Television synchronizing apparatus

Details Television synchronizing apparatus Television synchronizing apparatus

H - Electricity

04

N

350/36

H04N 7/01 (2006.01) H04N 5/12 (2006.01)

Patent

CA 1258901

ABSTRACT In a synchronized digital horizontal deflection system operating at 2xfH, a first word is produced that is indicative of the length of one-half the period H between fH rate horizontal sync pulses. A first fH rate signal that is synchronized to the horizontal sync pulses is generated. The first fH rate signal is time shifted by one-half of the period H, in accordance with the first word to produce a second fH rate signal. The first and second signals are multiplexed for generating a horizontal deflection control signal at 2xfH rate that controls the retrace interval timing in a deflection circuit output stage.

505583

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