Pre-amplifiers for color television cameras

Facsimile and static presentation processing – Static presentation processing – Attribute control

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H04N 908

Patent

active

042478685

ABSTRACT:
In a pre-amplifier for use in a three electrode single tube type color television type, color signals delivered from respective electrodes are processed by output signal processing circuits. Each output signal processing circuit comprises a high input impedance amplifier provided with a feedback circuit. A variable resistor is connected in the feedback circuit for adjusting the gain of the amplifier.

REFERENCES:
patent: 3786177 (1974-01-01), Bazin
patent: 4064529 (1977-12-01), Seer, Jr.

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