Phase locking system for television signals

Details Phase locking system for television signals Phase locking system for television signals

1979-03-08

1981-02-03

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 8, 358 19, H04N 946, H04N 576

Patent

active

042491983

ABSTRACT:
An improved phase locking system in which an independently reproduced video signal is coded into a digitized video signal in response to a first clock pulse train, the first clock pulse train being produced from a synchronizing signal and/or a color burst signal contained in the video signal. The digitized video signal is stored and storage location as well as delay prior to storage is controlled in response to the phase difference between the synchronizing signal and a reference signal. The improved phase locking system reduces the frequency of occurence of visual shifts on the reproduced television picture.

REFERENCES:
patent: 3909839 (1975-09-01), Inaba
patent: 4007486 (1978-02-01), Inaba

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