Gamma-compensating circuit using the amplification degree of a t

Details Gamma-compensating circuit using the amplification degree of a t Gamma-compensating circuit using the amplification degree of a t

1994-04-19

1995-10-17

Groody, James J.

Television

Image signal processing circuitry specific to television

Gray scale transformation

348707, 348677, H04N 5202

Patent

active

054595312

ABSTRACT:
A gamma-compensating circuit has a voltage amplifying unit for amplifying a gamma-compensated picture signal from a broadcasting station and a nonlinear-compensation unit for converting an output amplification degree of the voltage amplifying unit to linearize the amplified gamma-compensated picture signal in accordance with a voltage level of the gamma-compensated picture signal. A linearized amplified gamma-compensated picture signal is obtained from the gamma-compensated picture signal transmitted from a broadcasting station.

REFERENCES:
patent: 4152665 (1979-05-01), Cunningham
patent: 4480268 (1984-10-01), Osawa et al.
patent: 4589021 (1986-05-01), Sato et al.
patent: 5083198 (1992-01-01), Haferl et al.
patent: 5087966 (1992-02-01), Harradine
patent: 5119040 (1992-06-01), Long et al.
patent: 5119392 (1992-06-01), Childs

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