Television receiver with control of writing and reading of video memory
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 19, 1993
Grant Date -
N/A
app pub date -
Mar 7, 1990
filing date -
Mar 10, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a television receiver in which scanning for an incoming video signal is performed at a frequency n times as high as the input horizontal synchronous frequency by suitably controlling writing and reading on its video memory, the signals for writing and reading on the video memory unit are generated by a horizontal synchronization/deflection circuit. The horizontal synchronization/deflection circuit is arranged by having a clock generation/synchronous deflection circuit for generating reference signals to control the writing and reading on the video memory unit provided with a phase comparator such that a horizontal drive signal to drive a horizontal deflection circuit and a flyback pulse are brought in phase.
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Family
International Classification(s)
Cited Art Landscape
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