Comb filter for video processing

Details Comb filter for video processing Comb filter for video processing

1974-09-16

1976-02-10

Libman, George H.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 11, 358 31, 178DIG19, H04N 9535, H04N 942, H04N 576

Patent

active

039381790

ABSTRACT:
A composite video signal recorded in a non-standard encoding format is rearranged in a format which can be decoded by standard television circuitry. Simplified circuitry utilizing a relatively inexpensive, narrow band delay line is provided for separating the luminance and chrominance signal components from the non-standard signal. Additional circuitry recombines the separated signal components into a desired composite signal format. Filters are incorporated for providing attenuation to particular frequency regions of the luminance and chrominance signals for effecting a relatively uniform frequency response in the resultant composite signal.

REFERENCES:
patent: 2729698 (1956-01-01), Fredendall
patent: 2811578 (1957-10-01), Reike
patent: 3542945 (1970-11-01), Parker
patent: 3674920 (1972-07-01), Faroudja
patent: 3728476 (1973-04-01), Bates et al.
patent: 3730983 (1973-05-01), Numakura et al.
patent: 3895393 (1975-07-01), Drummond

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