Optical sensor with fiberless optical member

Details Optical sensor with fiberless optical member Optical sensor with fiberless optical member

1991-12-03

1993-08-03

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

25022711, H01J 4014

Patent

active

052331776

ABSTRACT:
An optical sensor has an optical block including a substrate, a light-emitting element formed on the substrate, and a light-receiving element formed on the substrate by using an adjusting member for arranging side-by-side with the light-emitting element, a light-transmitting member located between the optical block and an object, and connecting terminal optically connected to the light-emitting element and the light-receiving element. It is preferable that the light-transmitting member is separated into a plurality of light transmitting members in correspondence with areas separated on the object. There is also provided an optical sensor having a light-transmitting member, a plurality of incident optical fibers, optically coupled with the light-transmitting member, for transmitting light emitted from a light-emitting element to the light-transmitting member, a plurality of outgoing optical fibers, optically coupled with the light-transmitting member, for transmitting light passed through the light-transmitting member after being reflected on an object to the light-receiving element, and a housing for integrally housing the light-transmitting member, the incident optical fiber, and the outgoing optical fibers.

REFERENCES:
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patent: 3994590 (1976-11-01), Di Martini et al.
patent: 4149197 (1979-04-01), Kos et al.
patent: 4232219 (1980-11-01), Yamamoto et al.
patent: 4539482 (1985-09-01), Nose
patent: 4543490 (1985-09-01), Gupta
patent: 4544842 (1985-10-01), Engemann et al.
patent: 4878582 (1989-11-01), Codding
patent: 4931636 (1990-06-01), Huggins
patent: 5000569 (1991-03-01), Nylund
patent: 5004905 (1991-04-01), Yoshinouchi et al.

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