Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1978-05-05
1980-11-11
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250551, 235473, G02B 514
Patent
active
042335060
ABSTRACT:
A pboto-sensor wherein a bundle of optical fibers is disposed within a predetermined substrate, the optical fiber bundle extending from a first surface to a second surface of the substrate and being formed to be flat, an array of photosensitive elements which have photosensitive parts on an open end face of the optical fibers at the first surface of the substrate is disposed integrally with the substrate, and an end face of the optical fibers at the second surface of the substrate serves as an information reading surface.
REFERENCES:
patent: 3786238 (1974-01-01), Heisner
Eto Yoshizumi
Hirai Tadaaki
Maruyama Eiichi
Matsui Makoto
Tsukada Toshihisa
Hitachi , Ltd.
Hostetter Darwin R.
Nelms David C.
Nippon Telegraph and Telephone Public Corporation
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