Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1981-06-03
1985-02-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250211J, 358213, H01J 4014
Patent
active
044993846
ABSTRACT:
A one-to-one image sensing device having a plurality of photo-receiving elements formed on a substrate in a single array is provided. Each of the photo-receiving elements includes a photodiode and a blocking diode which are connected in series and opposite in direction. These photo-receiving elements are manufactured by the well-known thin-film technology. The photo-receiving elements are grouped into blocks each of which has a predetermined number of photo-receiving elements which are commonly connected on one side. A single shift register is commonly connected to the other side of each of said blocks. A MOS transistor switch is provided between the common junction of each of said blocks and an output terminal of the image sensing device.
REFERENCES:
patent: 3458689 (1969-07-01), Lynch
patent: 3488508 (1970-01-01), Weimer
patent: 3488636 (1970-01-01), Dyck
patent: 3900716 (1975-08-01), Kawabata et al.
patent: 4320302 (1982-03-01), Stein
patent: 4321462 (1982-03-01), Numata
patent: 4369372 (1983-01-01), Yoshioka et al.
Ishiwata Tatsumi
Itagaki Masanori
Mori Koji
Sakurai Kohichi
Segawa Hideo
Nelms David C.
Ricoch Company, Ltd.
Shoup Guy W.
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