Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2007-09-11
2007-09-11
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
Reexamination Certificate
active
11143958
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.
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Sona et al.; “New Driving Method of CPD Solid-State Imaging Sensor”; pp. 1-6.
“Comparison and Selection of Field Effect Transistor and Bi-Polar Transistor” China AVPHILE, 2000.
Kato Yoshiaki
Kohno Akiyoshi
Matsuda Yuji
Ellis Suezu
Luu Thanh X.
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