Aperture correction circuit

Details Aperture correction circuit Aperture correction circuit

1974-12-09

1976-09-14

Martin, John C.

Telegraphy

Systems

Simplex-reversing periodic

178DIG25, 178 73R, H04N 514

Patent

active

039808130

ABSTRACT:
An aperture correction circuit is disclosed in which the first portions of the differentiated signals of input video signals are inverted, and the waveform shaped signals thus obtained and the input video signals are added together whereby the corrected video signals having sharp edged waveforms are obtained.

REFERENCES:
patent: 3377425 (1968-04-01), Buzan
patent: 3641268 (1972-02-01), Beck

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