Cable TV security means

Details Cable TV security means Cable TV security means

1979-10-31

1982-01-26

Buczinski, S. C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 86, H04N 716, H04N 710, H04H 100

Patent

active

043131328

ABSTRACT:
Security means for cable television operators includes an enabling circuit which is located outside of the subscriber premises and is connected in circuit through the television cable with the power supply of the subscriber's cable television converter located within his premises. There is a sensing circuit between the enabling circuit and the power supply which determines the presence or absence of the enabling circuit and thus controls operation of the converter power supply.

REFERENCES:
patent: 3050712 (1962-08-01), Bruck
patent: 3244809 (1966-04-01), Fuller et al.
patent: 3706040 (1972-12-01), Gargini
patent: 3886302 (1975-05-01), Kosco
patent: 4161751 (1979-07-01), Ost

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