Sync separator apparatus

Details Sync separator apparatus Sync separator apparatus

2006-01-23

2009-08-25

Hsia, Sherrie (Department: 2622)

Television

Synchronization

Sync separation

C348S536000

Reexamination Certificate

active

07580078

ABSTRACT:
An input video signal is inputted into a first clamp circuit, and then inputted into a second clamp circuit as a clamped video signal so as to be inputted into a switch circuit. The second clamp circuit uses a clamp pulse for clamping a video signal within the period of the sync signal that has been created by a clamp timing generator in the rear stage, and outputs a clamped video signal. The video signal has been clamped so as to be pulled into a constant DC voltage, and absorbs the waviness of a sag that superimposes the video signal. This video signal makes it possible to gain a sync output signal which has been sync separated from a sync separator circuit and has no jitter in the output.

REFERENCES:
patent: 6587139 (2003-07-01), Hirao
patent: 7208995 (2007-04-01), Hashimoto
patent: 57124971 (1982-08-01), None

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