Automatic distortion correction arrangement

Details Automatic distortion correction arrangement Automatic distortion correction arrangement

1976-02-11

1977-08-09

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358139, 332 18, 332 37D, H04N 538

Patent

active

040415341

ABSTRACT:
The arrangement essentially comprises a corrector whose parameters are variable and controlled by a generator which during each one of periodic test time intervals, gives a random value to each of these parameters. For each such combination of parameters, a measurement of the distortion of the so corrected signal is effected and compared with a previously stored result, which was obtained with another, also stored, combination. The combination of parameters applied to the corrector outside the test intervals, is that which has yielded the best result.

REFERENCES:
patent: 3730984 (1973-05-01), Smith
Proceedings of Joint Conference on Television Measuring Techniques-London, England, May, 1970, pp. 199-207.

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