Video display signal brightness control circuit

Details Video display signal brightness control circuit Video display signal brightness control circuit

2007-10-02

2007-10-02

Natnael, Paulos M. (Department: 2622)

Television

Image signal processing circuitry specific to television

Brightness control

Reexamination Certificate

active

10897522

ABSTRACT:
Video signal control circuitry for use in a video display system in which a variation in a brightness level of a video display signal causes a corresponding variation in a beam current signal, wherein such video signal control circuitry maintains a controllable video display signal brightness level at a substantially constant average value notwithstanding a variation in the incoming video signal brightness level.

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