Defect compensation for color television

Details Defect compensation for color television Defect compensation for color television

1979-06-01

1981-06-09

Konick, Bernard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 8, 358 21R, 360 38, H04N 576, H04N 9535, H04N 578, H04N 5795

Patent

active

042727855

ABSTRACT:
A defect compensation circuit of the type that substitutes a portion of delayed signal information for a real-time signal defect including circuitry for correcting chrominance phase reversal. The delayed signal is sampled at 1/2 the period of the chrominance before and after a 1H delay. The signal samples are summed and proportioned to provide a substitution signal having its chrominance signal in phase with the real time signal, and an average luminance signal exhibiting non-observable distortion.

REFERENCES:
patent: 3949416 (1976-04-01), Stalley et al.
patent: 4122489 (1978-10-01), Bolger et al.

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