Apparatus for modifying the time base of signals

Details Apparatus for modifying the time base of signals Apparatus for modifying the time base of signals

1975-03-05

1976-10-05

Konick, Bernard

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

178 66TC, 178 695DC, 333 18, H04N 5785

Patent

active

039848671

ABSTRACT:
Time base instability of signals in a train thereof is corrected by use of a frequency controlled delay device. As employed in the correction of time base instability of video signals, a charge-coupled delay device is used. The delay device is clocked by a frequency which is proportional to the reciprocal of the phase difference between a fluttering input signal and a reference synchronizing signal. This corrects errors caused by the nonlinear transfer characteristics of the delay device, i.e. the transit time through the device is porportional to the reciprocal of the frequency of the clock signal which controls the delay device.

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patent: 3758711 (1973-09-01), Crosno
patent: 3868516 (1975-02-01), Buss
patent: 3879748 (1975-04-01), De Boer

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