Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1975-07-03
1977-09-27
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
360 27, 360 37, G11B 502
Patent
active
040515265
ABSTRACT:
A television system comprising a video tape recorder or the like and a television receiver, in which system the television signal contains an identification signal by which it is distinguished from the television signal received from a transmitter. The television receiver includes a circuit arrangement for recognizing the identification signal and for changing over circuits in the receiver, in particular for changing over the time constant network of the flywheel filter of the line synchronizing circuit. The identification signal can encode the line synchronizing pulses, for example by a serration formed therein.
REFERENCES:
patent: 3532808 (1970-10-01), Fujisawa
patent: 3588333 (1971-06-01), De Niet
patent: 3814844 (1974-06-01), Waldspurger
patent: 3924190 (1975-12-01), Roach
Drabek Rudolf
Steinkopf Wolfgang Otto Gotthard
Britton Howard W.
Masinick Michael A.
Steckler Henry I.
Trifari Frank R.
U.S. Philips Corporation
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