Video signal output circuit with adaptive equalizer

Details Video signal output circuit with adaptive equalizer Video signal output circuit with adaptive equalizer

1992-10-13

1994-09-20

Powell, Mark R.

Television

Image signal processing circuitry specific to television

Color television signal processing

360 65, 358315, 348607, H04N 5205

Patent

active

053494440

ABSTRACT:
A video signal output circuit used in a TV set to sample the frequency level of an input video signal so that monitored pictures are automatically optimized in quality. A luminance signal is separated from the input video signal by a Y/C separator. A plurality of band-pass filters whose passing frequencies are f.sub.1, f.sub.2, f.sub.3, . . . , f.sub.n detect the frequency spectrum of the luminance signal through sampling. The detected values are sent to a controller attached to an equalizer. The equalizer is controlled so that monitored pictures based on the output video signal are optimized in quality.

REFERENCES:
patent: 5033211 (1992-01-01), Dugan et al.

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