Video signal separating apparatus

Details Video signal separating apparatus Video signal separating apparatus

1988-12-22

1991-06-18

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 36, 358314, H04N 978

Patent

active

050253115

ABSTRACT:
A Y/C separating apparatus used in video tape recorders, etc., and capable of performing correct adaptive Y/C separation without increasing the circuit scale substantially. The process includes the steps of converting an analog video signal to a digital video signal, converting the relation between the digital video signal and a delayed version of the digital signal into a data signal, delaying this data signal, and analyzing the relationship between the signals inclusive of the delayed data signal. Thus it is possible to perform an accurate adaptive Y/C separation without increasing the memory capacity substantially.

REFERENCES:
patent: 4178609 (1979-12-01), Buetel
patent: 4734758 (1988-03-01), Honjo
patent: 4809060 (1989-02-01), Saeki
patent: 4814863 (1989-03-01), Topper et al.
patent: 4922331 (1990-05-01), Ezaki

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