Sync separator with variable bias control

Details Sync separator with variable bias control Sync separator with variable bias control

1980-12-29

1982-11-02

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 508

Patent

active

043576290

ABSTRACT:
A variable slicing level is provided for the sync pulse separator of a television (TV) receiver to enable proper sync signal separation from the video signal as the strength of the received signal changes. The automatic gain control (AGC) signal is used to vary the conduction of at least a single additional transistor to move the slicing level toward or away from the sync pulse tip depending upon the strength of the received signal.

REFERENCES:
patent: 2601191 (1952-06-01), Wendt
patent: 2950342 (1960-08-01), Revercomb

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