Video signal processing pulse producing circuit

Details Video signal processing pulse producing circuit Video signal processing pulse producing circuit

1990-12-24

1992-08-18

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358171, 358172, H04N 504

Patent

active

051404214

ABSTRACT:
A video signal processing pulse producing circuit for a video display device. The video signal includes a synchronizing signal and the device has at least one video processing element responsive to a pulse of a predetermined period. The circuit includes a circuit for generating the pulse in response to receipt of the synchronizing signal for controlling the signal processing element and a compensation circuit for generating an equivalent pulse having the predetermined period when receipt of the synchronizing signal by the pulse generating circuit is interrupted for maintaining continuous control of the video signal processing element.

REFERENCES:
patent: 3878336 (1975-04-01), Balaban
patent: 4025952 (1977-05-01), Eckenbrecht
patent: 4420775 (1983-12-01), Yamazaki et al.

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