Television – Flutter or jitter correction
Patent
1996-11-25
1999-07-13
Flynn, Nathan
Television
Flutter or jitter correction
348501, 348537, 386 13, 386 85, H04N 700, H04N 504, H03L 700
Patent
active
059233770
ABSTRACT:
A sync signal correction circuit generates a corrected sync signal which is obtained by correcting a timing of a sync signal on the basis of a time axis variation component (jitter component) of the sync signal separated from a picture signal. The corrected sync signal is used as the sync signal to cause a variation of time axis error of the picture signal to follow a variation of time axis error of an output signal of an automatic frequency control (AFC) circuit which constitutes a monitor device for reproducing and displaying the picture signal, such that the variation of time axis error of the output signal of the AFC circuit and the variation of time axis error of the picture signal of the reproduced picture signal are cancelled each other to prevent jittere from appearing on a display screen.
REFERENCES:
patent: 3900885 (1975-08-01), Tallent et al.
patent: 4081834 (1978-03-01), Takamiya et al.
patent: 5504534 (1996-04-01), Sakaegi
Kenmochi Takashi
Takeshita Hiroshi
Ubukata Tsuneo
Flynn Nathan
Meller Michael N.
Miller John W.
Victor Company of Japan Ltd.
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