Sequential color and memory decoder

Details Sequential color and memory decoder Sequential color and memory decoder

1974-09-16

1976-04-06

Libman, George H.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 21, H04N 940, H04N 9535

Patent

active

039494179

ABSTRACT:
A SECAM decoder for deriving the signals for a color display from the composite color picture signal determined largely by digital means having digital line switching, multiple delay lines, decoder center frequency clamps and indicator of drift of encoded white, dual digital phase detector for each phased locked loop decoder, switchable de-emphasis and a waveform squaring circuit whereby ease of adjustment to different recording subcarrier frequencies or to sequence color and memory standards is provided.

REFERENCES:
patent: 3863264 (1975-01-01), Nelson et al.

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