Write clock pulse generator used for a time base corrector

Details Write clock pulse generator used for a time base corrector Write clock pulse generator used for a time base corrector

H - Electricity

04

N

352/18.3

H04N 9/89 (2006.01) H04N 9/896 (2006.01)

Patent

CA 1307583

ABSTRACT OF THE DISCLOSURE In a time base corrector in which from a record medium, into and on which a plurality of time-compressed component signals within one horizontal period are inserted in a predetermined sequential order and are recorded in response to a clock signal with a predetermined frequency, the plurality of component signals are reproduced to thereby correct the time base fluctuations of the reproduced signals, a write clock pulse generator used therefor includes a phase shifter for shifting the phase of an incoming write clock signal, whereby the write clock signal having a frequency different from the predetermined frequency is generated in response to a horizontal synchronizing signal, the start time point of the plurality of reproduced component signals is detected and the shifting amount of the write clock signal by the phase shifter is switched on the basis of the detected output so as to synchronize the write clock signal with the start time point.

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