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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 5. Отображено 5.
25-04-2013 дата публикации

DIGITAL HOLOGRAM IMAGE REPRODUCING DEVICE AND SYNCHRONIZATION CONTROL METHOD THEREOF

Номер: US20130100181A1
Автор: Baek Seungho, Choe Wooyoung, Kim Jooah, Park Juseong
Принадлежит:

A digital hologram image reproducing device includes a light modulator reproducing a hologram interference fringe image, a first panel driving circuit which scans a first display panel and writes data of the hologram interference fringe image to the first display panel, a first timing controller controlling an operation timing of the first panel driving circuit, a second panel driving circuit which scans a second display panel and writes data of the hologram interference fringe image to the second display panel, a second timing controller controlling an operation timing of the second panel driving circuit, and a panel synchronization circuit which simultaneously transfers a polarity control signal received from one of the first and second timing controllers to the first and second panel driving circuits. 1. A digital hologram image reproducing device comprising:a light modulator including a plurality of display panels attached to one another on the same plane, the light modulator reproducing a hologram interference fringe image;a first panel driving circuit configured to scan a first display panel and write data of the hologram interference fringe image to the first display panel;a first timing controller configured to control an operation timing of the first panel driving circuit;a second panel driving circuit configured to scan a second display panel and write data of the hologram interference fringe image to the second display panel;a second timing controller configured to control an operation timing of the second panel driving circuit; anda panel synchronization circuit configured to simultaneously transfer a polarity control signal received from one of the first and second timing controllers to the first and second panel driving circuits.2. The digital hologram image reproducing device of claim 1 , wherein the panel synchronization circuit includes a parallel line claim 1 , which simultaneously transfers the polarity control signal received from one of the ...

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Номер записи: 1
26-06-2014 дата публикации

APPARATUS FOR DISPLAYING A HOLOGRAM

Номер: US20140176671A1
Автор: Choe Wooyoung, CHOI Dongjun, Park Joonyoung, Park Juseong, YOON Minsung
Принадлежит: LG DISPLAY CO., LTD.

An apparatus for displaying a hologram comprises: a hologram display panel that represents light having the hologram images to an observer; a detecting camera that decides a position of the observer; a deflector that forms a prism pattern to refract the light corresponding to the detected position of the observer; and a deflector driver that supplies a driving voltage corresponding to a inclined angle for forming the prism pattern, wherein the deflector includes: a plurality of first electrodes running to a first direction and divided into a plurality of electrode groups; a plurality of connection electrodes running to a second direction crossing with the first direction, and connecting same numbered first electrodes of the electrode groups, wherein each end of the connection electrodes forms a pad portion; and a second electrode facing to the plurality of the first electrodes with a liquid crystal cell therebetween. 1. An apparatus for displaying hologram images comprising:a hologram display panel that represents light having the hologram images to an observer;a detecting camera that decides a position of the observer;a deflector that forms a prism pattern to refract the light corresponding to the detected position of the observer; anda deflector driver that supplies a driving voltage corresponding to a inclined angle for forming the prism pattern, a plurality of first electrodes running to a first direction and divided into a plurality of electrode groups;', 'a plurality of connection electrodes running to a second direction crossing with the first direction, and connecting same numbered first electrodes of the electrode groups, wherein each end of the connection electrodes forms a pad portion; and', 'a second electrode facing to the plurality of the first electrodes with a liquid crystal cell therebetween., 'wherein the deflector includes2. The apparatus according to the claim 1 , further comprising:a connection line that connects the same numbered first ...

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Номер записи: 2
09-10-2014 дата публикации

HOLOGRAPHY 3D DISPLAY

Номер: US20140300839A1
Автор: Choe Wooyoung, CHOI Dongjun, Park Juseong
Принадлежит: LG DISPLAY CO., LTD.

The present disclosure relates to a holography three dimensional display in which no 3D cross-talk problem is arisen. The present disclosure suggests an apparatus for displaying hologram images comprising: a display panel displaying a hologram image; a back light unit disposed at one side of the display panel for supplying a back light; a first light path deflecting cell disposed at another side of the display panel facing away from the back light unit for forming a first prism pattern along a first direction rotating by a predetermined angle from a horizontal axis of the display panel; and a second light path deflecting cell disposed in front of the first light path deflecting cell for forming a second prism pattern along a second direction perpendicular to the first direction. 1. An apparatus for displaying a hologram image comprising:a display panel configured to display the hologram image;a back light unit disposed at one side of the display panel for supplying a back light;a first light path deflecting cell disposed at another side of the display panel facing away from the back light unit for forming a first prism pattern along a first direction rotated by a predetermined angle from a horizontal axis of the display panel; anda second light path deflecting cell disposed at one side of the first light path deflecting cell facing away from the display panel for forming a second prism pattern along a second direction perpendicular to the first direction.2. The apparatus according to the claim 1 , wherein the first light path deflecting cell refracts light from the display panel on a first axis perpendicular to the first direction claim 1 , andthe second light path deflecting cell refracts the refracted light from the first light path deflecting cell on a second axis perpendicular to the second direction.3. The apparatus according to the claim 1 , wherein the predetermined angle from the horizontal axis is within a range of 10 degrees to 80 degrees.4. The apparatus ...

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Номер записи: 3
18-10-2018 дата публикации

ELECTRONIC SYSTEMS HAVING SERIAL SYSTEM BUS INTERFACES AND DIRECT MEMORY ACCESS CONTROLLERS AND METHODS OF OPERATING THE SAME

Номер: US20180300271A1
Автор: Choe Wooyoung
Принадлежит: SK HYNIX INC.

An electronic system includes a serial system bus interface having a root complex and an end point, a command bus and a data bus coupled to the serial system bus interface, a memory device coupled to the data bus, and a direct memory access (DMA) controller coupled to both the command bus and the data bus to directly access the memory device in response to request commands which are transmitted from the root complex to the end point. The DMA controller includes a command queue in which the request commands stand by. 1. An electronic system comprising:a serial system bus interface having a root complex and an end point;a command bus and a data bus coupled to the serial system bus interface;a memory device coupled to the data bus; anda direct memory access (DMA) controller configured to be coupled to both the command bus and the data bus to directly access the memory device in response to request commands which are transmitted from the root complex to the end point and configured to include a command queue in which the request commands stand by.2. The electronic system of claim 1 , wherein the serial system bus interface is a peripheral component interconnect express (PCIe) bus interface.3. The electronic system of claim 1 , wherein the root complex functions as a host device together with a central processing unit (CPU).4. The electronic system of claim 1 ,wherein the root complex and the end point may be coupled to each other through a first transmission line transmitting the request commands and a second transmission line transmitting data;wherein the first transmission line is configured to include a mono-directional transmission line through which the request commands are transmitted from the root complex toward the end point; andwherein the second transmission line is configured to include a mono-directional transmission line through which the data is transmitted from the end point toward the root complex.5. The electronic system of claim 1 , wherein the command ...

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Номер записи: 4
20-04-2023 дата публикации

Device for displaying a hologram

Номер: DE102013112857B4
Автор: Dongjun Choi, Joonyoung Park, Juseong Park, Minsung YOON, Wooyoung Choe
Принадлежит: LG Display Co Ltd

Vorrichtung zum Anzeigen von Hologrammbildern, mit:einer Hologrammanzeigetafel (10) zum Wiedergeben von Licht, das die Hologrammbilder aufweist, an einen Beobachter;einer Erfassungskamera (90) zum Erfassen einer Position des Beobachters;einem Deflektor (30) zum Ausbilden eines Prismenmusters, um das Licht entsprechend einem Neigungswinkel basierend auf der erfassten Position des Betrachters zu brechen; undeinem Deflektortreiber (60) zum Liefern einer Treiberspannung entsprechend dem Neigungswinkel zum Ausbilden des Prismenmusters,wobei der Deflektor (30) umfasst:eine Vielzahl von ersten Elektroden (33), die entlang einer ersten Richtung verlaufen und die in N Elektrodengruppen unterteilt sind, wobei jede Elektrodengruppe K erste Elektroden (33) aufweist;eine Vielzahl von K Verbindungselektroden (331), die entlang einer zweiten Richtung verlaufen, die die erste Richtung schneidet, wobei jeweils eine der K Verbindungselektroden (331) mit einem Ende der gleich nummerierten ersten Elektrode (33) von jeder der N Elektrodengruppen verbunden ist, wobei ein Ende von jeder der Verbindungselektroden (331) einen Kontaktfleckbereich (PAD) ausbildet;eine Vielzahl von Verbindungsleitungen (333), wobei jeweils eine der Verbindungsleitungen (333) mit dem anderen Ende der gleich nummerierten ersten Elektrode (33) von jeder der N Elektrodengruppen verbunden ist; undeine zweite Elektrode (34), die der Vielzahl der ersten Elektroden (33) mit einer Flüssigkristallzelle zwischen ihnen gegenüberliegt,wobei der Deflektortreiber (60) eingerichtet ist, um die Treiberspannung an jede der K Verbindungselektroden (331) monoton ansteigend oder monoton absteigend mit der Nummer der Verbindungselektroden (331) anzulegen, um das Prismenmuster auszubilden, um das Licht zu brechen, oder um null anzulegen, um das Licht ohne Brechung zu übertragen. An apparatus for displaying hologram images, comprising: a hologram display panel (10) for displaying light having the hologram images to an observer; a ...

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Номер записи: 5