12 and deliver light to solar cells 20 where several lenses 12 are coupled to each solar cell 20. The light collecting elements 18 may comprise shaped ends of bulk waveguides to deliver incident solar radiation A to the solar cells 20. The light collecting elements 18 may also comprise luminescent (92, fig 6) or optically amplifying (105, fig 8) material that converts the incident radiation A to secondary light that is delivered to the solar cells 20. The lenses are pivotably mounted to improve solar tracking by avoiding mechanical clashes between lenses and optimising the amount of incident light harvested. Heavy water filters (210 fig 25) may be positioned in front of the solar cells to absorb long wavelength light.

Interchangeable lens camera

An apparatus for communicating information relating to taking lens comprises a magneto-electric transducer element disposed on a camera body adjacent to a lens mount thereof, and a magnet disposed on the rear end of a lens barrel which receives an interchangeable lens. The magnet produces a magnetic effect upon the transducer element of a magnitude which depends on the value of functional information of each interchangeable lens.

Lens camera device which wirelessly communicates image data to a host device

A lens camera device 722 captures image data through a lens with an image sensor 726 of the lens camera device. A first mount 736 of the lens camera device is operative to attach the lens to the lens camera device; enabling a host device 728 (such as a camera, Smartphone or laptop) to control capturing of image data by the lens camera device. Captured image data is wirelessly communicated to the host device; and the host device displays captured image data or processes the captured image data. Second lens mount 740 may be used to attach the lens camera to the host device. Low or high bandwidth radio may be used respectively for communicating control information or the captured image data.

Low stress mounting configuration for optical component

A system 100 for mounting an optical component 102, such as a fibre optic cable, onto a mounting base 104. The system comprises; A first retention mechanism 106 comprises a layer of adhesive material between the optical component and base mount, which is separated into an upper band 106b and a lower band 106a, by means of a void 112; a second retention mechanism. The second retention mechanism may be a projection in the base 110, and a recess in the optical component 108, which are configured to engage each other as a means of retention. The void may be between 0.25mm and 2mm. The system may have a second gap in the adhesive layer. The optical component may have a substantially circular edge, and may be dome shaped. A heater 114 may be inside, and thermally coupled, to the optical component. The base may be metallic, and the optical component may be sapphire.

Mixed-media telecommunication call set-up

Retractable lens barrel

Lens module with barrel and pillars fixed to a substrate by UV glue

A lens module which can be fixed to a substrate by ultra-violet (UV) glue includes a lens barrel 21 and a lens holder 22 integratedly formed at a bottom of the lens barrel. Optical lens (23, figures 3-4) is held in the lens barrel and can focus light on image detector (3, figure 4). The lens holder defines a containing cavity (221, figures 3-4) communicating with the receiving groove and forming inner walls 222 surrounding the containing cavity. The lens holder has outer pillars or legs 223 spaced from each other. The UV glue (4, figure 4) is distributed to a bottom of each outer pillar so that ultraviolet light can pass through the intervals between the outer pillars to adequately irradiate and solidify the UV glues and to fix the lens module 100 to the substrate (1, figure 4).

IR filter flange

A miniature camera assembly includes an IR filter flange 9 which supports an infra-red filter 2. The flange is located onto a bracket 3 which also supports optical sensor and an associated PCB, Fig 1 , 4 and 6. In a further embodiment the flange may be enlarged to cover assembly holes in the bracket 3, Fig 4, 91, 12. A screening can 1 may be provided to act as an electromagnetic shield. The miniature camera may be fitted with a shape memory actuator having a plurality of wires. The objective is to allow the IR filter 2 to be assembled into a camera from underneath, facilitating easy manufacture and saving space while allowing accurate control of the IR filter position. The flange may also provide electromagnetic shielding.

Shape memory alloy actuation apparatus

A shape memory alloy actuation apparatus has a support structure 2 and a movable element such as lens element 20 supported on the support structure by a suspension system 30 comprising a bearing arrangement arranged to guide movement of the movable element along a movement direction with respect to the support structure. The movable element has a protrusion 22 protruding from the movable element laterally of the movement direction. Two lengths of shape memory alloy actuator wire (40, figure 1) are connected between the protrusion and the support structure for driving movement of the movable element relative to the support structure. The bearing surfaces of one of the bearings 31a comprise grooves 33, 32 on each of the support structure and the movable element, and the bearing surfaces of the other bearing 31b comprise a groove 33 on one of the support structure and the movable element and a planar surface 32 on the other of the support structure and the movable element.

Edge device

A lens 20 comprises; a lens portion 28 of a first material for focussing and or guiding radiation incident on the lens, an interface portion 30 of a second material for interfacing with a surface of a channel of the housing 12 to secure the lens in position when the edge device is assembled, the second material being softer than the first material. Preferable, the lens is elongated in a direction perpendicular to the optical axis of the lens Y and has a length of approximately 1.5-2.5m and is made from a plastics material such as Polyvinyl Chloride or PVC formed by a method of co-extruding the first and second materials. The lens when assembled into the housing of the edge detector forms a sealing fit to seal the housing from environmental conditions including dust and/or water to provide an Ingress protection rating in excess of IP54 or IP65. The lens maybe retained within the housing by means of a clamp portion 52 having a gasket to maintain the seal with the lens as the lens expands ...

LIGHT INTERCEPTING FRAME OF LENS

MOUNTING OPTICAL COMPONENTS

Lens Positioning Unit Of Optical System

According to example embodiments, a lens positioning unit includes a fixed structure, a monolithic flexure hinge structure, any one of upper and lower portions of which is provided with a lens mount on which a lens is mounted and the other portion of which is secured to the fixed structure, and an input unit rotatably coupled to the fixed structure, the input unit serving to convert rotational motion into vertical translational motion so as to transmit the vertical translational motion to the upper or lower portion of the monolithic flexure hinge structure provided with the lens mount.

Lens

The invention relates to a lens comprising two or more seating surfaces and an optical axis offset from the centre of the lens such that the optical axis is spaced by a first distance from a first seating surface and by a second distance from a second seating surface. The first and second distances are different so that the lens can be orientated to provide at least two different optical axis heights depending upon which seating surface is chosen to seat the lens.

Lens support frame

A lens support frame includes an annular body portion; a large diameter lens holding groove on an inner peripheral surface of the body portion which is open on one side; a small diameter lens holding groove formed on an inner peripheral surface of the body portion and is open on the one side; and large-diameter-groove and small-diameter-groove lens-bonding depressions formed on inner peripheral surfaces of a large diameter lens holding groove and the small diameter lens holding groove, respectively, and allow an adhesive to be injected into the large-diameter-groove and small-diameter-groove lens-bonding depressions through end openings thereof on the one side, the end opening of the small-diameter-groove lens-bonding depression being communicatively connected with the large-diameter-groove lens-bonding depression. Circumferential positions of the large-diameter-groove and small-diameter-groove lens-bonding depressions are mutually different.

Lens unit

A lens unit according to the present invention includes: a first lens group and a second lens group being disposed in series on the same optical axis to have a light-converging function, the first lens group and the second lens group each including at least one lens; a first lens barrel 1 retaining the first lens group; a second lens barrel 2 retaining the second lens group and encasing at least a portion of the first lens barrel; and an adjustment mechanism for adjusting relative positioning along an optical axis direction, tilt between respective optical axes, and mutual radial deviation, of the first lens barrel and the second lens barrel.

IMAGING DEVICE

A digital camera comprising a lens barrel linking plate, a frame unit, and first and second lens barrels. The frame unit has first to third bosses that are linked to the lens barrel linking plate. The first and second lens barrels are disposed between the lens barrel linking plate and the frame unit. The first to third bosses are each disposed around the outer periphery of the first lens barrel. 1. An imaging device , comprising:a frame unit;a linking frame having a first linking component, a second linking component, and a third linking compenent, the first, second, and third linking components being linked to the frame unit; anda first lens barrel and a second lens barrel, the first and second lens barrels disposed between the frame unit and the linking frame; whereinthe first, second, and third linking components are disposed around an outer periphery of the first lens barrel.2. The imaging device according to claim 1 , whereinthe linking frame extends in a specific direction, andthe first lens barrel is closer to a center of the linking frame than the second lens barrel.3. The imaging device according to claim 1 , whereinthe first and second linking components are disposed between the first and second lens barrels, andthe third linking component is disposed on the opposite side of the first lens barrel from the first and second linking components.4. The imaging device according to claim 3 , whereinthe frame unit has a latching component that protrudes outward from an edge of the frame unit nearest to the second lens barrel, andthe latching component is latched to the linking frame.5. The imaging device according to claims 1 , wherein an insertion hole into which a screw is inserted, and', 'two convex components that protrude toward the first lens barrel;, 'the frame unit includesthe first lens barrel is configured to hit the two convex components; andthe frame unit is linked to the panel member by the screw. This application claims priority under 35 U.S.C. §119 ...

RETRACTABLE LENS BARREL AND IMAGING APPARATUS

In an imaging apparatus, during an utilization state, optical elements and an image sensor are arranged on the same optical axis. During a retracted state, the optical elements in include at least one optical element that is moved from an optical axis position on the optical axis to a first retraction position that differs from the optical axis position; the image sensor is moved from the optical axis position to a second retraction position that differs from the first retraction position; and the moved optical element and the image sensor are arranged such that at least one portion of the move optical element and of the image sensor overlap in a plane substantially orthogonal to the optical axis. 1. A retractable lens barrel that comprises a plurality of optical elements , is extended in a utilization state , and retracted along a direction parallel to an optical axis in a retracted state , whereinthe optical elements, in the utilization state, are arranged adjacently on the same optical axis and include a first optical element and a second optical element that can be moved relative to one another along a direction parallel to the optical axis,the first optical element in the retracted state, is moved from an optical axis position on the optical axis to a first retraction position that differs from the optical axis position,the second optical element in the retracted state, is moved from the optical axis position to a second retraction position that differs from the first retraction position,the first optical element and the second optical element in the retracted state are arranged such that an outer portion of the first optical element and of the second optical element are adjacent in a plane substantially orthogonal to the optical axis.2. The retractable lens barrel according to claim 1 , wherein in a cross-section of the retractable lens barrel claim 1 , taken along a plane parallel to the optical axis in the utilization state claim 1 ,I is an inner diameter of ...

RETRACTABLE LENS BARREL

In a retractable lens barrel, during imaging, when a drive unit is driven accompanying the extension of the retractable lens barrel, a first lens and a second lens are moved along the optical axis to maintain a given interval between the first lens and the second lens, a rotating member rotates in a given direction and rotates centered about a line parallel to the optical axis, whereby a first optical element is inserted onto the optical axis. The second lens is moved such that a second optical element remains positioned on the optical axis. In this state, the entrance of outside light, which can cause image formation to be negatively affected, is prevented by the rotating member and a base member. Thus, light entering the inside of the retractable lens barrel is limited to the light transmitted by the first optical element and necessary for image formation. 1. A retractable lens barrel comprising: a first optical element,', 'a rotating member that is a substantially circular plate, rotates about, as a center, a line parallel to an optical axis, and holds the first optical element at a position distal to the center of rotation,', 'a base member that has a ring-shape and is embedded in the rotating member, and', 'a drive unit that has a ring-shape and supplies a rotational force to the rotating member; and, 'a first lens having'} a second optical element that is disposed on the optical axis, and', 'an optical element frame that holds the second optical element, wherein, 'a second lens having'}the first lens and the second lens are disposed adjacently, enabling an interval along a direction of each other's optical axis to be changed,the first optical element and the base member are disposed such that at least a portion of the first optical element and a portion of the base member overlap in a plane that is substantially orthogonal to the optical axis,during imaging and accompanying extension, the rotating member rotates consequent to driving of the drive unit, the ...

MOTOR CONTROL DEVICE AND IMAGING APPARATUS

A motor control device includes a counter that counts pulses output from a one-phase encoder according to rotation of a DC motor, and a controller that recognizes rotation number of the DC motor based on the number of pulses counted by the counter. After the DC motor is braked, the controller starts applying a predetermined voltage to the DC motor at first timing before the DC motor stops, and stops applying the predetermined voltage at second timing after the DC motor stops. The controller subtracts the number of pulses generated after the second timing from a value counted by the counter. The predetermined voltage is lower than a lowest voltage necessary for driving a driven object, and is higher than a lowest voltage necessary for rotating the DC motor against an attracting force between a magnet and a coil in the DC motor. 1. A motor control device for controlling rotation of a DC motor for driving an object , comprising:a counter configured to count a pulse output from a one-phase encoder according to rotation of the DC motor; anda controller configured to recognize a rotation number of the DC motor based on the number of pulses counted by the counter, whereinafter the DC motor which is being driven is braked, the controller starts applying a predetermined voltage to the DC motor at a first timing which is a timing before the DC motor stops, and stops the applying of the predetermined voltage at a second timing which is a timing after the DC motor stops,the controller subtracts the number of pulses generated after the second timing from a value counted by the counter, andthe predetermined voltage is lower than a lowest voltage necessary for driving the object to be driven and higher than a lowest voltage necessary for rotating the DC motor against an attracting force between a magnet and a coil in the DC motor.2. The motor control device according to claim 1 , wherein the controller starts the applying of the predetermined voltage to the DC motor claim 1 , when ...

LENS SHIFT MECHANISM AND PROJECTION IMAGE DISPLAY DEVICE

A central position detection section has a detection width in which the central position has a median value along one axial direction. When the direction from a position, which is located at the time at which returning is started toward the central position is defined as a go direction, the control section commands that a drive mechanism should sequentially perform following operations: a first operation of driving a the projection lens assembly in the go direction; a second operation of allowing the projection lens assembly to travel in a return direction at least by the detection width; and a third operation of allowing the projection lens assembly to travel in the detection width in the go direction by ½ of the detection width traveled in the go direction. 1. A lens shift mechanism for allowing a projection lens assembly to travel in a go and return direction in a certain range in at least one axial direction among axes perpendicular to an optical axis of the projection lens assembly , the lens shift mechanism comprising:a drive mechanism for driving the projection lens assembly in at least the one axial direction;a control section for controlling the drive mechanism such that the projection lens assembly is returned to a central position in the certain range; anda central position detection section for detecting that the projection lens assembly reaches the central position,wherein the central position detection section has a detection width in which the central position has a median value along the one axial direction,when a direction from a position, which is located at a time point at which returning is started, toward the central position, is defined as a go direction, the control section commands that the driving mechanism should perform following operations:a first operation of allowing the projection lens assembly to travel in the go direction and to pass one end of the detection width and to travel at least the detection width;after the first operation, ...

LENS DRIVING APPARATUS

Disclosed is a lens driving apparatus. The lens driving apparatus includes a base, a yoke coupled to the base, having an upper surface formed with a hole, a closed side surface, and an opened bottom surface, a bobbin movably installed in an inner portion of the yoke, a lens module coupled to the bobbin to go in and out the hole according to movement of the bobbin, a magnet fixed to an inner portion of the yoke, a coil fixed to an outer portion of the bobbin while facing the magnets, and springs coupled to the bobbin to provide restoration force to the bobbin. 1. A lens driving apparatus comprising:a base;a yoke coupled to the base;a bobbin movably disposed in an inner portion of the yoke;magnets disposed in the yoke;a coil fixed to an outer portion of the bobbin while facing the magnets; andsprings coupled to the bobbin to provide restoration force to the bobbin,wherein the springs comprise an upper spring coupled to an upper portion of the bobbin and a lower spring coupled to a lower portion of the bobbin, andwherein each of the magnets includes a lower surface, an upper surface, and side surface,wherein the side surfaces include an inner side surface faced with the coil, and three outer side surfaces faced with the yoke.2. The lens driving apparatus as claimed in claim 1 , wherein the inner side surface has a planar shape claim 1 , and wherein the three outer side surfaces are planar.3. The lens driving apparatus as claimed in claim 1 , wherein the three outer side surfaces includes a first outer side surface claim 1 , a second outer side surface claim 1 , and a third outer side surface between the first outer side surface and the second outer side surface.4. The lens driving apparatus as claimed in claim 3 , wherein the first outer side surface and the second outer side surface are faced with the two side surfaces of the four side surfaces and the third outer side surface is faced with one of the four corners.5. The lens driving apparatus as claimed in claim 3 , ...

Zoom Lens Unit and Imaging Apparatus Incorporating the Same

A zoom lens unit includes a zoom lens L operable to move a plurality of lens groups in an optical axis direction upon zooming from a wide-angle end to a telephoto end, a first lens group frame for supporting the first lens group Gpositioned on the most object side of the zoom lens L, and a drive operable to move the first lens group frame in a direction vertical to the optical axis. 1. A zoom lens unit , comprising:a zoom lens including a plurality of lens groups operable to move in an optical axis direction upon zooming from a wide angle end to a telephoto end,a first lens group frame for supporting a first lens group positioned on the most object side of said zoom lens, anda drive operable to move said first lens group frame in a vertical direction to said optical axis.4. The zoom lens unit according to claim 1 , wherein claim 1 , given that a position of the first lens group in an initial state before movement is a first position claim 1 , and a position of the first lens group in a decentered state after movement claim 1 , where the first lens group is away from said initial state by a given distance in a direction vertical to said optical axis claim 1 , is a second position claim 1 , said first lens group frame moves to a third position symmetric with respect to the second position with said optical axis as center.5. An imaging apparatus claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the zoom lens unit according to ,'}an imaging device that is located on an image side of said zoom lens unit and includes an imaging plane for receiving an image formed through said zoom lens unit, andan imaging apparatus body including said imaging device disposed inside. This application claims benefit of Japanese Application No. 2012-056676 filed in Japan on Mar. 14, 2012, the contents of which are incorporated by this reference.The present invention relates generally to a zoom lens unit, and more particularly to a zoom lens unit capable of 3D imaging ...

LENS UNIT AND IMAGING APPARATUS

According to an illustrative embodiment, a lens unit is provided. The lens unit includes at least one lens having an engagement portion in a flange portion of the lens, the engagement portion having a width perpendicular or substantially perpendicular to the optical axis of the lens, and the width of the engagement portion decreasing as the engagement portion is traversed in a direction parallel or substantially parallel to the optical axis of the lens. 1. A lens unit comprising at least one lens having an engagement portion in a flange portion of the lens , the engagement portion having a width perpendicular or substantially perpendicular to the optical axis of the lens , and the width of the engagement portion decreasing as the engagement portion is traversed in a direction parallel or substantially parallel to the optical axis of the lens.2. The lens unit according to claim 1 , wherein the engagement portion is a projection.3. The lens unit according to claim 1 , wherein the engagement portion is a recess.4. The lens unit according to claim 1 , wherein the engagement portion has an annular cross-section in a plane that is perpendicular or substantially perpendicular to the optical axis of the lens.5. The lens unit according to claim 1 , wherein the engagement portion has a trapezoidal cross-section in a plane that is parallel or substantially parallel to the optical axis of the lens.6. The lens unit according to claim 1 , wherein the engagement portion has a triangular cross-section in a plane that is parallel or substantially parallel to the optical axis of the lens.7. The lens unit according to claim 1 , wherein the engagement portion has a U-shaped cross-section in a plane that is parallel or substantially parallel to the optical axis of the lens.8. The lens unit according to claim 1 , wherein the engagement portion has a free-form cross-section in a plane that is parallel or substantially parallel to the optical axis of the lens.9. The lens unit according to ...

ADAPTER CORRECTING FOR GLASS THICKNESS AND FIELD LENS

The adapter correcting for glass thickness includes an adapter main body, a plane parallel plate, and a retainer. The adapter main body includes an attacher/detacher capable of attaching and detaching with respect to an adapter connecter on the lens barrel; a tubular accommodator extending from the attacher/detacher toward the objective along an optical axis of the field lens; and a tongue provided on the attacher/detacher side of the accommodator. The plane parallel plate includes two mutually parallel flat surfaces and is inserted into the accommodator such that the two flat surfaces are orthogonal to the optical axis of the field lens. The retainer is attached to an end of the accommodator closest to the objective and holds the plane parallel plate between the retainer and the tongue. The accommodator is formed to have a tubular length sufficient to insert at least two plane parallel plates. 1. An adapter correcting for glass thickness attachably and detachably provided to a field lens comprising a lens barrel having a tubular shape and a plurality of lenses accommodated within the lens barrel , the field lens using the plurality of lenses to correct aberrations due to a glass plate having a predetermined thickness being interposed between the lens barrel and an objective , the adapter correcting for glass thickness comprising: an attacher/detacher capable of attaching and detaching with respect to an end of the lens barrel closest to the objective;', 'an accommodator having a tubular shape extending from the attacher/detacher toward the objective and axially centered on an optical axis of the field lens; and', 'a tongue provided on the objective side of the accommodator and projecting inward from an inner circumferential surface of the accommodator tube;, 'an adapter main body comprisinga translucent plane parallel plate having two mutually-parallel flat surfaces, the plane parallel plate positioned within the accommodator such that the two flat surfaces are ...

SYSTEM AND METHOD TO DEPLOY ACTIVE DAMPENING FOR LENS RINGING AND VIBRATION

Described herein are methods, apparatus, and computer readable medium to autofocus a lens of an imaging device. Parameters are received indicating a lens position. Lens actuator characteristics are determined. Lens damping parameters may be determined based, at least in part, on the input parameters and the lens actuator characteristics. In some aspects, lens damping parameters include a lens movement step size and a time delay between each step. In some aspects, the lens damping parameters include damping parameters for a plurality of regions of lens movement. Lens movement parameters are determined based, at least in part, on the input parameters and the lens damping parameters. The lens is then autofocused by moving it according to the lens movement parameters. 1. A method of auto-focusing a lens , comprising:determining a current lens position;determining a target lens position;determining a direction of lens movement based on at least the current lens position and the target lens position;determining a magnitude of lens movement based on at least the current lens position and the target lens position;determining lens movement damping parameters based on at least the direction and magnitude of lens movement;determining lens movement parameters based on at least the lens movement damping parameters; andmoving the lens based on the lens movement parameters to autofocus the lens.2. The method of claim 1 , further comprising:determining one or more lens movement regions based on at least the current lens position and the target lens position; anddetermining the lens movement damping parameters based on the one or more lens movement regions.3. The method of claim 2 , further comprising:determining a distance of lens movement within a lens movement region; anddetermining lens movement damping parameters corresponding to the lens movement region based on the distance of lens movement within the region.4. The method of claim 1 , wherein the damping parameters comprise a ...

ADJUSTABLE LENS MOUNT FOR A STRIP LENS

A lens mount for a strip lens is provided, in which the strip lens can be deformed substantially perpendicular to its optical axis, in order to linearize the imaging of a beam scanning over the strip lens. The lens mount includes a slotted distance strip, a support strip and a base plate. The support strip is rigidly connected to the strip lens via the distance strip that has only a very low bending stiffness and can be deformed relative to the base plate by means of adjusting screws, whereby the strip lens can be deformed. By inserting a distance strip, the installation space that is required for the lens mount is essentially moved away from the optical axis in order to provide, for example, installation space for adjacent optical or mechanical components. 1. An adjustable lens mount for a strip lens , the mount comprising:a support strip, which, via one of its longitudinal sides, is connected to an optically non-active longitudinal side of a strip lens to be mounted; anda mounting plate, which, with ends thereof, is arranged at a fixed adjustment spacing from the ends of the support strip and affixed to the support strip by locking screws, the mounting plate, between the ends, is connected to the support strip by first set screws acting as tension screws and second set screws acting as pressure screws, which are arranged alternately in a row, such that the support strip and the strip lens are adapted to be deformable over a length thereof in an action direction of the first and second set screws and substantially perpendicular to an optical axis,wherein the strip lens and the support strip are interconnected indirectly via a spacer strip,wherein one longitudinal side of the spacer strip is cohesively connected to the longitudinal side of the strip lens,wherein an opposite longitudinal side of the spacer strip is fixedly connected to the longitudinal side of the support strip, andwherein the spacer strip has a plurality of slits that are open to the opposite ...

Passively Aligned Imaging Optics And Method Of Manufacturing The Same

An infrared imaging system is formed by passively aligning two or more lens wafers including a plurality of lenses. The lens wafers may be pre-fabricated lens wafers in which the plurality of lenses are aligned utilizing an alignment jig having a plurality of conduits for distributing bonding material. Alternatively, the lens wafers may be formed of a base material molded around the plurality of optical lenses. The lens wafers may have a variety of alignment features, alignment inserts and/or alignment elements. 1. A lens wafer for use in a passively aligned optical imaging system , the lens wafer including:a plurality of lens elements including alignment features such that the lenses are alignable on a mold;a base portion made from base material molded around the plurality of lenses.2. The lens wafer of claim 1 , wherein a portion of the plurality of lens elements are alignment inserts such that the lens wafer is able to passively align with a second lens wafer.3. The lens wafer of claim 1 , the base portion having a plurality of tabs located on the periphery thereof claim 1 , the each of the tabs including an alignment feature and/or alignment insert.4. The lens wafer of claim 2 , wherein the alignment inserts comprise three alignment inserts each substantially oriented at a respective vertex of an equilateral triangle within the lens wafer.5. The lens wafer of claim 2 , wherein the alignment inserts include alignment features that passively align with a complimentary alignment feature of an alignment insert located on a second lens wafer.6. The lens wafer of claim 2 , wherein the alignment inserts include alignment features that interact with an intermediate alignment element to passively align with an additional alignment insert of a second lens wafer.7. The lens wafer of claim 1 , the base portion including a plurality of first alignment features for passively aligning a second lens wafer having a plurality of second alignment features.8. The lens wafer of ...

LENS DRIVING APPARATUS

Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position. 1. A lens driving apparatus comprising:a base;a yoke disposed on the base;a bobbin coupled with a lens;a coil disposed around the bobbin; anda plurality of magnets disposed around the coil;wherein the plurality of magnets include four magnets spaced apart from each other,wherein each of the plurality of magnets includes an inner side surface facing the coil and an outer side surface not facing the coil, andwherein the outer side surface includes three flat planes.2. The lens driving apparatus according to claim 1 , wherein the outer side surface is disposed between the yoke and the coil in a horizontal direction.3. The lens driving apparatus according to claim 1 , wherein the coil includes first regions facing the plurality of magnets and second regions not facing the plurality of magnets claim 1 , andwherein the first regions and the second regions are alternately disposed.4. The lens driving apparatus according to claim 1 , further comprising at least one spring supporting the bobbin.5. The lens driving apparatus according to claim 1 , wherein side surfaces of the coil facing the plurality of magnets are curved.6. The lens driving apparatus according to claim 1 , wherein ...

MOTOR FOR DRIVING LENSES

Disclosed is a motor for driving lenses. The motor includes a case, a yoke fixed in the case, a magnet fixed in the yoke, a carrier equipped with lenses and installed in the magnet such that the carrier moves up and down within the magnet, a coil coupled with the carrier, a spring unit including first and second springs having arc shapes and being separated from each other while forming a ring shape as a whole, a spacer supporting an outer peripheral surface of the spring unit, and a terminal provided on the spacer, in which one side of the terminal protrudes downward by passing through a bottom of the case to make connection with the spring unit and a main PCB of a product. 1. A motor for driving lenses , the motor comprising:a case, wherein the case includes a base and a cover disposed on the base;a yoke disposed on the case;a magnet disposed on the yoke;a carrier equipped with lenses on the case;a coil disposed on the carrier;an upper spring unit supporting the carrier;a lower spring unit including first and second springs separated from each other, wherein the coil is connected to the lower spring unit; anda terminal provided on the case and including first and second connection pins protruding downwards from a bottom of the case, wherein the first connection pin is electrically connected to the first spring and the second connection pin is electrically connected to the second spring.2. The motor according to claim 1 , wherein the first and second connection pins are integrally formed with the case.3. The motor according to claim 1 , wherein the first and second connection pins are separated from the first and second springs claim 1 , respectively.4. The motor according to claim 1 , wherein the first and second connection pins are inserted into a hole formed on the base.5. The motor according to claim 1 , wherein the first and second connection pins are supported by the base.6. The motor according to claim 1 , wherein each of the first and second springs ...

LENS DRIVING MOTOR AND ELASTIC MEMBER OF THE SAME

Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together with the first spring on one side of a carrier to support the carrier. A first lead line of a coil and a first external power source are connected to the first spring, and a second lead line of the coil and a second external power source are connected to the second spring to supply power to the coil. Since the carrier can be assembled to other part after a (+) lead line and a (−) lead line of the coil are connected to the first and second springs, respectively, using solder, a process is simple and convenient. 1. A lens driving motor comprising:a base;a carrier provided to be movable vertically on the base;a coil coupled to the carrier;a magnet disposed at a position facing the coil;a first elastic member including a first end portion, the first end portion coupled to a first portion of the carrier to provide elastic force to the carrier; anda second elastic member coupled to a second portion of the carrier to provide elastic force to the carrier,wherein the second elastic member comprises a first spring and a second spring,wherein the first spring includes a first outer portion and a first inner portion spaced apart from the first outer portion, and a first part of the first outer portion is connected to a first part of the first inner portion,wherein the second spring includes a second outer portion and a second inner portion spaced apart from the second outer portion, and a first part of the second outer portion is connected to a first part of the second inner portion,wherein the first spring is electrically separated from the second spring,wherein the first inner portion and the second inner portion are coupled to the carrier, andwherein the first end portion of the first elastic member, the first ...

IMAGING MECHANISM, ENDOSCOPE, AND METHOD OF MANUFACTURING IMAGING MECHANISM

An imaging mechanism includes: an imaging device; a light receiving section that is provided on one surface of the imaging device; a cover member that covers the one surface of the imaging device and the light receiving section; and a lens unit that has a plurality of lenses including a plano-convex lens having a flat portion and a lens barrel, and that is optically coupled to the light receiving section, the lens barrel fixing the plurality of lenses, wherein the plano-convex lens having the flat portion is provided at a closest position to the imaging device in the plurality of lenses such that the flat portion faces the imaging device, and the flat portion protrudes from an end of the lens barrel toward the imaging device and is fixed to the cover member. 1. An imaging mechanism comprising:an imaging device;a light receiving section that is provided on one surface of the imaging device;a cover member that covers the one surface of the imaging device and the light receiving section; anda lens unit that has a plurality of lenses including a plano-convex lens having a flat portion and a lens barrel, and that is optically coupled to the light receiving section, the lens barrel fixing the plurality of lenses, whereinthe plano-convex lens having the flat portion is provided at a closest position to the imaging device in the plurality of lenses such that the flat portion faces the imaging device, andthe flat portion protrudes from an end of the lens barrel toward the imaging device and is fixed to the cover member.2. The imaging mechanism according to claim 1 , further comprising:an adhesive that is provided between the plano-convex lens and the cover member and fixes the plano-convex lens to the cover member.3. The imaging mechanism according to claim 2 ,wherein the adhesive is a light curing adhesive.4. The imaging mechanism according to claim 1 , further comprising:a light shielding material that covers a side surface of a portion of the plano-convex lens and an ...

LENS BARREL AND IMAGE PICKUP APPARATUS

A lens barrel includes: a lens holding frame holding a lens; a mounting member to which the lens holding frame is mounted; an inclination regulating member regulating a position of the lens holding frame with respect to the mounting member, thereby regulating inclination of the lens holding frame with respect to an optical axis; and an eccentricity regulating member regulating the position of the lens holding frame with respect to said mounting member, thereby regulating eccentricity of the lens holding frame with respect to the optical axis, in which the eccentricity regulating member is supported by said inclination regulating member. 1. A lens barrel , comprising:a lens holding frame holding a lens;a mounting member to which said lens holding frame is mounted;an inclination regulating member regulating a position of said lens holding frame with respect to said mounting member, thereby regulating inclination of said lens holding frame with respect to an optical axis; andan eccentricity regulating member regulating the position of said lens holding frame with respect to said mounting member, thereby regulating eccentricity of said lens holding frame with respect to said optical axis,wherein said eccentricity regulating member is supported by said inclination regulating member.2. The lens barrel according to claim 1 ,wherein said inclination regulating member is rotatably supported by said mounting member with an axis extending in a radiation direction perpendicular to the optical axis as a fulcrum, andsaid eccentricity regulating member is rotatably supported by said inclination regulating member with the axis extending in the radiation direction perpendicular to the optical axis as the fulcrum.3. The lens barrel according to claim 2 ,wherein said inclination regulating member comes in contact with said lens holding frame in the optical axis direction, andinclination of said lens holding frame with respect to said mounting member is changed by rotation of said ...

DISPLACEMENT MECHANISM, LENS MODULE USING THE SAME AND DEVICE USING THE SAME

A displacement mechanism, a lens module using the same and a device using the same are provided. The displacement mechanism of lens module comprises a base, a first element and a second element. The first element is disposed on the base, wherein the first element is immovably disposed relative to the base along a first direction and movably disposed relative to the base the base along a second direction. The second element is disposed on he base, wherein the second element is movably disposed relative to the first element along the first direction and movably disposed relative to the base along the first direction and the second direction. 1. A displacement mechanism of a lens module , the displacement mechanism comprising:a base;a first element disposed on the base, and the first element is immovable along a first direction and movable along a second direction relative to the base; anda second element disposed on the base, and the second element is movable along the first direction relative to the first element and movable along the first direction and the second direction relative to the base.2. The displacement mechanism according to claim 1 , wherein the base has a first groove and a portion claim 1 , the second element has a hole claim 1 , and the first element makes a relatively movement between the base and the second element by the first groove claim 1 , the portion and the hole.3. The displacement mechanism according to claim 2 , wherein the first element comprises a first rod and a second rod claim 2 , the first rod is movably penetrated into the hole of the second element and the first groove of the base claim 2 , and the second rod is movably disposed on the portion along the second direction.4. The displacement mechanism according to claim 3 , wherein the first rod and the second rod are integrated into one piece claim 3 , or the first rod is fixedly connected to the second rod by a connection block.5. The displacement mechanism according to claim 3 , ...

Projection device and lens module

A projection device includes a main body, a light source, a light valve, and a lens module. The light source produces an illumination beam. The light valve converts the illumination beam into an image beam. The lens module disposed at the main body includes a lens barrel and a lens. The lens barrel has an inner wall, a containing space and a riveting portion. The inner wall surrounds the containing space. The riveting portion is located in the containing space. There is a gap between the riveting portion and the inner wall. The lens disposed in the containing space has a light emitting surface and a side surface. The side surface leans against the riveting portion. An end of the riveting portion extends to the light emitting surface to limit the lens in the containing space The image beam passes through the lens to form a projection beam.

LENS MODULE AND METHOD FOR MANUFACTURING THEREOF

A lens module capable of preventing a deterioration of optical properties and a method for manufacturing thereof are provided. Optical axes of lens portions of superimposed lens arrays are aligned. Substrate portions of the other lens arrays of the superimposed lens arrays except the lowermost lens array are cut by a first cutting portion. Subsequently, thermosetting resins are supplied from a gap between cut surfaces of the cut substrate portion so as to fill a gap between the substrate portions of the superimposed lens arrays with the thermosetting resins and to cause the thermosetting resins to integrally cover the cut surfaces of the substrate portion and a surface of the substrate portion of the uppermost lens array. Thereafter, the thermosetting resins are cured, and an individual lens module is separated by cutting the substrate portion of the lowermost lens array using a second cutting portion. 1. A method for manufacturing a lens module in which a plurality of lenses are held in a state where an optical axis of each lens is aligned , comprising:superimposing a plurality of lens arrays, each of which has the plurality of lens portions and a substrate portion integrally connecting the plurality of lens portions, on each other at predetermined intervals, and aligning optical axes of the lens portions of the superimposed lens arrays;cutting the substrate portions of the other lens arrays of the plurality of superimposed lens arrays except the lowermost lens array in a superimposing direction by a first cutting portion;supplying thermosetting resins from a gap between cut surfaces of the cut substrate portion so as to fill a gap between the substrate portions of the superimposed lens arrays with the thermosetting resins and to cause the thermosetting resins to integrally cover the cut surfaces of the substrate portion and a surface of the substrate portion of the uppermost lens array in the superimposing direction of the plurality of superimposed lens arrays; ...

LENS DRIVE DEVICE AND IMAGING DEVICE

The present invention provides a lens drive device including a base, a lens frame holding a lens and provided to be movable with respect to the base in an optical axis direction of the lens, a light bending portion for bending incident light on the lens, a driving unit for moving the lens frame, and a position detection unit for detecting a position of the lens frame. The position detection unit includes a reflection portion provided to one of the base and the lens frame and including a reflection surface inclined with respect to the optical axis of the lens, and a photoreflector provided to the other of the base and the lens frame and including a light projecting portion applying light to the reflection surface and a light receiving portion receiving light reflected on the reflection surface. 19-. (canceled)10. A lens drive device comprising:a base;a lens frame holding a lens and provided to be movable with respect to the base in an optical axis direction of the lens;a light bending portion provided outside the base for bending incident light on the lens;driving unit configured to move the lens frame, andposition detection unit configured to detect a position of the lens frame, wherein a reflection portion provided to one of the base and the lens frame and including a reflection surface inclined with respect to the optical axis of the lens, and', 'a photoreflector provided to the other of the base and the lens frame and including a light projecting portion applying light to the reflection surface and a light receiving portion receiving light reflected on the reflection surface., 'the position detection unit includes'}11. The lens drive device according to claim 10 , whereinthe reflection surface of the reflection portion and a light projecting/receiving surface of the photoreflector face each other.12. The lens drive device according to claim 10 , whereinthe reflection portion is provided to the lens frame,the driving unit includes a magnet provided to the base and ...

ADJUSTING DEVICE FOR AN OPTICAL SYSTEM

An adjusting device for an optical system has a first slider for a first optical element, which is arranged displaceably along an axial direction, a second slider for a second optical element, which is arranged displaceably along the axial direction, a control cam contour fixed in relation to the axial direction, a coupler between the first slider, the second slider and the cam contour, and a force element to exert force between the first slider and the second slider, so that the coupler is in contact with the first slider at a first point, is in contact with the second slider at a second point and is in contact with the control cam contour at a third point, the coupler including a first lever arm formed between the first and third points, and the coupler including a second lever arm formed between the second and third points. 1. An adjusting device for an optical system , the adjusting device comprising:a first slider for a first optical element and said first slider being arranged so as to be displaceable along an axial direction;a second slider for a second optical element and said second slider being arranged so as to be displaceable along said axial direction;a control element defining a control cam contour and being fixedly mounted relative to said axial direction;a coupler configured as a single part and being arranged between said first slider, said second slider and said control cam contour;a force element applying a force between said first and said second sliders so as to cause said coupler to be in contact with said first slider at a first point and with said second slider at a second point and with said control cam contour at a third point;said coupler including a first lever arm formed between said first point and said third point and a second lever arm formed between said second point and said third point; and,said device being so configured that, with a movement of said coupler, at least one of said first and second lever arms is changeable with ...

OPTICAL ELEMENT UNIT

An optical element unit is provided comprising an optical element group for projecting light along an optical axis of the optical element group and a housing having an inner housing part partly defining a first space and a light passageway between the inner housing part and a second space. The inner housing part receives the optical element group. The optical element group comprises an ultimate optical element located in the region of the light passageway. A load-relieving device is provided adjacent to the ultimate optical element, the load relieving device partly defining the first space and the second space and at least partly relieving the ultimate optical element from loads resulting from pressure differences between the first space. 1. (canceled)2. An optical element unit , comprising:an optical element group configured to project light along an optical axis of the optical element group;a support structure comprising an inner part partly defining a first space and a light passageway between the first space and a second space, the optical element group being disposed in the inner part;a cover device; anda holding device, the optical element group comprises first and second optical elements disposed in a region of the light passageway,', 'the first optical element has an optically used surface;', 'the second optical element has an optically used surface;', 'the first optical element is connected to the support structure by the holding device;', 'the cover device is a component separate from the holding device;', 'the cover device is connected to the support structure;', 'the cover device extends between the support structure and a first surface of the first optical element;', 'the cover device is between the first and second optical elements;', 'the cover device leaves a part of a surface of the first optical element uncovered; and', 'the cover device covers a part of a surface of the first optical element., 'wherein3. The optical element unit of claim 2 , ...

LENS BARREL AND DIGITAL CAMERA HAVING THE SAME

A lens barrel projects out of a main body of a camera during photographing and is accommodated in the main body of the camera during non-photographing and includes a plurality of lens assemblies including an escape lens assembly to be movable along a reference optical axis of the camera, and an escape unit to control the escape lens assembly to escape from the reference optical axis while the escape lens assembly moves from a photographing position to a non-photographing position, wherein lenses of the escape lens assembly have an optical axis that is in a skew position with respect to the reference optical axis in a position where the escape lens assembly has escaped. 1. A lens barrel usable with a camera , comprising:a plurality of lens assemblies including an escape lens assembly to be movable along a reference optical axis of the camera; andan escape unit to control the escape lens assembly to escape from the reference optical axis when the escape lens assembly moves from a photographing position to a non-photographing position,wherein one or more lenses of the escape lens assembly have an optical axis that is in a skew position with respect to the reference optical axis in a position where the escape lens assembly has escaped.2. The lens barrel as claimed in claim 1 , wherein while the escape lens assembly moves from the photographing position to the non-photographing position claim 1 , the escape unit rotates the escape lens assembly at a predetermined angle about a rotating axis that is perpendicular to the reference optical axis claim 1 , and makes the escape lens assembly slide for a predetermined distance along a direction of the rotating axis.3. The lens barrel as claimed in claim 2 , wherein the escape unit comprises:a rotating unit to control the escape lens assembly to rotate at the predetermined angle about the rotating axis that is perpendicular to the reference optical axis while the escape lens assembly moves from the photographing position to the ...

LENS BARREL MODULE AND LENS ASSEMBLY INCLUDING THE SAME

A lens barrel module is disclosed to include a lens barrel unit and a flow path unit. The lens barrel unit extends along an axis and includes a peripheral wall that surrounds the axis and that has a first end adjacent to an object side of a lens assembly and a second end opposite to the first end and adjacent to an image side of the lens assembly. The peripheral wall defines an accommodation space configured as a series of accommodation sections for receiving the optical members. The flow path unit is formed in the lens barrel module and is in spatial communication with at least two of the accommodation sections. A lens assembly including the lens barrel module is also disclosed. 1. A lens barrel module adapted to receive a plurality of optical members of a lens assembly , comprising:a lens barrel unit that extends along an axis and that includes a peripheral wall surrounding the axis and having a first end which is adjacent to an object side of the lens assembly and a second end which is opposite to said first end and adjacent to an image side of the lens assembly, said peripheral wall defining an accommodation space that is configured as a series of accommodation sections for receiving the optical members; anda flow path unit that is formed in said lens barrel unit and that is in spatial communication with at least two of said accommodation sections.2. The lens barrel module of claim 1 , wherein said flow path unit is in communication with said accommodation sections and has an opening proximate to said second end of said peripheral wall.3. The lens barrel module of claim 1 , wherein one of said accommodation sections that is most adjacent to said first end has a sectional dimension defined by said peripheral wall not greater than that of another of said accommodation sections that is most adjacent to said second end.4. The lens barrel module of claim 3 , wherein said accommodation sections are grouped into an object side-adjacent accommodation area and an image ...

LENS BARREL, IMAGING DEVICE, AND PART OF LENS BARREL

A lens barrel is provided that accommodates an optical member including a lens so as to be movable in an optical axis direction. The lens barrel includes a first part that is molded from a resin material in which an additive with a friction-reducing property is added to a base resin, and thereby the additive is exposed on the surface of the base resin. The first part moves along with the movement of the optical member in the optical axis direction. The lens barrel also includes a second part that comes into contact with the first part, and slides relative to a surface of the first part on which the additive is exposed along with the movement of the optical member moves in the optical axis direction. 1. A lens barrel accommodating an optical member including a lens such that the optical member is movable in a direction of an optical axis of the optical member , the lens barrel comprising:a first part configured to move when the optical member moves in the direction of the optical axis, the first part being molded of a resin material in which an additive including organosilicon compound with a friction-reducing property is added to a base resin, the additive being exposed on a surface of the base resin; anda second part being in contact with the surface of the first part, the second part relatively sliding on the surface of the first part when the optical member moves in the direction of the optical axis.2. The lens barrel according to claim 1 ,wherein the first part is one of a lens frame that secures the lens and a part being in contact with the lens frame.3. The lens barrel according to claim 1 ,wherein the additive contains organosilicone.4. The lens barrel according to claim 1 ,wherein the second part is molded of a resin material in which an additive with a friction-reducing property is added to a base resin, and the additive being exposed on a surface of the base resin.5. The lens barrel according to claim 1 ,wherein the base resin contains at least one of ...

PLASTIC BARREL, IMAGING LENS MODULE AND ELECTRONIC DEVICE

A plastic barrel includes an object-end portion, an image-end portion, a tube portion and a plurality of wedge structures. The object-end portion includes an outer object-end surface, an object-end hole and an inner annular object-end surface. The image-end portion includes an outer image-end surface, an image-end opening and an inner annular image-end surface. The tube portion connects the object-end portion and the image-end portion, and includes a plurality of inclined surfaces. The wedge structures are disposed on at least one surface of the inner annular object-end surface, the inner annular image-end surface and the inclined surfaces, wherein the wedge structures are regularly arranged around the central axis, and each of the wedge structures includes an acute end and a tapered section. The tapered section connects the surface, which the wedge structure is disposed on, and the acute end. 1. A plastic barrel , comprising: an outer object-end surface;', 'an object-end hole; and', 'an inner annular object-end surface connected to the outer object-end surface and surrounding the object-end hole;, 'an object-end portion comprising an outer image-end surface;', 'an image-end opening; and', 'an inner annular image-end surface connected to the outer image-end surface and surrounding the image-end opening;, 'an image-end portion comprising 'a plurality of inclined surfaces, wherein an angle is between each of the inclined surfaces and a central axis of the plastic barrel; and', 'a tube portion connecting the object-end portion and the image-end portion, wherein the tube portion comprises an acute end; and', 'a tapered section connecting the surface, which the wedge structure is disposed on, and the acute end., 'a plurality of wedge structures, which are disposed on at least one surface of the inner annular object-end surface, the inner annular image-end surface and the inclined surfaces, wherein the wedge structures are regularly arranged around the central axis, and ...

MULTIPLE-LENS CAMERA SYSTEM

A multiple-lens camera system is provided, including a first lens driving module, a second lens driving module, and a shielding member. The first and second lens driving modules respectively include a frame, a lens holder movably disposed in the frame for holding a lens, a magnetic element disposed on a side of the lens holder and a driving board, wherein the driving board has a first coil corresponding to the magnetic element, to generate a magnetic force for moving the lens holder and the lens relative to the driving board. The shielding member is disposed in the first lens driving module and between the two magnetic elements of the first and second lens driving modules which are adjacent to each other, to suppress magnetic interference between the first and second lens driving modules. 1. A multiple-lens camera system , comprising: a frame;', 'a lens holder, movably disposed in the frame for holding a lens;', 'a magnetic element, disposed on a side of the lens holder;', 'a driving board, having a first coil corresponding to the magnetic element, to generate a magnetic force for moving the lens holder and the lens relative to the driving board; and, 'a first lens driving module and a second lens driving module, respectively comprisinga shielding member, disposed in the first lens driving module and between the two magnetic elements of the first and second lens driving modules which are adjacent to each other, to suppress magnetic interference between the first and second lens driving modules.2. The multiple-lens camera system as claimed in claim 1 , wherein the magnetic element of the first lens driving module comprises a magnet protruding from a lower end of the shielding member.3. The multiple-lens camera system as claimed in claim 1 , wherein the shielding member is affixed to the frame by insert molding.4. The multiple-lens camera system as claimed in claim 1 , wherein the magnetic element of the first lens driving module comprises a magnet claim 1 , and the ...

ANNULAR OPTICAL ELEMENT, IMAGING LENS MODULE AND ELECTRONIC DEVICE

An annular optical element includes an outer annular surface, an inner annular surface, a first side surface, a second side surface and a plurality of strip-shaped wedge structures. The outer annular surface surrounds a central axis of the annular optical element and includes at least two shrunk portions. The first side surface connects the outer annular surface and the inner annular surface. The second side surface connects the outer annular surface and the inner annular surface, wherein the second side surface is disposed correspondingly to the first side surface. The strip-shaped wedge structures are disposed on the inner annular surface, wherein each of the strip-shaped wedge structures is disposed along a direction from the first side surface towards the second side surface and includes an acute end and a tapered portion connecting the inner annular surface and the acute end. 1. An annular optical element , comprising:an outer annular surface surrounding a central axis of the annular optical element and comprising at least two shrunk portions, wherein the shrunk portions are parts of the outer annular surface closer to the central axis;an inner annular surface surrounding the central axis and closer to the central axis than the outer annular surface;a first side surface connecting the outer annular surface and the inner annular surface;a second side surface connecting the outer annular surface and the inner annular surface, wherein the second side surface is disposed correspondingly to the first side surface; anda plurality of strip-shaped wedge structures disposed on the inner annular surface, wherein each of the strip-shaped wedge structures is disposed along a direction from the first side surface towards the second side surface and comprises an acute end and a tapered portion connecting the inner annular surface and the acute end.2. The annular optical element of claim 1 , wherein the annular optical element with the strip-shaped wedge structures is formed ...

LASER ALIGNMENT SYSTEMS

A laser alignment arrangement includes a first stage configured to structurally support a laser at a first longitudinal position of the laser, the first stage being configured to adjust the first longitudinal position of the laser in at least one direction orthogonal to an axis of the laser, and a second stage configured to structurally support the laser at a second longitudinal position of the laser, the second stage being configured to adjust the second longitudinal position of the laser in at least one direction orthogonal to the axis of the laser. 1. A method for aligning a laser , comprising:moving a first longitudinal position of a laser in at least one direction orthogonal to an axis of the laser; andmoving a second longitudinal position of the laser in at least one direction orthogonal to the axis of the laser.2. The method of claim 1 , further comprising allowing the laser to swivel within at least one of the first stage or the second stage.3. The method of claim 1 , further comprising inserting the laser into a first stage and second stage of a laser alignment arrangement by sliding the laser into a laser opening of the first stage and the second stage.4. The method of claim 2 , further comprising:moving the first longitudinal position of the laser in two directions orthogonal to an axis of the laser; andmoving the second longitudinal position of the laser in two directions orthogonal to the axis of the laser. This application claims that benefit of and priority to, as a divisional application of, U.S. patent application Ser. No. 15/258,896 filed on Sep. 7, 2016, which is incorporated herein by reference in its entirety.The present disclosure relates to laser systems, more specifically to laser alignment systems.Certain applications of laser (e.g., for optical systems) require light to be aligned through one or more aperture and to center on a target. Traditional alignment stages are designed for centering the laser to a target but not to align through one ...

MULTI-LENS MODULE STRUCTURE AND ELECTRONIC DEVICE HAVING SAME

A multi-lens module structure includes at least two lens modules and an antimagnetic structure. The anti-magnetic structure is located between the at least two lens modules. 1. A multi-lens module structure comprising:at least two lens modules; andan antimagnetic structure located between the at least two lens modules.2. The multi-lens module structure of claim 1 , further comprising a bracket which is hollowed claim 1 , wherein:the bracket comprises at least one connecting portion separating the bracket into at least two through holes;each of the at least two lens module comprises a voice coil motor; andeach voice coil motor is received in a respective through hole.3. The multi-lens module structure of claim 2 , wherein:the connecting portion comprises a first surface and a second surface;the first surface is opposite the second surface;the first surface is located in one of the through holes, and the second surface is located in another one of the through holes.4. The multi-lens module structure of claim 3 , wherein:the antimagnetic structure comprises a plurality of antimagnetic plates; andthe antimagnetic plates are attached to the first surface and the second surface.5. The multi-lens module structure of claim 3 , wherein:the antimagnetic structure is an antimagnetic coating; andthe antimagnetic coating is applied on the first surface and the second surface.6. The multi-lens module structure of claim 2 , wherein:the antimagnetic structure comprises a plurality of antimagnetic plates;the antimagnetic plates are attached to at least one of the lens modules on a surface of the lens module adjacent to the connecting portion.7. The multi-lens module structure of claim 2 , wherein:the antimagnetic structure is an antimagnetic coating; andthe antimagnetic coating is applied on at least one of the voice coil motors on a surface of the voice coil motor adjacent to the connecting portion.8. The multi-lens module structure of claim 2 , further comprising an upper bracket ...

SELF-CENTERING LOCKING LENS HOLDER

An assembly and a locking member for locking and centering a threaded lens assembly with relation to a lens base is disclosed. The locking member includes a threaded through hole configured to thread onto one of a threaded lens base or the threaded lens assembly. The locking member further includes an interlocking portion configured to engage with a receiving portion of the other of the threaded lens base or a threaded lens assembly, wherein the engagement between the interlocking portion and the receiving portion prevents the threaded lens assembly from moving with relation to the lens base. 1. A locking member for locking and centering a threaded lens assembly with relation to a lens base comprising:a threaded through hole configured to thread onto one of a threaded lens base or the threaded lens assembly;an interlocking portion configured to engage with a receiving portion of the other of the threaded lens base or the threaded lens assembly, wherein the engagement between the interlocking portion and the receiving portion prevents the threaded lens assembly from rotating with relation to the lens base.2. The locking member of claim 1 , wherein the threaded through hole is configured to receive the threaded lens assembly claim 1 , wherein rotation of the locking member with relation to the threaded lens assembly causes the interlocking portion to engage with the receiving portion of the lens base.3. The locking member of claim 1 , wherein the thread of the threaded through hole has a major diameter and a minor diameter and the threaded through hole extends from a first surface at a locking member first end to a second surface at a locking member second end claim 1 , and wherein the interlocking portion comprises a plurality of locking protrusions protruding from the locking member second end claim 1 , wherein the plurality of locking protrusions are arranged around the through hole at a locking protrusion diameter that is greater than the major diameter of the ...

HEAD MOUNTED DISPLAY DEVICE

The present disclosure discloses a head-mounted display device comprising a display module, a diopter detection module, a diopter adjustment module and a controller. The display module is configured to project display images to exit pupil along the preset light path. The diopter detection module is configured to detect a parameter of a direction of exit pupil reflecting a diopter. The diopter adjustment module is configured to determine whether or not the diopter standard threshold is met according to the parameter. If not, the controller controls the diopter adjustment module to adjust, and further continuously acquires a current parameter detected by the diopter detection module during adjustment, until the current parameter is determined to meet the diopter standard threshold. The head-mounted display device detects the diopter of the wearer's eye, and automatically perform diopter correction when the diopter of the wearer's eye is incorrect, and is suitable for use by different people. 1. A head mounted display device , comprising a display module , configured to project display images to a direction of an exit pupil along a preset light path , wherein , the head mounted display device further comprises:a diopter detection module, configured to detect a parameter of the direction of exit pupil reflecting a diopter;a diopter adjustment module, configured to adjust a focal length of the path; anda controller, configured to determine whether or not the diopter standard threshold is met according to the parameter detected by the diopter detection module, when the diopter standard threshold is not met, the controller controls the diopter adjustment module to adjust, and further continuously acquires a current parameter detected by the diopter detection module during adjustment of the diopter adjustment module, until the current parameter detected by the diopter detection module is determined to meet the diopter standard threshold.2. The head mounted display device ...

Sliding Accessory Lens Mount with Automatic Mode Adjustment

In accordance with an example embodiment of the present invention, an apparatus is provided with: an accessory lens mount configured to movably attach to a camera, the camera having an objective; a plurality of different optical elements attached to the accessory lens mount such that each of the different optical elements is movable to a co-operating position with the objective by the accessory lens mount to a corresponding position by a user; and an optical mode indicator configured to enable automatic optical mode adjustment of the camera to suit with the optics formed by the objective and the optical element that is moved to the co-operating position with the objective. 1. An apparatus , comprising:an accessory lens mount configured to movably attach to a camera, the camera having an objective;a plurality of different optical elements attached to the accessory lens mount such that each of the different optical elements is movable to a co-operating position with the objective by the accessory lens mount to a corresponding position by a user; andan optical mode indicator configured to enable automatic optical mode adjustment of the camera to suit with the optics formed by the objective and the optical element that is moved to the co-operating position with the objective.2. The apparatus of claim 1 , wherein the accessory lens mount is a configured to slidably attach to the camera.3. The apparatus of claim 1 , wherein the optical mode indicator comprises a touch indicator configured to co-operate with a touch detection surface on the camera.4. The apparatus of claim 1 , wherein the optical mode indicator is configured to indicate the optical element that is in the co-operating position with the objective.5. The apparatus of claim 1 , further comprises a plurality of different flash light adaptors corresponding to some of the optical elements; wherein each of the flash light adaptors is configured to co-operate with a flash light on the camera when a corresponding ...

MANUFACTURING METHOD FOR CAMERA MODULE, AND CAMERA MODULE

A lens barrel () holding an imaging lens () is inserted into a carrier () accommodated in an actuator (), and the carrier () is held at a position in an optical axis direction of the imaging lens () by the actuator (). The position of the imaging lens () in the optical axis direction and the eccentricity of the imaging lens () are adjusted on the basis of imaging information of an image sensor (), and the lens barrel () is fixed to the carrier (). 15-. (canceled)6. A method for manufacturing a camera module , the method comprising:an insertion step of inserting a lens barrel holding an imaging lens into a carrier accommodated in an actuator and holding the carrier at an arbitrary position in a direction of an optical axis of the imaging lens or in a direction normal to the optical axis by the actuator;an adjustment step of adjusting a position of the imaging lens in the direction of the optical axis and eccentricity of the imaging lens on the basis of imaging information of an image sensor that captures an image of an object through the imaging lens; anda fixation step of fixing the lens barrel to the carrier after the adjustment step, whereinthe lens barrel has a connection section for connection to a manipulator configured to adjust the position of the imaging lens in the direction of the optical axis and the eccentricity of the imaging lens, andin the insertion step, the lens barrel is inserted into the carrier in such a manner that the connection section protrudes toward the object from the actuator.7. The method according to claim 6 , further comprising:an application step of applying a resin between the lens barrel and the carrier before the adjustment step, whereinthe fixation step includes, after the adjustment step, a provisional fixation step of provisionally fixing the lens barrel to the carrier by irradiating the resin, which has been applied in the application step, with ultraviolet radiation.8. A camera module comprising:a lens barrel holding an ...

LENS UNIT

A lens unit includes a plurality of lenses aligned in a row along an optical axis L and a lens holder . A first lens L located the closest to an object-side La includes an object-side lens surface , an image-side lens surface , and an image-side flange surface . A first housing portion accommodating the first lens L in the lens holder includes a regulation portion regulating a position of the first lens L in the optical axis L direction. The regulation portion includes a lens seating surface in contact with the first lens L. The image-side flange surface of the first lens L includes an outer peripheral region A in contact with the lens seating surface of the regulation portion and an inner peripheral region B in which a flexible printed circuit board is disposed. 1. A lens unit comprising:a first lens located the closest to an object side;a second lens disposed on an image side with respect to the first lens;a lens holder including a first housing portion that accommodates the first lens and a second housing portion that accommodates the second lens; anda flexible printed circuit board including a heater, wherein the first lens includes an object-side lens surface, an image-side lens surface, and an image-side flange surface that surrounds the image-side lens surface;the first housing portion includes a regulation portion that regulates a position of the first lens in an optical axis direction; andthe image-side flange surface includes an inner peripheral region in which the flexible printed circuit board is disposed and an outer peripheral region with which the regulation portion is brought into contact.2. The lens unit according to claim 1 , whereinthe flexible printed circuit board includes a flat surface portion along the image-side flange surface and an extension portion extending outward in a radial direction;the flat surface portion includes a connecting portion connected to the extension portion;the first housing portion includes a counterbore portion ...

OPTICAL DRIVING MECHANISM

An optical driving mechanism is provided, including a holder, a fixed portion, a first elastic element, and a first adhesive element. The holder is configured to connect an optical element, and moves relative to the fixed portion. The holder is movably connected to the fixed portion via the first elastic element, and the first elastic element is connected to the holder or the fixed portion via the first adhesive element. 1. An optical driving mechanism , comprising:a holder connecting an optical element;a fixed portion, wherein the holder moves relative to the fixed portion;a first elastic element, wherein the holder is movably connected to the fixed portion via the first elastic element; anda plurality of first adhesive elements, wherein the first elastic element is connected to the holder or the fixed portion via the first adhesive elements.2. The optical driving mechanism as claimed in claim 1 , wherein the first elastic element is connected to the holder via the first adhesive elements claim 1 , the first elastic element further comprises a plurality of first strings claim 1 , a plurality of second strings claim 1 , and a plurality of adhesive portions claim 1 , the first strings and the second strings are connected to the first adhesive elements via the adhesive portions claim 1 , and the holder has a plurality of contact surfaces facing the adhesive portions.3. The optical driving mechanism as claimed in claim 2 , wherein the first elastic element has a plate-like structure perpendicular to an direction of an optical axis claim 2 , the adhesive portions and the contact surfaces at least partially overlap when viewed along the direction of the optical axis.4. The optical driving mechanism as claimed in claim 2 , wherein the first strings and the second strings have strip structures.5. The optical driving mechanism as claimed in claim 2 , wherein the first elastic element further comprises:a plurality of first fixed ends for the fixed portion, fixedly connected ...

PROJECTION APPARATUS AND LENS MODULE

A projection apparatus includes a light source, an optical engine module, and a lens module. The lens module includes a plate having at least one through hole, a lens fixed to the plate, at least one slide assembly disposed between the plate and an optical engine housing of the optical engine module, and a position adjusting device including a movable guide member and at least one guide pillar. The plate is movably disposed on the optical engine housing through the slide assembly. The movable guide member is movably disposed between the plate and the optical engine housing. The guide pillar is disposed on the movable guide member and passes through the through hole. When the movable guide member is forced to move towards an axial direction, the guide pillar drives the plate to move on the slide assembly along the axial direction relative to the optical engine housing. 1. A projection apparatus , comprising:a light source, configured to provide an illumination beam; an optical engine housing; and', 'a light valve, accommodated in the optical engine housing, and configured to convert the illumination beam into an image light beam; and, 'an optical engine module, comprising a plate, having at least one first through hole;', 'a lens, fixed to the plate;', 'at least one slide assembly, disposed between the plate and the optical engine housing, wherein the plate is movably disposed on the optical engine housing through the slide assembly; and', a first movable guide member, movably disposed between the plate and the optical engine housing; and', 'at least one first guide pillar, disposed on the first movable guide member and passing through the first through hole, wherein the first movable guide member is configured to be forced to move towards a first axial direction, thereby making the first guide pillar drive the plate to move on the slide assembly along the first axial direction relative to the optical engine housing., 'a first position adjusting device, comprising], ...

ARRANGEMENT FOR AND METHOD OF PROTECTING AN IMAGING LENS ASSEMBLY FROM DEGRADATION IN OPTICAL PERFORMANCE

An imaging lens assembly, especially for an imaging reader, includes a plurality of lenses mounted in a lens barrel along an optical axis. A plurality of deflectable ribs is arranged around the optical axis at one end region of the barrel. Each deflectable rib extends axially at least partly over one of the lenses. A strain relief recess is formed in the one end region of the barrel and creates a radial spacing between the deflectable ribs and the one lens. The imaging lens assembly is inserted into a passage bounded by an inner chassis wall of a chassis. The chassis wall exerts radial forces on the deflectable ribs during insertion of the imaging lens assembly to deflect the deflectable ribs relative to the barrel end region into the recess without exerting radial pressure on the one lens and degrading optical performance of the imaging lens assembly. 1. An imaging lens assembly for capturing return light from a target , the imaging lens assembly comprising:a hollow, annular lens barrel axially extending along an optical axis between opposite barrel end regions;a plurality of lenses mounted in the barrel and arranged along the optical axis;a plurality of deflectable ribs circumferentially arranged around the optical axis at one of the barrel end regions and extending axially at least partly over one of the lenses; anda strain relief recess formed in the one barrel end region and creating a radial spacing between the deflectable ribs and the one lens to enable radial forces to deflect the deflectable ribs relative to the one barrel end region into the recess without exerting radial pressure on the one lens and degrading optical performance of the imaging lens assembly, and wherein the radial spacing between the deflectable ribs and the one lens prevents direct contacts between the deflectable ribs and the one lens.2. The assembly of claim 1 , wherein the deflectable ribs are equiangularly arranged around the optical axis.3. The assembly of claim 1 , wherein the ...

Positional alignment mechanism for a lens assembly

An alignment mechanism to position and focus a lens assembly includes a housing and an eccentric shaft supported by the housing. The eccentric shaft is configured to rotate with respect to the housing. The alignment mechanism further includes a lens assembly having a bracket coupled to the eccentric shaft, and an actuator assembly, coupled to the bracket of the lens assembly and configured to rotate the lens assembly about the eccentric shaft. The alignment mechanism further includes at least one thrust drive nut mounted on the eccentric shaft, the at least one thrust drive nut being configured to move the eccentric shaft and the bracket of the lens assembly in a z-axis direction.

LENS DRIVE UNIT

A lens drive unit that prevents an actuator from being inclined is provided. In the lens drive unit, when a lens frame is displaced in a direction orthogonal to a direction in which the actuator extends and contracts with respect to a base member by, for example, impact from an outside of the lens drive unit, a drive shaft of the actuator abuts on a first lateral wall and a column, so that the actuator is prevented from being inclined with respect to the base member. 1. A lens drive unit comprising:an actuator, including a piezoelectric element, configured to be capable of extending and contracting in one direction;a base member configured to fix the actuator on one end in a direction of extension and contraction of the actuator;a friction engagement member having one end frictionally engaging an outer periphery of the other end of the actuator in the direction of extension and contraction of the actuator;a lens frame coupled to the friction engagement member; andan inclination restrictor disposed at a position opposite to a contact position between the other end of the actuator and the one end of the friction engagement member with respect to an axis of the actuator, having predetermined intervals from the other end of the actuator as viewed from the direction of extension and contraction of the actuator.2. The lens drive unit according to claim 1 , whereinthe friction engagement member includes, on a side of the one end of the friction engagement member, a slider portion held by the lens frame and a spring portion biased toward the slider portion, andthe slider portion and the spring portion clamp therebetween the other end of the actuator to frictionally engage the other end of the actuator.3. The lens drive unit according to claim 2 , whereinthe other end of the actuator contacts the slider portion of the friction engagement member at a first contact position and a second contact position, andthe inclination restrictor includes a first inclination restrictor ...

LENS DRIVE UNIT

A lens drive unit that offers enhanced reliability in connection between an actuator electrode and an electric wire is provided. In the lens drive unit, an actuator has a weight housed in an holding portion of a base member and is thereby fixed in the base member. Electrodes on a lateral surface of the weight directly contact respective terminal electrodes on an inner lateral surface of the holding portion, so that an electrical connection is established therebetween. The arrangement enhances reliability in connection between the actuator electrodes and the terminal electrodes. 1. A lens drive unit comprising: a piezoelectric element configured to be capable of extending and contracting in one direction;', 'a weight joined with one end face of the piezoelectric element in a direction of extension and contraction of the piezoelectric element; and', 'a shaft joined with the other end face of the piezoelectric element in the direction of extension and contraction of the piezoelectric element;, 'an actuator, the actuator includinga friction engagement member frictionally engaging an outer periphery of the shaft of the actuator;a lens frame coupled to the friction engagement member;a base member including a holding portion recessed to have a shape of the weight of the actuator to thereby house the weight, the base member being configured to fix the actuator in the holding portion;a pair of electrodes disposed on the weight, the pair of electrodes being electrically connected with a pair of electrodes disposed in the piezoelectric element; anda pair of electric wires disposed on an inner lateral surface of the holding portion, the pair of electric wires contacting the pair of electrodes disposed on the weight.2. The lens drive unit according to claim 1 , further comprising:at least two protrusions disposed on an inner lateral surface of the holding portion, the two protrusions each contacting the weight housed in the holding portion.3. The lens drive unit according to ...

SYSTEM FOR BALANCING CENTER OF GRAVITY OF A ZOOM LENS

A lens barrel includes one or more movable lens groups, and a cam barrel associated with the one or more movable lens groups and configured to balance a center of gravity of the one or more movable lens groups. 1. A lens barrel , comprising:one or more movable lens groups; anda cam barrel associated with the one or more movable lens groups and configured to balance a center of gravity of the one or more movable lens groups.2. The lens barrel of claim 1 , wherein the cam barrel is configured to move in response to a movement of the one or more movable lens groups.3. The lens barrel of claim 2 , wherein the cam barrel is configured to move to negate a shift of the center of gravity created by the movement of the one or more movable lens groups.4. The lens barrel of claim 1 , wherein the cam barrel is configured move to create a first torque change along an optical axis of the lens barrel that negates a second torque change along the optical axis created by movements of the one or more movable lens groups.5. The lens barrel of claim 4 , wherein the first torque change negates a sum of torque changes of the one or more movable lens groups.6. The lens barrel of claim 4 , wherein the cam barrel is configured to move in a first direction along the optical axis that is opposite to a second direction of a shift of the center of gravity of the one or more movable lens groups.7. The lens barrel of claim 6 , wherein the cam barrel is configured to balance the center of gravity in response to the one or more movable lens groups moving relative to each other.8. The lens barrel of claim 1 , further comprising:a stationary barrel associated with an inner surface of the cam barrel.9. The lens barrel of claim 8 , wherein the stationary barrel comprises at least one groove or at least one protruding part to cooperate with the cam barrel.10. The lens barrel of claim 8 , wherein the stationary barrel is configured to cooperate with the cam barrel for guiding the cam barrel to move along ...

IMAGING LENS MODULE AND ELECTRONIC DEVICE

An imaging lens module includes a plastic barrel, an optical lens assembly and a glue material. The plastic barrel includes an outer object-end surface, an outer image-end surface and an inner tube surface. The inner tube surface connects the outer object-end surface and the outer image-end surface, and includes a plurality of parallel inner surfaces. A plurality of stripe structures are disposed on and protruded from at least one of the parallel inner surfaces, wherein the stripe structures are regularly arranged along a circumferential direction of the parallel inner surface. The optical lens assembly includes a plurality of optical elements disposed in the plastic barrel and arranged along the optical axis, wherein an outer annular surface of at least one of the optical elements is disposed correspondingly to the stripe structures. The glue material is applied among the outer annular surface and the stripe structures. 1. An imaging lens module , comprising: an outer object-end surface being a surface of the plastic barrel facing an imaged object, and the outer object-end surface surrounding an object-end opening;', 'an outer image-end surface being a surface of the plastic barrel facing an image surface, and the outer image-end surface surrounding an image-end opening;', 'an inner tube surface connecting with the outer object-end surface and the outer image-end surface and facing an optical axis of the imaging lens module, wherein the inner tube surface comprises a plurality of parallel inner surfaces, a plurality of stripe structures are disposed on and protruded from at least one of the parallel inner surfaces, and the stripe structures are regularly arranged along a circumferential direction of the at least one of the parallel inner surfaces;, 'a plastic barrel, comprisingan optical lens assembly comprising a plurality of optical elements disposed in the plastic barrel and arranged along the optical axis, wherein an outer annular surface of at least one of the ...

CAMERA MODULE

A camera module includes an image sensor configured to output a plurality of image frames, a lens assembly disposed on the image sensor, the lens assembly including at least one lens unit disposed on an optical path and a variable filter unit configured to adjust the optical path of light incident on the image sensor from outside, a controller configured to generate a control signal to control the variable filter unit, and an image synthesizer configured to synthesize the plurality of image frames to generate a composite image, wherein the composite image has a higher resolution than the image frames, and wherein the plurality of image frames includes image frames generated along respectively different optical paths changed by the variable filter unit. 1. A camera module , comprising:an image sensor configured to output a plurality of image frames;a lens assembly disposed on the image sensor, the lens assembly comprising at least one lens unit disposed on an optical path and a variable filter unit configured to adjust the optical path of light incident on the image sensor from outside;a controller configured to generate a control signal to control the variable filter unit; andan image synthesizer configured to synthesize the plurality of image frames to generate a composite image,wherein the composite image has a higher resolution than the image frames, andwherein the plurality of image frames comprises image frames generated along respectively different optical paths changed by the variable filter unit.2. The camera module according to claim 1 , wherein the variable filter unit comprises:a filter configured to filter light within a predetermined wavelength range; andan actuator configured to adjust an angle of the filter with respect to an optical axis of the lens unit in response to the control signal.3. The camera module according to claim 2 , wherein the variable filter unit comprises a support member disposed on the lens unit to support the filter and the ...

Optical Lens Assembly for Vehicular Optical Imaging System

An optical lens assembly includes a lens unit and a holder. The lens unit includes at least a front lens and a rear lens, and the holder includes a positioning portion and a holding portion extended downwardly the positioning portion. The positioning portion and the holding portion are integrated with each other. The holding portion forms a light chamber for holding the lens unit therein, wherein the light chamber allows imaging lights to enter thereinto and pass through the lens unit. The positioning portion is sealed on the outer surface of the front lens along the outer periphery of the front lens. 1. An optical lens assembly , comprising:a holder having a positioning portion and a receiving portion extended downwardly from said positioning portion to form a light chamber; anda lens unit received in said light chamber of said holder from top to bottom, wherein said lens unit comprises at least a front lens has an outer surface which is pressed sealedly against said positioning portion of said holder.2. The optical lens assembly claim 1 , as recited in claim 1 , wherein said lens unit further comprises a rear lens and said receiving portion of said holder has an inner wall defining said light chamber claim 1 , wherein said inner wall has at least one holding portion and an outer surface of said rear lens is sealed at said holding portion of said receiving portion of said holder so as to hold said lens unit in said light chamber of said holder.3. The optical lens assembly claim 2 , as recited in claim 2 , further comprising a base claim 2 , wherein said receiving portion is arranged on said base.4. The optical lens assembly claim 1 , as recited in claim 1 , wherein said lens unit further comprises a rear lenes claim 1 , and said holder has an inner wall defining said light chamber and further comprises at least one holding portion provided on said inner wall to hold said lens unit in said light chamber claim 1 , wherein an inner diameter of the light chamber ...

OPTICAL ELEMENT DRIVING MECHANISM

An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly and a connecting assembly. The movable assembly is configured to connect an optical element having an optical axis, and the movable assembly is movable relative to the fixed assembly. The movable assembly is movably connected to the fixed assembly through the connecting assembly. 1. An optical element driving mechanism , comprising:a fixed assembly:a movable assembly, configured to connect an optical element having an optical axis, wherein the movable assembly is movable relative to the fixed assembly; anda connecting assembly, wherein the movable assembly is movably connected to the fixed assembly through the connecting assembly.2. The optical element driving mechanism as claimed in claim 1 , wherein the connecting assembly includes:a first elastic unit has a block structure;the first elastic unit does not have a plate-shaped structure;the first elastic unit has a plastic material;the first elastic unit includes a light-curing glue or a heat-curing glue.3. The optical element driving mechanism as claimed in claim 2 , wherein the first elastic unit includes a plurality of first elastic elements claim 2 , and when viewed along the optical axis claim 2 , a center of the movable assembly is located within a polygonal structure formed by the plurality of first elastic elements;when viewed along the optical axis, the center of the movable assembly is located at a center of the polygonal structure;when viewed along the optical axis, the first elastic elements are disposed between the movable assembly and the fixed assembly;when viewed along the optical axis, a first pair of the first elastic elements is disposed at a first corner and a second corner of the movable assembly;the first corner is an opposite corner of the second corner;when viewed along the optical axis, a second pair of the first elastic elements is disposed at a third corner and a fourth corner of the movable ...

HEAD-MOUNTED DISPLAY

There is provided a head-mounted display which allows the lengths of fastening bands to be adjusted easily and can be mounted on the head of the user with increased stability. The head-mounted display () has a first fastening band () and a second fastening band () which extend from the front side toward rear side thereof, for being fastened to the head of the user. At least a portion of the first fastening band () is made of an elastically expandable material. The second fastening band () is made of a material which is less expandable than the material of the first fastening band () and includes a mechanism (M) for adjusting the length thereof. 1. A head-mounted display comprising:a first fastening band for being fastened to a head of a user, the first fastening band including at least a portion made of an elastically expandable material and extending rearwardly from a front side of the head-mounted display;a second fastening band for being fastened to the head of the user, the second fastening band being made of a material which is less expandable than the material of the first fastening band, including a mechanism for adjusting the length of the second fastening band, and extending rearwardly from a front side of the head-mounted display; anda display unit including a display device and supported by the first fastening band and the second fastening band.2. The head-mounted display according to claim 1 , further comprising:a front support for being mounted on the forehead of the user, the front support being coupled to the display unit and adjustable in its position with respect to the display unit;wherein the first fastening band and the second fastening band extend rearwardly from the front support.3. The head-mounted display according to claim 1 , wherein one of the first fastening band and the second fastening band is positioned beneath the other fastening band; andthe one of the first fastening band and the second fastening band extend rearwardly and ...

Lens Module

A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity. 1. A lens module having an optical axis , comprising:a lens barrel;a lens group accommodated in the lens barrel, the lens group comprising a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part; a first matching part positioned on the peripheral part of the first lens, the first matching part including sequentially a first plane extending horizontally, a first slope extending aslant toward an image side from the first plane, a second slope extending aslant toward the image side from the first slope, and a second plane extending horizontally from the second slope;', 'a second matching part positioned on the peripheral part of the second lens, the second matching part sequentially including a third plane attached to the first plane, a third slope extending aslant toward the image side from the third plane, a fourth slope extending aslant toward the image side from the third slope, and a fourth plane extending horizontally from the fourth slope; wherein, 'a matching structure formed by the peripheral part of the second lens and the peripheral part of the first lens, the matching structure includinga hollow gap is formed between the first slope and the third slope; the second slope is attached to the fourth slope; and the second plane is arranged opposite to the fourth plane.2. The lens module as described in claim 1 , wherein the lens barrel comprises an inner wall and an outer wall opposite to the inner wall; and the ...

Lens Module

A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity. 1. A lens module having an optical axis , comprising:a lens barrel;a lens group accommodated in the lens barrel, the lens group comprising a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part; a first matching part positioned on the peripheral part of the first lens, the first matching part including sequentially a first plane extending horizontally, a first slope extending aslant toward an object side from the first plane, a second slope extending aslant toward the object side from the first slope, and a second plane extending horizontally from the second slope;', 'a second matching part positioned on the peripheral part of the second lens, the second matching part sequentially including a third plane attached to the first plane, a third slope extending aslant toward the object side from the third plane, a fourth slope extending aslant toward the object side from the third slope, and a fourth plane extending horizontally from the fourth slope; wherein, 'a matching structure formed by the peripheral part of the second lens and the peripheral part of the first lens, the matching structure includinga hollow gap is formed between the first slope and the third slope; the second slope is attached to the fourth slope; and the second plane is arranged opposite to the fourth plane.2. The lens module as described in claim 1 , wherein the lens barrel comprises an inner wall and an outer wall opposite to the inner wall; and the ...

Lens Module

A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity. 1. A lens module having an optical axis , including:a lens barrel;a lens group accommodated in the lens barrel, and including a first lens and a second lens which are arranged in an order from an object side to an image side, the first lens and the second lens each including an optical imaging portion and a peripheral portion around the optical imaging portion; a first matching part on the peripheral portion of the first lens, the first matching part including in turn along the edge of the first lens toward the optical axis a first plane extending horizontally, a first slope extending from the first plane toward the image side, a second slope extending from the first slope toward the image side, and a second plane extending horizontally from the second slope;', 'a second matching part on the peripheral portion of the second lens, the second matching part including in turn along the edge of the second lens toward the optical axis a third plane contacting with the first plane, a third slope extending from the third plane to the image side, a fourth slope extending from the third slope toward the image side, and a fourth slope extending horizontally from the fourth slope;, 'a matching structure positioned in the lens barrel, and includingwhereinthe first slope at least partially contacts with the third slope; a hollow gap is formed between the second slope and the fourth slope; and the second plane and the fourth plane are opposite to each other.2. The lens module as described in claim 1 , wherein the lens ...

Lens Module

A lens module includes a lens barrel and a lens group accommodated in the lens barrel. The lens group includes a first lens and a second lens, each of the first lens and the second lens including an arc part and a peripheral part around the arc part. A matching structure is formed by the peripheral part of the second lens and the peripheral part of the first lens. By virtue of the matching structure, the lens module of the present disclosure has a high concentricity. 2. The lens module as described in claim 1 , wherein the lens barrel includes an internal wall and an external wall opposite to the internal wall; the second lens is separated from the internal wall of the lens barrel.3. The lens module as described in claim 2 , wherein a gradient of the first slope of the first lens is equal to a gradient of the second slope claim 2 , while a gradient of the third slope of the second lens is not equal to a gradient of the fourth slope.4. The lens module as described in claim 2 , wherein a gradient of the third slope of the second lens is equal to a gradient of the fourth slope claim 2 , and a gradient of the first slope of the first lens is not equal to the gradient of the second slope.5. The lens module as described in claim 3 , wherein a first angle is formed between the first slope and the optical axis; and the first angle is less than 90°.6. The lens module as described in claim 3 , wherein a second angle is formed between the second slope and the optical axis; and the second angle is less than 90°.7. The lens module as described in claim 3 , wherein a third angle is formed between the third slope and the optical axis; and the third angle is less than 90°.8. The lens module as described in claim 3 , wherein a fourth angle is formed between the fourth slope and the optical axis claim 3 , and he fourth angle is less than 90°.9. The lens module as described in further comprising a shade located between the second plane of the first lens and the fourth plane of the ...

OPTICAL PROJECTION DEVICE AND PROJECTOR

A optical projection device that projects an image with excellent image quality while achieving miniaturization is provided. The optical projection device includes a first lens frame holding a first lens group L and including a cam pin, a guide barrel including a straight movement groove, a cam barrel including a cam groove, and an urging portion that urges the first lens frame in a direction intersecting with the direction along an optical axis. The cam pin is formed at a position spaced apart from a center of gravity including the first lens frame and members attached to the first lens frame in the direction along the optical axis Ax and the urging portion urges the first lens frame at a position closer than the cam pin with respect to the center of gravity in the direction along the optical axis. 1. A optical projection device including a movable lens group movable along an optical axis , comprising:a movable lens frame including a holding portion which holds the movable lens group and a cam pin which protrudes from the holding portion;a guide barrel which includes a straight movement groove extending in the same direction as the direction along the optical axis and in which the cam pin is inserted into the straight movement groove;a cam barrel which includes a cam groove into which the guide barrel is fitted and with which the cam pin protruding from the straight movement groove is engaged and which is rotated with respect to the guide barrel to thereby guide the cam pin by the straight movement groove and the cam groove and move the movable lens frame along the optical axis; anda correction portion which corrects the inclination of the movable lens frame with respect to the optical axis.2. The optical projection device according to claim 1 ,wherein the cam pin is formed at a position spaced apart from the center of gravity including the movable lens frame and members attached to the movable lens frame in the direction along the optical axis,the correction ...

ACCESSORY AND LENS SYSTEM

An accessory includes a lens frame and a pair of lenses. The lens frame includes a spacer plate, a lens plate and a pair of foldable plates. The spacer plate is coupled to a portable device. The lens plate is flexibly connected to the spacer plate. The pair of foldable plates are flexibly connected between the spacer plate and the lens plate. The pair of foldable plates are unfolded in using state so the lens plate is opened in a preset angle relative to the spacer plate. The pair of foldable plates are folded in folding state so the spacer plate and the lens plate overlap each other. The pair of lenses are disposed on the lens plate, and positioned in front of a display of the portable device in using state. A lens system including aforesaid portable device, the lens frame and the pair of lenses is also provided. 1. An accessory , adapted to be connected to a portable device having a display , comprising: a spacer plate, coupled to the portable device;', 'a lens plate, flexibly connected to the spacer plate; and', 'a pair of foldable plates, one of the pair of foldable plates being foldably fixed between one end of the space plate and one corresponding end of the lens plate, another of the pair of foldable plates being flexibly connected between another end of the space plate and another corresponding end of the lens plate, wherein the pair of foldable plates are unfolded in a using state so the lens plate is opened in a preset angle relative to the spacer plate, and the pair of foldable plates are folded in a folding state so the spacer plate and the lens plate overlap each other; and, 'a lens frame, comprisinga pair of lenses, disposed on the lens plate, and positioned in front of the display of the portable device in the using state.2. The accessory according to claim 1 , wherein the lens plate has a notch between the pair of lenses which is adapted to accommodate a user's nose bridge.3. The accessory according to claim 1 , wherein the pair of foldable plates ...

OPTICAL IMAGE CAPTURING SYSTEM WITH THIN MOUNTING COMPONENTS

An optical image capturing system with thin mounting components includes an optical imaging lens set providing at least two lenses with refractive power, an image plane, a first lens positioning element and a second lens positioning element. In certain conditions, the optical image capturing system with thin mounting components utilizes the member with a small thickness to design the positioning of the lenses, further effectively elevating the amount of light admitted into the optical image capturing system with thin mounting components and increasing the field of view thereof. The optical image capturing system with thin mounting components has an adequate illuminance and elevates the image quality in order to be applied to the small electronic products or the electronic products with slim border. 1. An optical image capturing system with thin mounting components , comprising:an optical imaging lens set comprising at least two lenses having refractive power;an image plane; anda first lens positioning element, comprising a lens mount and a base plate, the lens mount being hollow and opaque for shading the optical imaging lens set, the base plate being configured in a direction approaching the image plane for shading the image plane, a maximum of a smallest length on a plane of a periphery of the base plate and perpendicular to an optical axis expresses as PhiD;wherein a focal length of the optical imaging lens set expresses as f, an entrance pupil diameter of the optical imaging lens set expresses as HEP, a half maximum angle of view of the optical imaging lens set expresses as HAF, the following conditions are satisfied: 1.05≤f/HEP≤10.0, 0 deg Подробнее

LENS CLIP FOR COUPLING AND OPTICAL ALIGNMENT OF AN OPTICAL LENS ARRAY AND AN OPTICAL SUBASSEMBLY MODULE IMPLEMENTING SAME

The present disclosure is generally directed to a lens clip that defines at least one mounting surface for coupling to and supporting an array of optical components, e.g., a laser diode and associated components, and an optical lens slot to receive and securely hold an array of optical lenses at a predetermined position relative to the optical components to ensure nominal optical coupling. The optical lens slot includes dimensions that permit insertion of each optical lens into the same and restrict travel along one or more axis. Accordingly, disposing an optical lens within the lens slot ensures correct alignment along at least two axis, e.g., Z and X, with the third axis (e.g., Y) extending parallel along the slot to permit lateral adjustment of each lens. 1. A lens clip for use in an optical subassembly to mount and align an array of optical lenses with associated optical components , the lens clip comprising:a body having a first end that extends to a second end, the body defining a lens slot that extends between the first and second end, and wherein the lens slot is configured to receive at least a portion of each optical lens of the array of optical lenses;a mating surface defined by the body to couple the lens clip to an optical subassembly housing;a mounting surface defined by the body, the mounting surface disposed along the lens slot and configured to couple to and support a plurality of optical components; andwherein the lens slot is configured to optically align each optical lens of the array of optical lenses with an associated optical component mounted to the at least one mounting surface.2. The lens clip of claim 1 , wherein the body is formed from a transparent material claim 1 , the transparent material allowing for at least 50% of incident light to pass into the lens slot.3. The lens clip of claim 1 , wherein the lens slot is configured to receive and couple to at least two optical lenses.4. The lens clip of claim 1 , further comprising a plurality ...

OPTICAL APPARATUS

An optical apparatus for manipulating light in an optical system that includes means for mechanically coupling the apparatus to an optical input device with the optical system such thus received light passes from the optical input device onwards toward an optical processor and means for moving at least one optical component between an aligned position and a non-aligned position. 1. An optical apparatus for manipulating light in an optical system , which optical system comprises an optical input device for receiving light and an optical processing portion having an optical processor for processing the light received via the optical input device , the apparatus comprising:means for mechanically coupling the apparatus to said optical input device, within said optical system, such that light received via said optical input device passes from said optical input device, through said apparatus, onwards to said optical processor; andmeans for moving, when said apparatus is coupled by said means for mechanically coupling the apparatus within said optical system, at least one optical component between:a) an aligned position in which said optical component is located between said optical input device and said optical processor, for manipulating light received via said optical input device and for passing light so manipulated to said optical processor; andb) a non-aligned position in which said optical component is not located between said optical input device and said optical processor.2. The optical apparatus according to claim 1 , wherein said means for mechanically coupling the apparatus is configured for maintaining claim 1 , when said apparatus is coupled by said means for mechanically coupling the apparatus to said optical input device claim 1 , a predefined distance between a surface of said optical input device and an image plane of said optical processor.3. The optical apparatus according to claim 2 , wherein said predefined distance is not more than 30 mm claim 2 , ...

LENS MODULE WITH AUTO-FOCUSING MECHANISM AND ELECTRONIC DEVICE

A lens module with auto-focusing mechanism includes a plastic lens barrel, a lens assembly, an auto-focusing mechanism and a coil regulating structure. The plastic lens barrel includes a front end portion, a rear end portion and an outer side portion, wherein the front end portion includes a front end surface and a front end hole, the rear end portion includes a rear end opening, the outer side portion connects the front end portion and the rear end portion. The lens assembly is disposed in the plastic lens barrel, and includes a plurality of lens elements. The auto-focusing mechanism is connected to the plastic lens barrel, and includes a coil being polygon. The coil regulating structure is located on the outer side portion of the plastic lens barrel, and is integrated with the plastic lens barrel, wherein the coil is connected and positioned to the coil regulating structure. 1. A lens module with auto-focusing mechanism , comprising:a plastic lens barrel comprising:a front end portion comprising a front end surface and a front end hole;a rear end portion comprising a rear end opening; andan outer side portion connecting the front end portion and the rear end portion;at least four protruding structures located on the outer side portion of the plastic lens barrel; anda coil regulating structure located on the outer side portion of the plastic lens barrel;a lens assembly disposed in the plastic lens barrel, and comprising a plurality of lens elements;at least one elastic member connected to the protruding structures of the plastic lens barrel;an auto-focusing mechanism connected to the plastic lens barrel, and comprising:a coil being polygon; andwherein the coil regulating structure is integrally formed with the plastic lens barrel, the coil is connected and positioned to the coil regulating structure, each of the protruding structures extending along a direction parallel to an optical axis of the lens assembly, and the plastic lens barrel is made of injection ...

Lens Module

A lens module is disclosed. The lens module includes a lens barrel having a first bonding face; a first lens; and a fixing component installed inside the lens barrel and including a second bonding face. At least one the first bonding face and the second bonding face is configured to be lumpy, and the first bonding face and the second bonding face are bonded by glue. The first bonding face, the second bonding face and the glue form a bonding structure. 1. A lens module including:a lens barrel having a first bonding face;a first lens;a fixing component installed inside the lens barrel and including a second bonding face; whereinat least one the first bonding face and the second bonding face is configured to be lumpy, and the first bonding face and the second bonding face are bonded by glue, and the first bonding face, the second bonding face and the glue form a bonding structure.2. The lens module as described in claim 1 , wherein the lens barrel comprises a first barrel wall having an optical aperture and a second barrel wall extending from the first barrel wall claim 1 , and the first bonding face locates the second barrel wall.3. The lens module as described in claim 2 , wherein the first bonding face includes a plurality of first lugs and first grooves arranged in an array.4. The lens module as described in claim 3 , wherein the second bonding face includes a plurality of second lugs and second grooves arranged in an array.5. The lens module as described in claim 4 , wherein the sum of the side length of the first lug vertical to the optical axis and the side length of the first groove vertical to the optical axis is equal to the sum of the side length of the second lug vertical to the optical axis and the side length of the second groove vertical to the optical axis.6. The lens module as described in claim 5 , wherein the fixing component is provided with an optical aperture claim 5 , the outer side of the fixing component is provided with a first bevel face ...

Shade and Camera Module Having Same

A shade for a camera module is disclosed. The shade includes an optical aperture; a deformed portion extending outward from a wall of the optical aperture; and a fixed portion extending outward from the deformed portion. The deformed portion includes a body and a plurality of notches communicating with the optical aperture, and the notches pass through an upper surface and a lower surface of the shade. 1. A shade including:an optical aperture;a deformed portion extending outward from a wall of the optical aperture;a fixed portion extending outward from the deformed portion; wherein the deformed portion includes a body and a plurality of notches communicating with the optical aperture; the notches pass through an upper surface and a lower surface of the shade.2. The shade as described in claim 1 , wherein the notch has a first cutting surface claim 1 , a second cutting surface separated and opposite to the first cutting surface claim 1 , and a connecting surface between the first cutting surface and the second cutting surface; a first angle θ1 is formed between the first cutting surface and the second cutting surface claim 1 , and the first angle meets the condition 0°≦θ1<180°.4. A camera module including:a lens barrel having a first barrel wall forming an optical aperture, a second barrel wall extending perpendicularly from the first barrel wall, and an accommodation space formed by the first barrel wall and the second barrel wall; [ a first optical aperture;', 'a deformed part extending outwardly from a boundary wall of the first optical aperture, the first deformed part including a first body and a plurality of first notches communicated with the first optical aperture and passing through an upper and a lower surfaces of the first shade;', 'a first fixed portion extending outwardly from and non-coplanar with the first deformed part;, 'a first shade having, in an order from an object side to an image side, a second optical aperture;', 'a second deformed part ...

Image Lens

An imaging lens is disclosed and has an optical axis. The image lens includes a lens barrel having a lens barrel wall arranged around the optical axis and forming an accommodation space; an imaging module including a plurality of near object units and near image units separated from each other and arranged in an order from an object side to an image side in the accommodation space; and a spacing part sandwiched between the near object units and the near image units. The spacing part includes a first reflecting surface facing the near image units and a second reflecting surface connected with the first reflecting surface, the light from the near image units is reflected two times by the first reflecting surface and the second reflecting surface. 1. An imaging lens having an optical axis , including:a lens barrel having a lens barrel wall arranged around the optical axis and forming an accommodation space;an imaging module including a plurality of near object units and near image units separated from each other and arranged in an order from an object side to an image side in the accommodation space;a spacing part sandwiched between the near object units and the near image units; whereinthe spacing part includes a first reflecting surface facing the near image units and a second reflecting surface connected with the first reflecting surface, the light from the near image units is reflected two times by the first reflecting surface and the second reflecting surface.2. The imaging lens as described in claim 1 , wherein the first reflecting surface is a horizontal plane and the second reflecting surface is a slope plane.3. The imaging lens as described in claim 2 , wherein an angle between the first reflecting surface and the second reflecting surface is an obtuse angle.4. The imaging lens as described in claim 2 , wherein the spacing part includes a fixing portion fixed on the lens barrel wall and an extending portion extended from the fixing portion toward the optical ...

CIRCUMFERENTIAL ANGLE ADJUSTMENT DEVICE FOR BUS BAR IN CYLINDRICAL LENS, AND LENS BARREL EQUIPPED WITH CIRCUMFERENTIAL ANGLE ADJUSTMENT DEVICE FOR BUS BAR IN CYLINDRICAL LENS

A circumferential angle adjustment device for a generatrix of a cylindrical lens, comprising: a lens holding tube which holds the cylindrical lens; an outer peripheral tube in which the lens holding tube is arranged on an inner peripheral side thereof; a cam member which is provided on an outer peripheral side of the lens holding tube and has a cam surface eccentric with respect to an axis intersecting with an optical axis of the lens holding tube, and a cam member engaging portion which is formed in the outer peripheral tube and engages with the cam member in the circumferential direction of the optical axis, wherein the lens holding tube is supported with respect to the outer peripheral tube in at least three directions at regular intervals in the circumferential direction of the optical axis. 1. A circumferential angle adjustment device for a generatrix of a cylindrical lens , comprising:a lens holding tube which holds the cylindrical lens;an outer peripheral tube in which the lens holding tube is arranged on an inner peripheral side thereof;a cam member which is provided on an outer peripheral side of the lens holding tube and has a cam surface eccentric with respect to an axis intersecting with an optical axis of the lens holding tube, anda cam member engaging portion which is formed in the outer peripheral tube and engages with the cam member in the circumferential direction of the optical axis,wherein the lens holding tube is supported with respect to the outer peripheral tube in at least three directions at regular intervals in the circumferential direction of the optical axis.2. The circumferential angle adjustment device for a generatrix of a cylindrical lens according to claim 1 , further comprising:an adjustment ring in which the outer peripheral tube is arranged on an inner peripheral side thereof; anda lens holding tube moving mechanism which moves the lens holding tube along the optical axis by rotation of the adjustment ring in the circumferential ...

LENS BODY BONDING STRUCTURE, IMAGE READING DEVICE, AND METHOD FOR BONDING LENS BODY

A first lens body and a second lens body are fixed to, using an adhesive layer, a surface of a lens fixing plate determined by intersection of a straight line in an optical axis direction and a straight line in a longitudinal direction, such that the lens fixing plate in which a lens fixing plate opening is formed in a lateral direction overlaps, when viewed in the lateral direction, at least a portion of a junction at which the first lens body and the second lens body are bonded to each other. A first adjustment member is brought into contact with the first lens body via at least one hole into which the first adjustment member is inserted A second adjustment member is brought into contact with the second lens body via at least one hole and into which the second adjustment member is inserted. 1. A lens body bonding structure at least including a first lens body of a plurality of lenses arranged linearly in a longitudinal direction and a second lens body of a plurality of lenses arranged linearly in the longitudinal direction and in which the first lens body and the second lens body are bonded to each other to align linearly along the longitudinal direction , the lens body bonding structure further comprising:a lens fixing plate that supports, on a surface determined by intersection of a straight line in an optical axis direction of the first lens body and the second lens body and a straight line in the longitudinal direction, the first lens body and the second lens body;holes that are formed in the lens fixing plate in a lateral direction intersecting the optical axis direction and the longitudinal direction so as to sandwich, when viewed in the lateral direction, a junction of the first lens body and the second lens body such that at least one of the holes is provided for each of the first lens body and the second lens body;a lens fixing plate opening that is at least one opening formed in the lens fixing plate in the lateral direction, at a position sandwiched by ...

LENS DEVICE FOR COMPENSATING ABERRATION IN THE OPTICAL SYSTEM AND THE ADJUSTMENT METHOD THEREOF

The present invention discloses a lens device suitable for the large-diameter lenses (with diameter ≥100 mm) of a vertical setup, and its adjustment method. The aberration caused by the self-gravity of lenses and the deformation generated by the clamping stress of the fixing device is compensated. 2. The adjustment method as claimed in claim 1 , wherein each of the plurality of lenses has a diameter being no less than 100 mm.3. The adjustment method as claimed in claim 1 , wherein there is a second direction opposite to the first direction claim 1 , a sequence of j for the odd-numbered groups is along the first direction claim 1 , while a sequence of j for the even-numbered groups is along the second direction and a lens in the plurality of lenses other than the 2n groups is arranged in a position being one selected from a group consisting of being located between one of the odd-numbered groups and an adjacent odd-numbered group claim 1 , between one of the even-numbered groups and an adjacent even-numbered group claim 1 , between the odd-numbered groups and the even-numbered groups claim 1 , at a starting point of the optical axis along the first direction claim 1 , and at a starting point of the optical axis along the second direction.4. The adjustment method as claimed in claim 1 , wherein the optical axis is perpendicular to a horizontal plane.6. The lens assembly device as claimed in claim 5 , wherein each of the plurality of lenses has a diameter being no less than 100 mm.7. The lens assembly device as claimed in claim 5 , wherein a pair of corresponding lenses in the plurality of lenses are symmetric lenses.8. The lens assembly device as claimed in claim 5 , wherein each of the plurality of lenses has a material property of a Young's modulus to specific gravity ratio claim 5 , and a pair of corresponding lenses in the plurality of lenses have a difference of the material properties being within ±20%.9. The lens assembly device as claimed in claim 5 , wherein ...

METHOD AND APPARATUS OF LIGHT CONTROL USING MICROLENS ARRAYS

The disclosure presents methods and apparatus of light transmission control, comprising two layers of film separated by air, wherein each film is inlaid with a convex micro-lenses array. The first film will focus incoming light through the microlens, whereas the second film contains a grid of opaque areas that will be structured to block or un-block the focal planes of light depending on the thickness of the air layer. When the light is unblocked, the micro lens array in the second film will disperse the light to the other side of the film so it appears transparent or translucent. An attached hand pump can control the thickness of the air layer. The method and apparatus to control light levels is effective, reliable, affordable, intuitive and easy to use. The films can be attached to existing surfaces provide full transparency, a dimming effect, or complete blackout. 1. A method of adding light transmission control to a light transmissive surface , comprising:providing a first layer of film on the surface;providing a second layer of film, wherein the first layer is sandwiched between the second layer and the surface;enclosing a layer of air between the first and second layers of film;wherein each layer of film is inlaid with a transparent micro-lens array;wherein every micro-lens in the first layer of film is center-aligned with a micro-lens in the second layer of film and vice versa;adjusting the thickness of the air layer to control the light transmission.2. The method of claim 1 , wherein the film is made of non-opaque material.3. The method of claim 1 , wherein the thickness of the air layer is adjusted by inflating or deflating using a pump or valve.4. The method of claim 1 , wherein the lens is a circular or cylindrical lens.5. The method of claim 2 , wherein the refractive index of the lens is higher than that of the film.6. The method of claim 5 , wherein the micro-lens is a convex lens with its focal plane tangent to the film surface facing the air layer.7. ...

Lens Device

A lens device includes a lens barrel and a plurality of lenses, wherein the lens closest to the objective side is a first lens. The first lens includes a first optical effective portion and a first peripheral portion. The first optical effective portion includes a first surface, an extending surface extending along the optical axis and a second surface connected to the extending surface, the first peripheral portion surrounds the first surface, and a height difference is formed between the first optical effective portion and the first peripheral portion. A junction of the extending surface and an objective-side surface of the first peripheral portion is not in contact with the lens barrel, and a contact surface of the first peripheral portion contacting the lens barrel is not perpendicular to the optical axis. 1. A lens device , comprising:A lens barrel; anda plurality of lenses sequentially fixed in the lens barrel from an objective side to an image side along an optical axis, wherein one of the lenses closest to the objective side is a first lens;wherein the first lens comprises a first optical effective portion and a first peripheral portion;wherein the first optical effective portion comprises a first surface, an extending surface extending along the optical axis and a second surface connected to the extending surface, the first peripheral portion surrounds the first surface, and a height difference is formed between the first optical effective portion and the first peripheral portion;wherein a junction of the extending surface and an objective-side surface of the first peripheral portion is not in contact with the lens barrel, and a contact surface of the first peripheral portion contacting the lens barrel is not perpendicular to the optical axis.2. The lens device as claimed in claim 1 , wherein the first surface faces the image side and the second surface faces the objective side claim 1 , a section of the first lens along the optical axis is higher at the ...

Universal Adjustable Lens Adapter

A universal adjustable lens adapter and rig system for smartphones, or similar electronic devices, that is modular in nature. The universal adjustable lens adapter includes a clamp mount assembly, a lens mount assembly, and a handle assembly. The clamp mount assembly provides a means for securing a smartphone, while the lens mount assembly provides a means for securing a camera lens. The clamp mount assembly includes a spring loaded first clamp and a fixed second clamp mounted to a clamp base and between which the smartphone is secured. Both the clamp mount assembly and the lens mount assembly are slidably connected to the handle assembly, such that the camera lens of any smartphone can be properly aligned with the camera lens attached to the lens mount assembly. Additionally, the handle assembly provides a means for manipulating and stabilizing the smartphone while taking pictures.

Voice Coil Motor

A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a housing disposed inside the yoke to fix the plurality of magnets; and an elastic member elastically supporting the bobbin. 1. A VCM (voice coil motor) comprising:a bobbin mounted with at least a lens;a coil block disposed at the bobbin;a housing disposed outside the bobbin and including an accommodation hole; anda magnet disposed at the accommodation hole and facing the coil block,wherein the housing includes a disengagement prevention unit inhibiting the magnet from being disengaged from the housing to a direction facing the coil block.2. The VCM of claim 1 , wherein the housing includes an upper plate and a lateral plate extended from the upper plate claim 1 , and the accommodation hole is disposed on the lateral plate claim 1 , andwherein the disengagement prevention unit is protruded from the lateral plate to both edges of the magnet in order to support each of the both edges facing the magnet.3. The VCM of claim 2 , wherein the disengagement prevention unit is brought into contact with a front surface of the magnet facing the coil block.4. The VCM of claim 2 , wherein the disengagement prevention unit is formed to a direction parallel with the upper plate.5. The VCM of claim 2 , wherein the disengagement prevention unit is formed to an axial direction of the bobbin.6. The VCM of claim 2 , wherein the disengagement prevention unit includes a first disengagement prevention unit formed in a direction parallel with the upper plate and a second disengagement prevention unit formed in an axial direction of the bobbin.7. The VCM of claim 2 , wherein the disengagement prevention unit is extended from an inner ...

OPTICAL LENS SYSTEM

An optical lens assembly includes a first lens element having a planar object-side surface and a first fitting structure disposed on a peripheral portion of an image-side surface. A second lens element has a second fitting structure disposed on a peripheral portion of an object-side surface. The first and second lens elements are engaged with each other using the first and second fitting structures. The first lens element is made of a sapphire glass or other material having a refractive index greater than 1.6. 1. An optical lens assembly comprising a plurality of lens elements aligned along an optical axis , the optical lens assembly comprising:a first lens element made of a material having a refractive index greater than 1.6, the first lens element having a planar object-side surface and a first fitting structure disposed on an image-side peripheral surface; anda second lens element having a second fitting structure disposed on an object-side peripheral surface, the first and second fitting structures being fittedly engaged with each otherwherein the planar object-side surface of the first lens element has a diameter in a range between 3 mm and 6 mm.2. The optical lens assembly of claim 1 , wherein the image-side peripheral surface of the first lens element and the object-side peripheral surface of the second lens element are planar surfaces.3. The optical lens assembly of claim 1 , wherein the first fitting structure is an annular V-shaped groove and the second fitting structure is an annular protrusion having an inverted-V shape.4. The optical lens assembly of claim 3 , wherein the annular protrusion has a flat top surface.5. The optical lens assembly of claim 3 , wherein the annular protrusion has a rounded top surface.6. The optical lens assembly of claim 1 , wherein the first fitting structure is an annular protrusion having an inverted-V shape and the second fitting structure is an annular V-shaped groove.7. The optical lens assembly of claim 1 , wherein the ...

DRIVING APPARATUS WITH TAPER SCREW AND ELASTIC DRIVING MEMBER TO DISPLACE OBJECT

A driving apparatus, which adjusts a position of a member to be driven, includes a driving member connectable with the member to be driven and made of an elastic member, a female screw that penetrates the driving member, and a taper-shaped male screw configured to be screwed into the female screw. The driving member has a cutting portion that penetrates in an axis direction of the female screw so that an inner circumference of the female screw is discontinuous, and the driving member is configured to move in an axis direction of the male screw in a state where the male screw is screwed into the female screw to displace the member to be driven in a direction orthogonal to the axis direction of the male screw. 1. A driving apparatus that adjusts a position of a member to be driven , the driving apparatus comprising:a driving member connectable with the member to be driven and made of an elastic member;a female screw that penetrates the driving member; anda taper-shaped male screw configured to be screwed into the female screw,wherein the driving member has a cutting portion that penetrates in an axis direction of the female screw so that an inner circumference of the female screw is separated into a plurality of regions and is discontinuous,wherein centers of the inner circumferences of the female screws are displaced from each other so that the inner circumferences of the separated female screws are close to each other, andwherein the driving member is configured to move the male screw in an axis direction of the male screw in a state where the male screw is screwed into the female screw to displace the member to be driven in a direction orthogonal to the axis direction of the male screw.2. The driving apparatus according to claim 1 , further comprising an adjustment device configured to apply at least one of a forced displacement or an external force to the driving member so that the inner circumferences of the separated female screws are close to each other and the ...

LENS UNIT, LENS UNIT HOLDER, PRINT HEAD, IMAGE SENSOR HEAD, IMAGE FORMING APPARATUS, IMAGE SCANNER APPARATUS

A lens unit according to an embodiment includes: lens members in each of which lenses are linearly arrayed in a longitudinal direction; at least one light block member between the lens members; engagement sections arranged in the longitudinal direction, each of the engagement sections configured to mutually engage members including the lens members and the light block member and stacked with each other; and clamp members disposed in positions corresponding to at least one of the engagement sections in the longitudinal direction and configured to clamp the stacked members. All the stacked members are fixed with each other at only one portion in the longitudinal direction. 1. A lens unit comprising:lens members in each of which lenses are linearly arrayed in a longitudinal direction;at least one light block member between the lens members in optical axes of the lenses;engagement sections arranged in the longitudinal direction, each of the engagement sections configured to mutually engage members that include the lens members and the light block member and are stacked with each other to align with the optical axes of the lenses; andclamp members disposed in positions corresponding to at least one of the engagement sections in the longitudinal direction and configured to clamp the stacked members, whereinall the stacked members are fixed at a single fixation part in the longitudinal direction.2. The lens unit according to claim 1 , wherein the fixation part is positioned in a longitudinal center portion of the lens unit.3. The lens unit according to claim 2 , whereinthe fixation part is a bonding part where an adhesive bonds all the stacked members, andthe clamp members are not positioned in the bonding part.4. The lens unit according to claim 3 , wherein the bonding part includes recesses formed on widthwise side surfaces of the stacked members claim 3 , the recesses each extending in a stacking direction of the stacked members and being to be filled with the adhesive. ...

LENS MODULE AND CAMERA MODULE INCLUDING SAME

A lens module includes a lens and a lens barrel accommodating the lens. A distance between an internal surface of the lens barrel and an optical axis varies in a circumferential direction of the lens barrel. 1. A lens module comprising:a lens; anda lens barrel accommodating the lens,wherein a distance between an internal surface of the lens barrel and an optical axis varies in a circumferential direction of the lens barrel.2. The lens module of claim 1 , wherein a portion of the internal surface of the lens barrel has an unevenness pattern.3. The lens module of claim 1 , wherein a protruding portion is formed on a portion of the internal surface of the lens barrel claim 1 , andwherein the protruding portion has a length in a direction of the optical axis and protrudes toward the optical axis.4. The lens module of claim 3 , wherein a surface of the protruding portion has a curvature.5. The lens module of claim 3 , wherein a plurality of protruding portions are provided claim 3 , and the plurality of protruding portions are formed in the circumferential direction.6. The lens module of claim 5 , wherein edge portions are respectively formed between the protruding portions of the plurality of protruding portions.7. The lens module of claim 3 , wherein the lens barrel accommodates a plurality of lenses claim 3 , and the protruding portion is formed on the portion of the internal surface of the lens barrel claim 3 , adjacent to a lens closest to an image side among the plurality of lenses.8. The lens module of claim 3 , wherein the lens barrel accommodates a plurality of lenses claim 3 , and the protruding portion is formed on the portion of the internal surface of the lens barrel disposed between respective lenses of the plurality of lenses.9. The lens module of claim 1 , wherein protruding portions and recessed portions are alternately formed on the internal surface of the lens barrel in the circumferential direction claim 1 , andwherein the protruding portions protrude ...

OPTICAL UNIT

An optical unit is provided. In the optical unit, a holder holding part is provided with a guide part determining a first center axial line that is a reference and the tube part is provided with a guided part determining a second center axial line coincided with an optical axis of the lenses. A guided part is positioned by the guide part. A circuit board holding part is provided with a positioning part with which the circuit board is abutted and at least one of the circuit board holding part and the circuit board includes a fixed part through which the circuit board is fixed to the circuit board holding part so that a position of the circuit board to the circuit board holding part is capable of being adjusted in a direction perpendicular to the first center axial line. 1. An optical unit comprising:a plurality of lenses;an imaging element which receives light transmitted through the plurality of the lenses;a circuit board on which the imaging element is mounted;a holder comprising a tube part which holds the plurality of the lenses on an inner side; anda base comprising a holder holding part in a tube shape which holds the holder on an inner side and a circuit board holding part which holds the circuit board;wherein an inner peripheral face of the holder holding part comprises a guide part which determines a first center axial line that is a reference,an outer peripheral face of the tube part comprises a guided part which determines a second center axial line coincided with an optical axis of the plurality of the lenses,the guided part is positioned by the guide part so that the first center axial line and the second center axial line are coincided with each other,the circuit board holding part comprises a positioning part with which the circuit board is abutted from an opposite side to an object side, andat least one of the circuit board holding part and the circuit board comprises a fixed part through which the circuit board is fixed to the circuit board holding ...

LENS ASSEMBLY

A lens assembly is provided, including a barrel, defining an axial direction and including an object side and an image side, an inner circumferential wall of the barrel including a stage portion extending inwardly, a first barrel side wall and a second barrel side wall, the stage portion including a first stage face facing the image side, the first barrel side wall being oblique to the axial direction and located between the first stage face and the second barrel side wall; and at least one optical member, mounted to the barrel, including a first face facing the first stage face and a first optical member side wall abutted against the first barrel side wall. 1. A lens assembly , including:a barrel, defining an axial direction, an object side, and an image side, an inner circumferential wall of the barrel including a stage portion extending inwardly, a first barrel side wall, and a second barrel side wall, wherein the stage portion including a first stage face facing toward the image side, the first barrel side wall being oblique to the axial direction and located between the first stage face and the second barrel side wall; andat least one optical member mounted to the barrel, including a first face facing the first stage face and a first optical member side wall abutted against the first barrel side wall2. The lens assembly of claim 1 , wherein the stage portion further includes a slant face which is oblique to the axial direction and oppositely arranged to the first stage face claim 1 , and a line which passes through an outer periphery of the slant face and is parallel to the axial direction is defined as a first straight line; and a point which the first barrel side wall contacts the first optical member side wall is defined as a contact position claim 1 , a line which passes through the contact position and is parallel to the axial direction is defined as a second straight line claim 1 , and a distance between the second straight line and an inner periphery of ...

Removable lenses for mobile devices with on-board camera

Disclosed in some examples are auxiliary optical systems for removably attaching to mobile devices, including mobile telephones with onboard cameras, to provide enhanced optical features. Some auxiliary optical systems can be configured to attach to multiple different types and sizes of mobile devices. Some auxiliary optical systems can be configured to attach to a mobile device that includes a protruding onboard camera. For example, in some embodiments, a retainer portion of an auxiliary optical system can comprise a region for receiving the protruding onboard camera in a clearance or friction fit.

LENS ALIGNMENT ADJUSTMENT DEVICE AND PROJECTOR EQUIPPED WITH THE SAME

Provided is a lens alignment adjustment device capable of suitably correcting an angle accuracy of an optical axis of a lens unit with respect to a projector main body. A lens alignment adjustment device is provided to a projector to retain a projection lens, and is capable of adjusting inclination of an optical axis of the projection lens with respect to the projector. The lens alignment adjustment device includes: a base plate which is retained in a predetermined posture with respect to the projector; and a lens fixing plate to which the projection lens is fixed. The lens fixing plate is rockably coupled to the base plate through intermediation of a first center pin orthogonal to an optical axis of the projection lens. First adjusting means for setting an inclination angle of the lens fixing plate with respect to the base plate about the first center pin is provided. 1. A lens alignment adjustment device , which is provided to a projector to retain a projection lens , and is capable of adjusting inclination of an optical axis of the projection lens with respect to the projector , the lens alignment adjustment device comprising:a base plate which is retained in a predetermined posture with respect to the projector; anda lens fixing plate to which the projection lens is fixed,wherein the lens fixing plate is rockably coupled to the base plate through intermediation of a first restriction shaft orthogonal to an optical axis of the projection lens, andwherein first adjusting means for setting an inclination angle of the lens fixing plate with respect to the base plate about the first restriction shaft is provided.2. The lens alignment adjustment device according to claim 1 ,wherein the base plate and the lens fixing plate are formed into a substantially rectangular shape having opening portions at respective centers to which a part of the projection lens is loosely fitted, andwherein a support member configured to retain the first restriction shaft is provided on a ...

LENS MODULE

The present disclosure provides a lens module comprising a lens barrel, a lens received in the lens barrel, and a pressure ring configured for fixedly holding the lens in the lens barrel, wherein, the lens barrel comprises a primary barrel wall and a secondary barrel wall extending from a end of the primary barrel wall to an optical axis and forming a light through hole, wherein, the primary barrel wall comprises a first annular groove disposed on an inner wall adjacent to the lens, the lens fits with the first annular groove to form a pressure ring position, and the pressure ring is partly received in the pressure ring position. Compared with related art, the lens module provided by the present disclosure has higher reliability. 1. A lens module comprising a lens barrel , a lens received in the lens barrel , and a pressure ring configured for fixedly holding the lens in the lens barrel , wherein , the lens barrel comprises a primary barrel wall , and a secondary barrel wall extending from an end of the primary barrel wall to an optical axis of the lens module and forming a light through hole , wherein ,the primary barrel wall comprises a first annular groove disposed on an inner wall adjacent to the lens, the lens fits with the first annular groove to form a pressure ring position, and the pressure ring is partly received in the pressure ring position.2. The lens module according to claim 1 , wherein the pressure ring comprises a pressure ring body portion and a pressure ring extending portion formed by extending from a periphery of an object side surface of the pressure ring body portion in a direction away from an image side of the lens module claim 1 , and the pressure ring extending portion is received in the pressure ring position.3. The lens module according to claim 2 , wherein the first annular groove comprises a first surface perpendicular to the secondary barrel wall and a second surface extending from an end of the first surface adjacent to an object ...

PORTABLE ELECTRONIC DEVICE, CAMERA MODULE, AND LENS ASSEMBLY

A lens assembly includes a lens including an optical portion refracting light and a flange portion extended along a periphery of at least a portion of the optical portion, and a lens barrel accommodating the lens. The lens includes a first D-cut portion on one side surface of the flange portion spaced apart from the lens barrel and a second D-cut portion on another side surface of the flange portion spaced apart from the lens barrel, wherein the first D-cut portion and the second D-cut portion each include first inclined surfaces, and the first inclined surfaces are spaced apart from respective ends of the first D-cut portion and the second D-cut portion by a predetermined interval. 1. A lens assembly comprising:a lens including an optical portion refracting light and a flange portion extended along a periphery of at least a portion of the optical portion; anda lens barrel accommodating the lens,wherein the lens is formed of plastic,wherein the lens comprises a circular arc portion on a first side surface of the flange portion, a circular arc portion on a second side surface of the flange portion, a first D-cut portion on a third side surface of the flange portion and a second D-cut portion on a fourth side surface of the flange portion,wherein the circular arc portions are in contact with the lens barrel, and the first and second D-cut portions are spaced apart from the lens barrel, andwherein the first D-cut portion and the second D-cut portion each include first inclined surfaces.2. The lens assembly of claim 1 , wherein the first inclined surfaces are spaced apart from respective ends of the first D-cut portion and the second D-cut portion by a predetermined interval.3. The lens assembly of claim 1 , further comprising planarized surfaces between the first inclined surface and the end of the first D-cut portion claim 1 , and between the first inclined surface and the end of the second D-cut portion.4. The lens assembly of claim 1 , further comprising a first rib ...

POSITIONING UNIT AND APPARATUS FOR ADJUSTMENT OF AN OPTICAL ELEMENT

The disclosure provides a positioning unit for an optical element in a microlithographic projection exposure installation having a first connecting area for connection to the optical element, and having a second connecting area for connection to an object in the vicinity of the optical element. 1. (canceled)2. An apparatus having an optical axis , the apparatus comprising:an external holder; anda first adjustment device configured to connect an optical element and the external holder, the first adjustment device having at least a first translational degree of freedom and first and second rotational degrees of freedom, the first adjustment device comprising:a foot part on the external holder;a head part; anda center part configured to connect to the optical element via the head part, the first adjustment device has a local coordinate system with a first local axis located on a connection line between the center part and the foot part;', 'the first local axis of the first adjustment device is parallel or inclined with respect to the optical axis of the apparatus;', 'a second local axis of the local coordinate system of the first adjustment device is perpendicular to the first local axis of the local coordinate system of the first adjustment device;', 'the second local axis of the local coordinate system of the first adjustment device is perpendicular to the optical axis of the apparatus even if the first local axis of the local coordinate system of the first adjustment device is inclined with respect to the optical axis of the apparatus;', 'the first translational degree of freedom is along a third axis of the local coordinate system of the first adjustment device, or the first translational degree of freedom is along an axis parallel to the third axis of the local coordinate system of the first adjustment device;', 'the third axis of the coordinate system of the first adjustment device is perpendicular to the first and second axes of the coordinate system of the ...

OPTICAL DEVICE PROVIDED WITH ZOOMING MECHANISM

An optical device, such as a lens or a light quantity adjusting member, which, even in a specification with a long extension stroke thereof, can avoid an increase in the size of the optical device and can also reduce the start-up time without damaging components in the optical device. An extracting section, a convex section, and a concave section are formed in a fixing member side by side in an optical axis direction. A flexible board is extracted from the extracting section. The convex section is located on an image surface side of the extracting section and formed to project to an inner diameter side from the extracting section. The concave section is located on an image surface side of the convex section and formed to be recessed to an outer diameter side of the extracting section. While the optical device is shifting into an accommodated state, the flexible board is brought into contact with at least a part of the convex section, and a first bending portion of the flexible board is made to project to an inner diameter side thereof, and the second bending portion of the flexible board is accommodated in the concave section. 1. An optical device comprising:a holding member configured to hold an optical member and to be movable in an optical axis direction of the optical member;a fixing member arranged on an outer diameter side of the holding member; andan electrical unit connected to a flexible board and configured to be movable in the optical axis direction, in the same manner as the holding member,wherein at least a part of an extracting section, a convex section, and a concave section are formed in the fixing member side by side in the optical axis direction,the flexible board is extracted from the extracting section,the convex section is located on an image surface side of the extracting section and formed to project to an inner diameter side from the extracting section,the concave section is located on an image surface side of the convex section and formed to ...

IMAGING LENS MODULE AND ELECTRONIC DEVICE

An imaging lens module includes an imaging lens assembly, an image sensor and a plastic lens barrel. The image sensor is disposed on an image side of the imaging lens assembly and has an image sensing surface through which an optical axis of the imaging lens assembly passes. The plastic lens barrel includes an object-end portion, a bottom portion, a first inner hole portion and a second inner hole portion. An object-end surface of the object-end portion faces towards an object side direction of the imaging lens assembly. A tapered surface of the object-end portion is tapered off towards the object-end surface. The bottom portion is located on an image side of the object-end portion. The imaging lens assembly is disposed in the first inner hole portion. The second inner hole portion located on an image side of the first inner hole portion and includes an optical aligning structure. 1. An imaging lens module , comprising:an imaging lens assembly, having an optical axis;an image sensor, wherein the image sensor is disposed on an image side of the imaging lens assembly, the image sensor has an image sensing surface facing towards the imaging lens assembly, and the optical axis passes through the image sensing surface; and{'claim-text': ['an object-end portion, having an object-end surface and at least one tapered surface, wherein the object-end surface faces towards an object side direction of the imaging lens assembly, and the at least one tapered surface is tapered off towards the object-end surface;', 'a first inner hole portion, wherein the imaging lens assembly is disposed in the first inner hole portion; and', 'an optical aligning structure, disposed close to the image sensor rather than the imaging lens assembly does thereto;'], '#text': 'a plastic lens barrel, accommodating the imaging lens assembly and comprising:'}wherein a relative position between the image sensing surface and the imaging lens assembly is aligned by the optical aligning structure;wherein the ...

INTEGRATED OPTICAL ASSEMBLY AND MANUFACTURING THE SAME

An integrated optical assembly comprises an optics mount, an optical element comprising material that is optically transparent, the optical element molded in the optics mount, and an optical aperture wherein the optical aperture is secured in fixed position with respect to the optics mount and the transparent optical element. 183.-. (canceled)84. A method of fabricating an integrated optical assembly comprising:providing an optics mount comprising an opaque material, said optics mount being tubular in shape and having a first end and a second end and a middle region therebetween, said optics mount having an inner sidewall defining a hollow inner pathway from said first end, through said middle region, and to said second end, said inner sidewall having a cross-section at each of said first and second ends and said middle region, said optics mount having a longitudinal axis extending along a longitudinal direction of said housing through said cross-sections at said first and second ends and said middle region,forming a first optical element in said optics mount, said first optical element comprising material that is optically transparent to infrared light, visible light, or both such that said first optical element is transparent to infrared light, visible light, or both, said first optical element disposed in said optics mount, said first optical element having a perimeter that fits within said optics mount against said inner sidewall, the first optical element contacting the optics mount at an interface between the perimeter of said first optical element and the inner sidewall of said optics mount such that the optical element is held securely in the optics mount, wherein at the interface, the optically transparent material is in direct contact with the first material; andsecuring a second optical element in fixed position with respect to said optics mount and said first optical element on one side of said first optical element that is closer to one of said first or ...

LENS AND LENS MODULE INCLUDING THE SAME

The present disclosure relate to the field of optical imaging technologies, and discloses a lens and a lens module including the same. The lens includes: an optical portion located at a central position; a bearing portion surrounding the optical portion; and a reinforcing portion embedded in the bearing portion and configured to reinforce the bearing portion. The reinforcing portion is annular. The bearing portion includes an object-side surface close to an object side and an image-side surface opposite to the object-side surface. The reinforcing portion is located between the object-side surface and the image-side surface in a direction parallel with an optical axis. The lens and the lens module including the lens provided by the present disclosure can enhance the ability to resist deformation of the lens, thereby improving the yield of the lens module. 1. A lens , comprising:an optical portion located at a central position;a bearing portion surrounding the optical portion; anda reinforcing portion embedded in the bearing portion and configured to reinforce the bearing portion,wherein the reinforcing portion is annular; the bearing portion comprises an object-side surface close to an object side and an image-side surface opposite to the object-side surface;and the reinforcing portion is located between the object-side surface and the image-side surface in a direction parallel with an optical axis.2. The lens as described in claim 1 , wherein the bearing portion further comprises a peripheral surface connecting the object-side surface with the image-side surface claim 1 , a recessed portion recessed from the peripheral surface towards the optical axis is provided on the bearing portion; and the reinforcing portion is fixed in the recessed portion.3. The lens as described in claim 2 , wherein the reinforcing portion comprises a first surface claim 2 , a second surface claim 2 , an inner side surface and an outer side surface; the first surface and the second surface ...

LIGHT SHADING PLATE AND LENS MODULE INCLUDING THE SAME

The present disclosure relate to the field of optical imaging technologies, and provides a light shading plate and a lens module including the same. The light shading plate includes: a body for fixedly shading light; and a light shading arm for shading light. The body includes an object-side surface close to an object side, an image side surface opposite to the object-side surface, and an inner peripheral surface connecting the object-side surface with the image-side surface and being close to an optical axis. The light shading arm extends from the inner peripheral surface in a direction facing towards an optical axis. The light shading plate and the lens module including the light shading plate provided by the present disclosure can prevent stray light and light leakage, reduce production cost, and improve optical performance and stability of the lens module. 1. A light shading plate , comprising:a body for fixedly shading light; anda light shading arm for shading light,wherein the body comprises an object-side surface close to an object side, an image side surface opposite to the object-side surface, and an inner peripheral surface connecting the object-side surface with the image-side surface and being close to an optical axis; and the light shading arm extends from the inner peripheral surface in a direction facing towards an optical axis.2. The light shading plate as described in claim 1 , wherein the light shading arm comprises a first light shading arm and a second light shading arm; the first light shading arm is provided on an edge of the inner peripheral surface close to the object-side surface; and the second light shading arm is provided on an edge of the inner peripheral surface close to the image-side surface.3. The light shading plate as described in claim 2 , wherein the first light shading arm comprises a first surface close to the image side claim 2 , a second surface opposite to the first surface claim 2 , and a first end surface extending ...

Optical lens and optical camera lens

The present disclosure relates to the field of optical imaging technologies, and provides an optical lens and an optical camera lens. The optical lens includes an optical portion located at a central position; and a peripheral portion surrounding the optical portion and including an object-side surface facing towards an object side, an image-side surface facing towards an image side, and a side surface connecting the object-side surface with the image-side surface. The side surface includes a circumferential surface extending along a circumferential direction surrounding the optical portion, and a lens facet connected to the circumferential surface. The peripheral portion is provided with a bearing portion. The bearing portion is close to the circumferential surface and spaced apart from the circumferential surface. The present disclosure further provides an optical camera lens including the optical lens.

CAMERA LENS MODULE

The present disclosure relates to the field of optical image technologies, and provides a camera lens module. The camera lens module includes: a lens barrel including a first barrel wall extending in a horizontal direction and a second barrel wall bent and extending from the first barrel wall; a lens module including at least a first lens and a second lens, the first lens and the second lens being received in the lens barrel sequentially from an image side to an object side; and a light shading sheet provided in the lens barrel and sandwiched between the first lens and the second lens. The second lens includes an optical portion located at a central position and a peripheral portion surrounding the optical portion, and the light shading sheet is embedded in the peripheral portion and fixed to the peripheral portion. 1. A camera lens module , comprising:a lens barrel comprising a first barrel wall extending in a horizontal direction and a second barrel wall bent and extending from the first barrel wall;a lens module comprising at least a first lens and a second lens, the first lens and the second lens being received in the lens barrel sequentially from an image side to an object side; anda light shading sheet provided in the lens barrel and sandwiched between the first lens and the second lens,wherein the second lens comprises an optical portion located at a central position and a peripheral portion surrounding the optical portion, and the light shading sheet is embedded in the peripheral portion and fixed to the peripheral portion.2. The camera lens module as described in claim 1 , wherein the peripheral portion comprises an object-side surface facing towards the object side claim 1 , an image-side surface facing towards the image side claim 1 , and a side surface connecting the object-side surface with the image-side surface claim 1 , and the light shading sheet is embedded in the object-side surface.3. The camera lens module as described in claim 2 , wherein the ...

COMPOSITE COMPONENT MADE OF OPTICAL COMPONENTS, METHOD FOR PRODUCING A COMPOSITE COMPONENT AND DEVICE COMPRISING AN OPTICAL COMPONENT

A composite component, a device, and method for producing the composite component including a plurality of optical components, a removable sacrificial layer, a retaining structure and a common intermediate carrier are provided, wherein the optical components each have an optical element for shaping a light beam and the sacrificial layer is arranged in the vertical direction at least in places between the intermediate carrier and the optical components. The retaining structure includes retaining elements, wherein the retaining structure and the sacrificial layer form a mechanical connection between the intermediate carrier and the optical components. The optical components are mechanically connected to the intermediate carrier only via the retaining structure, wherein the retaining elements are formed in such a way that under mechanical load they release the optical components so that the optical components are formed to be detachable from the intermediate carrier and thus transferable. 1. A method of producing a plurality of transferable optical components on a common intermediate carrier , wherein the optical components are configured to shape a light beam and wherein a retaining structure having a plurality of retaining elements forms a mechanical connection between the intermediate carrier and the optical components , comprising the following steps:attaching or forming a plurality of optical components on the intermediate carrier, wherein a sacrificial layer is arranged in the vertical direction at least in places between the intermediate carrier and the optical components; andremoving the sacrificial layer, as a result of which the optical components are mechanically connected to the intermediate carrier only via the retaining structure, wherein the retaining elements release the optical components under mechanical load, so that the optical components are formed to be detachable from the intermediate carrier and thus transferable.2. A composite component having ...

LENS MODULE AND LENS MOUNT

A lens module includes a lens mount, at least one lens, and a positioning ring. The lens mount is cylinder-shaped and has a first end and a second end along an axial direction. The inner peripheral face of the lens mount has a positioning section near the first end. The lens is arranged inside the lens mount. The positioning ring is arranged inside the lens mount, and an outer peripheral face thereof is positioned to the positioning section of the lens mount to prevent the lens from falling out. At least one of the positioning section and the outer peripheral face is formed with at least one threaded groove. The threaded groove extends around the axial direction. An end of the threaded groove near the first end is open for being injected with an adhesive for an engagement between the positioning ring and the lens mount. 1. A lens module , including:a lens mount, being cylinder-shaped and having an inner peripheral face, a receiving space being enclosed by the inner peripheral face, the lens mount having a first end and a second end along an axial direction, the inner peripheral face having a positioning section near the first end;at least one lens, arranged in the receiving space, an outer peripheral face of the at least one lens contacting the inner peripheral face of the lens mount;a positioning ring, arranged in the receiving space, an outer peripheral face of the positioning ring being positioned to the positioning section of the lens mount to prevent the at least one lens from falling out from the first end of the lens mount;wherein at least one of the positioning section and the outer peripheral face of the positioning ring is formed with at least one threaded groove, the at least one threaded groove extends around the axial direction of the lens mount, an end of the at least one threaded groove near the first end is open for being injected with an adhesive for an engagement between the outer peripheral face of the positioning ring and the inner peripheral ...

Lens module and lens mount

A lens module includes a lens mount, at least one lens, and a positioning ring. The lens mount has a first end and a second end along an axial direction, and the inner peripheral face thereof has a positioning section near the first end. The lens and the positioning ring are arranged inside the lens mount. An outer peripheral face of the positioning ring is connected to the positioning section to prevent the lens from falling out. An end of one of the positioning section and the outer peripheral face of the positioning ring near the first end is formed with at least one groove which is open toward the first end for injecting with adhesive. An axial length of the groove is smaller than an axial length of the outer peripheral face of the positioning ring.

PLASTIC LENS BARREL, IMAGING LENS MODULE AND ELECTRONIC DEVICE

A plastic barrel, which surrounds a central axis, includes an object-side portion and a tubular portion. The object-side portion includes an object-side opening and a reverse inclined structure. The reverse inclined structure surrounds the object-side opening and includes a reverse inclined surface and at least one annular concave structure. The at least one annular concave structure is disposed on an object side of the reverse inclined surface and recessed from the object-side opening along a direction away from the central axis, wherein a sectional surface of the at least one annular concave structure passing through the central axis includes a valley point and two concave ends, and the two concave ends are disposed on an object side and an image side of the valley point, respectively. The tubular portion is connected to the object-side portion and extends to the image side. 1. A plastic barrel , which surrounds a central axis , comprising: an object-side opening being a smallest opening of the plastic barrel; and', a reverse inclined surface gradually expanding from the object-side opening toward an image side; and', 'at least one annular concave structure disposed on an object side of the reverse inclined surface and recessed from the object-side opening along a direction away from the central axis, wherein a sectional surface of the at least one annular concave structure passing through the central axis comprises a valley point and two concave ends, and the two concave ends are disposed on an object side and an image side of the valley point, respectively; and, 'a reverse inclined structure surrounding the object-side opening and comprising], 'an object-side portion, comprisinga tubular portion connected to the object-side portion and extending to the image side;wherein the valley point is located on a position farthest from the central axis on the at least one annular concave structure; [{'br': None, 'i': a', 'a, '0.05<1/2<0.95; and'}, {'br': None, '0.9 mm<ψ<3 ...

LIGHT BLOCKING MEMBER, LENS ASSEMBLY AND IMAGING LENS

A light blocking member includes a first surface, a second surface, an outside surface and an inside surface. The first surface includes a first asymmetric opening. The second surface includes a second asymmetric opening corresponding to the first asymmetric opening. The outside surface disposed between the first surface and the second surface includes a cutting portion and an arch portion. The cutting portion connects the first asymmetric opening and the second asymmetric opening. The inside surface is disposed between the first surface and the second surface. A virtual curved surface is formed between two ends of the cutting portion, and a virtual line is formed between a central point of the virtual curved surface and a central axis of the light blocking member. Two shapes of both of the first asymmetric opening and the second asymmetric opening with respect to two sides of the virtual line are asymmetric. 19.-. (canceled)10. A lens assembly , comprising:a first lens element comprising a first axial assembling surface;a second lens element comprising a second axial assembling surface, wherein the second axial assembling surface is for assembling the first lens element and the second lens element to align a center of the first lens element and a center of the second lens element; anda light blocking member disposed between the first lens element and the second lens element, the light blocking member comprising:a first surface with a central hole, the first surface comprising a first asymmetric opening;a second surface with a central hole, the second surface being corresponding to the first surface and comprising a second asymmetric opening corresponding to the first asymmetric opening;an outside surface disposed between the first surface and the second surface, comprising:a cutting portion connecting the first asymmetric opening and the second asymmetric opening; andan arch portion connecting an edge of the first surface and an edge of the second surface, and ...

AUXILIARY OPTICAL SYSTEMS FOR MOBILE DEVICES

Some embodiments disclosed herein relate to an auxiliary optical device having one or more optical components, such as lenses, attached to a retainer portion. The retainer portion is configured to removably attach to mobile electronic devices such as mobile phones, tablet computers, media players, and the like. The retainer portion may include a movable mounting portion that achieves or maintains a substantially parallel orientation with respect to a face of a mobile electronic device even when a sidewall of the retainer portion is not parallel with respect to the face. An optical component may be mounted to the mounting portion, and movement of the mounting portion can facilitate a parallel orientation of the optical axis of the optical component with respect to an optical axis of an onboard camera of the mobile device. 1. An auxiliary optical device configured to be removably attachable to a mobile electronic device having an onboard camera positioned on a face , the auxiliary optical device comprising:a retainer portion configured to removably attach to the mobile electronic device, wherein the retainer portion comprises a sidewall that is adjacent to and non-parallel with the face of the mobile electronic device when the retainer portion is attached to the mobile electronic device;a mounting portion coupled to the retainer portion, wherein an interior surface of the mounting portion adjacent to the face of the mobile electronic device is substantially parallel to the face of the mobile electronic device when the auxiliary optical device is removably attached to the mobile electronic device; andan optical portion coupled to the mounting portion, wherein an optical axis of the optical portion is substantially parallel with an optical axis of the onboard camera of the mobile electronic device when the auxiliary optical device is removably attached to the mobile electronic device.2. A combination of the auxiliary optical device of and the mobile electronic ...

Integrated Sensor and Lens Assembly with Post-tuning Optical Alignment

An integrated image sensor and lens assembly may include a lens barrel, a collet, and a lens mount. The lens barrel may be coupled to the collet which is coupled to the lens mount. The lens barrel and the collet may each include a fastening structure reciprocal to each other. Alternatively, the collet and the lens mount may each include a fastening structure reciprocal to each other. The optical distance between the set of lenses and the image sensor may be tuned such that the focal plane of the lenses coincides with the image plane. The fastening structures allow the lens barrel to be adjusted relative to the lens mount in order to shift the focal plane in a direction along the optical axis to compensate for focal shifts occurring during assembly/cure and/or temperature cycling. 1. An integrated image sensor and lens assembly comprising:an image sensor substrate comprising an image sensor;a lens mount affixed to the image sensor substrate and comprising a tube portion and a base portion, the tube portion having a channel and extending from the base portion in a direction of an optical axis substantially perpendicular to a focal plane;a collet comprising a body extending into the channel of the tube portion and the collet comprising a first fastening structure; anda lens barrel housing a set of lenses for directing light to the image sensor, the lens barrel having a first portion extending into the body of the collet and the lens barrel comprising a second fastening structure reciprocal to the first fastening structure,wherein the collet is affixed to the lens mount and the lens barrel is mounted to the collet via the first fastening structure and the second fastening structure, andthe first fastening structure and the second fastening structure are configured to allow the lens barrel to move relative to the lens mount and to cause a shift in the focal plane in a direction along the optical axis.2. The integrated image sensor and lens assembly of claim 1 , wherein ...

IMAGING LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE

An imaging lens assembly includes a plurality of optical elements and an accommodating assembly, wherein the accommodating assembly is for containing the optical elements. The accommodating assembly includes a conical-shaped light blocking sheet and a lens barrel. The conical-shaped light blocking sheet includes an out-side portion and a conical portion, and the conical portion is connected to the out-side portion. The conical portion includes a conical structure tapered from the out-side portion toward one of an object-side and an image-side along the optical axis. The lens barrel is disposed on one side of the conical portion. The optical elements include a most object-side optical element, a most image-side optical element and at least one optical element. The conical structure of the conical-shaped light blocking sheet is physically contacted with only one of the lens barrel, the most object-side optical element and the most image-side optical element.

LENS SUPPORT MECHANISM, AND LENS BARREL AND CAMERA PROVIDED WITH THE LENS SUPPORT MECHANISM

A lens support mechanism comprises lens group units to a substantially cylindrical rectilinear cylinder and a substantially cylindrical cam cylinder The rectilinear cylinder envelops the lens group units to and has main cam followers protruding outward in the radial direction from the outer peripheral surface, and a sub cam groove The cam cylinder has main cam grooves and a sub cam follower and is disposed on the outer peripheral side of the rectilinear cylinder The main cam grooves engage with the main cam followers and are formed substantially parallel to the sub cam groove and upon rotating relative to the rectilinear cylinder move the lens group units to back and forth in the optical axis direction. The sub cam followers project inward in the radial direction and engage with the sub cam grooves

LENS SUPPORT MECHANISM, AND LENS BARREL AND CAMERA PROVIDED WITH THE LENS SUPPORT MECHANISM

A lens support mechanism comprises lens group units to , a substantially cylindrical rectilinear cylinder , and a substantially cylindrical cam cylinder . The rectilinear cylinder envelops the lens group units to , and has main cam followers protruding outward in the radial direction from the outer peripheral surface, and a sub cam groove . The cam cylinder has main cam grooves and a sub cam follower , and is disposed on the outer peripheral side of the rectilinear cylinder . The main cam grooves engage with the main cam followers and are formed substantially parallel to the sub cam groove , and upon rotating relative to the rectilinear cylinder , move the lens group units to back and forth in the optical axis direction. The sub cam followers project inward in the radial direction and engage with the sub cam grooves