Color temperature selector and method of selecting color tempera

Details Color temperature selector and method of selecting color tempera Color temperature selector and method of selecting color tempera

1992-02-21

1997-06-03

Hsia, Sherrie

Television

Image signal processing circuitry specific to television

Color balance or temperature

348656, 348734, H04N 973

Patent

active

056359926

ABSTRACT:
A color temperature selector for a television receiver which can select a color temperature using electrical control signals. The emitter of a drive transistor is fixedly connected to one resistor which is connected in parallel with two selective resistors to change the emitter resistance value. The two selective resistors are selectively connected to the fixed resistor using general semiconductor switches. This arrangement allows a remote controller to select a color temperature by a control signal, and allows to select a desired combination of color temperature setting states.

REFERENCES:
patent: 4486771 (1984-12-01), Machida
patent: 4860092 (1989-08-01), Hieda

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