Digital time base corrector for video signal reproduction

Details Digital time base corrector for video signal reproduction Digital time base corrector for video signal reproduction

1993-10-14

1995-12-12

Metjahic, Safet

Television

Flutter or jitter correction

Specified color

348497, 348537, 348536, 348540, 348549, 358326, H04N 9896, H04N 989

Patent

active

054754402

ABSTRACT:
A digital time base corrector which can perfectly eliminate residual errors. A sync clock signal whose phase is synchronized with a time base fluctuation included in a reproduction video signal is formed in accordance with at least one of the horizontal sync signal and the color burst signal which are separated from a reproduction video signal. The sync clock signal is phase-modulated in accordance with a burst error signal indicative of the time base fluctuation of the color burst signal in a period of time other than the generating period of time of at least the color burst signal in the reproduction video signal, thereby obtaining a write clock signal of the image memory.

REFERENCES:
patent: 4054903 (1977-10-01), Ninomiya
patent: 4339770 (1982-07-01), Dennison et al.
patent: 4714954 (1987-12-01), Yoshinaka et al.
patent: 4736238 (1988-04-01), Moriyama et al.
patent: 5142377 (1992-08-01), Moriyama et al.

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