Separating filter

Details Separating filter Separating filter

1982-09-21

1984-12-18

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 9535

Patent

active

044893469

ABSTRACT:
A separating filter includes a band pass filter supplied with a composite color video signal, having a resonance frequency of a chrominance sub-carrier frequency, a first circuit supplied with the output of the band pass filter for generating first and second signals having the same phase but different time relationship, and a second circuit for comparing levels of the first and second signals with a level of a reference signal and for producing the signal that has a level nearer the reference level.

REFERENCES:
patent: 4343017 (1982-08-01), Wilkinson
patent: 4402006 (1983-08-01), Karlock

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