Video cassette recorder capable of automatically setting a telev

Details Video cassette recorder capable of automatically setting a telev Video cassette recorder capable of automatically setting a telev

1994-12-22

1996-08-27

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 331, H04N 576, H04N 578

Patent

active

055506445

ABSTRACT:
A video cassette recorder ("VCR"), which is capable of automatically setting a television ("TV") receiver when the VCR is in a playback mode, comprises an A/V (audio/video) line connection detector for detecting whether the A/V signal output terminal of the VCR is connected to the TV receiver; a RF (radio frequency) channel detector for detecting a carrier frequency of a RF signal; a memory for storing power-on, power-off, TV mode, A/V mode, channel 3 and channel 4 key codes; a microprocessor coupled to the A/V line connection detector and the RF channel detector for reading a key code from the memory to thereby provide the key code; and an IR signal transmitter for transmitting an IR signal carrying the the key code to an IR signal receiver of the TV receiver.

REFERENCES:
patent: 3994019 (1976-11-01), Sajishima et al.
patent: 5109284 (1992-04-01), Jung
patent: 5291343 (1994-03-01), Goto

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