Comb filter device

Details Comb filter device Comb filter device

1980-01-16

1981-12-22

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

328167, H04N 9535

Patent

active

043074138

ABSTRACT:
A comb filter device has two operation modes, one mode being a conventional comb filter when input signals have high correlation between sequential lines, and the other mode being a simple amplifier when input signals have low or no line correlation. Therefore, this comb filter has little deterioration of vertical resolution of a television picture.

REFERENCES:
patent: 4050084 (1977-09-01), Rossi
patent: 4178609 (1979-12-01), Beutel

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