Video signal processing circuit and computer system

Details Video signal processing circuit and computer system Video signal processing circuit and computer system

2011-04-19

2011-04-19

Yenke, Brian P (Department: 2422)

Television

Combined with diverse art device

C348S730000, C348S525000, C348S604000, C348S572000, C345S211000

Reissue Patent

active

RE042296

ABSTRACT:
A video signal processing circuit, in which a horizontal synchronizing signal is separated from an input analog video signal by a synchronism separating circuit, whether a “H” period of the horizontal synchronizing signal continues for more than a prespecified period of time or not is checked by a synchronizing signal monitoring counter, and power supply to an A/D converter is controlled thereby according to a result the confirmation.

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