Video signal processing system
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United States of America Patent
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Mar 30, 2004
Grant Date -
Aug 30, 2001
app pub date -
Dec 26, 2000
filing date -
Dec 23, 1999
priority date (Note) -
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Abstract
A video signal processing system for processing a video data V.sub.IN and graphic data D.sub..mu.P includes a filter unit, which receives the video data V.sub.IN. The filter unit filters the video data V.sub.IN to convert the video data V.sub.IN into video pictures formated 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 D.sub..mu.P and 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 V.sub.OUT.
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