Broadcast satellite receiver

Details Broadcast satellite receiver Broadcast satellite receiver

1988-12-27

1990-02-20

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358181, 455343, H04N 5262, H04N 563

Patent

active

049031309

ABSTRACT:
In a broadcast satellite receiver having a power source circuit for supplying a power source voltage to a tuner circuit through a power switch and a socket or receptacle for connecting an external appliance, such as, a video tape recorder, to the power source circuit; power consumption by the video tape recorder connected through the socket or receptacle to the power source circuit of the receiver is detected, and the power switch is closed for operating the tuner circuit when the detected value of power consumption by the video tape recorder is characteristic of operation of the latter, for example, when the power consumption exceeds by a predetermined amount a previously detected value of power consumption in a standby condition of the video tape recorder.

REFERENCES:
patent: 3962532 (1976-06-01), Aubert
patent: 3979599 (1976-09-01), Amemiya
patent: 4481429 (1984-11-01), Christopher
patent: 4591914 (1986-05-01), Hakamada
patent: 4651342 (1987-03-01), Mengel
patent: 4766491 (1988-08-01), Saitoh

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