Apparatus for discriminating television signal

Details Apparatus for discriminating television signal Apparatus for discriminating television signal

1979-11-08

1981-08-11

Buczinski, S. C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358120, H04N 716

Patent

active

042837405

ABSTRACT:
A television signal discriminating apparatus adapted for use with the pay television system, which apparatus, for being compatible with the normal television system, monitors the television signal of received electric wave to detect whether it is from the pay television broadcasting station or the normal one and provides the correct video signal in accordance with the mode of modulation thereof.

REFERENCES:
patent: 3801732 (1974-04-01), Reeves
patent: 4022972 (1977-05-01), Pires
patent: 4024574 (1977-05-01), Nieson
patent: 4025948 (1977-05-01), Loshin

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