Video signal processing circuit and computer system
USRE42296E1 · kind E1 · reissue
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16References
40Claims
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Key dates
| Filing date | Jul 9, 2007 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Jul 9, 2027 |
Classification
- Technology area (CPC —)General
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.