Kinescope bias sensing circuit

Details Kinescope bias sensing circuit Kinescope bias sensing circuit

H - Electricity

04

N

350/83

H04N 9/72 (2006.01)

Patent

CA 1257383

ABSTRACT KINESCOPE BIAS SENSING CIRCUIT 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.

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