Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1993-04-08
1994-06-28
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
2502081, 257435, H01J 314
Patent
active
053249305
ABSTRACT:
In an image sensor using photodiodes, the structure is arranged so that a lens for each photodiode focuses light onto a first portion of the photodiode. Light from the scene directly illuminates a second portion of the photodiode.
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patent: 4694185 (1987-09-01), Weiss
patent: 4966831 (1990-10-01), Mehra et al.
patent: 5132251 (1992-07-01), Kim et al.
patent: 5172206 (1992-12-01), Iizuka
Eastman Kodak Company
Le Que T.
Nelms David C.
Owens Raymond L.
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