Jitter detection circuit

Details Jitter detection circuit Jitter detection circuit

1992-03-30

1994-03-29

Groody, James J.

Television

Flutter or jitter correction

358320, 360 361, 348536, H04N 504

Patent

active

052989992

ABSTRACT:
A circuit for detecting a jitter of an image signal reproduced from a recording media, comprises a variable oblique wave generating circuit for generating an oblique wave at timing according to the phase of the output pulse of a frequency dividing circuit wherein a tilt of the oblique wave is varied by an input control signal a sample-hold circuit for sampling and holding the tilt portion of the variable oblique wave in dependence upon reception of a horizontal synchronizing signal as a sample pulse.

REFERENCES:
patent: 4317220 (1982-02-01), Martin
patent: 4438456 (1984-03-01), Yoshinaka
patent: 4504799 (1985-03-01), Elmis et al.
patent: 4555734 (1985-11-01), Fukui
patent: 4837621 (1989-06-01), Yug
patent: 5206768 (1993-04-01), Fukada

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