Video signal processing system

Television – Image signal processing circuitry specific to television – Special effects

Reexamination Certificate

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Details

C348S448000, C348S589000, C348S598000, C348S659000, C348S714000, C345S546000, C345S547000, C345S629000, C345S660000

Reexamination Certificate

active

10764829

ABSTRACT:
A video signal processing system for processing a video data VINand graphic data DμPincludes a filter unit, which receives the video data VIN. The filter unit filters the video data VINto convert the video data VINinto video pictures formatted with a different number of columns and/or lines, and provides a filtered video signal indicative thereof. The filter unit buffers individual pixels and/or lines in a first memory device. A second memory device receives and stores the graphic data DμPand the filtered video signal and provides stored signals indicative thereof. A third memory device is connected to the second memory, and stores data received from the second memory device. A mixing unit receives and mixes the stored graphic data and the stored filtered video data to provide a video output signal VOUT.

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