Synchronizing signal separator

Details Synchronizing signal separator Synchronizing signal separator

1989-12-06

1992-03-17

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358148, H04N 504

Patent

active

050973347

ABSTRACT:
A synchronizing signal separator in the circuit of a monitor selects between a composite synchronizing signal and a separate synchronizing signal under the control of a priority order stage, and it separates a composite synchronizing signal into a vertical synchronizing signal and a horizontal synchronizing signal. The priority order stage cuts off a composite synchronizing signal when a composite synchronizing signal and a separate synchronizing signal are concurrently detected.

REFERENCES:
patent: 4583119 (1986-04-01), Roscoe
patent: 4709267 (1987-11-01), Sendelweck
patent: 4894719 (1990-01-01), Moon

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