Negative gamma circuit

Details Negative gamma circuit Negative gamma circuit

H - Electricity

04

N

350/39, 350/46

H04N 5/20 (2006.01) H04N 9/69 (2006.01)

Patent

CA 1094214

RCA 69,895 NEGATIVE GAMMA CIRCUIT Abstract Of The Disclosure A gamma circuit for developing a video output signal having a positive gamma coefficient from an input signal having a negative gamma coefficient includes a multiplier and amplifier which forms an electronic divider. Adjustable reference sources provide a means for varying the gamma of the circuit to correct an input signal gamma of -.35 to -1 to a positive gamma. -1-

257810

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