МОБИЛЬНОЕ УСТРОЙСТВО С ОПТИЧЕСКИМИ ЭЛЕМЕНТАМИ

Изобретение относится к области получения фото- и видеоизображений. Мобильное устройство снабжено модулем камеры, установленным на корпусе устройства с возможностью изменения его положения относительно корпуса. Одно из положений - экспонировочное, при котором оптические элементы сориентированы с возможностью проецирования света на светочувствительные элементы для получения изображения на сенсоре/сенсорах, второе - максимально приближенное к корпусу мобильного устройства вплотную путем складывания. Технический результат - обеспечение высококачественных изображений, особенно в условиях слабой освещенности, при сохранении малых габаритов устройства. 6 ил.

Способ перекрывания изображений в кинопроекторе без обтюратора

Оптическая система копировальных устройств для развертки и проектирования изображения оригинала на фоточувствительную пластину

Blendensteuerung in einer Einwegkamera

Imaging device having an optical image stabilizer

Imaging device having radially retracting sensor with flexible printed wiring board

An imaging device includes image sensor 13g , and a radially retracting device (see Figures 9, 22 and 23) which moves the image sensor or other component between a photographing position, on optical axis Z1, and a retracted position. A flexible printed wiring board (PWB) connects the sensor to image processing circuitry, and includes a fixed portion 31d positioned in front of the retracted position of the image sensor and a U shaped freely deformable portion, 31a, 31b and 31c. The flexible printing wiring board extends to uncover the image sensor when moved to the photographing position, i.e. no portion of the flexible wiring is in front of the sensor. The camera may have an image shake detection sensor and image stabiliser for moving the image sensor to counteract vibrations. As shown in Figure 1, optical elements such as a telescopic lens assembly may retract into the space left by the retracted, stored image sensor.

Protection of bearings in an SMA actuator assembly

Actuator assembly

An actuator assembly 4001 includes a first part 4002 and a second part 4004, and first to fourth flexure arrangements connecting the first part 4002 to the second part 4004. Each flexure arrangement includes a first portion 4052 connected to the first part 4002 and a second portion 4053 connected to the second part 4004 and a flexure 4015 between the first and second parts. First to fourth shape memory alloy (SMA) wires 4010 are connected to the first and second parts by crimp arrangements. The SMA wires provide a drive arrangement which supplies lateral forces normal to the primary axis 4009, and the flexures form a bearing arrangement 4003 which converts the lateral forces generated by the drive arrangement 4005 into tilting of the second part 4004 about the first 4011 and/or second 4012 axes.

Improvements in or relating to camera lenses

A camera housing carries an objective whose optical axis O is tiltable and/or transversely shiftable with respect to a reference line A passing centrally through an exposure window for adjusting the position of an object plane and/or eliminating perspective distortion with shots taken at certain angles. A presettable iris diaphragm and an adjoining shutter in the lens assembly of the objective are tripped, at the instant of exposure, by a deformable linkage in the shape of an articulated or flexible shaft extending generally parallel to the optical axis from the housing to the objective.

PROJECTOR AND OPTICAL SYSTEM HIEFUER

Photographische Mattscheibenkamera

Einäugige Spiegelreflexkamera

MECHANISM FOR A PHOTOGRAPHIC CAMERA ALSO IN PURCHASE ONE ON THE OTHER ADJUSTABLE ONE OBJECTIVE AND IMAGE CARRIERS.

RECEIVING DEVICE IMAGE AND ADJUSTMENT OF SHARPNESS OF IMAGES BASED ON VARIABLE CURVATURE MATRIX AND INNER ZOOM

Dual voice coil motor structure in a dual-optical module camera

DARKROOM HAS MULTIPLE IMAGES

LENS DRIVING DEVICE, AND MANUFACTURING METHOD OF LENS DRIVING DEVICE

Lens barrel assembly

듀얼 광학 모듈 카메라의 듀얼 보이스 코일 모터 구조체

... 풋프린트가 감소되고 상호 자기 간섭이 감소된 듀얼 광학 모듈 오토 포커스(AF : Auto-focus) 또는 AF에 광학 이미지 안정화(OIS : optical image stabilization)가 더해진 카메라가 제공된다. 일부 AF 카메라 또는 AF + OIS 카메라에는 2개의 렌즈 배럴을 일제히 움직이는 단일 AF 작동 어셈블리가 포함될 수 있다. 일부 AF 카메라 또는 AF + OIS 카메라는 2개의 AF 작동 서브 어셈블리와 각 렌즈 배럴의 독립적인 AF 작동을 위한 관련 자석을 구비할 수 있고, 이 자석은 하나의 AF 작동 서브 어셈블리에 대한 다른 AF 작동 서브 어셈블리의 자기 간섭을 취소하는 방식으로 공유되며, 이로써 2개의 렌즈 배럴이 근접하게 위치되어 부품 및 제조 비용을 절약할 수 있다.

렌즈 구동 장치, 및 이를 포함하는 카메라 모듈 및 광학 기기

... 실시 예는 개구를 갖는 몸체와 몸체로부터 돌출되는 제1 기둥부, 제2 기둥부, 제3 기둥부, 및 제4 기둥부를 포함하는 베이스, 몸체 상에 배치되는 보빈, 보빈에 배치되는 코일, 제1 기둥부와 제2 기둥부 사이에 배치되는 제1 마그네트, 제3 기둥부와 제4 기둥부 사이에 배치되는 제2 마그네트, 보빈의 하부와 베이스에 결합되는 하부 탄성 부재; 및 보빈의 상부와 제1 내지 제4 기둥부들과 결합하는 상부 탄성 부재를 포함하고, 하부 탄성 부재는 베이스의 제1 내지 제4 기둥부들 내측에 위치하고, 하부 탄성 부재는 제1 기둥부와 제1 기둥부와 인접하는 제4 기둥부 사이에서 베이스와 결합된다.

LENS BARREL ASSEMBLY

Embodiments of the present invention relates to a lens barrel assembly, more particularly, to a lens barrel assembly which comprises: a barrel having a hollow cylindrical shape and an opening which forms a protruding part toward an inner wall; a first yoke which is connected to the opening; a magnet which has a shorter length than the first yoke, is attached to the first yoke and is connected with the protruding part; a second yoke arranged inside of the barrel to face the magnet; a frame having a through-hole where the second yoke passes through and arranged to be movable along a direction of an optical axis inside the barrel; a coil combined with the frame to generate magnetic field when electricity is applied; and a lens combined with the frame. COPYRIGHT KIPO 2016 ...

ACTUATOR AND DRIVING APPARATUS OF CAMERA MODULE

According to an embodiment of the present invention, an actuator of a camera module comprises: a magnetic body; a driving coil arranged to face the magnetic body; and a driving apparatus providing a driving circuit connected to the driving coil to selectively provide either a first control signal or a second control signal to the driving circuit according to a driving method. The driving apparatus can compare a level of a control signal of in a next driving method with a level of a control signal in a previous driving method when the driving method is switched. COPYRIGHT KIPO 2018 (232) Driving method determination unit (233a) First control signal generation unit (233b) Second control signal generation unit (234) Driving circuit unit ...

ACTUATOR ASSEMBLY

A shape memory alloy actuator assembly comprising: a support, wherein a first plane is defined with reference to the support; a movable part movable relative to the support along at least two different non-parallel directions in the first plane; plural units of shape memory alloy wire, each unit connected between the movable part and the support so as to be capable of being driven to produce movement in the at least two directions without applying any net torque to the movable part in the first plane; wherein at least one of the units comprises a series of two or more lengths of shape memory alloy wire including a first length and a second length, wherein the first and second lengths are orientated at a non-zero angle relative to each other and are coupled to each other such that, when the unit is driven, contraction of the first length causes a displacement of the second length that provides a contribution to movement of the movable part that is in addition to the contribution provided ...

CAMERA MODULE

A camera module includes: a housing in which a lens module is accommodated; and a shake correction portion including first and second movable yokes mounted on the lens module and first and second coil portions disposed to oppose the first and second movable yokes, respectively. The first coil portion is configured to attract the first movable yoke in response to power being applied to the first coil portion. The second coil portion is configured to attract the second movable yoke in response to power being applied to the second coil portion.

PHOTOGRAPHIC LENS DRIVE CONTROL APPARATUS, DRIVE CONTROL METHOD FOR SAME, AND IMAGING APPARATUS INCLUDING SAME

A photographic lens drive control apparatus according to the present invention includes a cap detection section which determines that a lens cap is attached to a lens barrel when a lens barrel movement detection section does not detect movement amount of the lens barrel while a lens barrel drive section allows the lens barrel to move from a contained position to a standby position; and a cap detection control section which performs a series of control over the lens barrel drive section to move the lens barrel from the contained position to the standby position and to stop the lens barrel from moving when the cap detection section determines that the lens cap is attached to the lens barrel, in which a cap detection area where the lens barrel moves from the contained position within a predetermined amount is set in a movement area of the lens barrel.

Lens driving device and camera device comprising same

The present embodiment relates to a lens driving device comprising: a housing comprising a first hole and a second hole; a first bobbin disposed in the first hole of the housing; a second bobbin disposed in the second hole of the housing; a first coil disposed on the first bobbin; a second coil disposed on the second bobbin; a first magnet disposed in the housing to face the first coil; a second magnet facing the second coil; and a third magnet disposed between the first coil and the second coil.

Lens driving device, camera module, and camera mounting device

An auto focus support section (13) of a lens driving device has a support body (41) and a reinforcing section (42). The support body has a fixed end (411) connected to an auto focus fixing section (12), free ends (413) connected to an auto focus movable section (11), and arms (412) connected to the fixed end and the free ends. The arms are made of an elastic material, with two hinge sections (412a, 412b) thinner than surrounding structures and axes orthogonal to the optical axis, that move together with the auto focus movable section towards the optical axis. The arms bend in opposite directions at the two hinge sections. The reinforcing sections are made of a material more rigid than the elastic material of the arms, and are disposed between the two hinge sections of the arms.

CAMERA MODULE AND PORTABLE ELECTRONIC DEVICE

A camera module includes a lens barrel, a driving coil disposed to face a target detection unit prepared on one side of the lens barrel, a driving device configured to provide a driving signal to the driving coil, and a position calculating unit including a first capacitor, configured to provide a ground for an alternating current (AC) signal to the driving coil, a second capacitor, connected to the driving coil to constitute oscillation circuit together with the driving coil, and a position calculating circuit configured to calculate a position of the lens barrel from a frequency of the oscillation circuit.

Lens Moving Apparatus

A lens moving apparatus includes a bobbin including a first coil disposed therearound, a first magnet disposed to face the first coil, a housing for supporting the first magnet, upper and lower elastic members each coupled to both the bobbin and the housing, a base disposed to be spaced apart from the housing by a predetermined distance, a second coil disposed to face the first magnet, a printed circuit board on which the second coil is mounted, a plurality of support members, which support the housing such that the housing is movable in second and/or third directions and which connect at least one of the upper and lower elastic members to the printed circuit board, and a conductive member for conductively connecting the upper and lower elastic members.

Retention mechanism, driving apparatus, and blur correction apparatus

A retention mechanism includes a fixed part including a magnet, and a movable part opposed to the fixed part. A plurality of rolling elements are provided between the fixed part and the movable part, and the movable part is movable in a plane direction. A magnetic material which forms, in combination with the magnet, a magnetic spring is provided on the movable part. The magnetic spring generates a magnetic attraction force which attracts the movable part to the fixed part. The magnetic material is extended along a direction in which magnetic poles of the magnet are arrayed.

CAMERA MODULE

A camera module device is provided. The device includes a movable body configured to accommodate a lens barrel and configured to be moved in a direction of an optical axis and in a direction perpendicular to the optical axis, a housing configured to accommodate the movable body, a first driving unit, disposed on a first surface of the movable body, and configured to generate a first driving force to move the movable body in the direction of the optical axis, a second driving unit, disposed on a second surface and a third surface of the movable body, and configured to generate driving force to move the movable body in a direction perpendicular to the optical axis, and a first sensing unit, disposed on a fourth surface of the movable body, and configured to detect a position of the lens barrel moved in a direction perpendicular to the optical axis.

LENS MOVING APPARATUS

A lens moving apparatus includes a bobbin including a first coil disposed therearound, a first magnet disposed to face the first coil, a housing for supporting the first magnet, upper and lower elastic members each coupled to both the bobbin and the housing, a base disposed to be spaced apart from the housing by a predetermined distance, a second coil disposed to face the first magnet, a printed circuit board on which the second coil is mounted, a plurality of support members, which support the housing such that the housing is movable in second and/or third directions and which connect at least one of the upper and lower elastic members to the printed circuit board, and a conductive member for conductively connecting the upper and lower elastic members.

Surgical system instrument mounting

An instrument manipulator may comprise a frame comprising an outer shell and an inner frame, the inner frame being movably coupled to the outer shell. The instrument manipulator may also include a plurality of actuator outputs protruding in a distal direction from the frame and an instrument support feature coupled to the outer shell. The instrument manipulator may further comprise a latching mechanism, the latching mechanism being configured to move the inner frame, the outer shell, or both relative to one another, so as to operably engage the plurality of actuator outputs with a plurality of actuator inputs of an instrument supported by the instrument support feature.

Methods and apparatus for optical image stabilization

Various embodiments of the present technology may provide methods and apparatus for optical image stabilization. The methods and apparatus for optical image stabilization may be integrated within an electronic device. An exemplary system may include an actuator control circuit responsive to a sensor and a feedback signal from an actuator. The actuator control circuit may be configured to calibrate a gain applied to a drive signal based on a measured displacement of the electronic device and an output signal generated by the actuator control circuit.

Optical element drive mechanism

An optical element drive mechanism is provided. The optical element drive mechanism includes an immovable part, a movable part, and a drive assembly. The movable part is connected to an optical element that includes an optical axis. The movable part is movable relative to the immovable part. The drive assembly drives the movable part to move relative to the immovable part.

MEMS actuation system

A multi-axis MEMS assembly includes: a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement, the micro-electrical-mechanical system (MEMS) actuator including: an in-plane MEMS actuator, and an out-of-plane MEMS actuator; and an optoelectronic device coupled to the micro-electrical-mechanical system (MEMS) actuator; wherein the in-plane MEMS actuator includes an electromagnetic actuator portion.

LENS DRIVING DEVICE, CAMERA MODULE, AND OPTICAL INSTRUMENT

The present embodiment relates to a lens driving device including: a first movable element including a bobbin and a first coil; a second movable element including a housing and a first magnet; a base disposed below the housing; a board including a circuit member having a second coil; an upper elastic member; and a support member, wherein the bobbin includes a first stopper and a second stopper, which overlap the second movable element in an optical axis direction and are spaced apart from each other, the housing includes side parts and corner parts formed between the side parts, a first stopper is disposed on the side of the corner parts, the second stopper is disposed on the side of the side parts, and the distance between the first stopper and the second movable element in the optical axis direction is different from the distance between the second stopper and the second movable element in the optical axis direction.

Image capturing device having parallel kinematic movement device

Die Erfindung betrifft eine Bilderfassungsvorrichtung, insbesondere fotografische Kamera, umfassend: wenigstens eine Bildwandlervorrichtung (18), die eine Bildebene (BE) festlegt, und wenigstens eine Objektiveinrichtung (12), die eine Objektivebene (OE) festlegt, wobei die Bildwandlervorrichtung (18) und die Objektiveinrichtung (12) relativ zueinander beweglich angeordnet sind; wenigstens eine der Bildwandlervorrichtung (18) zugeordnete wandlerseitige Trägeranordnung (28); wenigstens eine der Objektiveinrichtung (12) zugeordnete objektivseitige Trägeranordnung (22); wenigstens eine parallelkinematische Bewegungseinrichtung mit mehreren Streben (34; 34a), die mit ihren jeweiligen Strebenenden (35, 36; 35a, 36a) gelenkig an der wandlerseitigen Trägeranordnung (28) oder/und an der objektivseitigen Trägeranordnung (22) oder/und an einem Grundrahmen (29) der Bilderfassungsvorrichtung (10) angeordnet sind, wobei mittels der Bewegungseinrichtung translatorische Bewegungen entlang einer jeweiligen ...

LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME

ELECTRONIC DEVICE AND METHOD FOR CONTROLLING CAMERA MOTION

Mobilgerät mit optischen Elementen

Die Erfindung betrifft das Gebiet des Erzeugens von Fotobildern und Videobildern. Ein Gerät ist mit einem Kameramodul versehen, das derart am Gehäuse des Geräts installiert ist, dass die Position des Kameramoduls relativ zum Gehäuse geändert werden kann. Eine der Positionen, eine Belichtungsposition, involviert optische Elemente, die ausgerichtet sind, so dass sie in der Lage sind, Licht auf lichtempfindliche Elemente zu projizieren, um ein Bild auf einem oder mehreren Sensoren zu erzeugen; eine zweite Position involviert, mittels Faltung bündig mit und so dicht wie möglich am Gehäuse des Mobilgeräts zu sein. Die Gesamtdicke des Kameramoduls ist strukturell durch die Dicke des dicksten optischen oder lichtempfindlichen Elements begrenzt. Das Gerät enthält strukturelle Elemente zum Verarbeiten einer digitalen Repräsentation eines Bildes, das von den lichtempfindlichen Elementen erhalten wird. Das Kameramodul beinhaltet optische Elemente in der Form eines Satzes dünner Linsen und/oder Spiegel ...

Imaging device having an optical image stabilizer

An imaging device includes a guiding device (38) which guides at least one radially retractable optical element (13e), serving as part of a photographing optical system, along a guide direction between a photographing position on a common optical axis of the photographing optical system and a radially retracted position away from the common optical axis in a plane orthogonal to the common optical axis; a detector for detecting a direction and a magnitude of vibration applied to the photographing optical system; and a common actuator (70) for moving the radially retractable optical element along the guide direction to counteract the vibration in accordance with an output of the detector when the radially retractable optical element is in the photographing position, and for moving the radially retractable optical element along the guide direction between the photographing position and the radially retracted position.

Imaging device having an optical image stabilizer

PHOTOGRAPHIC FOCUSING SCREEN CAMERA

... 1413743 Focusing screen cameras SINAR AG SCHAFFHAUSEN 2 Feb 1973 [4 Feb 1972] 5360/73 Heading G2A A focusing screen camera has an image carrier 13 and a lens carrier 11, either of which can be tilted with respect to the other, with means for indicating the angle of tilt, and with a pair of marks on the screen for use as a measuring base. The camera shown has a front carrier 11 for the lens 12, and a rear carrier 13 for a film cassette. A removable frame 14 carries a focusing screen 15. Both carriers are mounted on pivots 21 so that either may be tilted, as shown, and the pivots themselves are carried by slides 22 which slide in grooved member 23 which can in turn slide along a base 24 in the manner of an optical bench. Screen 15 carries two horizontal base lines 31, 32, equidistant from the centre point 33 of the screen, and whose distance apart is designated M. Two similar vertical lines 34, 35 serve the same purpose when the screen 15 has been turned through 90 degrees for a different ...

Monocular Mirror-Reflex Camera.

... 1,163,056. Lens mountings. FRANKIE & HEIDECKE G. m. b. H. [trading as ROLLEI-WERKE FRANKIE & HEIDECKE]. Aug. 15, 1967 [Sept. 14, 1966], No. 37512/67. Heading G2A. The objective carrier 1 of a single lens reflex camera has extended side arms 2 which are slotted as at 3. Guide blocks 4 engage within the slots 3, so that the carrier 1 is guided for sliding movement along the optical axis by the guides 4. These guide blocks themselves are pivotable on a shaft 5 transverse to the optical axis, and placed as close as possible to the film plane. The pivoting movement of guides 4, and hence carrier 1, may be effected externally by a shaft 8 and pinion 7, which engages with a toothed segment fixed to the guide 4. The side arms 2 carry a rack member 9, the rack part being engageable by eccentric ribs 10 on a disc rotated by a shaft 12. Thus the racks 9, and hence the side arms 2 and the objective carrier, can be moved axially in a focusing movement.

SMA actuator assembly

ACCESSOIRE MULTIPLICATEUR DE FOCALE A DECENTREMENT POUR OPTIQUE PHOTOGRAPHIQUE

MULTIPLICATEUR DE FOCALE A DECENTREMENT OPTIQUE, A INTERCALER ENTRE UN BOITIER 1 D'APPAREIL PHOTOGRAPHIQUE ET SON OBJECTIF 2. UN ENSEMBLE OPTIQUE 3, MULTIPLICATEUR DE FOCALE, EST LOGE DANS UN CORPS 4 DONT UNE EXTREMITE COMPORTE UNE COULISSE 5 MOBILE DANS UNE GLISSIERE 6 PORTEE PAR UNE MONTURE 7 DE FIXATION DE L'OBJECTIF 2, ET DONT L'AUTRE EXTREMITE PRESENTE UNE SECONDE MONTURE 8 DE FIXATION AU BOITIER 1. APPLICATION AUX ACCESSOIRES DE MATERIEL PHOTOGRAPHIQUE POUR EVITER L'EFFET DE FUITE DES LIGNES PARALLELES.

Camera module and portable electronic device including the same

APPARATUS AND METHOD OF CONTROLLING ACTUATOR

SMA MOTOR CONTROL METHOD IN CAMERA DEVICE AND CAMERA DEVICE

The present application provides an SMA motor control method in a camera device, wherein the camera device comprises an SMA motor, an image sensor, a lens, and a controller, wherein the SMA motor comprises an SMA wire, the SMA wire is used to generate deformation to drive the lens to move, the controller is used to output pulse signals, the pulse signals include drive signals and detection signals, wherein the drive signals are used to deform the SMA wire, the detection signals are used to detect the deformation of the SMA wire, and N times the period of the pulse signals is equal to a time difference between first sampling and second sampling in correlated double sampling of the image sensor; the method comprises: the controller outputs a first detection signal at a first time; the controller outputs a second detection signal at a second time, the second detection signal has the same pulse width as the first detection signal, the first time corresponds to the first sampling, and the second ...

IMAGING MODULE

An imaging module, including a moved element; a limiting groove, arranged on a surface of the moved element; a piezoelectric element, including a movable end and a fixed end, wherein the movable end is provided with a rotating shaft, the rotating shaft is arranged in the limiting groove, the limiting groove provides a mobile space for the rotating shaft, and the movable end drives the moved element; an elastic limiting piece, one end of which is connected to the movable end of the piezoelectric element and the other end is located in the limiting groove or connected to a portion opposite to an end face of the movable end; a supporting block, configured to support and fix the piezoelectric element; and an external signal connection end, electrically connected to an electrode in the piezoelectric element.

OPTICAL ELEMENT DRIVING MECHANISM

An optical element driving mechanism is provided and includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is configured to connect a first optical element, and the first movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly in a first dimension.

Dual function projector

A projector includes a light source; a spatial light modulation device which modulates light from the light source according to an image that is written; a light diffusion device which adjusts a degree of diffusion of the light incident on the spatial light modulation device or the light emitted from the spatial light modulation device; and a light diffusion controller which controls the light diffusion device so that the light diffusion device diffuses the light when the light source starts to light up.

Multi-lens camera system and driving mechanism thereof

A driving mechanism for driving an optical element is provided, including a fixed module, a movable module, and a drive assembly disposed on the fixed module and the movable module. The drive assembly includes a magnet and a coil for moving the movable module relative to the fixed module along a first axis. Specifically, the central axis of the magnet extends through a part of the coil and is offset from the center of the coil, wherein the central axis is perpendicular to the first axis.

CAMERA MODULE

A camera module includes: an optical image stabilization (OIS) base; an OIS holder movably coupled to the OIS base in a first direction perpendicular to an optical axis, and fixedly coupled to an image sensor; and a first OIS actuator configured to shift the image sensor in the first direction. The first OIS actuator includes a first coil and a first magnet opposing each other in one of the first direction and a second direction perpendicular to the optical axis and intersecting the first direction. The first coil is disposed at one of the OIS holder and the OIS base, and the first magnet is disposed at the other of the OIS holder and the OIS base.

Actuator control apparatus and method for changing an optical path of a lens

According to an embodiment of the present invention, an actuator control apparatus comprises: an actuator changing an optical path of a lens; and a controller controlling the actuator, wherein the actuator comprises a first driver and a second driver which are arranged on a first side of a lens support member, and a third driver and a fourth driver which are arranged on a second side of the lens support member. A first distance between the first driver and the second driver is different from a second distance between the first driver and the third driver, and the first driver and the fourth driver are located in a diagonal direction with respect to each other. The controller applies a first current to the second driver and the third driver and applies a second current to the first driver and the fourth driver. When the lens is moved in a diagonal direction, an absolute value of the first current is different from an absolute value of the second current.

OPTICAL SYSTEM AND CAMERA MODULE INCLUDING SAME

A zoom optical system according to an embodiment of the present invention includes a first lens group, a second lens group, a third lens group, and a fourth lens group which are sequentially disposed in a direction from an object side to an image side, wherein the second lens group and the third lens group are movable, a total track length (TTL) is less than 20 mm, and an effective focal length (EFL) in a telephoto is greater than 25 mm.

SMA MOTOR CONTROL METHOD IN CAMERA DEVICE AND CAMERA DEVICE

This application provides a control method for an SMA motor in a photographing apparatus. The photographing apparatus includes the SMA motor, an image sensor, a lens, and a controller, the SMA motor includes an SMA wire, the SMA wire is configured to deform to drive the lens to move, the controller is configured to output a pulse signal, the pulse signal includes a drive signal and a detection signal, the drive signal is used to cause the SMA wire to deform, the detection signal is used to detect deformation of the SMA wire, and N times a pulse signal cycle is equal to a time difference between the first time of sampling and the second time of sampling in correlated double sampling of the image sensor. The method includes: The controller outputs a first detection signal in a first time; and the controller outputs a second detection signal in a second time, where a pulse width of the second detection signal is equal to a pulse width of the first detection signal, the first time corresponds ...

DEVICE AND METHOD FOR IMAGING

PROBLEM TO BE SOLVED: To enable an operator to realize an appropriate speed to move a digital camera by automatically putting the camera into a panning mode when the operator is to take pictures in a panning mode. SOLUTION: A panning mode detecting circuit 12 is supplied with angular velocities in longitudinal and lateral directions that the also supplied to a system computer 10. When the circuit 12 detects a value, which indicates an approximately constant direction on a continuous basis for more than a certain time, from either one of the angular velocities in the longitudinal and the lateral directions, it is discriminated that the operator is panning the camera intentionally and a panning mode is set. When the mode is set, a high level signal is supplied from the circuit 12 to one of the input terminals of an AND gate 18. When a progressive mode is selected from among a menu while operating an operation key group 11, a high level signal is supplied to the other input terminal of the ...

Blendensteuerung in einer Einwegkamera

Lens apparatus and camera system having the same

Acuator assemblies

A shape memory alloy SMA actuator has features to reduce bearing jitter (stiction). The actuator has a support element 50, a movable element 60, an SMA component 40 connected between the movable element and the support element to cause movement and a bearing 100 to guide the movement of the movable element 60. A controller supplies energy to the SMA component 40 to thereby cause contraction and/or relaxation of the SMA component 40 and hence movement of the moveable element 60 in a first direction The controller also controls the movable element 60 to cause it to be moving in a second direction, orthogonal to the first direction, at least whilst the movable element starts to move in the first direction. The movement in the second direction may comprise rotary oscillation. The bearings 100 may be configured such that the coefficient of static friction is substantially equal to the coefficient of dynamic friction.

In the multi-lens camera in the mobile Image on the imager

Lens barrel, lens driving apparatus, and image pickup apparatus

렌즈 구동 장치 및 이를 포함하는 카메라 모듈 및 광학 기기

... 실시 예는 상면에 배치된 홈부를 포함하는 하우징, 하우징 내측에 배치되는 보빈, 보빈에 배치되는 코일, 하우징의 홈부 내에 배치되고 코일과의 상호 유도에 따른 유도 전압을 발생하는 코일 칩, 하우징에 배치되는 마그네트, 보빈의 상부 및 하우징의 상부에 결합되는 제1 상부 스프링 및 제2 상부 스프링, 하우징 아래에 배치되는 회로 기판, 및 제1 및 제2 상부 스프링들과 회로 기판을 전기적으로 연결하는 지지 부재를 포함한다.

CAMERA MODULE AND PORTABLE ELECTRONIC DEVICE HAVING SAME

The present invention relates to a camera module and a portable electronic device having the same. The camera module comprises: a lens module having a plurality of lenses; and a reflection module arranged in front of the lens module, and changing a path of light incident to the inside to face the lens module. The reflection module includes a holder having a reflection member for changing the path of the light installed therein, and supported by a housing to be able to rotate around first and second axes. According to the present invention, the camera module can reduce a size and can minimize power consumption while having a simple structure and realizing an auto focusing (AF) function, a zoom function, an optical image stabilizer (OIS) function, etc. COPYRIGHT KIPO 2018 ...

Camera module

OIS MODULE ASSEMBLING KIT FOR CAMERA

CAMERA MODULE WITH OPTICAL IMAGE STABILIZATION FUNCTION

CAMERA MODULE AND CAMERA DEVICE

The present invention relates to a camera module and a camera device. The camera module includes a blade for controlling the amount of light inputted to a lens and a wire which has a length changed according to an applied current and is connected to the blade. The blade includes an iris control module for controlling the amount of light inputted to the lens according to the length change of the wire. And, the camera module includes an AF and OIS module for moving the position of the lens left and right or up and down by controlling a current flowing in a coil in a magnetic field formed by a magnet and the magnet formed in a lens barrel mounting the lens. Accordingly, the present invention can apply an auto focusing configuration and an optical image stabilization configuration while applying an iris control configuration. COPYRIGHT KIPO 2018 ...

LENS ACTUATING DEVICE AND MANUFACTURING METHOD FOR LENS ACTUATING DEVICE

The present invention is to provide a lens actuating device and a manufacturing method thereof which can stably control a cross direction that crosses an optical axis direction. The lens actuating device includes: an operating unit which includes a lens maintaining member; a suspension wire (5) which supports the operating unit in order to move the same in a direction to cross the optical axis direction; and a base member (7) which is placed in a lower part of the operating unit. The base member (7) is formed of a synthetic resin material, and comprises: a penetration hole where the suspension wire (5) is inserted and passes; and a plating unit (7m) which is composed of a metal thin film formed at least around the penetration hole and the inner surface of the penetration hole. The bottom unit of the suspension wire (5) is soldered to the plating unit (7m). In addition, the manufacturing method for the lens actuating device comprises: a coating process of coating a solder paste on the penetration ...

Video recording system and method of high frequency detects the object

A video recording system and method of high frequency detects the object is provided. The video recording system detects dynamic objects within range of the photographic scope. Simultaneously, the system calculates relative moving direction and position of dynamic objects by the arithmetical unit and causes the shifting mechanism to control the photographic unit to capture dynamic object.

OPTICAL IMAGE STABILIZER

An Optical Image Stabilizer (OIS) system comprises three stacked frames (11, 12, 13) carrying an imaging system (14), the reciprocal movements of said frames (11, 12, 13) being translational movements orthogonal to each other and to the optical axis of the imaging system (14) and achieved and controlled by two couples of antagonistic shape memory alloy wires (16, 17).

LENS DRIVING DEVICE, CAMERA MODULE AND OPTICAL DEVICE

The present embodiment relates to a lens driving device comprising: a fixed portion; a moving portion; a bobbin; a magnet disposed on any one of the bobbin and fixed portion; a coil disposed on the other one of the bobbin and fixed portion; a support member having one end coupled to the bobbin and the other end coupled to the moving portion; and a shape memory alloy member coupled to the fixed portion and moving portion, wherein the shape memory alloy member moves the moving portion in an optical axis direction, and the coil and magnet move the bobbin about the moving portion in a direction perpendicular to the optical axis direction.

Surgical system instrument manipulator

An instrument manipulator and a robotic surgical system including an instrument manipulator are provided. In one embodiment, an instrument manipulator includes a plurality of independent actuator drive modules, each of the plurality of actuator drive modules including an actuator output, wherein each of the actuator outputs are configured to independently actuate a corresponding actuator input of a surgical instrument without force input from another actuator output. The instrument manipulator further includes a frame housing the plurality of independent actuator drive modules, the frame including a distal end from which each of the actuator outputs distally protrude for engaging the corresponding actuator inputs of the surgical instrument.

System and method for capturing, associating and distributing photographic images

A system and method for capturing and distributing digitized photographic images via an electronics communications network are provided. A subject is provided with a portable identification wireless transmitter. A digital camera coupled with a wireless receiver creates a digital photographic document and includes the identification of the user in a formatted electronic message. The document may also retain information identifying the time and locale of the creation of the image. The document is made accessible to the electronic communications network, in association with a data structure. The data structure and/or the document may be associated within an independent or additional identifier of the subject or of a third party. Information associating the subject and locale related to the origination of the image are inserted into an available data field of a standard digital image format, such as a JPEG, MPEG of GIF format.

INCREASING SENSITIVITY OF A PROBE SENSOR FOR LENS POSITION

Increases to the sensitivity of a probe magnet sensor are implemented for a camera lens. Probe magnet sensors may be located on carrier of a surface of an actuator coil to reduce the distance between the probe magnet sensor and a probe magnet mounted on an optics component that includes the camera lens. A probe magnet may be located within the camera so that the flux region of the probe magnet does not overlap with a flux region of a drive magnet for an actuator of the camera.

LENS DRIVE UNIT AND LENS BARREL COMPRISING SAME

A lens drive unit 10 comprises permanent magnets 215a and 215b, a yoke 211, and a coil 210. The yoke 211 has center yoke portions 221a and 222a, a back yoke portion 231 and a connect yoke portion that magnetically joins the center yoke portions 221a and 222a and the back yoke portion 231. The coil 210 is wound so as to surround part of the center yoke portions 221a and 222a. The height of a surface of the center yoke portions facing the permanent magnets in an orthogonal direction to the optical axis direction is such that the height near the middle part in the optical axis direction is smaller than the height near the two ends in the optical axis direction.

Image stabilizing apparatus and imaging apparatus including image stabilizing apparatus

An apparatus included in a lens barrel, includes a base member, a first lens unit which is movable in a direction perpendicular to an optical axis of the first lens, a second lens unit, attached to the first lens unit, and movable in a direction perpendicular to an optical axis of the second lens, and a plurality of rolling members sandwiched between the base member and the first lens unit, wherein a gap between the first lens unit and the second lens unit is adjustable, and wherein the gap between the first lens unit and the second lens unit is smaller and a gap between the first lens unit and the base member is larger in the photographable state as compared to the retracted state, and the rolling members do not contact the base member or the first lens unit in the retracted state.

Optical mechanism

An optical mechanism is provided, including an optical member, a reflecting element, a holder, and a housing. The optical member includes a first optical lens and a second optical lens. Light propagates into the optical mechanism in a first direction and is reflected by the reflecting element to propagate through the first and second optical lenses in a second direction. The holder supports the first and the second optical lenses, wherein the first and second optical lenses define an optical axis parallel to the second direction. The housing has a lower cover and a top cover, wherein the holder is accommodated in the housing. The first optical lens is closer to a light-entering end of the optical member than the second optical lens, and the first optical lens is larger than the second optical lens.

DUAL LENS DRIVING APPARATUS AND CAMERA MODULE

An embodiment relates to a dual lens driving apparatus including: a housing; a first bobbin disposed inside the housing; a second bobbin disposed inside the housing and positioned away from the first bobbin; a first coil disposed on the first bobbin; a second coil disposed on the second coil; a magnet disposed in the housing and positioned opposite from the first coil and second coil; a base disposed below the housing; a board disposed between the housing and the base and opposite from the magnet and including a circuit member having a third coil; and a supporting member movably supporting the housing with respect to the board. The third coil includes a first axial coil which is disposed in a first direction and a second axial coil which is disposed in a second direction different from the first direction. The first axial coil includes four first axial coil units which are positioned away from one another. The four first axial coil units are connected to one another. The second axial coil ...

Camera being equipped with a projector

Image capturing device having parallel kinematic movement device

INCLINATION ADJUSTING MECHANISM OF FRONT AND REAR GROUPS OF PHOTOGRAPHING OPTICAL SYSTEM

PURPOSE: To make parts whose working accuracy is bad usable, as well, by providing an adjusting member constituted so that one of a front group or rear group lens can be inclined centering around the photographing optical axis. CONSTITUTION: A rear group lens 1d is supported as to both its faces by a spring 11 provided between the lens and a receiving part 6c of a rear ground plate 6, and plural adjusting screws 13 screwed to a holding ring 12 fixed to another receiving part 6d. In case when the rear ground plate 6 is fixed to a camera body 14 in order to correct an inclination of the whole lens system against a film face 10, the inclination accuracy of the whole system can be satisfied by screwing said plate by use of screws 16 through a spacer 15 whose plate thickness is different. COPYRIGHT: (C)1983,JPO&Japio ...

DIAPHRAGM DRIVING DEVICE OF CAMERA

PURPOSE: To minimize the impact produced when the diaphragm drive is stopped, by securing a constitution in which the hooking of a diaphragm drive member is released when the releasing action is carried out while a charge member is rolled up and hooked and the diaphragm drive member has a going action by the going energy given by the charge member. CONSTITUTION: A diaphragm drive member 9 coupling to a diaphragm device is rotatably supported around the optical axis by means of a roller 11. A hooking pin 12a implanted to a plate spring 12 is engaged with a hooking hole 9b of the member 9. When the film is advanced under such conditions, a charge lever 14 is turned right by a film advance lever 13 to charge a drive spring 17 via the member 9. At the same time, a resetting spring 18 provided between a camera main body 3 and the spring 17 is charged to complete the film advancing action. Both springs 17 and 18 are charged by the film advancing action, and no offset is caused between the energizing ...

МОБИЛЬНОЕ УСТРОЙСТВО С ОПТИЧЕСКИМИ ЭЛЕМЕНТАМИ

... 1. Мобильное устройство с оптическими элементами, расположенными в модуле камеры, включающей один или несколько светочувствительных элементов - сенсоров, состоящих из светочувствительных пикселей, и содержащее конструктивные элементы для обработки цифрового представления изображения, полученного со светочувствительных элементов, отличающееся тем, что оптические элементы выполнены в виде набора тонких линз и/или зеркал, а модуль камеры установлен на корпусе мобильного устройства с возможностью изменения его положения относительно корпуса, одно из которых экспонировочное, при котором оптические элементы сориентированы с возможностью проецирования света на светочувствительные элементы для получения изображения на сенсоре/сенсорах, второе - максимально приближенное к корпусу мобильного устройства вплотную путем складывания, при котором общая толщина модуля камеры конструктивно ограничена толщиной наиболее толстого оптического либо светочувствительного из элементов.2. Мобильное устройство по ...

Imaging device containing flexible printed wiring board

A time-of-flight sensor system

A time-of-flight sensor system 10 comprising: an illumination source 11 for illuminating a subject 19 to which a time-of-flight is to be measured; an optical system configured to, using an at least one actuator, transition the illumination source 11 between providing spot illumination and flood illumination; and a sensor 12 comprising a sensor surface. The sensor surface is configured to sense light scattered by the subject 19 from the illumination source 12 and to provide data dependent on sensed light. The spot illumination has a spatially non-uniform intensity over the sensor surface, and the optical system is configured to move the spot illumination across at least part of the sensor surface to generate an output frame, wherein the at least one actuator comprises at least one shape memory alloy (SMA) component.

PROJECTOR AND OPTICAL SYSTEM HIEFUR

PROJEKTOR UND OPTISCHES SYSTEM HIEFUR

DARKROOM HAS MULTIPLE IMAGES

OBJECTIVE EQUIPS With a DEVICE Of COUPLING

OIS CAMERA MODULE

The present invention relates to an optical image stabilizer (OIS) camera module with OIS and auto focus features. The OIS camera module may include a lens bobbin unit, a horizontal actuator which moves the lens bobbin unit horizontally, which is perpendicular to the optical axis, and a sensor unit which detects how far the lens bobbin unit has moved horizontally through the horizontal actuator. COPYRIGHT KIPO 2015 ...

CAMERA WITH FOLDED OPTICS HAVING MOVEABLE LENS

Various embodiments include a camera with folded optics and lens shifting capabilities. Some embodiments include voice coil motor (VCM) actuator arrangements to provide autofocus (AF) and/or optical image stabilization (OIS) movement. Some embodiments include suspension arrangements.

OPTICAL SYSTEM AND CAMERA MODULE INCLUDING SAME

A zoom optical system according to an embodiment of the present invention comprises a first lens group, a second lens group, a third lens group, and a fourth lens group that are sequentially arranged from an object side to an image side, wherein the second lens group and the third lens group can move, the total track length (TTL) is less than 20 mm, and the telephoto effective focal length (EFL) is greater than 25 mm.

Image Stabilization Device

An image stabilization device is disclosed. The image stabilization device includes a first linkage assembly and a first flexible element. The first linkage assembly is disposed on a frame. The first linkage assembly includes a first linkage which is disposed in a first direction. The first flexible element is capable of pressing an optical element to the first linkage so as to make the optical element move along the first direction.

Optical electrowetting device

The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the first electrical conductive track, and wherein at least one of the body or the first layer is made of a resistive material.

Lens module and camera

A lens module includes: a lens forming an image of an object; a lens holder to hold an outer peripheral side of the lens to allow reciprocal movement in an optical axis direction of the lens; a housing at least one end side of which is opened, which includes a cylindrical receiving part having an inner surface, one surface of which, at a lateral side, contacts one surface of the lens holder at the lateral side perpendicular to the optical axis direction, and which receives the lens holder in the receiving part to allow reciprocal movement in the optical axis direction of the lens and in a sliding state; and an actuator part including a movable part which is displaced by a displacement amount corresponding to a level of an applied drive voltage and reciprocates the lens holder received in the housing between a first position and a second position in the optical axis direction.

Imaging device

An imaging device is provided that comprises a movement detection component configured to detect movement of the imaging device based on a force imparted to the imaging device, an imaging component configured to produce image data by capturing a subject image, a movement vector detection component configured to detect a movement vector based on a plurality of sets of image data produced by the imaging component, and a three-dimensional NR component configured to reduce a noise included in first image data produced by the imaging component, based on second image data produced earlier than the first image data, wherein the three-dimensional NR component is configured to decide whether to correct the second image data in response to the detection result of the movement vector detection component, based on both the detection result of the movement detection component and the detection result of the movement vector detection component.

Zoom Lens System, Interchangeable Lens Apparatus and Camera System

A zoom lens system comprising a positive first lens unit, a positive second lens unit, and at least two subsequent lens units, wherein the first lens unit moves along an optical axis at the time of zooming, an interval between the second lens unit and one of the at least two subsequent lens units varies at the time of zooming or focusing, the first lens unit is composed of at least three lens elements, each of the first lens unit and the second lens unit includes at least one negative lens element, and the conditions: 0.008<(1/vd MIN )−(1/vd MAX )<0.028 and 0.1<|m|/(f T −f W )<0.4 (vd MIN and vd MAX : minimum value and maximum value among Abbe numbers to the d-line of each lens element constituting the first lens unit, m: maximum value among the amounts of movement of each subsequent lens unit at the time of zooming, f T and f W : focal lengths of the entire system at a telephoto limit and at a wide-angle limit) are satisfied; an interchangeable lens apparatus; and a camera system are provided.

Optical system, optical apparatus equipped therewith, and method for manufacturing optical system

An optical system SL installed in a single-lens reflex camera includes, in order from an object side, a first lens group G 1 , a second lens group G 2 having negative refractive power, and a third lens group G 3 having positive refractive power. The second lens group G 2 is disposed movably in a direction including a component perpendicular to an optical axis, and a given conditional expression is satisfied, thereby providing an optical system having excellent optical performance with excellent vibration reduction performance, an optical apparatus equipped with the optical system, and a method for manufacturing the optical system.

Isolation system for an optical element of an exposure apparatus

An optical isolation assembly ( 30 ) for reducing the transmission of vibration from an optical barrel ( 25 ) to an optical element assembly ( 28 ) includes an optical mover assembly ( 256 ), a first measurement system ( 258 ), a second measurement system ( 260 ), and a control system ( 24 ). The optical mover assembly ( 256 ) moves, positions and supports the optical element assembly ( 28 ) relative to the optical barrel ( 25 ). The first measurement system ( 258 ) generates one or more first measurement signals that relate to the relative position between the optical element assembly ( 28 ) and the optical barrel ( 25 ). The second measurement system ( 260 ) generates one or more second measurement signals that relate to the absolute movement of the optical element assembly ( 28 ) along the first axis. The control system ( 24 ) controls the optical mover assembly ( 256 ) utilizing the first measurement signals and the second measurement signals.

Zoom Lens System, Imaging Device and Camera

A zoom lens system comprising: a negative first lens unit; a positive second lens unit; and a positive third lens unit, wherein the first to third lens units are individually moved along an optical axis to vary magnification in zooming, the first lens unit is composed of two lens elements and includes a positive lens element having at least one aspheric surface, the third lens unit is composed of one lens element, and the condition: 1.74<Ir/√(|D L1 ×f G1 |) (D L1 : an optical axial thickness of an object side first lens element in the first lens unit, f G1 : a focal length of the first lens unit, Ir=f T ×tan(ω T ), f T and ω T : a focal length of the entire system and a half value of maximum view angle at a telephoto limit) is satisfied; an imaging device; and a camera are provided.

Drive Unit and Drive Module

To provide a drive unit and a drive module which include a shape memory alloy as a drive source to move a driven member and are capable of the high-precision movement of the driven member to a reference position. A drive unit and a drive module can be provided by controlling, in the drive unit and the drive module which include the shape memory alloy as the drive source to move the driven member, the shape memory alloy so that the resistance of the shape memory alloy is equal to the resistance when the driven member is located at the reference position.

Linear actuator assemblies and methods of making the same

A linear actuator assembly is provided, the assembly including a linear actuator, an elongated guide spaced in parallel alignment with the linear actuator and a movable carriage disposed therebetween. The carriage includes a first notch to receive a rod of the linear actuator and a second notch to receive the guide. The carriage remains in direct and continuous contact with the linear actuator and the guide at the first notch and second notch, respectively, when the carriage moves linearly back and forth along a travel axis.

Position controller for image-stabilizing insertable/removable optical element

A position controller for an image-stabilizing optical element in a optical system includes an advancing/retracting member; an anti shake frame supported by the advancing/retracting member and movable along a plane orthogonal to the optical axis; an insertable/removable frame holding the optical element and supported by the anti-shake frame to be movable between insertion and removed positions; an anti shake drive mechanism which drives the anti shake frame to perform an image-stabilizing operation; and a removal drive mechanism which imposes no movement limitations on the anti shake frame and the insertable/removable frame in a ready-to-photograph state, and which imparts a component force that moves the insertable/removable frame to the removed position in association with the insertable/removable frame when the advancing/retracting member moves to an accommodated position.

Anti-shake structure for auto-focus modular

An anti-shake structure for auto-focus module includes an auto-focus module for driving a lens to move forward and rearward in a light incident path, i.e. in z-axis direction, so that the lens focuses light on an image sensor; a frame for holding the auto-focus module therein; a lens suspender with a compensation lens arranged thereon being connected to a plurality of suspension wires while the latter are connected at respective another end to the top cover plate of the frame, so that the compensation lens is correspondingly suspended in the frame in the light incident path and located behind the lens; and a shake compensation driving unit for driving the lens suspender to move horizontally along x-axis or y-axis direction, so as to compensate any image shift caused by hand shaking.

Camera module with threadless lens barrel engagement design

A camera module with a lens barrel containing a lens, and a lens carrier that slidably receives the lens barrel. Each of the exterior surface of the lens barrel and the interior surface of the lens carrier include a seating surface formed thereon. One of the exterior surface of the lens barrel and the interior surface of the lens carrier include a plurality of protrusions for controlling the relative position of the lens barrel and the lens carrier. The other of the exterior surface of the lens barrel and the interior surface of the lens carrier include a plurality of channels that are sized and arranged so as to slidably receive the protrusions to allow for the lens barrel to be slid into the lens carrier. The channels also each include a transverse section to allow the lens barrel to be pivoted about an optical axis of the lens barrel.

Lens holder driving device including fracture preventing member for suspension wires

A lens holder driving device includes an auto-focusing lens holder driving portion moving a lens holder holding a lens barrel along an optical axis, and an image stabilizer portion stabilizing image blurred by moving the auto-focusing lens holder driving portion in first and second directions which are orthogonal to the optical axis and which are perpendicular to each other. The image stabilizer portion includes: a fixed portion disposed apart from the auto-focusing lens holder driving portion in the direction of the optical axis; a plurality of suspension wires having first end portions fixed to the fixed portion at outer regions thereof, extending along the optical axis, having second end portions fixed to the auto-focusing lens holder driving portion, and swingably supporting the auto-focusing lens holder driving portion in the first direction and the second direction; and a fracture preventing member preventing the suspension wires from fracturing.

Imaging device and control method thereof

An imaging device moves a zoom lens, so as to change the magnification of an image of a subject, and obtains a near limit position of a focusing lens to the subject at a zoom lens position. When a target position of the focusing lens, which is required to keep the image in focus after the zoom lens is moved, is located on a near side, i.e., on an imaging plane side, of a threshold position determined based on the obtained near limit position, focus control is performed to move the focusing lens and thereby focus. When the target position of the focusing lens is not located on the near side but is located on a subject side of the threshold position, on the other hand, focus control is performed to move the zoom lens to a wider position and subsequently move the focusing lens to focus the image.

Optical equipment

Optical equipment which can prevent image blurring and enable a lens to be stopped in a position requiring low power consumption is provided. The optical equipment includes a lens driving unit supplied with electric power from a camera body to drive a focusing lens. The equipment further includes an aperture driving unit for driving an aperture and a drive control unit that positions s the focusing lens to minimize low power consumption and controls the aperture driving unit during opening of the aperture so that the focal position of the focusing lens falls within a focal depth. In this way, a lens position-control unit for controlling an AF motor can stop the lens in a position that does not cause image blur and reduces power consumption.

Zoom lens

A zoom lens includes sequentially from an object side, a first lens section G 11 having a negative refractive power and a second lens section G 12 having a positive refractive power. The first lens section G 11 includes sequentially from the object side, a negative lens L 111 , a negative lens L 112 , and a positive lens L 113 . Both surface of the negative lens L 112 are aspheric. The second lens section G 12 includes sequentially from the object side, a front group G 12F having a positive refractive power and a rear group G 12R having a positive refractive power. Both surfaces of a negative lens L 126 included in the rear group G 12R are aspheric. The zoom lens can maintain high imaging performance while achieving size reductions and wide angle views by satisfying given conditions.

Large-Aperture Zoom Lens

Wide-angle large-aperture zoom lens provides a field angle greater than 75° at the wide-angle end and a variable magnification power of 2.5 or greater, and can downsize a compensation mechanism for image blur due to hand tremors. The zoom lens includes a first lens group LG 1 of positive refractive power, a second lens group LG 2 of negative refractive power, a third lens group LG 3 of positive refractive power, and a fourth lens group LG 4 of positive refractive power, all arranged in sequence from the closest to an object to the closest to an imaging plane, and permits magnification power to vary by varying clearances between adjacent ones of the first lens group LG 1 to the fourth lens group LG 4 . Part of the lens pieces in the third lens group is moved orthogonally to the optical axis to compensate for image blur due to hand tremors.

Imaging lens and imaging device

An imaging lens includes an aperture stop, a front group arranged to the object side, and a rear group arranged to the image side, wherein image blurring correction on an image face is performed by including a lens with a positive refractive force and moving the lens with the positive refractive force as a blurring correction lens in a different direction from the optical axis. The rear group includes a lens group GrA with a positive refractive force and a lens group GrB with a negative refractive force. The blurring correction lens, the lens group GrA, and the lens group GrB respectively include one or two lenses.

Lens driving unit, and lens apparatus and image pickup apparatus including the same

A lens driver moving a lens perpendicularly to optical axis, the lens driver including: fined member; movable member holding the lens; spacer interposed therebetween with the members being movable to each other perpendicularly to optical axis; biasing unit biasing the movable member toward the fixed member; detector for detecting position of the movable member relative to the fixed member in plane perpendicular to optical axis; driver driving the movable member relative to the fixed member perpendicularly to optical axis; controller controlling the driver based on position of the movable member; and range definer defining: movable position having large movable range between the members in the perpendicular plane; and fixed position having small movable range between the members in the perpendicular plane based on rotation position about optical axis where sliding friction is generated between the spacer and one of the members, or between the driving unit and the movable member.

AUTOFOCUS CAMERA SYSTEMS AND METHODS

A method for focusing a miniature camera includes providing a current through a coil, moving a lens of a camera based on the current to adjust a focus of the camera, and limiting movement of the lens along an optical path of the camera. 1. A method , comprising:providing a current through a coil;moving a lens of a camera, based on the current, to adjust a focus of the camera; andlimiting movement of the lens to substantially rectilinear movement along an optical path of the camera.2. The method of claim 1 , whereinthe lens is coupled to a stage comprising a magnet, andthe moving comprises moving the magnet in response to the providing of the current.3. The method of claim 1 , wherein the magnet comprises a permanent magnet.4. The method of claim 2 , whereinthe limiting comprises coupling at least one of the stage and the magnet to the camera through a spring, andthe moving comprises moving the lens against a bias imparted to the lens by the spring.5. The method of claim 4 , wherein the spring is configured to return the lens to an initial position when the current is removed from the coil.6. The method of claim 1 , whereinthe lens is disposed in a barrel shaped lens holder, andthe limiting comprises limiting movement of the lens holder to substantially rectilinear movement along the optical path of the camera.7. The method of claim 6 , wherein the limiting further comprises limiting movement of the lens holder with a snubber mechanism.8. The method of claim 1 , wherein the moving comprises moving the lens relative to an imaging sensor claim 1 , and wherein the method further comprises capturing an image focused by the lens on the imaging sensor.9. The method of claim 8 , further comprising storing the image in the camera.10. The method of claim 8 , further comprising processing the image focused on the imaging sensor with a processor.11. A camera claim 8 , comprising:a coil;circuitry for passing selectable amounts of current through the coil; anda lens disposed on a ...

Zoom lens system, interchangeable lens apparatus and camera system

A zoom lens system wherein a positive lens unit located closest to an object side is fixed with respect to an image surface in zooming, a negative lens unit, among lens units located on an image side relative to an aperture diaphragm, is a focusing lens unit which moves along an optical axis in focusing, and the conditions: −1.8<f n /f W <−0.3 and 0.1<T 1 /f W <1.5 (f n : a composite focal length of the negative lens unit, T 1 : an axial thickness of the positive lens unit located closest to the object side, f W : a focal length of the entire system at a wide-angle limit) are satisfied.

PHOTOGRAPHIC OPTICAL DEVICE, PHOTOGRAPHIC OPTICAL SYSTEM AND DISTANCE VARIATION AMOUNT DETECTING DEVICE

A photographic optical device may include a reflection type optical sensor comprising a light emitting element and a light receiving element; a support body to which the reflection type optical sensor is fixed; a camera module comprising a lens and an imaging element; a shake correction mechanism structured to swing the camera module; a resistor configured to convert an output current of the light receiving element to an output voltage; a home position voltage creating means configured to create a home position voltage; a comparator configured to compare the home position voltage with a predetermined reference voltage; and a variable current source configured to control an electric current supplied to the light emitting element based on an output signal from the comparator. A relative position of the camera module with respect to the support body may be detected by the reflection type optical sensor. 1. A photographic optical device comprising:a reflection type optical sensor which comprises a light emitting element whose light emitting amount is varied depending on a supplied electric current and a light receiving element whose output current is varied depending on an amount of received light;a support body to which the reflection type optical sensor is fixed;a camera module which comprises a lens and an imaging element and is supported by the support body so as to be capable of being swung, and the camera module reflecting light from the light emitting element toward the light receiving element;a shake correction mechanism structured to swing the camera module so as to incline an optical axis of the lens with respect to the support body to correct a shake;a resistor configured to convert an output current of the light receiving element to an output voltage;a home position voltage creating means configured to create a home position voltage that is an output voltage of the light receiving element when the camera module is located at a predetermined home position or ...

IMAGE STABILIZATION APPARATUS, OPTICAL APPARATUS, AND IMAGING APPARATUS

An image stabilization unit includes a lens holder that holds a correction lens and is relatively movably provided with respect to a base member, first and second drive devices or a drive device group that drive the lens holder, and three supports that support the lens holder relative to the base member. 1. An image stabilization apparatus comprising:a correction member that corrects image blur;a base member;a movable member that holds the correction member and is relatively movably provided with respect to the base member in a predetermined direction perpendicular to an optical axis;a first drive device or a drive device group that moves the movable member in a first direction;a second drive device or a drive device group that moves the movable member in a second direction; andthree supports that support the movable member relative to the base member,wherein at least one of the three supports is provided at a position overlapping with the first drive device or the second drive device as viewed from the direction of the optical axis.2121212. The image stabilization apparatus according to claim 1 , wherein claim 1 , when the diameter of an opening claim 1 , which is required for relatively moving the movable member with respect to the base member claim 1 , provided in the base member centered on the optical axis is D and the outer diameter of the base member is D claim 1 , the first and the second drive devices are provided on the outer side of the D and the inner side of the D at opposing positions so as to sandwich any one of the three supports claim 1 , the three supports are provided on the outer side of the D and the inner side of the D claim 1 , and the centroid of the movable member is included in a triangle formed by connecting the three supports.312. The image stabilization apparatus according to claim 2 , wherein each of the three supports has ball member claim 2 , the base member comprises a sliding surface which is a surface on which the ball member ...

IMAGE STABILIZING APPARATUS, LENS BARREL, AND OPTICAL APPARATUS

An image stabilizing apparatus includes a shift member holding a lens, a first driver moving the shift member in a first direction in a plane orthogonal to an optical axis, and a second driver moving the shift member in a second direction in the plane orthogonal to the optical axis. The first driver includes a first magnet, a first coil, and a first yoke in order in an optical axis direction, the second driver includes a second magnet, a second coil, and a second yoke in order in the optical axis direction, the first yoke has a protrusion that protrudes in the first direction at least one of end portions extending in a direction orthogonal to the first direction, and the second yoke has a protrusion that protrudes in the second direction at least one of end portions extending in a direction orthogonal to the second direction. 1. An image stabilizing apparatus comprising:a shift member that holds a lens;a first driver configured to move the shift member in a first direction in a plane orthogonal to an optical axis with respect to a body; anda second driver configured to move the shift member in a second direction different from the first direction in the plane orthogonal to the optical axis with respect to the body,wherein the first driver is configured by disposing a first magnet, a first coil, and a first yoke in order in an optical axis direction,wherein the second driver is configured by disposing a second magnet, a second coil, and a second yoke in order in the optical axis direction,wherein the first yoke has a protrusion that protrudes in the first direction at least one of end portions extending in a direction orthogonal to the first direction,wherein the second yoke has a protrusion that protrudes in the second direction at least one of end portions extending in a direction orthogonal to the second direction,wherein a length of the first magnet in the first direction is smaller than a length between the end portions of the first yoke extending in the ...

Camera module and image capturing device

A camera module ( 100 ) of the present invention includes: an optical section ( 1 ) including a lens section ( 11 ); and an OIS section ( 3 ) correcting misalignment of an optical axis. The lens section ( 11 ) has an image height-optical distortion curve in which an optical distortion is a positive maximum value in an intermediate image height region and the optical distortion gradually decreases from the maximum value as an image height approaches a maximum image height.

IMAGE PICKUP APPARATUS, LENS UNIT AND CONTROL METHOD THEREFOR

The image pickup apparatus includes an image sensor operable to generate an image signal, and controller that controls communication with a mounted lens unit including an image taking optical system and generates a drive instruction to drive a focus lens of the mounted lens unit on a basis of a focus signal generated by using the image signal, the focus signal indicating a focus state of the image taking optical system. The controller sends information relating to a predetermined timing and the drive instruction to the lens unit, and receives, from the lens unit, a first signal indicating whether the focus lens is able to be moved by a movement based on the drive instruction to satisfy the predetermined timing. 1. An image pickup apparatus to which a lens unit provided with an image taking optical system including a focus lens is detachably mountable , the apparatus comprising:an image sensor operable to generate an image signal; anda controller configured to control communication with a mounted lens unit and to generate a drive instruction to drive the focus lens of the mounted lens unit on a basis of a focus signal generated by using the image signal, said focus signal indicating a focus state of the image taking optical system,wherein the controller is configured to send information relating to a predetermined timing and the drive instruction to the lens unit, and receive, from the lens unit, a first signal indicating whether the focus lens is able to be moved by a movement based on the drive instruction to satisfy the predetermined timing.2. An image pickup apparatus according to claim 1 , wherein the controller is further configured to change the focus signal to be used for producing the drive instruction depending on indication of the first signal.3. An image pickup apparatus according to claim 1 , wherein the controller is further configured to control a stopping time period to stop the focus lens after completion of its movement based on the drive ...

OPTICAL UNIT WITH SHAKE CORRECTING FUNCTION

Provided is an optical unit with shake correction function wherein it is possible to accurately swing the movable module even when a flexible wiring substrate is connected to the fixing element and movable module. In an optical unit with shake correction function (), folding portions (), the extending direction of which is reversed towards the vicinity of the swinging support point () of a movable module (), are provided at the midway portion of a flexible wiring substrate () that is connected to the movable module () and to a fixing element (). In the folding portions (), the overlapping portions of the flexible wiring substrate () are fixed. 1. An optical unit with a shake correcting function comprising:a fixed body;a movable module which holds an optical element;a flexible circuit board which is connected with the movable module and the fixed body; anda movable module drive mechanism for shake correction which swings the movable module with respect to the fixed body;wherein the flexible circuit board is provided with a folded-back portion whose extended direction is reversed at a midway portion from a connected portion with the fixed body to a connected portion with the movable module; andwherein portions of the folded-back portion which are superposed on each other are fixed to each other.2. The optical unit with a shake correcting function according to claim 1 , wherein the portions of the folded-back portion which are superposed on each other are fixed to each other by a joining member which joins faces facing each other of the folded-back portion.3. The optical unit with a shake correcting function according to claim 2 , wherein the joining member is a thermosetting adhesive sheet.4. The optical unit with a shake correcting function according to claim 2 , wherein the joining member is solder for joining metal patterns which are formed on faces facing each other of the folded-back portion.5. The optical unit with a shake correcting function according to claim ...

INTERCHANGEABLE LENS AND CAMERA SYSTEM

An interchangeable lens attachable to a camera body includes an image pickup optical system configured to form an optical image of an object, and a controller configured to start initializing an optical element included in the image pickup optical system so as to move the optical element to a predetermined position when the controller receives a first signal that commands a start of an initialization from the camera body, and configured to start initializing the optical element after the controller receives identification information from the camera body and a period elapses for which the camera body consumes more than a predetermined amount of power when the controller does not receive the first signal from the camera body. 1. An interchangeable lens attachable to a camera body , the interchangeable lens comprising:an image pickup optical system configured to form an optical image of an object; anda controller configured to start initializing an optical element included in the image pickup optical system so as to move the optical element to a predetermined position when the controller receives a first signal that commands a start of an initialization from the camera body, and configured to start initializing the optical element after the controller receives identification information from the camera body and a period elapses for which the camera body consumes more than a predetermined amount of power when the controller does not receive the first signal from the camera body.2. The interchangeable lens according to claim 1 , wherein the controller determines whether the camera body has a specification that can send the first signal claim 1 , based upon the identification information received from the camera body claim 1 , and determines whether the predetermined period has elapsed after the controller determines that the camera body has a specification that cannot send the first signal.3. The interchangeable lens according to claim 1 , wherein the controller starts ...

IMAGE TAKING SYSTEM AND OPERATING APPARATUS

An image taking system including: a lens apparatus; a first and a second operating apparatus, the first and the second operating apparatus configured to output a command information for an optical member movable in the lens apparatus, and the lens apparatus includes: a driving unit for the optical member; and a lens controller for driving the optical member based on a command from the first and the second operating apparatus, wherein the first operating apparatus includes: an operating unit; and a demand controller for outputting, to the lens controller, an information for driving the optical member, and wherein the demand controller outputs a position command information for the optical member to the lens controller when the operating unit being operated, and outputs other information for the optical member to the lens controller when the operating unit not being operated. 1. An image taking system , comprising:a lens apparatus;a first operating apparatus; anda second operating apparatus,wherein the first operating apparatus and the second operating apparatus each are configured to output a command information for driving an optical member which is movable and is included in the lens apparatus,wherein the lens apparatus comprises:a driving unit for driving the optical member; anda lens controller for controlling the driving unit based on the command information from the first operating apparatus and the second operating apparatus,wherein the first operating apparatus comprises:an operating unit to be operated by an operator; anda demand controller for outputting, to the lens controller, information for driving the optical member based on an operation amount of the operating unit, andwherein the demand controller cuts off a communication connection with the lens controller when the operating unit is not being operated, and outputs position command information for the optical member to the lens controller based on the operation amount of the operating unit after the ...

Probability-based determination of a mode of actuation for an image stabilization device

The present invention relates to a long-range optical device having at least one tube which contains an optical system, having at least one image stabilization device which is designed to move at least one optical assembly of the optical system relative to the at least one tube, having at least one signal processing unit which is designed such that it actuates the at least one image stabilization device in one mode from a plurality of modes, wherein each mode has an associated respective movement situation for the long-range optical device, and having a mode detection unit which is designed such that it determines the mode from the plurality of modes. Furthermore, the mode detection unit is designed such that it determines the mode by ascertaining a probability of presence of a first movement situation which has an associated first mode, and takes a comparison of the ascertained probability with a random number as a basis for making a decision about actuation in the first mode. In addition, the present invention relates to an appropriate method for determining a mode for actuation of an image stabilization device.

ZOOM LENS AND IMAGE PICKUP APPARATUS

A zoom lens and an image pickup apparatus having such a zoom lens are provided. The zoom lens includes a first lens group in which each lens has negative refractive power, a second lens group in which each lens has positive refractive power, a third lens group in which each lens has positive refractive power. These lens groups are arranged in this order from an object side to an image side. The first lens group includes a negative lens and a positive lens which are arranged in this order from an image side to an object side. The third lens group includes a positive lens. Both surfaces of the negative lens of the first lens group are aspherical surfaces, respectively. Both surfaces of the positive surfaces of the third lens group are aspherical surfaces, respectively. 1. A zoom lens comprisinga first lens group having negative refractive power,a second lens group having positive refractive power, anda third lens group having positive refractive power which are arranged in order from an object side to an image side, whereinwhen a positional lens state is changed from a wide angle end state to a telephoto end state, said second lens group moves toward an object in an optical axis direction and both said first lens group and said third lens group move in said optical axis direction to reduce said spacing between said first lens group and said second lens group and to increase the spacing between said second lens group and said third lens group;a focusing function performed by movement of the third lens group is performed by the movement of said third lens group in the optical axis direction at the time of changing the object position;said first lens group includes a negative lens and a positive lens which are arranged in this order from an object side to an image side;said third lens group includes a positive lens;both surfaces of said negative lens of said first lens group are aspherical surfaces, respectively;both surfaces of said positive lens of said third lens ...

Lens Drive Device

A lens drive device may include a first holding body, a second holding body, a fixed body which holds the second holding body, a first drive mechanism to drive the first holding body, a second drive mechanism to drive the second holding body, a third drive mechanism structured to drive the second holding body in a different direction than the second drive mechanism, an elastic member having a fixed part which is fixed to the second holding body and a deformable part, and plural wires in a substantially straight line shape with one end side fixed to the deformable part and the other end side fixed to the fixed body. 1. A lens drive device comprising:a first holding body configured to hold a lens and is movable in an optical axis direction of the lens;a second holding body configured to hold the first holding body so that the first holding body is movable in the optical axis direction;a fixed body configured to hold the second holding body so that the second holding body is movable in a first direction and second direction, the first direction and the second direction being substantially mutually perpendicular and substantially perpendicular to the optical axis direction;a first drive mechanism which is structured to drive the first holding body in the optical axis direction;a second drive mechanism which is structured to drive the second holding body in the first direction;a third drive mechanism which is structured to drive the second holding body in the second direction;an elastic member having a fixed part which is fixed to the second holding body and a deformable part which is capable of being elastically deformed in the optical axis direction; andplural wires in a substantially straight line shape having a first end fixed to the deformable part and a second end fixed to the fixed body;wherein the second holding body is supported by the fixed body so as to be movable in a direction substantially perpendicular to the optical axis direction through the plural wires ...

IMAGING APPARATUS

An imaging apparatus includes an optical system, an imaging unit configured to capture an image incident thereon through the optical system, a shake detector configured to detect shake of the apparatus, a shake correction unit including therein a correction lens, and being configured to move the correction lens in a plane perpendicular to the optical axis of the optical system based on a result of the detection by the shake detector to shift an optical axis of the optical system, and a controller configured to control the shake correction unit to cause the correction lens to minutely vibrate, not based on the result of the detection by the shake detector. 1. An imaging apparatus comprising:an optical system;an imaging unit configured to capture an image incident thereon through the optical system;a shake detector configured to detect shake of the apparatus;a shake correction unit including therein a correction lens, and being configured to move the correction lens in a plane perpendicular to the optical axis of the optical system based on a result of the detection by the shake detector to shift an optical axis of the optical system; anda controller configured to control the shake correction unit to cause the correction lens to minutely vibrate, not based on the result of the detection by the shake detector.2. The imaging apparatus according to claim 1 , whereinthe optical system includes a zoom lens, andthe controller controls the shake correction unit to change an amplitude of the minute vibration according to a focal length of the optical system.3. The imaging apparatus according to claim 2 , wherein the controller increases the amplitude of the minute vibration as the focal length of the optical system increases.4. The imaging apparatus according to claim 1 , further comprising a temperature sensor configured to detect a temperature of the optical system claim 1 , whereinthe controller controls the shake correction unit to change the amplitude of the minute ...

Elastic supporting structure and optical image stabilizer having the elastic supporting structure

An elastic supporting structure for an optical image stabilizer is provided. The optical image stabilizer includes a movable portion, a compensation module, and a plurality of suspension wires. The movable portion is provided therein with a lens. The compensation module corresponds to the movable portion, and both are located on the same image-capturing optical axis. Each suspension wire has two ends respectively connected to the movable portion and the compensation module. The movable portion is provided with an upper spring plate. One end of each suspension wire is connected to a length-increased outer line element and at least one additional auxiliary line element of the upper spring plate, and the other end of each suspension wire is connected to the compensation module, such that the movable portion corresponds to the compensation module and is spaced therefrom by a predetermined distance. Also, anti-shake function performs well with suspension wires.

FOCUSING LENS ASSEMBLY AND CAMERA HAVING THE SAME

A focusing lens assembly for a camera includes a shaft member disposed in parallel with an optical axis of the camera, a lens mounting member through which the shaft member penetrates and on which a focusing lens is mounted, a focusing lens driving motor configured to allow the lens mounting member to slide according to the shaft member, and a rotating unit configured to rotate the lens mounting member in a first direction in which the focusing lens is deviated from the optical axis or in a second direction in which the focusing lens is arranged on the optical axis according to an ON/OFF operation of the camera power. 1. A focusing lens assembly provided in a camera , the assembly comprising:a shaft member disposed in parallel with an optical axis of the camera;a lens mounting member through which the shaft member penetrates and on which a focusing lens is mounted;a focusing lens driving motor configured to allow the lens mounting member to slide according to the shaft member; anda rotating unit configured to rotate the lens mounting member in a first direction in which the focusing lens is deviated from the optical axis or in a second direction in which the focusing lens is arranged on the optical axis according to an ON/OFF operation of camera power.2. The assembly as claimed in claim 1 , wherein the rotating unit includes:a rotating member configured to rotate the lens mounting member in the first direction when the camera power is turned off; anda spring member configured to rotate the lens mounting member in the second direction when the camera power is turned on.3. The assembly as claimed in claim 2 , wherein the rotating member includes:a rotating member body through which the shaft member penetrates;a rotating lever configured to receive a rotation force necessary to rotate the rotating member body from a lens barrel driving source of the camera; anda rotating pin configured to transfer the rotation force to the lens mounting member.4. The assembly as ...

IMAGING DEVICE

An imaging device with which the accuracy of blur correction is improved. The imaging device comprises an imaging component, a transformer circuit, a control circuit, a blur detecting sensor, a memory, and a blur correction controller. The imaging component captures a subject and outputs image data. The transformer circuit transforms a power supply voltage. The control circuit controls the transformer circuit. The blur detecting sensor detects blur. The memory stores information related to a specific frequency range. The blur correction controller performs first blur correction control based on the output of the blur detecting sensor when the frequency of the transformer circuit is outside the specific frequency range while the control circuit is performing control. The blur correction controller performs second blur correction control different from the first blur correction control, when the frequency of the transformer circuit is within the specific frequency range. 1. An imaging device comprising:an imaging component configured to capture a subject and output image data;a transformer circuit configured to transform a power supply voltage;a control circuit configured to control the transformer circuit;a blur detecting sensor configured to detect blur in the image data;a memory configured to store information related to a specific frequency range; and perform a first blur correction control based on the output of the blur detecting sensor if the frequency of the transformer circuit is outside the specific frequency range, and', 'perform a second blur correction control that is different from the first blur correction control if the frequency of the transformer circuit is within the specific frequency range., 'a blur correction controller configured to2. The imaging device according to claim 1 , wherein:the second blur correction control corrects the frequency of the transformer circuit.3. The imaging device according to claim 1 , wherein:the power supply voltage ...

Ois actuator and camera module having the same ois actuator

The present invention relates to an OIS actuator and a camera module having the OIS actuator, the OIS actuator including: a horizontal driving unit; a vertical driving unit; and a support unit positioned at a periphery of the vertical driving unit and formed with a fourth electrode, wherein any one of the horizontal driving unit and the vertical driving unit is driven to compensate a warping of an optical path of an OIS lens unit.

OPTICAL SYSTEM AND IMAGING APPARATUS INCLUDING THE SAME

In an optical system in which a focal length of an entire system is shorter than a back focus, an image stabilizing lens unit, is at a position adjacent to an aperture on an image side and a cemented lens obtained by cementing a positive lens and a negative lens is on an object side of the aperture diaphragm, and the focal length of the entire system, a focal length of the image stabilizing lens unit, a focal length of the cemented lens, a distance on the optical axis from the aperture to a lens surface on the object side of the image stabilizing lens unit, and a distance on the optical axis from a first lens surface on a side closest to an object to a final lens surface on a side closest to an image when an infinite-distance object is brought into focus are set. 4. The optical system according to claim 1 , comprising: a first lens unit with positive or negative refractive power and a second lens unit with positive refractive power in order from the object side to the image side claim 1 , wherein the second lens unit moves during focusing claim 1 , and the cemented lens claim 1 , the aperture diaphragm claim 1 , and the image stabilizing lens unit are included in the second lens unit.5. The optical system according to claim 4 , wherein the first lens unit includes a negative lens in a meniscus shape having a convex surface on the object side and a positive lens in order from the object side to the image side claim 4 , and the second lens unit includes a negative lens in the meniscus shape having a concave surface on the image side claim 4 , a positive lens claim 4 , the cemented lens obtained by cementing the positive lens and the negative lens claim 4 , the aperture diaphragm claim 4 , the image stabilizing lens unit claim 4 , which moves in the direction including the component in the direction perpendicular to the optical axis to move the imaging position claim 4 , a cemented lens obtained by cementing a negative lens and a positive lens claim 4 , and a positive ...

Zooming optical system, optical apparatus having the zooming optical system, and method for manufacturing zooming optical system

A zoom optical system ZL to be mounted on an optical apparatus such as a single lens reflex camera 1 , comprising, in order from an object side, a first lens group G 1 having positive refractive power, a second lens group G 2 having negative refractive power, a third lens group G 3 having positive refractive power, a fourth lens group G 4 having negative refractive power, a fifth lens group G 5 having positive refractive power, and a sixth lens group G 6 having negative refractive power. The zoom optical system is configured such that at least a portion of any one lens group among these lens group G 1 to G 6 may be moved such that a component in a direction perpendicular to the optical axis may be included. Thus, there are provided a zoom optical system that can suppress well variation in aberrations upon zooming, an optical apparatus equipped therewith and a method for manufacturing the zoom optical system.

IMAGING APPARATUS

An imaging apparatus includes a front lens group, which constitutes part of an imaging optical system, at a fixed position with respect to an optical axis direction, wherein the front lens group includes a front lens element and a reflector and the reflector reflects light rays exiting from the front lens element; a movable lens group provided closer to the image plane side than the front lens group and movable along the optical axis; a support member which supports the reflector; a movable frame which supports the front lens element and is supported by the support member to be movable along a plane orthogonal to the optical axis of the front lens element; and a driver which drives the movable frame in the plane, in accordance with vibrations applied to the photographing optical system, to reduce image shake. 1. An imaging apparatus comprising:a front lens group, which constitutes part of an imaging optical system of said imaging apparatus, provided at a fixed position with respect to an optical axis direction, wherein said front lens group includes at least one front lens element, and a reflector, in that order from an object side, wherein said reflector reflects light rays exiting from said front lens element;a movable lens group, which constitutes another part of said imaging optical system, provided closer to the image plane side than said front lens group and movable along the optical axis;a support member which supports at least said reflector of said front lens group;a movable frame which supports said front lens element of said front lens group and is supported by said support member to be movable along a plane orthogonal to the optical axis of said front lens element; anda driver which drives said movable frame in said plane, in accordance with vibrations applied to said photographing optical system, to reduce image shake on said image plane.2. The imaging apparatus according to claim 1 , wherein said front lens group comprises at least one rear lens ...

SPRING PLATE AND CAMERA MODULE HAVING SAME

A spring plate includes a plate body having a through hole defined at the center, and a terminal perpendicularly extending from the plate body. The plate body includes an outer closed-loop frame, an inner closed-loop frame, and spring parts interconnected between the outer closed-loop frame and the inner closed-loop frame. The terminal has an end portion distal from the plate body with at least one through hole or a recess. 1. A spring plate comprising:a plate body having a through hole defined at the center thereof, the plate body comprising an outer closed-loop frame, an inner closed-loop frame, and a plurality of spring parts interconnected between the outer closed-loop frame and the inner closed-loop frame, anda terminal perpendicularly extending from the plate body, the terminal having an end portion distal from the plate body with at least one of a through hole and a recess defined therein.2. The spring plate of claim 1 , wherein the at least one through hole comprises a plurality of through holes.3. The spring plate of claim 2 , wherein the terminal is L-shaped claim 2 , and comprises a first connection portion connected to the plate body claim 2 , and a second connection portion perpendicular to the first connection portion claim 2 , the second connection portion is distal from the plate body claim 2 , and the through holes are defined in the second connection portion.4. The spring plate of claim 1 , wherein the at least one recess comprises a plurality of recesses.5. The spring plate of claim 4 , wherein the recesses are exposed at a common edge of the terminal.6. The spring plate of claim 5 , wherein the terminal is L-shaped claim 5 , and comprises a first connection portion connected to the plate body claim 5 , and a second connection portion perpendicular to the first connection portion claim 5 , the second connection portion is distal from the plate body claim 5 , and the recess are defined in the second connection portion.7. A camera module comprising: ...

INTERCHANGEABLE LENS AND CAMERA SYSTEM HAVING THE SAME

An interchangeable lens includes an image stabilizing unit, a position detector configured to detect a position of the correction lens, and a controller configured to set a movable range of the correction lens, when the interchangeable lens is mounted on a first camera body having a function of correcting at least one of a peripheral brightness and an aberration of a picked-up image according to position information of the correction lens, the controller sets the movable range of the correction lens to a first movable range, and when the interchangeable lens is mounted on a second camera body not having a function of correcting the peripheral brightness or the aberration of the picked-up image according to the position information of the correction lens, the controller sets the movable range of the correction lens to a second movable range that is narrower than the first movable range. 1. An interchangeable lens detachable from a camera body having a function of correcting a peripheral brightness and an aberration of a picked-up image , the interchangeable lens comprising:an image stabilizing unit configured to correct an image blur by driving a correction lens;a position detector configured to detect a position of the correction lens; anda controller configured to control a movable range of the correction lens depending on the function of the camera body.2. The interchangeable lens according to claim 1 , wherein claim 1 ,in the case the interchangeable lens is mounted on a first camera body having a function of correcting at least one of the peripheral brightness and the aberration of a picked-up image according to position information of the correction lens, the controller controls the movable range of the correction lens to a first movable range, andin the case the interchangeable lens is mounted on a second camera body not having a function of correcting the peripheral brightness or the aberration of the picked-up image according to the position information of ...

ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME

A zoom lens includes first to fifth lens unit having negative, positive, positive, negative, and positive refractive powers, in an order from an object side to an image side, an interval of each lens unit is configured to be changed in zooming, the first lens unit, in order from the object side to the image side, consists of one or two negative lenses and one positive lens, the second lens unit consists of one lens component that moves to the image side in focusing on an object at an infinite distance to a short distance object, and an interval D23, combined focal lengths D23w, f23w, and f4Rw, and a length D2 are appropriately set. 1. A zoom lens comprising:a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power, in an order from an object side to an image side; andan aperture stop disposed between a lens surface closest to the image side of the second lens unit and a lens surface closest to the object side of the fourth lens unit,wherein an interval of each lens unit is configured to be changed in zooming,wherein the first lens unit, in order from the object side to the image side, consists of one or two negative lenses and one positive lens,wherein the second lens unit consists of one lens component that moves to the image side in focusing on an object at an infinite distance to a short distance object, and [{'br': None, 'i': Подробнее

Image Pickup Apparatus Having Zoom Lens

An image pickup apparatus includes a zoom lens and an image pickup element. The zoom lens includes a first positive lens unit, a first negative lens unit, a stop, and a second positive lens unit. For zooming, the first positive lens unit is stationary, the first negative lens unit moves, and the second positive lens unit moves. A position at a telephoto end of the first negative lens unit is on the image side of a position at the wide angle end. A position at a telephoto end of the second positive lens unit is on the object side of a position at the wide angle end. For focusing, the first positive lens unit is stationary. A first positive lens unit object-side system has a negative refractive power. A first positive lens unit image-side system has a positive refractive power. The image pickup apparatus satisfies predetermined conditional expressions. 2. An image pickup apparatus comprising in order from an object side:a zoom lens; andan image pickup element, whereinthe zoom lens comprisesa first positive lens unit having a positive refractive power,a first negative lens unit having a negative refractive power,a stop, anda second positive lens unit having a positive refractive power, andthe first positive lens unit and the first negative lens unit are disposed in order of the first positive lens unit and the first negative lens unit from the object side to an image side, andthe second positive lens unit is disposed on the image side of the first negative lens unit, andthe stop is disposed between the first negative lens unit and the second positive lens unit, andat the time of zooming from a wide angle end to a telephoto end, a movement of each lens unit is as follows,the first positive lens unit is stationary,the first negative lens unit moves toward the image side, andthe second positive lens unit moves toward the object side, anda position at the telephoto end of the first negative lens unit is on the image side of a position at the wide angle end of the first ...

CAMERA MODULE

In a camera module, a lens for forming an image on an imaging element having a rectangular light receiving surface is formed in a shape obtained by removing a peripheral portion of a circular lens, such as a generally oval shape, and a cylindrical lens barrel coaxially holding the lens is formed in a shape conforming to that of the lens. A part of a focal adjustment actuator is disposed in a space created on a side of the lens barrel in correspondence with the removed portion of the lens, whereby reduction in size of the entirety of the camera module is promoted. 1. A camera module , comprising:an imaging element having a rectangular light receiving surface;a lens for forming an image on the imaging element;a cylindrical lens barrel that coaxially holds the lens;a spring member that elastically supports the lens barrel such that the lens barrel is movable relative to the imaging element at least in a direction along an optical axis of the lens; anda focus adjustment actuator that moves the lens barrel along the optical axis against a spring force of the spring member,wherein:the lens is formed in a shape obtained by removing a peripheral portion of a circular lens, such that the lens has a reduced size in one direction perpendicular to the optical axis;the lens barrel is formed in a shape conforming to that of the lens as viewed along the optical axis; anda part of the focal adjustment actuator is disposed in a space created on a side of an outer circumferential surface of the lens barrel in correspondence with the removed portion of the lens.2. The camera module according to claim 1 , wherein the lens is cut along lines corresponding to a pair of longer sides of the rectangular light receiving surface.3. The camera module according to claim 1 , wherein:the focus adjustment actuator includes a focusing coil wound around the outer circumferential surface of the lens barrel and a permanent magnet disposed on a side of the outer circumferential surface of the lens ...

POSITION CONTROL SYSTEM

The invention provides a position control system comprising a moving portion that is movable, a position-detection portion that detects a position of the moving portion, a drive portion that applies driving force to the moving portion thereby moving the moving portion, a control portion that controls the driving force of the drive portion, and an input portion for inputting a drive target position for the moving portion, characterized in that the control portion is operable to determine the driving force to be applied to the drive portion based on a correction coefficient acquired based on a first deviation that is a difference between the drive target position inputted into the input portion and the reference position, and a second deviation that is a difference between a position detected by the position-detection portion and the drive target position inputted into said input portion. 1. A position control system comprising:a fixed portion,a moving portion that is relatively movable with respect to said fixed portion,a position-detection portion that detects a position of said moving portion with respect to a reference position of said fixed portion,a drive portion that applies driving force to said moving portion thereby moving said moving portion,a control portion that controls the driving force of said drive portion, andan input portion for inputting a drive target position for said moving portion, wherein:said control portion is operable to determine the driving force to be applied to said drive portion based on a correction coefficient acquired based on a first deviation that is a difference between the drive target position inputted into said input portion and said reference position, and a second deviation that is a difference between a position detected by said position-detection portion and the drive target position inputted into said input portion.2. A position control system comprising:a fixed portion,a moving portion that is relatively movable with ...

LENS DRIVING APPARATUS

A lens driving apparatus comprises a lens portion having at least one lens (), a first driving portion () to cause a movement of said lens portion relatively to a base portion () along a vertical direction of a light axis (L) of said lens portion, and a second driving portion () to cause a movement of said lens portion relatively to said base portion along said light axis. 1. A lens driving apparatus comprising:a lens portion having at least one lens,a base portion on which an image sensor detecting light coming through said lens portion is fixed,a first driving portion to cause a movement of said lens portion relatively to said base portion along a vertical direction of a light axis of said lens portion,a second driving portion to cause a movement of said lens portion relatively to said base portion along said light axis,a focus portion including said lens portion and said second driving portion,at least three suspension wires connecting said focus portion and said base portion so as to allow a relative movement, whereina magnet of said focus portion faces a position sensor and a coil of said first driving portion fixed on said base portion in a light axis direction.2. The lens driving apparatus as set forth in claim 1 , whereinsaid position sensor is composed of X-direction position sensor and Y-direction position sensor,said magnet of the focus portion includes X-direction blurring compensation magnet and Y-direction blurring compensation magnet,said X-direction position sensor and Y-direction position sensor performs position detecting of said focus portion by detecting a magnetic field variation caused by the movement of said X-direction blurring compensation magnet and Y-direction blurring compensation magnet.3. The lens driving apparatus as set forth in claim 2 , whereinsaid coil of the first driving portion has X-direction blurring compensation coil and Y-direction blurring compensation coil,said X-direction position sensor and said X-direction blurring ...

IMAGE BLUR CORRECTION APPARATUS AND IMAGING APPARATUS

Provided is an image blur correction apparatus including a lens unit configured to include at least one lens, and configured to be turnable in two different directions using, as supporting points, two axes that are orthogonal to an outer housing, a fixed member configured to turnably support the lens unit in the two directions, a first drive unit configured to be attached to the fixed member, and configured to turn the lens unit in one of the two directions, and a second drive unit configured to be attached to the fixed member, and configured to turn the lens unit in another of the two directions. 1. An image blur correction apparatus comprising:a lens unit configured to include at least one lens, and configured to be turnable in two different directions using, as supporting points, two axes that are orthogonal to an outer housing;a fixed member configured to turnably support the lens unit in the two directions;a first drive unit configured to be attached to the fixed member, and configured to turn the lens unit in one of the two directions; anda second drive unit configured to be attached to the fixed member, and configured to turn the lens unit in another of the two directions,wherein the lens unit, which includes a movable barrel configured to hold an optical element and configured to be movable in a light axis direction, and a support barrel configured to movably support the movable barrel in the light axis direction, is extended and retracted by the movable barrel moving in the light axis direction, andwherein the support barrel is turnably supported by the fixed member in the two directions.2. The image blur correction apparatus according to claim 1 , wherein the movable barrel is extended forward in the light axis direction with respect to the support barrel when power is turned on.3. The image blur correction apparatus according to claim 1 , wherein the first drive unit and the second drive unit are arranged on an outer face side in the light axis direction ...

IMAGE BLUR CORRECTION APPARATUS AND IMAGING APPARATUS

Provided is an image blur correction apparatus including a lens unit that configured to include at least one lens, and configured to turnable in a first direction which is a direction about a first supporting axis that is orthogonal to a light axis of the lens with respect to an outer housing, and in a second direction which is a direction about a second supporting axis that is orthogonal to the light axis and the first supporting axis, a fixed member configured to turnably support the lens unit in the first direction and the second direction, a first drive unit configured to turn the lens unit in the first direction, and a second drive unit configured to turn the lens unit in the second direction. 1. An image blur correction apparatus comprising:a lens unit that configured to include at least one lens, and configured to turnable in a first direction which is a direction about a first supporting axis that is orthogonal to a light axis of the lens with respect to an outer housing, and in a second direction which is a direction about a second supporting axis that is orthogonal to the light axis and the first supporting axis;a fixed member configured to turnably support the lens unit in the first direction and the second direction;a first drive unit configured to turn the lens unit in the first direction; anda second drive unit configured to turn the lens unit in the second direction,wherein the lens unit is provided thereon with a first turning shaft that acts as a turning support in one of the first direction and the second direction, and whose center axis is in line with one of the first supporting axis and the second supporting axis,wherein the fixed member is provided thereon a second turning shaft that acts as a turning support in another of the first direction and the second direction, and whose center axis is in line with another of the first supporting axis and the second supporting axis,wherein a first support groove into which the second turning shaft is ...

IMAGE BLUR CORRECTION APPARATUS AND IMAGING APPARATUS

Provided is an image blur correction apparatus including a lens unit configured to include at least one lens and configured to be turnable in two different directions using, as supporting points, two axes that are orthogonal to an outer housing, a fixed member configured to turnably support the lens unit in the two directions, a first drive motor configured to be mounted on the fixed member and configured to turn the lens unit in one of the two directions, a second drive motor configured to be mounted on the fixed member and configured to turn the lens unit in another of the two directions, and a coupling member configured to be coupled to the first drive motor and the second drive motor and configured to include a coupling portion. 1. An image blur correction apparatus comprising:a lens unit configured to include at least one lens and configured to be turnable in two different directions using, as supporting points, two axes that are orthogonal to an outer housing;a fixed member configured to turnably support the lens unit in the two directions;a first drive motor configured to be mounted on the fixed member and configured to turn the lens unit in one of the two directions;a second drive motor configured to be mounted on the fixed member and configured to turn the lens unit in another of the two directions; anda coupling member configured to be coupled to the first drive motor and the second drive motor and configured to include a coupling portion, the coupling portion being coupled to the lens unit to transmit drive force of the first drive motor and the second drive motor to the lens unit in a manner that the coupling member is moved along with turning of the lens unit, a first tolerance portion configured to maintain a coupled state of the first drive motor while the second drive motor is driven to allow the lens unit to turn in the other direction, and', 'a second tolerance portion configured to maintain a coupled state of the second drive motor while the first ...

IMAGE BLUR CORRECTION APPARATUS AND IMAGING APPARATUS

Provided is an image blur correction apparatus including a lens unit configured to include at least one lens and configured to be turnable in a first direction which is a direction about a first supporting axis that is orthogonal to a light axis of the lens with respect to an outer housing, and in a second direction which is a direction about a second supporting axis that is orthogonal to the light axis and the first supporting axis, a fixed member configured to be arranged on an outer periphery side of the lens unit and configured to turnably support the lens unit in the first direction and the second direction, a first drive unit configured to turn the lens unit in the first direction, and a second drive unit configured to turn the lens unit in the second direction. 1. An image blur correction apparatus comprising:a lens unit configured to include at least one lens and configured to be turnable in a first direction which is a direction about a first supporting axis that is orthogonal to a light axis of the lens with respect to an outer housing, and in a second direction which is a direction about a second supporting axis that is orthogonal to the light axis and the first supporting axis;a fixed member configured to be arranged on an outer periphery side of the lens unit and configured to turnably support the lens unit in the first direction and the second direction;a first drive unit configured to turn the lens unit in the first direction; anda second drive unit configured to turn the lens unit in the second direction,wherein a spherical slide portion is formed on an outer periphery of the lens unit using, as a center, a reference point that is a point in the lens unit,wherein a spherical support portion is formed on an inner periphery of the fixed member using the reference point as a center, andwherein the slide portion is capable of sliding along the support portion when the lens unit is turned in each of the first direction and the second direction.2. The ...

LENS CONTROL DEVICE AND IMAGE SENSING DEVICE USING SAME

There is provided a lens control device that feeds a motor current to a lens drive motor which drives lens according to the motor current, the lens control device including: a servo computation portion that calculates a motor current setting value such that a deviation of the position of the lens to which a correction offset has been adjusted from a target position is reduced; a motor driver that generates the motor current according to the motor current setting value; and a calibration computation portion that adjusts the correction offset such that an average value of the motor current approaches zero. 1. A lens control device that feeds a motor current to a lens drive motor which drives lens according to the motor current , the lens control device comprising:a servo computation portion that calculates a motor current setting value such that a deviation of a position of the lens to which a correction offset has been adjusted from a target position is reduced;a motor driver that generates the motor current according to the motor current setting value; anda calibration computation portion that adjusts the correction offset such that an average value of the motor current approaches zero.2. The lens control device of claim 1 , wherein claim 1 , based on a lens position detection signal indicating a current position of the lens claim 1 , a target lens position setting signal indicating the target position and a correction offset signal indicating the correction offset claim 1 , a deviation signal corresponding to the deviation is generated claim 1 , and claim 1 , based on the deviation signal claim 1 , the motor current setting value is calculated.3. The lens control device of claim 2 , wherein the calibration computation portion integrates the motor current setting value claim 2 , and adjusts claim 2 , based on a result of the integration claim 2 , the correction offset.4. The lens control device of claim 2 , wherein the servo computation portion performs PID ...

MEMS Fast Focus Camera Module

An auto focus camera module includes a camera module housing defining an aperture and an internal cavity to accommodate camera module components, an image sensor coupled to or within the housing, a lens barrel within the housing that contains an optical train including at least one movable lens disposed relative to the aperture and image sensor to focus images of scenes onto the image sensor along an optical path, and a fast focus MEMS actuator coupled to one or more lenses of the optical train including the at least one movable lens and configured to rapidly move said at least one movable lens relative to the image sensor to provide autofocus for the camera module in each frame of a preview or video sequence or both.

LENS MECHANISM AND DEVICE USING THE SAME

A lens mechanism and a device using the same are provided. The lens mechanism has an optical axis and comprises a zoom module, a focus module and a focusing lens group. The zoom module performs an optical compensation. The focus module comprises a rotatable arm. The focusing lens group is disposed on the rotatable arm, wherein when the lens mechanism is in a stand-by state, the focusing lens group is located at the optical axis; when the lens mechanism is in a close-end, the focusing lens group is away from the optical axis. 1. A lens mechanism having an optical axis and comprising:a zoom module moving perpendicular to the optical axis;a focus module comprising a rotatable arm; anda focusing lens group disposed on the rotatable arm;wherein when the lens mechanism is in a stand-by state, the focusing lens group is located at the optical axis; when the lens mechanism is in a collapse state, the focusing lens group is away from the optical axis.2. The lens mechanism according to claim 1 , wherein the zoom module moves in two dimensions or circumference perpendicular to the optical axis.3. The lens mechanism according to claim 2 , wherein the lens mechanism further comprises a zooming lens group claim 2 , the zoom module comprises an optical image stabilizer claim 2 , and at least one lens of the zooming lens group is disposed on the optical image stabilizer.4. The lens mechanism according to claim 1 , wherein the focus module further comprises a guider having a protrusion claim 1 , and the rotatable arm is rotated by the protrusion of the guider.5. The lens mechanism according to claim 4 , wherein the rotatable arm has a sliding groove connected to the protrusion.6. The lens mechanism according to claim 5 , wherein the sliding groove is formed on a pivot of the rotatable arm.7. The lens mechanism according to claim 1 , wherein the focus module further comprises a leading screw claim 1 , and the guider is screwed to the leading screw.8. The lens mechanism according to ...

LENS DRIVE UNIT AND IMAGING APPARATUS

A lens drive unit includes: a driven member that moves a lens in an optical axis direction; a first gear rotated by a drive force of a drive motor; a second gear rotated by a drive force of a manual operation section; a third gear that engages with the first gear and the second gear and is rotated when the first gear is rotated but the second gear is not rotated whereas rotated when the second gear is rotated but the first gear is not rotated; and a fourth gear rotated when the third gear is rotated to transmit the drive force of the drive motor or the drive force of the manual operation section to the driven member, wherein the reduction ratio of the fourth gear to the first gear is set to be greater than the reduction ratio of the fourth gear to the second gear. 1. A lens drive unit comprising:a driven member that moves a lens in an optical axis direction;a first gear rotated by a drive force of a drive motor;a second gear rotated by a drive force of a manual operation section;a third gear that engages with the first gear and the second gear and is rotated when the first gear is rotated but the second gear is not rotated whereas rotated when the second gear is rotated but the first gear is not rotated; anda fourth gear rotated when the third gear is rotated to transmit the drive force of the drive motor or the drive force of the manual operation section to the driven member,wherein the reduction ratio of the fourth gear to the first gear is set to be greater than the reduction ratio of the fourth gear to the second gear.2. The lens drive unit according to claim 1 ,wherein a sun gear is used as the first gear,an internal gear coaxial with the first gear is used as the second gear,a planetary gear that rotates on an axis thereof and revolves around the first gear is used as the third gear, and a planetary carrier is used as the fourth gear.3. The lens drive unit according to claim 1 ,wherein the reduction ratio of the fourth gear to the first gear is set to be ...

ZOOM LENS AND IMAGING APPARATUS

There is provided a zoom lens including a first lens group having negative refractive power, a second lens group having positive refractive power, a third lens group having negative refractive power, and a fourth lens group having positive refractive power, the lens groups being arranged in order from an object side to an image side. The second lens group includes a front group having positive refractive power, and a rear group having positive refractive power, the front and rear groups being arranged in order from the object side to the image side. The front group includes a positive lens, a positive lens, a negative lens, and a positive lens, the lenses being arranged in order from the object side to the image side. The rear group includes at least one positive lens. 1. A zoom lens comprising:a first lens group having negative refractive power;a second lens group having positive refractive power;a third lens group having negative refractive power; anda fourth lens group having positive refractive power, the lens groups being arranged in order from an object side to an image side, a front group having positive refractive power, and', 'a rear group having positive refractive power, the front and rear groups being arranged in order from the object side to the image side,', a positive lens,', 'a positive lens,', 'a negative lens, and', 'a positive lens, the lenses being arranged in order from the object side to the image side, and, 'wherein the front group includes'}, 'at least one positive lens.', 'wherein the rear group includes'}], 'wherein the second lens group includes'}2. The zoom lens according to claim 1 ,wherein the rear group is moved in a direction perpendicular to an optical axis in a manner that shake correction is performed.4. The zoom lens according to claim 1 ,wherein the rear group includes one positive lens or a cemented lens made up of a positive lens and a negative lens.7. The zoom lens according to claim 1 ,wherein the third lens group is moved in ...

ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM

A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having positive optical power; a second lens unit having negative optical power; a third lens unit having positive optical power; a fourth lens unit having negative optical power, and a subsequent lens unit, wherein the first lens unit comprises a negative lens element having negative optical power, and a positive lens element having positive optical power, and wherein the conditions: 1.47 Подробнее

ZOOM LENS, IMAGING OPTICAL DEVICE, AND DIGITAL DEVICE

Disclosed is a zoom lens that forms an optical image of an object on a light receiving surface of an imaging element converting the optical image to an electrical signal, having the diagonal length of 2Y max, is constituted by a positive first group, a negative second group, a negative third group, an aperture, and a rear group having positive power as a whole, in order from an object side, and satisfies a conditional expression 1.5 Подробнее

LENS SYSTEM, OPTICAL APPARATUS AND MANUFACTURING METHOD

A lens system having, in order from an object, at least a first lens group G1 having positive refractive power, and second to fourth lens groups G2 to G4, wherein the first lens group G1 includes a front portion lens group G1a, and a rear portion lens group G1b which is disposed to an image side of the front portion lens group G1a with an air distance therebetween, and performs focusing by shifting the rear portion lens group G1b in the optical axis direction, and the fourth lens group G4 includes, in order from the object, a negative lens and a positive lens (cemented negative lens L41), a negative lens L42, and an aperture stop S, and is fixed in the optical axis direction with respect to an image plane I upon zooming from a wide angle end state to a telephoto end state. 143-. (canceled)44. A lens system comprising , in order from an object , an “a” lens group having positive refractive power , a “b” lens group having negative refractive power , and a “c” lens group having positive refractive power ,an aperture stop being disposed between the “b” lens group and the “c” lens group, andall or a part of the “b” lens group being shifted so as to have a component orthogonal to the optical axis.45. The lens system according to claim 44 , wherein the “b” lens group is fixed in an optical axis direction with respect to an image plane upon zooming from a wide angle end state to a telephoto end state.46. The lens system according to claim 44 , wherein the aperture stop is integrated with the “b” lens group upon zooming from the wide angle end state to the telephoto end state.47. The lens system according to claim 44 , wherein the “b” lens group is a fourth lens group from the object side.48. The lens system according to claim 44 , wherein a second lens group claim 44 , which is the second lens group from the object side claim 44 , has negative refractive power claim 44 , and the following conditional expression is satisfied:{'br': None, 'i': f', 'fc<, '0.43<(−2)/1.00'}where ...

PHOTOGRAPHY DEVICE WITH ANTI-SHAKE FUNCTION

A photography device with anti-shake function for sensing camera shake and moving a lens toward a direction to correct the camera shake when photographing an object so that the object may be clearly photographed. A coil and a magnet are included in the invention, and the coil moves in a direction perpendicular to the optical-axis of the lens as a result of magnetic fields generated by the magnet and the coil when electric power is applied to the coil. 1. A photography device with anti-shake function , comprising:a base;a lens holder disposed horizontally movably above the base and inserting a lens in an inside thereof;a cover disposed above the base to enclose the lens holder;a wire spring of which upper end is mounted to the cover and lower end is mounted to the lower end of the lens holder to elastically support the lens holder in an up and down direction; a first substrate mounted to the lower end of the lens holder and formed with a first copperplate part to which the lower end of the wire spring is penetratively fixed; anda drive unit connected with the lower end of the wire spring or the first substrate and electrically connected with the wire spring to move the lens holder in a horizontal direction upon power apply.2. The photography device of claim 1 , wherein the drive unit includes:a coil member mounted to a side surface of the lens holder and forming a magnetic field upon power apply to move the lens holder horizontally;upper magnet and lower magnet mounted between the base and the cover and disposed adjacently to the coil member; andan iron piece member having one end mounted between the upper magnet and the lower magnet and the other end inserted in a center of the coil,wherein an end of the coil member is fixed to the first copperplate part together with the wire spring.3. The photography device of claim 2 , wherein the first substrate is formed with an avoid groove in which the end of the coil member is disposed claim 2 , and a size of the avoid ...

IMAGE PICKUP APPARATUS AND LENS APPARATUS

An image pickup apparatus includes a plurality of imaging optical systems having different focal lengths and each configured to form an optical image of an object, and a plurality of image sensors having image pickup areas each corresponding to one of the plurality of imaging optical systems and each configured to photoelectrically convert the optical image formed by a corresponding one of the imaging optical systems. The image pickup apparatus is configured to simultaneously capture a plurality of images by controlling the plurality of imaging optical systems and the plurality of image sensors. Each imaging optical system includes a focus lens unit configured to move in focusing and a fixed lens unit that is fixed in the focusing. The image pickup apparatus further includes a focus driver configured to move a plurality of focus lens units by equal moving amounts. 1. An image pickup apparatus comprising a plurality of imaging optical systems having different focal lengths and each configured to form an optical image of an object , and a plurality of image sensors having image pickup areas each corresponding to one of the plurality of imaging optical systems and each configured to photoelectrically convert the optical image formed by a corresponding one of the imaging optical systems , the image pickup apparatus being configured to simultaneously capture a plurality of images by controlling the plurality of imaging optical systems and the plurality of image sensors ,wherein each imaging optical system includes a focus lens unit configured to move in focusing and a fixed lens unit that is fixed in the focusing, andwherein the image pickup apparatus further comprises a focus driver configured to move a plurality of focus lens units by equal moving amounts.2. The image pickup apparatus according to claim 1 , wherein the plurality of imaging optical systems include a plurality of imaging optical systems having equal focal lengths.3. The image pickup apparatus according ...

ZOOM LENS AND IMAGE PICKUP APPARATUS

The zoom lens includes in order from an object side to an image side where N represents an integer equal to or more than 5, a first lens unit, a second lens unit, an (N−2)-th lens unit, an (N−1)-th lens unit and an N-th lens unit respectively having positive, negative, positive, negative and positive refractive powers. The (N−1)-th lens unit includes an image stabilizing lens unit. The conditions of 0.01 Подробнее

ZOOM LENS AND IMAGING APPARATUS INCLUDING THE SAME

A zoom lens includes a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group including a first sub-lens group having a positive refractive power, an iris, and a second sub-lens group having a positive refractive power; and a fourth lens group having a positive refractive power, wherein the first to fourth lens groups are sequentially arranged from an object side to an image side, the distance between each of the first through fourth lens groups changes when zooming, the surface of the lens closest to the image side in the first sub-lens group is concave, the lens closest to the object side in the second sub-lens group is a meniscus lens concave towards the object side, and the lens located closest to the object side in the third lens group is an aspheric lens. 1. A zoom lens comprising:a first lens group having a positive refractive power;a second lens group having a negative refractive power;a third lens group including a first sub-lens group having a positive refractive power, an iris, and a second sub-lens group having a positive refractive power; anda fourth lens group having a positive refractive power,wherein the first to fourth lens groups are sequentially arranged from an object side to an image side,the distance between each of the first to fourth lens groups changes when zooming from a wide angle position to a telephoto position, the surface of the lens closest to the image side in the first sub-lens group is concave, the lens closest to the object side in the second sub-lens group is a meniscus lens concave towards the object side, and the lens closest to the object side in the third lens group is an aspheric lens, [{'br': None, 'i': 'Vd', '2≧60'}, {'br': None, 'i': 'Vd', '3≧70,'}], 'wherein the zoom lens satisfies the conditions{'b': 2', '3, 'where Vd denotes an Abbe number of a negative lens included in the second lens group, and Vd denotes an Abbe number of a lens included in the ...

INNER FOCUS LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM

An inner focus lens system comprising a first lens unit and subsequent lens units, wherein an aperture diaphragm is provided, the first lens unit is: fixed with respect to an image surface in focusing; and composed of five or more lens elements including a first positive lens element located closest to the object side and a second positive lens element, the subsequent lens units include at least a first focusing lens unit located closest to the object side and a second focusing lens unit, at least one of the first focusing lens unit and the second focusing lens unit is composed of two or less lens elements, at least one lens element is provided on the image side relative to the aperture diaphragm, and the condition: N≦N(N, N: the number of lens elements constituting the first, second focusing lens unit) is satisfied. 1. An inner focus lens system , in order from an object side to an image side , comprising a first lens unit , and subsequent lens units , whereinan aperture diaphragm is provided,the first lens unit is fixed with respect to an image surface in focusing from an infinity in-focus condition to a close-object in-focus condition,the first lens unit is composed of five or more lens elements including: a first positive lens element being located closest to the object side, and having positive optical power; and a second positive lens element having positive optical power,the subsequent lens units include at least a first focusing lens unit located closest to the object side, and a second focusing lens unit, as focusing lens units that move along an optical axis in the focusing,at least one of the first focusing lens unit and the second focusing lens unit is composed of two or less lens elements,at least one lens element is provided on the image side relative to the aperture diaphragm, and {'br': None, 'i': N', '≦N, 'sub': F1', 'F2, '(1)'}, 'the following condition (1) is satisfiedwhere{'sub': 'F1', 'Nis the number of lens elements constituting the first ...

ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME

A zoom lens includes, in order from an object side to an image side, first to fourth lens units having negative, positive, negative, and positive refractive power, respectively. Each lens unit moves during zooming so that a distance between the first lens unit and the second lens unit at the telephoto end is shorter than at the wide-angle end and a distance between the second lens unit and the third lens unit and a distance between the third lens unit and the fourth lens unit at the telephoto end are larger than those at the wide-angle end. A focal length of the third and fourth lens units, a focal length of the entire zoom lens at the wide-angle end, a focal length of the entire zoom lens at the telephoto end, and a sum of axial thicknesses of the first to fourth lens units are appropriately set. 1. A zoom lens comprising , in order from an object side to an image side:a first lens unit having negative refractive power;a second lens unit having positive refractive power;a third lens unit having negative refractive power; anda fourth lens unit having positive refractive power,wherein each lens unit moves during zooming so that a distance between the first lens unit and the second lens unit at a telephoto end is shorter than that at a wide-angle end, and a distance between the second lens unit and the third lens unit and a distance between the third lens unit and the fourth lens unit at the telephoto end are larger than those at the wide-angle end, and [{'br': None, 'i': <|f', '|/fw<, '6.50335.00'}, {'br': None, 'i': Подробнее

SHAKE CORRECTION APPARATUS AND CONTROL METHOD THEREOF

A shake correction apparatus comprises a shake detection unit which detects a shake of an image capture apparatus, a calculation unit which calculates a shake correction amount for correcting an image blur based on an output from the shake detection unit, a shake correction unit which corrects the image blur based on the shake correction amount, a shake level determination unit which determines a shake level of the image capture apparatus based on an output from the shake detection unit, an offset determination unit which determines an offset value based on the shake correction amount and the shake level, and a subtraction unit which subtracts the offset value from the output from the shake detection unit. 1. A shake correction apparatus comprising:a shake detection unit which detects a shake;a calculation unit which calculates a shake correction amount for correcting an image blur based on an output from said shake detection unit;a shake correction unit which corrects the image blur based on the shake correction amount;a shake level determination unit which determines a shake level of the shake based on an output from said shake detection unit;an offset determination unit which determines an offset value based on the shake correction amount and the shake level; anda subtraction unit which subtracts the offset value from the output from said shake detection unit,wherein said offset determination unit increases the offset value in a case where the shake level is larger than a predetermined level comparing with a case where the shake level is equal to or smaller than the predetermined level.2. The apparatus according to claim 1 , wherein the case where the shake level is larger than the predetermined level corresponds to moving image capturing during walking and the case where the shake level is equal to or smaller than the predetermined level corresponds to handheld moving image capturing.3. The apparatus according to claim 1 , wherein in the case where the shake ...

Camera Module with EMI Shield

A compact camera module has an EMI housing configured to shield camera module components from electromagnetic interference and having defined therein a focus-adjustment aperture to permit an optical train to extend to at one end of an auto-focus range, and a light leak baffle partially overlaps the focus-adjustment aperture along the optical path outside the auto-focus range. 1. A compact camera module , comprisingan image sensor configured to couple to a flexible printed circuit to power the camera module and transmit images captured at the image sensor;an optical train aligned with the image sensor that includes multiple lenses including at least one movable lens coupled to an actuator to form an optical system that is configured to automatically adjust a position of the at least one movable lens along the optical path to focus an object disposed within an auto-focus range of the camera module onto the image sensor;an EMI housing configured to contain the optical train and to shield camera module components from electromagnetic interference (EMI), the EMI housing having defined therein a focus-adjustment aperture that is large enough to permit an object end of the optical train to at least partially protrude therethrough at one end of the auto-focus range; anda light leak baffle that has a baffle aperture defined therein that partially overlaps the focus-adjustment aperture along said optical path, the light leak baffle comprising EMI shield material that partially overlaps the focus adjustment aperture in the direction of the optical path but outside said one end of the auto-focus range.2. The compact camera module of claim 1 , further comprising a lens barrel containing therein one or more of the multiple lenses including the at least one movable lens.3. The compact camera module of claim 1 , wherein the EMI housing comprises an EMI coating.4. The compact camera module of claim 1 , wherein the light leak baffle comprises a conductive material that provides EMI ...

Auto-Focus Camera Module with Interior Conductive Trace

A compact camera module includes a housing with an interior framework or separate interior bracket that has a conductive trace that runs along one or more surfaces thereof and electrically connects a lens actuator to a printed circuit to carry auto-focus control signals to the lens actuator from the printed circuit. 1. An auto focus digital camera module , comprising:a housing having an outer surface for enclosing the camera module and an interior framework;an image sensor within the housing;an optical train coupled within the interior framework of housing and aligned with the image sensor defining an optical path and comprising multiple lenses including at least one movable lens coupled to a lens actuator configured to move the at least one movable lens along the optical path to focus an image of a subject that is disposed within an auto-focus range of the camera module;a printed circuit coupled to the image sensor to power the camera module and to carry electronic signals that include digital images captured by the image sensor, the printed circuit also being coupled electronically to the lens actuator to carry lens actuator control signals;an electromagnetic interference (EMI) shield coating on an outside surface of the housing; anda conductive trace on an interior framework of the housing that permits lens actuator control signals to be carried from electrical contact pads on the printed circuit to contact pads on the lens actuator.2. The auto-focus digital camera module of claim 1 , wherein the actuator comprises a MEMS actuator.3. The auto-focus digital camera module of claim 1 , wherein the printed circuit comprises a flexible printed circuit (FPC).4. The auto-focus digital camera module of claim 1 , further comprising one or more shock absorbing sponges disposed between the housing and the optical train claim 1 , including shock absorbing sponge material on each interior side of the housing; and wherein one or more sponge compression gaps is/are defined ...

STABILIZED PICO-PROJECTOR DEVICE AND RELATED IMAGE STABILIZATION METHOD

A pico-projector device includes a light source operable to generate a light beam as a function of an image to be generated, a mirror mechanism operable to direct the light beam towards a displaying surface, and a driving circuit that supplies driving signals for controlling movement of the mirror mechanism. The driving circuit includes a compensation stage that receives angular velocity signals from a gyroscopic sensor coupled to the pico-projector device and generates the driving signals as a function of the angular velocity signals, thereby stabilizing the image projected on the displaying surface with respect to undesired movements of the pico-projector device. 1. A pico-projector device , comprising:a light source operable to generate a light beam as a function of an image to be generated;a mirror mechanism operable to direct the light beam towards a displaying surface; anda driving circuit configured to supply driving signals for movement of said mirror mechanism, said driving circuit further comprising a compensation stage configured to receive angular velocity signals from a gyroscopic sensor coupled to said pico-projector device, and to generate said driving signals as a function of said angular velocity signals, thereby stabilizing the image projected on said displaying surface with respect to undesired movements of said pico-projector device.2. The device according to claim 1 , wherein said driving circuit comprises a generator stage configured to generate control signals for said mirror mechanism as a function of said image to be generated and of a desired scanning path on said displaying surface; wherein said compensation stage is configured to generate compensation signals as a function of said angular velocity signals and to apply a correction to said control signals as a function of said compensation signals for generation of said driving signals.3. The device according to claim 2 , wherein said compensation stage comprises: a processing unit ...

Electronic Device

An electronic device includes a lens assembly, a lens focusing rod, a power switch and a lens protective cover. When the lens protective cover is located in the first position, the lens assembly is shielded by the lens protective cover, the power switch is turned off, and the lens protective cover is separated from the lens focusing rod. When the lens protective cover is located in the second position, the power switch is turned on, and the lens protective cover is contacted with the lens focusing rod. When the lens protective cover is moved between the second position and the third position, the power switch is turned on, and the lens assembly is driven by the lens protective cover through the lens focusing rod for focusing operation. 1. An electronic device , comprising:a lens assembly;a lens focusing rod connected to the lens assembly and utilized to drive the lens assembly to move along an optical axis for focusing operation;a power switch;a lens protective cover movable in a direction perpendicular to the optical axis between a first position, a second position and a third position, in which when the lens protective cover is located in the first position, the lens assembly is shielded by the lens protective cover, the power switch is turned off, and the lens protective cover is separated from the lens focusing rod; when the lens protective cover is located in the second position, the power switch is turned on, and the lens protective cover is contacted with the lens focusing rod; and when the lens protective cover is moved between the second position and the third position, the power switch is turned on, and the lens assembly is driven by the lens protective cover through the lens focusing rod for the focusing operation.2. The electronic device as claimed in claim 1 , wherein the lens assembly comprises a convex pin claim 1 , the lens focusing rod is rotatable claim 1 , and the lens focusing rod is provided with an arc-shaped slot utilized to accommodate the ...

ZOOM LENS AND IMAGE-PICKUP APPARATUS INCLUDING THE SAME

The zoom lens includes a front unit including a first positive lens unit and a second positive or negative lens unit, a reflective mirror and a rear unit including two or more lens units. During zooming, the reflective mirror is not moved, and the first lens unit and at least two lens units of the rear unit are moved. When the zoom lens is retracted into a body of an image pickup apparatus, at least one of rotation of the reflective mirror such that a normal line thereto is brought closer to parallel to an optical axis of the rear unit and axial movement thereof in a direction of the optical axis of the rear unit is performed. The front unit is moved into a space formed by the at least one of the rotation and the axial movement. Conditions of 10.5 Подробнее

CONTROL DEVICE, ACTUATOR INCLUDING CONTROL DEVICE, IMAGE BLUR CORRECTION DEVICE, INTERCHANGEABLE LENS, IMAGE PICKUP APPARATUS, AND AUTOMATIC STAGE

A control device includes: a controller that outputs control, signals pertaining to at least two directions, respectively, based on predetermined gains in a normal operation mode, and outputs control signals based on gains set with respect to the two directions, respectively, in a learning operation mode; a controlled amount calculating unit that receives the control signals and outputs signals pertaining to drive parameters with respect to at least two motors, respectively, wherein the controlled amount calculating unit includes: a characteristic difference calculating unit that calculates characteristic differences between at least the two motors based on the control signals; and a gain compensator that corrects controlled amount pertaining to drive parameters of at least the two motors according to the calculated characteristic differences of at least the two motors, and outputs the signals. 1. A control device , comprising:a controller configured to output a first control signal pertaining to a first direction and a second control signal pertaining to a second direction crossing the first direction based on predetermined gains in a normal operation mode, and to output a third control signal and a fourth control signal based on gains set with respect to the first direction and the second direction, respectively, in a learning operation mode; anda controlled amount calculating unit configured to receive the third control signal and the fourth control signal, and to output a fifth control signal and a sixth control signal pertaining to drive parameters with respect to at least a first motor and a second motor, respectively, the first motor and the second motor being configured to drive a moving body,wherein the controlled amount calculating unit comprises:a characteristic difference calculating unit configured to calculate characteristic differences between at least the first motor and the second motor based on the third control signal and the fourth control signal ...

FOCUS CONTROL DEVICE, METHOD FOR CONTROLLING FOCUS AND IMAGE PICKUP APPARATUS

A focus control device includes a first focus-lens group, a second focus-lens group, a wobbling control unit that generates a first wobbling control signal used to control a wobbling motion of the first focus-lens group and generates a second wobbling control signal used to control a wobbling motion of the second focus-lens group, and a phase control unit that controls the phase of the first and second wobbling control signals, wherein the phase control unit corrects the phase of the first wobbling control signal to cause the first focus-lens group to make a first target wobbling motion and corrects the phase of the second wobbling control signal to cause the second focus-lens group to make a second target wobbling motion. 1. A focus control device comprising:a first focus-lens group;a second focus-lens group;a wobbling control unit that generates a first wobbling control signal used to control a wobbling motion of the first focus-lens group and generates a second wobbling control signal used to control a wobbling motion of the second focus-lens group; anda phase control unit that controls the phase of the first wobbling control signal and the phase of the second wobbling control signal, whereinthe phase control unitcorrects the phase of the first wobbling control signal to cause the first focus-lens group to make a first target wobbling motion andcorrects the phase of the second wobbling control signal to cause the second focus-lens group to make a second target wobbling motion.2. The focus control device according to claim 1 , whereina detection area is set in order to perform a focus evaluation on an image signal captured by an image pickup unit, andthe first target wobbling motion and the second target wobbling motion are motions set such that centers of periods of sections of the wobbling motions substantially coincide with an exposure period of a central pixel in the detection area.3. The focus control device according to claim 1 , whereinthe phase control ...

BLUR CORRECTION APPARATUS

A blur correction apparatus is provided that includes a blur correction mechanism and a locking member. The blur correction mechanism compensates for camera shake by driving a movable portion provided with a correction lens or an imaging device. The locking member restricts movement of the movable portion within a locked range of motion. The movable portion is suspended in a current position by the blur correction mechanism when a release operation is performed in a state in which the movable portion is locked by the locking member. 1. A blur correction apparatus , comprising:a blur correction mechanism that compensates for camera shake by driving a movable portion provided with one of a correction lens and an imaging device; anda locking member which restricts movement of the movable portion within a locked range of motion;the movable portion is suspended in a current position by the blur correction mechanism when a release operation is performed in a state in which the movable portion is locked by the locking member.2. The blur correction apparatus according to claim 1 ,wherein the movable portion includes a circular frame portion;the locking member is a lock ring which surrounds the periphery of the circular frame portion;a plurality of protrusions are arranged on an outer circumference of the circular frame portion;a plurality of recesses corresponding to the plurality of protrusions are arranged on a circular inner circumference of the lock ring;the lock ring is movable between a locked position and the unlocked position;in the locked position, movement of the movable portion is restricted by contact between the protrusions and the circular inner circumference; andin the unlocked position, the protrusions are aligned with the recesses so that the movable portion is made movable for blur correction.3. The blur correction apparatus according to claim 1 , wherein a movement of the movable portion toward a center position is performed by designating a desired ...

Lens apparatus, support apparatus therefor, and image capturing system

A lens apparatus is electrically connected to a support apparatus including a detecting unit that detects displacement information corresponding to pan or tilt. The lens apparatus includes a converter configured to convert the displacement information into control information; an image stabilization unit configured to perform image stabilization by using the control information; and a format transmitting unit configured to transmit a signal used for discriminating a format of the displacement information to the converter. The converter uses the signal transmitted from the format transmitting unit to convert the displacement information into the control information.

Zoom lens and image-pickup apparatus having the same

A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive power. Each lens unit moves so that a distance between adjacent lens units changes during zooming. The third lens unit includes a positive lens G 3 i closest to the image side which has a concave meniscus surface on an image side. A conditional expression 0.03<R 3 i 2 /ft<0.25 is satisfied where R 3 i 2 is a radius of curvature of a lens surface on the image side of the positive lens G 3 i, and ft is a focal length of the overall system at a telephoto end.

IMAGING APPARATUS

An imaging apparatus includes a front lens group including a front lens element and a prism, a prism holder which supports the prism, a movable frame which supports the front lens element and is supported by the prism holder to be movable along a plane orthogonal to the optical axis, and a driver which drives the movable frame to reduce image shake. The driver includes a permanent magnet and a coil positioned in a magnetic field of the permanent magnet, wherein one of the permanent magnet and the coil is a movable element which is fixed to the movable frame to move with the movable frame, the other of the permanent magnet and the coil is a fixed element, which does not move with the movable frame, and a position of the fixed element is determined by the prism holder. 1. An imaging apparatus comprising:a front lens group which constitutes part of an imaging optical system of said imaging apparatus and is provided at a fixed position with respect to an optical axis direction, wherein said front lens group includes at least one front lens element and a prism, in that order from an object side, and wherein light rays exiting from said front lens element along a first optical axis are reflected by said prism to travel along a second optical axis that is nonparallel to said first optical axis;at least one rear lens group which constitutes another part of said imaging optical system and is provided closer to an image plane side than said front lens group;a prism holder which supports at least said prism of said front lens group;a movable frame which supports said front lens element of said front lens group and is supported by said prism holder to be movable along a plane orthogonal to said first optical axis; and wherein said driver comprises a permanent magnet and a coil positioned in a magnetic field of said permanent magnet,', 'wherein one of said permanent magnet and said coil is a movable element which is fixed to said movable frame to move with said movable frame,', ...

IMAGING APPARATUS

An imaging apparatus includes a front lens group including a front lens element and a reflector, a movable frame supporting the front lens element, and a driver driving the movable frame to reduce image shake. The driver includes first and second voice coil motors, each including a coil and a magnet. The magnets are positioned orthogonal to each other in a plane orthogonal to a first optical axis that passes through the front lens element. The first and second voice coil motors are positioned on opposite sides of a first plane, including the first optical axis and a second optical axis that extends from the reflector. Centers of each magnet and coil are on one side of a second plane, including the first optical axis and is orthogonal to the first plane. The magnets are inclined and approach the first plane in a direction away from the second plane. 1. An imaging apparatus comprising:a front lens group which constitutes part of an imaging optical system of said imaging apparatus and is provided at a fixed position with respect to an optical axis direction, wherein said front lens group includes at least one front lens element and a reflector, in that order from an object side, and wherein light rays exiting from said front lens element along a first optical axis are reflected by said reflector to travel along a second optical axis that is nonparallel to said first optical axis;at least one rear lens group which constitutes another part of said imaging optical system and is provided closer to an image plane side than said front lens group;a support member which supports at least said reflector of said front lens group;a movable frame which supports said front lens element of said front lens group and is supported by said support member to be movable along a plane orthogonal to said first optical axis; anda driver which drives said movable frame in said plane, in response to vibrations applied to said imaging optical system, to reduce image shake on said image plane, ...

Integrated Substrate for Anti-Shake Apparatus

An integrated substrate for an anti-shake apparatus defined with an optical axis includes: a substrate, a lens module, an anti-shake apparatus and an image-sensing module. The substrate includes a frame having a predetermined thickness. The frame includes a first surface, a second surface, a first circuit layout, and a second circuit layout. The lens module is located above the substrate on the optical axis. The anti-shake apparatus is furnished between the lens module and the substrate. The image-sensing module has an active side and an inactive side, and the inactive side is furnished onto the second surface. The active side is located on the optical axis in a manner of facing the lens module. The anti-shake apparatus is coupled to the first circuit layout, while the image-sensing module is coupled to the second circuit layout. The first and second circuit layouts comprise a plurality of first and second metal leads, respectively.

IMAGE STABILIZER

An image stabilizer applicable to a monocular or binocular optical system. The stabilizer includes an erecting prism placed between an objective lens and an eyepiece to compensate for deterioration in a quality of an observed image caused by hands movement. The image stabilizer includes a gimbal suspension system having pivot shafts respectively extending to left and right sides of the optical axis of the optical system. The pivot shafts have a common pivot axis perpendicular to the optical axis. The gimbal suspension system has an erecting-prism holder supported by the pivot shafts, an angular velocity detector for detecting an angular displacement of the erecting prism, and a voice coil motor for pivoting the erecting-prism holder. 1. An image stabilizer applicable to a monocular or binocular optical system that comprises an erecting prism placed between an objective lens and an eyepiece , which image stabilizer compensates for deterioration in a quality of an observed image caused by hands movement of a user , the image stabilizer comprising:a gimbal suspension system fixed to a case in which the objective lens and the eyepiece are fixed, comprising pivot shafts respectively extending to left and right sides of an optical axis of the monocular or binocular optical system, which passes through the objective lens and the eyepiece, wherein the pivot shafts have a common pivot axis perpendicular to the optical axis;wherein the gimbal suspension system comprising an erecting-prism holder for holding the erecting prism, the erecting-prism holder supported by the pivot shafts so as to be pivotable around the common pivot axis; an angular velocity detector, fixed to the erecting prism or the erecting-prism holder, for detecting an angular displacement of the erecting prism caused by the hands movement; and a voice coil motor for pivoting the erecting-prism holder,wherein the voice coil motor comprises a first yoke to which a hollow coil is attached, wherein a position- ...

ZOOM LENS AND IMAGING APPARATUS

A zoom lens substantially consists of, in order from the object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a negative fifth lens group. When varying magnification, the distances between adjacent lens groups) are changed, while all of the lens groups are moved with respect to an image formation position. When focusing, only the fifth lens group is shifted, and the third lens group has a third-a lens group having positive refractive power and a third-b lens group having negative refractive power, which are arranged in this order from the object side, only the third-b lens group is moved in a direction perpendicular to the optical axis to achieve camera shake correction. 1. A zoom lens , substantially consisting of:a first lens group having positive refractive power;a second lens group having negative refractive power;a third lens group having positive refractive power;a fourth lens group having positive refractive power; anda fifth lens group having negative refractive power, which are arranged in this order from an object side of the zoom lens,wherein when varying magnification from a wide angle end to a telephoto end, the distance between the first lens group and the second lens group is consistently increased, the distance between the second lens group and the third lens group is consistently decreased, the distance between the third lens group and the fourth lens group is consistently decreased, and the distance between the fourth lens group and the fifth lens group is changed, while all of the lens groups are moved with respect to an image formation position,wherein when moving a point of focus from an infinity side to a near side to achieve focus, only the fifth lens group is moved to the image side,wherein the third lens group comprises a third-a lens group having positive refractive power and a third-b lens group having negative refractive group, which are arranged in this ...

ZOOM LENS AND IMAGE-PICKUP APPARATUS

A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a rear unit including a plurality of lens units. A distance between adjacent lens units changes during zooming. An aperture stop is arranged on an image side of the first lens unit. An image stabilizing unit Ls comprising at least part of the second lens unit moves in a direction perpendicular to an optical axis during blurring correction. The predetermined conditional expressions are satisfied. 3. The zoom lens according to claim 1 , wherein the image stabilizing unit Ls comprises a positive lens.6. The zoom lens according to claim 1 , wherein the zoom lens comprises a lens unit for focusing on an image side of the aperture stop.7. The zoom lens according to claim 1 , wherein the rear unit claim 1 , in order from the object side to the image side claim 1 , comprises a third lens unit having a negative refractive power and a fourth lens unit having a positive refractive power.8. The zoom lens according to claim claim 1 , wherein the rear unit claim 1 , in order from the object side to the image side claim 1 , comprises a third lens unit having a positive refractive power claim 1 , a fourth lens unit having a negative refractive power and a fifth lens unit having a positive refractive power.9. The zoom lens according to claim 7 , wherein the third lens unit moves in the optical axis direction during focusing.10. The zoom lens according to claim 8 , wherein the third lens unit moves in the optical axis direction during focusing.11. The zoom lens according to claim 1 , wherein the zoom lens forms an image on a photoelectric conversion element. 1. Field of the InventionThe present invention relates to a zoom lens and an image pickup apparatus suitable an image pickup optical system, for example, such as a digital camera, a video camera, a TV camera, a security camera, and a silver-halide ...

IMAGE SHAKE CORRECTION APPARATUS, AND OPTICAL DEVICE USING THE SAME

An image shake correction apparatus includes a first fixing member; a movable member configured to correct the image shake, and configured to hold an optical element; a plurality of spherical members that are movable; a biasing member configured to apply a biasing force through the spherical member in the optical axis direction; a second fixing member that is disposed on the opposite side of the optical axis direction; and a plurality of damping members disposed in the second fixing member that suppresses vibration resulting from movement of the movable member. Either one of the first fixing member or the movable member includes a contact surface configured to make contact with the spherical member, and the maximum movable range of the contact surface overlaps with at least a portion of the installation region of the damping member in the optical axis direction. 1. An image shake correction apparatus , the apparatus comprising:a first fixing member;a movable member configured to correct image shake by moving in a plane that is perpendicular to an optical axis relative to the first fixing member, and configured to hold an optical element; a plurality of spherical members that are movable being sandwiched between the first fixing member and the movable member;a biasing member configured to apply a biasing force through the spherical member in the optical axis direction between the first fixing member and the movable member;a second fixing member that is disposed on the opposite side of the optical axis direction with reference to the first fixing member in a state where the movable member is sandwiched between the first fixing member and the second fixing member; anda plurality of damping members disposed in the second fixing member and suppressing vibration resulting from movement of the movable member by connection with a portion of the movable member,wherein either one of the first fixing member or the movable member includes a contact surface configured to make ...

IMAGE SHAKE CORRECTION APPARATUS, AND OPTICAL EQUIPMENT AND IMAGING DEVICE PROVIDED WITH SAME

An image shake correction apparatus includes a fixed member; a movable member configured to hold a correcting member that corrects image shake and configured to have a first connecting unit and a second connecting unit; a first moving member connected to the first connecting unit, and configured to move the movable member in a first direction via the first connecting unit; a second moving member connected to the second connecting unit, and configured to move the movable member in a second direction different from the first direction via the second connecting unit; a first drive unit configured to drive the first moving member; and a second drive unit configured to drive the second moving member independently of driving of the first moving member. The first drive unit and the second drive unit share a constituent component. 1. An image shake correction apparatus , the apparatus comprising:a fixed member;a movable member configured to hold a correcting member that corrects image shake, which is supported so as to be movable in a direction perpendicular to an optical axis relative to the fixed member, and configured to have a first connecting unit and a second connecting unit;a first moving member connected to the first connecting unit, and configured to move the movable member in a first direction via the first connecting unit;a second moving member connected to the second connecting unit, and configured to move the movable member in a second direction different from the first direction via the second connecting unit;a first drive unit configured to drive the first moving member; anda second drive unit configured to drive the second moving member independently of driving of the first moving member by the first drive unit,wherein the first drive unit and the second drive unit share a constituent component.2. The image shake correction apparatus according to claim 1 , wherein the first and second drive units comprise a first component that is provided in the fixed ...

OPTICAL APPARATUS AND IMAGE-PICKUP APPARATUS INCLUDING THE SAME

An optical apparatus includes an image stabilizer configured to drive a first optical member in a direction perpendicular to an optical axis and to stabilize an image, a light amount adjuster that includes a plurality of blades, and is configured to change a diameter of an aperture configured to transmit a light flux, by rotating the blades, a driver configured to drive the light amount adjuster in the direction perpendicular to the optical axis, and a controller configured to control a driving amount of the driver in accordance with a driving amount of the image stabilizer. The controller drives the image stabilizer and the light amount adjuster in equal directions. 1. An optical apparatus comprising:an image stabilizer configured to drive a first optical member in a direction perpendicular to an optical axis and to stabilize an image;a light amount adjuster that includes a plurality of blades, and is configured to change a diameter of an aperture configured to transmit a light flux, by rotating the blades,a driver configured to drive the light amount adjuster in the direction perpendicular to the optical axis; anda controller configured to control a driving amount of the driver in accordance with a driving amount of the image stabilizer,wherein the controller drives the image stabilizer and the light amount adjuster in equal directions.2. The optical apparatus according to claim 1 , wherein the blades respectively have a curved shape portion.3. The optical apparatus according to claim 2 , further comprising a second optical member disposed on an object side of the first optical member claim 2 ,wherein the first optical member and the second optical member are disposed adjacent to each other in an optical axis direction so that a concave curved surface formed on the first optical member and a convex curved surface of the second optical member face each other,wherein the light amount adjuster is disposed in between the first optical member and the second optical ...

OPTICAL APPARATUS AND IMAGE PICKUP APPARATUS HAVING THE SAME

An optical apparatus includes a first optical member () on which a concave curved surface is formed, a second optical member () on which a convex curved surface is formed, and a light amount adjuster () that includes a plurality of blade members () each having a convex curved shape portion and that changes size of an aperture to pass a light beam by a rotation of the blade members (), the first and second optical members are disposed side by side in an optical axis direction so that the concave curved surfaces of the first and second optical members face each other, the light amount adjuster is disposed between the first and second optical members, and a radius of curvature of the convex curved shape portion of the blade member is smaller than that of the first optical member and is larger than that of the second optical member. 1. An optical apparatus comprising:a first optical member on which a concave curved surface is formed;a second optical member on which a convex curved surface is formed; anda light amount adjuster which includes a plurality of blade members each having a convex curved shape portion, configured to change a size of an aperture to pass a light beam by a rotation of the blade members,wherein the first optical member and the second optical member are disposed side by side in an optical axis direction so that the concave curved surface of the first optical member and the convex curved surface of the second optical member face each other,wherein the light amount adjuster is disposed between the first optical member and the second optical member, andwherein a radius of curvature of the convex curved shape portion of the blade member is smaller than a radius of curvature of the concave curved surface of the first optical member and is larger than a radius of curvature of the convex curved surface of the second optical member.2. The optical apparatus according to claim 1 , further comprising an image stabilizer configured to drive the second optical ...

PRISM APPARATUS AND CAMERA APPARATUS INCLUDING THE SAME

The present disclosure relates to a prism apparatus, and a camera apparatus including the same. The prism apparatus according to an embodiment of the present disclosure may include: a prism configured to reflect input light toward a first reflected direction; a first actuator configured to change an angle of the prism about a first rotation axis to change the first reflected direction based on a first control signal; a lens configured to output the light reflected by the prism toward a second reflected direction; and a second actuator configured to change an angle of the lens about a second rotation axis to change the second reflected direction based on a second control signal. Accordingly, it is possible to implement the optical image stabilization (OIS) for the prism. 1. A prism apparatus comprising:a prism configured to reflect input light toward a first reflected direction;a first actuator configured to change an angle of the prism about a first rotation axis to change the first reflected direction based on a first control signal;a lens configured to output the light reflected by the prism toward a second reflected direction; anda second actuator configured to change an angle of the lens about a second rotation axis to change the second reflected direction based on a second control signal.2. The prism apparatus of claim 1 , further comprising a frame in which the lens is mounted claim 1 ,wherein the second actuator comprises a first driving device and a second driving device connected to both ends of the frame, and changes the second reflected direction by moving at least one of the first driving device and the second driving device.3. The prism apparatus of claim 1 , wherein the lens comprises a liquid lens claim 1 ,wherein by applying an electrical signal to the liquid lens, the second actuator changes a curvature of the liquid lens.4. The prism apparatus of claim 1 , wherein the first rotation axis of the prism is perpendicular to the second rotation axis of ...

LENS DEVICE, IMAGING APPARATUS, AND METHOD OF DETECTING POSITION OF MOVABLE LENS

A lens device includes: a lens that is movable in an optical axis direction; a rotating member that rotates in conjunction with movement of the lens in the optical axis direction; a first signal detection section that detects a signal which changes in accordance with a position of the lens in the optical axis direction; a second signal detection section that detects a signal which changes in accordance with an amount of rotation of the rotating member; a first lens position detection section that detects the position of the lens based on the signal detected by the first signal detection section; a second lens position detection section that detects the position of the lens based on the signal detected by the second signal detection section; and a control section as defined herein. 1. A lens device comprising:a lens that is movable in an optical axis direction;a rotating member that rotates in conjunction with movement of the lens in the optical axis direction;a first signal detection section that detects a signal which changes in accordance with a position of the lens in the optical axis direction;a second signal detection section that detects a signal which changes in accordance with an amount of rotation of the rotating member;a first lens position detection section that detects the position of the lens based on the signal detected by the first signal detection section;a second lens position detection section that detects the position of the lens based on the signal detected by the second signal detection section;a control section that performs first control for outputting information of the position of the lens, which is detected by the first lens position detection section, and thereafter performs second control for outputting information of the position of the lens, which is detected by the second lens position detection section, if power is supplied; anda direction determination section that determines whether or not a direction of an optical axis of the lens ...

LENS BARREL AND OPTICAL DEVICE

A lens barrel that is capable of reducing unnecessary movement of an optical element. A first unit has a first correction optical element arranged on an optical axis and a first magnet that moves the first correction optical element along a first spherical surface around a first point on the optical axis. A second unit has a second correction optical element arranged on the optical axis and a second magnet that moves the second correction optical element along a second spherical surface of which radius is smaller than the radius of the first spherical surface around a second point on the optical axis. A magnetic body is arranged on at least one of the first unit and the second unit, and reduces leakage of magnetic flux from a facing part of the second magnet that faces the first magnet. 1. A lens barrel comprising:a first unit configured to have a first correction optical element arranged on an optical axis, and a first magnet that moves the first correction optical element along a first spherical surface around a first point on the optical axis;a second unit configured to have a second correction optical element arranged on the optical axis, and a second magnet that moves the second correction optical element along a second spherical surface of which radius is smaller than the radius of the first spherical surface around a second point on the optical axis; anda magnetic body configured to be arranged on at least one of said first unit and said second unit, and to reduce leakage of magnetic flux from a facing part of the second magnet that faces the first magnet.2. The lens barrel according to claim 1 , wherein said magnetic body is arranged on said second unit.3. The lens barrel according to claim 1 , wherein said magnetic body is made from soft magnetic material.4. The lens barrel according to claim 1 , wherein said magnetic body is a yoke.5. The lens barrel according to claim 1 , wherein said magnetic body is magnetized in a magnetic pole that is different from a ...

OPTICAL UNIT WITH SHAKE CORRECTION FUNCTION

An optical unit may include a movable body holding an optical module by a holder, a fixed body having a body part surrounding the movable body, a support mechanism swingably supporting the movable body, and a shake correction drive mechanism that swings the movable body. The holder includes a plurality of wall parts on an outer periphery of the optical module, and the wall part holds a part of the shake correction drive mechanism, and the support mechanism includes a movable frame surrounding the optical module and a plurality of swing support parts supporting the movable frame. The movable frame includes supporting point parts contacting the swing support parts, and connecting parts connecting supporting point parts adjacent to each other. The supporting point parts are located on an outer periphery of wall parts, and the connecting parts are disposed so as to pass on inner sides of the wall parts. 1. An optical unit with a shake correction function comprising:a movable body comprising an optical and a holder, the optical module being held by the holder;a fixed body comprising a body part which surrounds the movable body;a support mechanism structured to swingably support the movable body with respect to the fixed body; anda shake correction drive mechanism structured to swing the movable body;wherein the holder comprises a plurality of wall parts disposed on an outer peripheral side with respect to the optical module and the wall part holds a part of the shake correction drive mechanism;wherein the support mechanism comprises a movable frame which surrounds the optical module and a plurality of swing support parts supporting the movable frame;wherein the movable frame comprises supporting point parts contacting with the swing support parts, and connecting parts connecting the supporting point parts adjacent to each other; andwherein the supporting point parts are located on an outer peripheral side with respect to the wall parts and the connecting parts are ...

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. 1. A universal adjustable lens adapter comprising:a lens mount assembly;a clamp mount assembly; anda handle assembly, wherein:the lens mount assembly comprises a lens mount base and a lens mount ring;the handle assembly comprises a clamp mount support, a lens mount support, a first handle, and a second handle;the lens mount base is slidably connected to the lens mount support along a first slide axis;the clamp mount assembly is slidably attached to the clamp mount support along a second slide axis; andthe first slide axis and the second slide axis are aligned perpendicular to each other.2. The universal adjustable lens adapter of claim 1 , wherein:the clamp mount support comprises a first handle standoff shaft and a second handle standoff shaft; andthe clamp mount assembly is slidably attached to the first handle standoff shaft and the second handle standoff shaft.3. The universal adjustable lens adapter of claim 2 , wherein:the clamp mount assembly comprises a clamp base; andthe clamp base is slidably attached to the first handle standoff shaft and the second handle standoff shaft.4. ...

ASYMMETRIC SMA ACTUATOR

An SMA actuator () comprising SMA wires () in which the wire arrangement is asymmetrical, allowing a greater range of motion from a rest position in a first direction than in a second direction, which may be opposite or orthogonal to the first direction. Where the directions are opposite, the angle between a principal axis and the wires providing motion in the first direction may be different from the angle between the principal axis and the wires providing motion in the second direction. 1. An SMA actuation apparatus comprising:a support structure;a movable element supported on the support structure in a manner allowing movement of the movable element relative to the support structure; and the first and second directions are opposite and lie along a principal axis of the apparatus; and', 'the first and second groups of SMA actuator wires are arranged such that the range of possible motion of the movable element from a rest position in the first direction is greater than the range of possible motion of the movable element from the rest position in the second direction., 'a plurality of SMA actuator wires connected between the support structure and the movable element and arranged such that, on contraction, a first group of one or more of the SMA actuator wires provides a force on the movable element in a first direction and, on contraction, a second group of one or more of the SMA actuator wires provides a force on the movable element in a second direction, wherein2. (canceled)3. An SMA actuation apparatus according to claim 1 , wherein the angle between the principal axis and each wire in the first group of SMA actuator wires is smaller than the angle between the principal axis and each wire in the second group of SMA actuator wires.4. An SMA actuation apparatus according to wherein the first and second direction are perpendicular to each other.5. An SMA actuation apparatus according to wherein a third group of the SMA actuator wires are arranged such that claim 1 ...

LENS DRIVING MECHANISM

A lens driving mechanism is provided for driving a first lens and a second lens to move, wherein light enters the first and second lenses along a light incident direction. The lens driving mechanism includes a first base movably connected to the first lens, a first driving assembly, and a second driving assembly. The first driving assembly has a first magnet and a first coil corresponding thereto for moving the first lens. The second driving assembly has a second magnet and a second coil corresponding thereto for moving the second lens. The first magnet is adjacent to the second magnet, and the polar direction of the first magnet is parallel to the light incident direction. 1. A lens driving mechanism for driving a first lens and a second lens to move , wherein light enters the first and second lenses along a light incident direction , the lens driving mechanism comprising:a first base, movably connected to the first lens;a first driving assembly, having a first magnet and a first coil corresponding to the first magnet for moving the first lens; anda second driving assembly, having a second magnet and a second coil corresponding to the second magnet for moving the second lens, wherein the first magnet is adjacent to the second magnet, and the polar direction of the first magnet is parallel to the light incident direction.2. The lens driving mechanism as claimed in claim 1 , further comprising a magnetic permeable element connected to the first magnet.3. The lens driving mechanism as claimed in claim 2 , wherein the magnetic permeable element is disposed on a side of the first magnet claim 2 , and the first magnet is located between the magnetic permeable element and the first coil.4. The lens driving mechanism as claimed in claim 1 , wherein the polar direction of the second magnet is perpendicular to the light incident direction.5. The lens driving mechanism as claimed in claim 4 , further comprising a magnetic permeable element connected to the first magnet.6. The ...

ELECTROMAGNETIC ACTUATOR

Provided is an electromagnetic actuator for which the wiring structure thereof can be simplified, for which the thickness thereof can be reduced, and with which a desired drive force can be attained. An electromagnetic actuator is provided with: a base member; a drive frame that is supported so as to be movable in relation to the base member; a coil that is fixed to the base member; and a magnet that is fixed to the drive frame. The coil is formed as an injection-molded circuit part, and the base member has formed thereon a circuit that connects to the coil. 1. An electromagnetic actuator comprising:a base member;a driving frame supported so as to enable movement in respect to the base member;a coil secured to the base member; anda magnet secured to the driving frame, wherein:the coil formed as an injection molded circuit component; anda circuit, connecting to the coil, is formed on the base member.2. The electromagnetic actuator as set forth in claim 1 , wherein: multiple layers of interconnection layers, with insulating layers therebetween, and', 'an electrically conductive portion connecting the interconnection layers, of the different layers, together., 'the coil comprises3. The electromagnetic actuator as set forth in claim 2 , wherein:the electrically conductive portion is formed through an electrically conductive layer that is formed in a hole portion, or on an inside surface of a groove portion, that exposes the interconnection layers of the different layers.4. The electromagnetic actuator as set forth in claim 2 , wherein:the electrically conductive portion is formed from an electrically conductive member that passes through, in the direction of thickness, the interconnection layers of the different layers.5. A lens driving device comprising an electromagnetic actuator as set forth in claim 1 , wherein: the driving frame holds a lens.6. An imaging device comprising a lens driving device as set forth in .7. A mobile information terminal comprising a ...

LENS MOVING APPARATUS

A lens moving apparatus includes a bobbin on which a first coil is disposed, a first magnet disposed around the bobbin to face the first coil, and a housing, which is disposed to surround at least a portion of the bobbin and has a first magnet mounting seat, which receives the first magnet, wherein the housing is provided with an adhesive inlet, which allows a side portion of the first magnet mounting seat to communicate with an outside surface of the housing. 1. A lens moving apparatus comprising:a housing comprising a magnet mounting seat;a bobbin disposed in the housing;a first coil disposed on the bobbin;a magnet disposed in the magnet mounting seat; andan adhesive disposed between the magnet and the magnet mounting seat,wherein the magnet mounting seat is positioned at a corner of the housing, andwherein the housing comprises an adhesive inlet depressed from a lower surface of the housing so as to allow the magnet mounting seat to communicate with an outside surface of the housing.2. The lens moving apparatus according to claim 1 , wherein the magnet mounting seat is a recess or a hole.3. The lens moving apparatus according to claim 1 , wherein the adhesive inlet is disposed at a lower portion of the corner of the housing.4. The lens moving apparatus according to claim 1 , wherein the adhesive inlet is disposed at a side surface of the magnet mounting seat.5. The lens moving apparatus according to claim 5 , wherein the adhesive inlet is formed at a lower portion of the side surface of the magnet mounting seat.6. The lens moving apparatus according to claim 1 , wherein the magnet mounting seat is a recess comprising an upper surface facing an upper surface of the magnet claim 1 , a first side surface facing a first side surface of the magnet claim 1 , a second side surface connected to one side edge of the first side surface of the recess claim 1 , a third side surface connected to an other side edge of the first side surface of the recess claim 1 , and an open ...

STABILIZER FOR CAMERA SHOOTING

A stabilizer for camera shooting, which enables correction of a position of a camera module, includes a frame having an inner space, a plurality of camera modules mounted on the frame, each of the plurality of camera modules including a lens for shooting an outside of the frame, a first brushless motor arranged in the inner space and rotating the frame around a first rotation axis, and a second brushless motor arranged in the inner space and rotating the frame around a second rotation axis crossing the first rotation axis on a same plane, in which the frame is rotatably coupled to the first brushless motor via a first shaft, the frame capable of rotating with respect to the first brushless motor, and a height of each lens in a Z-axis direction is within a range of a shortest dimension in a transverse direction between the frame and a center of the inner space of the frame with respect to the first shaft. 1. A stabilizer for camera shooting , the stabilizer enabling correction of a position of a camera module and comprising:a frame having an inner space;a plurality of camera modules mounted on the frame, each of the plurality of camera modules including a lens for shooting an outside of the frame;a first brushless motor arranged in the inner space and rotating the frame around a first rotation axis; anda second brushless motor arranged in the inner space and rotating the frame around a second rotation axis crossing the first rotation axis on a same plane,wherein the frame is rotatably coupled to the first brushless motor via a first shaft, the frame capable of rotating with respect to the first brushless motor, anda height of each lens in a Z-axis direction is within a range of a shortest dimension in a transverse direction between the frame and a center of the inner space of the frame with respect to the first shaft.2. The stabilizer for camera shooting of claim 1 , further comprising:an orthogonal frame extending upward in the Z-axis direction with respect to the ...

LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE

The lens driving device includes: an AF movable part; an AF fixing part disposed spaced apart from the autofocus movable part; an AF driving section that moves the AF movable part in an optical-axis direction with respect to the AF fixing part; an OIS movable part that includes the AF movable part, the AF fixing part and the AF driving section; an OIS fixing part disposed spaced apart from the OIS movable part; and an OIS driving section that sways the OIS movable part in a plane orthogonal to the optical-axis direction with respect to the OIS fixing part. The AF movable part includes a first position detection magnet and the OIS fixing part includes a hall element provided facing the first position detection magnet in the optical-axis direction. 1. A lens driving device , comprising:an autofocus movable part;an autofocus fixing part disposed spaced apart from the autofocus movable part;an autofocus driving section being configured to move the autofocus movable part in an optical-axis direction with respect to the autofocus fixing part;an optical image stabilization movable part including the autofocus movable part, the autofocus fixing part, and the autofocus driving section;an optical image stabilization fixing part disposed spaced apart from the optical image stabilization movable part; andan optical image stabilization driving section being configured to sway the optical image stabilization movable part in a plane orthogonal to the optical-axis direction with respect to the optical image stabilization fixing part,wherein the autofocus movable part includes a first position detection magnet, andwherein the optical image stabilization fixing part includes a first hall element to be provided facing the first position detection magnet in the optical-axis direction.2. The lens driving device according to claim 1 , whereinthe first position detection magnet is a single-pole magnet and disposed such that a magnetization direction coincides with the optical-axis ...

LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME

An embodiment comprises: a housing including an upper surface, a lower surface, an inner surface, and an outer surface located at the side opposite to the inner surface; a bobbin accommodated in the housing; a first coil disposed at an outer surface of the bobbin; a first magnet disposed at the outer surface of the housing; a second magnet disposed in the housing so as to be spaced apart from the first magnet; and a first position sensor disposed at the outer surface of the bobbin, wherein a first part of the housing is positioned between the second magnet and the inner surface of the housing. 1. A lens moving apparatus comprising:a housing including an upper surface, a lower surface, an inner circumferential surface, and an outer circumferential surface positioned opposite the inner circumferential surface;a bobbin disposed in the housing;a first coil disposed on an outer circumferential surface of the bobbin;a first magnet disposed on the outer circumferential surface of the housing;a second magnet disposed on the housing so as to be spaced apart from the first magnet; anda first position sensor disposed on the outer circumferential surface of the bobbin;wherein a first portion of the housing is positioned between the second magnet and an inner circumferential surface of the housing.2. The lens moving apparatus according to claim 1 , wherein the housing is provided at an upper portion thereof with a first magnet seat on which the second magnet is mounted claim 1 , and the first portion of the housing is positioned between the second magnet mounted on the first magnet seat and the inner circumferential surface of the housing.3. The lens moving apparatus according to claim 2 , wherein the second magnet mounted on the first magnet seat is exposed from the outer circumferential surface of the housing.4. The lens moving apparatus according to claim 2 , wherein the second magnet mounted on the first magnet seat is exposed from the outer circumferential surface and the ...

ZOOM LENS AND IMAGE PICKUP APPARATUS

The zoom lens according to the present invention consists of, in order from an object side to an image side, a positive first lens unit, a negative second lens unit, and a positive rear unit including at least four lens units. The second lens unit moves toward the object side during zooming from a wide angle end to a telephoto end, and an interval between each pair of adjacent lens units is changed during zooming. The rear unit includes a positive lens unit LP, which is arranged closest to the image side. Focal lengths of the zoom lens at the wide angle end and at the telephoto end, focal lengths of the first lens unit and the second lens unit, and a distance from the lens surface of the lens unit LP on the image side to an image plane at the telephoto end are each set appropriately. 1. A zoom lens having a configuration that an interval between each pair of adjacent lens units is changed during zooming , the zoom lens comprising , in order from an object side to an image side:a first lens unit having a positive refractive power;a second lens unit having a negative refractive power; anda rear unit including at least four lens units and having a positive refractive power as a whole,wherein the second lens unit is configured to move toward the object side during zooming from a wide angle end to a telephoto end,wherein the rear unit includes a lens unit LP having a positive refractive power, which is arranged closest to the image side of the zoom lens, and [{'br': None, 'i': f', 'ft<, '0.7<1/1.2;'}, {'br': None, 'i': f', 'fw|<, '0.7<|2/1.0; and'}, {'br': None, 'i': 'dLP/ft<', '0.1<0.4,'}], 'wherein the following conditional expressions are satisfiedwhere “fw” represents a focal length of the zoom lens at the wide angle end, “ft” represents a focal length of the zoom lens at the telephoto end, f1 represents a focal length of the first lens unit, f2 represents a focal length of the second lens unit, and dLP represents a distance from a lens surface of the lens unit LP on ...