Television – Camera – system and detail – Optics
Reexamination Certificate
2005-08-16
2005-08-16
Groody, James J. (Department: 2615)
Television
Camera, system and detail
Optics
C348S229100, C348S294000, C348S296000, C348S302000, C348S308000, C250S208100
Reexamination Certificate
active
06930722
ABSTRACT:
An image pickup apparatus comprising an array of unit cells, vertical signal lines, and a control circuit. The unit cells are arranged in rows and columns. Each unit cell has a light-receiving device for receiving light and generating an electric charge corresponding to the light, a charge-accumulating section for accumulating the electric charge generated by the light-receiving device, a transfer device for transferring the electric charge from the light-receiving device to the charge-accumulating section, and a charge-limiting device for limiting the electric charge accumulated in the charge-accumulating section. The vertical signal lines extend along the columns of unit cells, respectively, each for receiving a electric data item corresponding to the electric charge accumulated in the charge-accumulating section of any unit cell of the associated column. The control circuit controls each of the unit cells, causing the charge-limiting device to limit the charge generated by the light-receiving device during a first period and transferred to the charge-accumulating section through the transfer device. The charge generated by the light-receiving device during a second period following the first period and transferred to the charge-accumulating section through the transfer device is added to the electric charge accumulated in the charge-accumulating section.
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Egawa Yoshitaka
Endo Yukio
Nakamura Nobuo
Ohsawa Shinji
Sugiki Tadashi
Genco Brian
Groody James J.
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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