Auxiliary amplifier selection circuit for a CCD camera

Details Auxiliary amplifier selection circuit for a CCD camera Auxiliary amplifier selection circuit for a CCD camera

2005-08-15

2010-02-23

Misleh, Justin P (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S364000, C348S366000, C348S086000

Reissue Patent

active

RE041144

ABSTRACT:
Object: To broaden the range of photographing of object, until illumination of 0.02 lux. Construction: In the case of sufficient bright object, photographing is performed by a conventional circuit at a high S/N ratio, at a high degree. In the case of an insufficient bright object, inserting auxiliary amplifying circuit m, m1, m2or em and ignoring the S/N ratio, and raising the amplification degree. In the case of sufficient bright object, photographing is performed by high S/N ratio, and high degree, in the case of insufficient bright object, an auxiliary amplifying circuit m, m1, m2or em is inserted ignoring the S/N ratio until utility noise composite of 20 dB (10%).

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