Time-base error correction system

Details Time-base error correction system Time-base error correction system

H - Electricity

04

N

350/85, 352/18.3

H04N 5/04 (2006.01) G11B 15/00 (2006.01)

Patent

CA 1052903

ABSTRACT OF THE DISCLOSURE A time-base error correction system for a video signal employing a plurality of serially connected delay lines. Circuit means are conditio ed to detect the closest timing match between a reference synchronizing signal and the video signal as it appears at various points along the delay path and to connect the appropriate delay line point or junction to an output at which the correctly delayed video signal appears. Featured circuitry provides for eliminating the erroneous leading edge of a video synch- ronizing pulse distorted by changes in the selected delay point and for compensating for variations in d.c. offset of the video signal introduced by differential delay line path effects.

216535

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