Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1981-08-26
1984-07-10
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
357 32, 377 58, 136293, H04N 530
Patent
active
044594887
ABSTRACT:
A photoelectric converting apparatus having photoelectric converting elements divided into plural groups and a scanning circuit for dynamically scanning the photoelectric converting elements. There is also further provided a shielded element for each of the groups of the same characteristic as that of the photoelectric converting elements, and a circuit for supplying a bias voltage to the photoelectric converting elements and the shielded element in response to the output of the shielded element.
REFERENCES:
patent: 3717770 (1973-02-01), Dyck et al.
patent: 3856989 (1974-12-01), Weimer
patent: 4300163 (1981-11-01), Wada et al.
patent: 4350886 (1982-09-01), Pommerring
Fukaya Masaki
Komatsu Toshiyuki
Shirato Yoshiaki
Uzawa Shunichi
Yoshioka Seishiro
Canon Kabushiki Kaisha
Nelms David C.
Westin Edward P.
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