External output video signal processor

Details External output video signal processor External output video signal processor

2007-07-31

2007-07-31

Yenke, Brian P. (Department: 2622)

Television

Image signal processing circuitry specific to television

Dc insertion

Reexamination Certificate

active

10820362

ABSTRACT:
The object of the invention is offering an external output video signal processor, which does not need coupling capacitor or clamping circuit. A system controller outputs a video signal by which the sync. tip level and the pedestal level were fixed to a predetermined value. It was considered as an external output video signal processor which carries out direct input of the video signal output to the video signal processing circuit from the system controller, and is characterized by providing a level shift circuit which adjusts the level and is sent to said latter part processing circuit.

REFERENCES:
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patent: 5892555 (1999-04-01), Sohn
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patent: 6195133 (2001-02-01), Bae
patent: 6633340 (2003-10-01), Ohara et al.
patent: 7023497 (2006-04-01), Fang et al.
patent: H07-46443 (1995-02-01), None
Patent Abstracts of Japan, Publication No. 07-046443, “SYNC Tip Clamping/Synchronization Separating Circuit,”, Shoei et al., Sony Corp.

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