Video amplifier with blank stretching

Details Video amplifier with blank stretching Video amplifier with blank stretching

1981-12-04

1983-11-08

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358165, 358220, H04N 514

Patent

active

044145748

ABSTRACT:
A video amplifier is provided whose mode of operation varies depending on the level of the video signal from a condition where maximum positive voltage is applied to the cathode of the cathode ray tube (CRT) to ensure blanking, through operation as a differential amplifier, and finally to operation as a common emitter amplifier over the full brightness level range of the display on the CRT screen.

REFERENCES:
patent: 3458652 (1969-07-01), McMann

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