Method and apparatus for capturing full-screen frames

Details Method and apparatus for capturing full-screen frames Method and apparatus for capturing full-screen frames

2006-02-22

2009-12-01

Ometz, David L (Department: 2622)

Television

Basic receiver with additional function

Instant replay or freeze frame

C348S739000, C348S567000, C348S715000, C345S545000, C345S539000

Reexamination Certificate

active

07626637

ABSTRACT:
An apparatus for capturing full-screen frames, which are displayed by a display unit having a first display buffer and a second display buffer, in real time. The display unit selects one of the first and second display buffers as a front buffer for displaying the full-screen frames. The apparatus includes a capture unit, and a display driver unit for driving the display unit. When data in the front buffer is updated, the display driver unit generates image data and saves the image data in a temporary buffer. Then, the display driver unit copies the image data to a share buffer. The capture unit reads the image data from the share buffer and generates a video bitstream accordingly.

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patent: 7064765 (2006-06-01), Hochmuth et al.
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patent: 2004/0189677 (2004-09-01), Amann et al.
patent: 1532687 (2004-09-01), None
patent: 1235333 (2005-07-01), None

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