Circuit for detecting TV/radio broadcasting program, auto-tuning

Details Circuit for detecting TV/radio broadcasting program, auto-tuning Circuit for detecting TV/radio broadcasting program, auto-tuning

1993-01-08

1995-05-23

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

348732, 360 331, 4551861, H04N 576, H04N 544, H04N 550

Patent

active

054186218

ABSTRACT:
Circuit for detecting TV/radio broadcasting program, auto-tuning to channel selection and controlling VCR tape in recording operation. The circuit of the invention includes a channel signal detector 1 for finding programs on air, a memory 2 for program features for comparing with the programs from the detector 1, a channel display circuit 3, a display 4, an auto-tuning circuit, and a VCR recording control 6 for interrupting unwanted signals from recording on the tape. The invention provides a convenience for TV/radio receiving and an economical VCR tape use.

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K. Sam Shanmugam, "Digital and Analog Communication Systems", 1979, pp. 259-264.

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