Television receiver

Details Television receiver Television receiver

1996-06-19

1998-12-01

Faile, Andrew I.

Television

Basic receiver with additional function

Multimode

348913, 348555, 348441, H04N 546

Patent

active

058446249

ABSTRACT:
A television receiver includes a picture-display-region discriminating means for discriminating whether or not any picture is displayed on a specific region on a screen of the television receiver, by utilizing a luminance signal of a composite video signal which is received by the television receiver and corresponds to the specific region. A signal in a frequency band which is unnecessary for the video signal is eliminated, and then it is discriminated whether or not any picture is displayed on the specific region, by utilizing the luminance signal and a carrier chrominance signal contained in the video signal.

REFERENCES:
patent: 5291295 (1994-03-01), Srivastava
patent: 5481315 (1996-01-01), Matsunaya
patent: 5486871 (1996-01-01), Filliman et al.
patent: 5629776 (1997-05-01), Layoni
patent: 5659369 (1997-08-01), Imaiida

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