Gating circuit for use with camera incorporating highlight overl

Details Gating circuit for use with camera incorporating highlight overl Gating circuit for use with camera incorporating highlight overl

1978-02-09

1979-05-15

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 534

Patent

active

041551010

ABSTRACT:
A gating circuit intended for use with a camera tube having highlight overload protection is designed to prevent excessively large signals reaching a following video amplifier. These large signals arise when highlight overload protection pulses are applied to the camera tube, and large signals are gated to earth by a pair of diodes arranged to minimize out-of-balance signals.

REFERENCES:
patent: 3764738 (1973-10-01), Zettl et al.
patent: 4101932 (1978-07-01), Wiggin

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