Solid-state imaging apparatus

Details Solid-state imaging apparatus Solid-state imaging apparatus

2011-01-18

2011-01-18

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S241000, C348S308000, C348S302000, C250S208100, C358S462000

Reexamination Certificate

active

07872677

ABSTRACT:
A solid-state imaging apparatus includes: a pixel section where a plurality of pixels for effecting photoelectric conversion are two-dimensionally arranged, having an effective pixel section consisting of pixels for receiving object light and a reference pixel section consisting of pixels shielded from light; a first scanning circuit for sequentially setting to the pixel section the pixels to be read out a signal; a noise suppressing circuit for suppressing noise components of signals from the pixels based on a first control signal associated with sampling and holding of signals from the pixels and a second control signal associated with setting of clamping potential that are applied at respective predetermined timings; a second scanning circuit for sequentially reading signals of each pixel suppressed of the noise components; and a reference signal control section for applying the first and second control signals to the noise suppressing circuit so that it is brought into one or the other of a first condition where signals of the pixels shielded from light are inputted and a second condition where inputting of signals of the pixels shielded from light is lacked without changing an order according to which a release of sampling by the first control signal and a release of setting of clamping potential by the second control signal are effected, causing a generation of a first reference signal obtained in the first condition or a second reference signal obtained in the second condition as a signal corresponding to an optical black level.

REFERENCES:
patent: 7135665 (2006-11-01), Matsuda et al.
patent: 7141775 (2006-11-01), Koseki
patent: 7652702 (2010-01-01), Murakami et al.
patent: 2008/0054320 (2008-03-01), Solhusvik et al.
patent: 2010/0103302 (2010-04-01), Kondo
patent: 2004-320346 (2004-11-01), None

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