Imaging apparatus and device

Details Imaging apparatus and device Imaging apparatus and device

2010-08-17

2011-10-11

Ko, Tony (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140AG

Reexamination Certificate

active

08035070

ABSTRACT:
An imaging apparatus capable of suppressing deterioration of image qualities and output properties is provided having one or more output circuits in series and a buffer circuit6, and processing luminance signals from photodetectors to output image information, the buffer circuit performing impedance conversion on signals outputted from a final output circuit of the one or more output circuits, the final output circuit being a source follower circuit that has an active element and a current source circuit5which is inserted between a source terminal of the active element and a reference voltage terminal, wherein the current source circuit and the buffer circuit6are external to a solid-state image sensor1having the photodetectors, and a main part of the current source circuit5and a main part of the buffer circuit6are in a single package.

REFERENCES:
patent: 6084232 (2000-07-01), Kimura
patent: 7268333 (2007-09-01), Kohno et al.
patent: 7795571 (2010-09-01), Kohno et al.
patent: 56-79039 (1981-06-01), None
patent: 04-291581 (1992-10-01), None
patent: 2982353 (1999-09-01), None
Sona et al.; “New Driving Method of CPD Solid-State Imaging Sensor”; pp. 1-6.
Japanese Office Action issued in corresponding Japanese Patent Application No. JP 2004-167735, dated Nov. 21, 2006.
“Comparison and Selection of Field Effect Transistor and Bi-Polar Transistor” China AVPHILE, 2000.

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