Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1991-05-31
1992-11-17
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
358483, H01J 4014
Patent
active
051645807
ABSTRACT:
A light-source-incorporated image sensor in which a light receiving element formed on an insulating substrate is confronted through a light transmission layer with an EL light emitting element formed on a transparent substrate. In the image sensor, the thickness of the transparent substrate is smaller than that of the light transmission layer, whereby the focal depth can be set to a value which is sufficient in practical use.
REFERENCES:
patent: 4970381 (1990-11-01), Huang et al.
patent: 5086218 (1992-02-01), Yagyu
Funada Masao
Yamada Norikazu
Fuji 'Xerox Co., Ltd.
Nelms David C.
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