Television receiver

Details Television receiver Television receiver

1974-05-03

1976-06-08

Griffin, Robert

Telegraphy

Systems

Simplex-reversing periodic

178 58AF, H04N 544

Patent

active

039625338

ABSTRACT:
In a television receiver using synchronous detection of the I.F. signal a picture carrier regenerator is used which is active for a small deviation of the picture intermediate frequency relative to the regenerator frequency and is passive for a large deviation so that the drawbacks of both a passive and of an active regenerator are obviated.

REFERENCES:
patent: 3584141 (1968-12-01), Fujiward et al.
patent: 3624512 (1969-06-01), Evans
patent: 3715495 (1973-02-01), Takezaki et al.
patent: 3737787 (1973-06-01), Wolfram
patent: 3742361 (1973-06-01), Wason
patent: 3818353 (1974-06-01), Sakamoto
patent: 3821650 (1974-06-01), Kase et al.

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