Picture still circuit for TV receiver having synchronous signal

Details Picture still circuit for TV receiver having synchronous signal Picture still circuit for TV receiver having synchronous signal

1990-12-14

1992-09-22

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358188, H04N 974

Patent

active

051502003

ABSTRACT:
A camera video signal processing circuit for processing camera video signal whereby displaying on a monitor or a television receiver in the monitoring system and the like, and particularly, to a picture holding circuit for a still picture in a television receiver in which when video signal is not inputted from video camera, final picture is held whereby enabling to display as a still picture. The circuit comprises a luminance/color difference and synchronous signal separator an analog switching unit, an analog/digital converter, an encoder, a controller, digital/analog converters, a synchronous signal generator, an encoder, a synchronous voltage detecting unit, an integrator, a flip-flop and gates.

REFERENCES:
patent: 5034820 (1991-07-01), Cho

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