Video signal processing apparatus
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United States of America Patent
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Aug 27, 2002
Grant Date -
Jul 4, 2002
app pub date -
May 7, 1997
filing date -
May 7, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A video signal processing apparatus which can process video signals with different formats simply by switching between programs for processing video signals. Different system clock signals are sent to the input and output processes by employing a programmable signal processor 4, input synchronizing signal processor 8, programmable signal processor 6 and output synchronizing pulse processor 9. A method for processing the video signal can be flexibly changed simply by switching between signal processing programs for programmable signal processors. In addition, the use of a memory 5 enables the signal, which is processed using the system clock signal in the input process, to be processed using the system clock signal in the output process. The present invention thus allows the processing of video signals with many different signal formats. The design of efficient circuitry will greatly reduce costs and production processes.
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