Frame signal phase adjuster

Details Frame signal phase adjuster Frame signal phase adjuster

2007-09-18

2007-09-18

Lee, Michael H. (Department: 2622)

Television

Synchronization

Automatic phase or frequency control

C348S536000

Reexamination Certificate

active

10943885

ABSTRACT:
A frame signal phase adjuster comprises units for inputting a parallel clock and a reference signal (22-4and22-1); generating a frame signal from the reference signal (22-1), adjusting a phase of the frame signal (22-3), generating an adjusted frame signal synchronized by the parallel clock from the parallel clock and the adjusted frame signal (22-4), generating a frame reset pulse signal based on the parallel clock and the adjusted frame signal synchronized by the parallel clock (22-2), and outputting the frame reset pulse signal (22-2). The unit (22-4) adjusts the phase of the frame signal so that the frame signal is constantly HIGH or LOW throughout a setup time and a hold time.

REFERENCES:
patent: 3875329 (1975-04-01), Nagel
patent: 4885638 (1989-12-01), Bennett
patent: 6339601 (2002-01-01), Seong et al.

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