Kinescope bias sensing circuit

Details Kinescope bias sensing circuit Kinescope bias sensing circuit

1984-10-01

1986-07-15

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358171, H04N 568

Patent

active

046009507

ABSTRACT:
A video signal processing and display system includes an image displaying kinescope, a kinescope driver amplifier, and a system for automatically controlling the kinescope bias in response to a sensed signal representative of the kinescope black current level. The sensed signal is developed across a relatively small value sensing resistor coupled in series with a load resistor between a source of operating potential and the video output terminal of the driver amplifier, in the order named.

REFERENCES:
patent: 4263622 (1981-04-01), Hinn
patent: 4387405 (1983-06-01), Hinn
patent: 4463385 (1984-07-01), Parker
patent: 4502079 (1985-02-01), Filliman
Technical Bulletin for Phillips TDA 3505 Integrated Circuit, pp. 457-464, Feb. 1982.

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