Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1986-05-19
1988-04-12
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
2502221, G01V 904
Patent
active
047376252
ABSTRACT:
An arrangement structure of optical elements is characterized in that light emitting and/or light receiving optical elements are mounted on a substrate in a zigzag fashion, whereby the resolving power of the arrangement can be enhanced.
REFERENCES:
patent: 3060791 (1962-10-01), Tarczy-Hornoch
patent: 3727069 (1973-04-01), Crittenden et al.
patent: 3737856 (1973-06-01), Lehrer et al.
patent: 3781842 (1973-12-01), Campman
Hasegawa Kazuo
Ouchi Junichi
Sasaki Hiroaki
Alps Electic Co., Ltd.
Nelms David C.
Shoup Guy W.
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