Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2008-01-22
2008-01-22
Lee, Patrick J. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S214100, C348S294000, C348S307000
Reexamination Certificate
active
11373195
ABSTRACT:
An solid state image pickup device including a plurality of photoelectric conversion regions (PD1, PD2) for generating carriers by photoelectric conversions to accumulate the generated carriers, an amplifying unit for amplifying the carriers, being commonly provided to at least two photoelectric conversion regions, a first and a second transfer units (Tx-MOS1, Tx-MOS2) for transferring the carriers accumulated in the first and the second photoelectric conversion regions, respectively, a first and a second carrier accumulating units (Cs1, Cs2) for accumulating the carriers flowing out from the first and the second photoelectric conversion regions through a first and a second fixed potential barriers, respectively, and a third and a fourth transfer units (Cs-MOS1, Cs-MOS2) for transferring the carriers accumulated in the first and the second carrier accumulating units to the amplifying unit, respectively.
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Sugawa, S. et al., “A 100dB Dynamic Range CMOS Image Sensor Using a Lateral Overflow Integration Capacitor”, 2005 IEEE International Solid-State Circuits Conference, pp. 352, 353 and 603 (Feb. 8, 2005).
Itano Tetsuya
Kikuchi Shin
Koizumi Toru
Ogura Masanori
Okita Akira
Canon Kabushiki Kaisha
Lee Patrick J.
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