Wide-screen picture indication signal detector for a television

Details Wide-screen picture indication signal detector for a television Wide-screen picture indication signal detector for a television

1993-02-10

1994-07-19

Powell, Mark R.

Television

Basic receiver with additional function

Multimode

348556, H04N 546

Patent

active

053313518

ABSTRACT:
A VCR or laserdisc player includes circuitry for detecting a code provided by VCR tapes, tape cassettes, or laser videodiscs, which indicates that the material recorded on the videotape or videodisc has been recorded in a compressed fashion to enable proper playback on a 16.times.9 television receiver. In response to detection of this code, the VCR or laserdisc player applies a DC signal to the chrominance output terminal of its S-Video connector. Circuitry in the television receiver detects the DC signal on the chrominance terminal of its S-Video input connector, and controls a wide-screen processor to expand the image by displaying it over the entire width of the 16.times.9 display screen.

REFERENCES:
patent: 4385324 (1983-05-01), Shioda et al.
patent: 4394690 (1983-07-01), Kobayashi
patent: 4897722 (1990-01-01), Flory
patent: 5029007 (1991-07-01), Spiero
patent: 5136369 (1992-08-01), Bohme et al.

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