Photoelectric detector with beam reflection

Details Photoelectric detector with beam reflection Photoelectric detector with beam reflection

1997-02-13

1998-08-11

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Housings

250221, G01V 904

Patent

active

057930376

ABSTRACT:
Photoelectric detector fitted with an optical unit having lenses focused along optical axes of transmitting and receiving components 15, 16 and with an electronic circuit 14 on one edge of which are fixed the components. A reflection head 30 is fixed in sealed manner to body 10 of the detector, said head comprising a prism preferably with total reflection 32 inserted into hood 31 with an air space maintained between reflection surface 32a of the prism and front surface 31a of the hood.

REFERENCES:
patent: 3341711 (1967-09-01), Shepard
patent: 3398290 (1968-08-01), Basehore et al.
patent: 3645634 (1972-02-01), Bucher
patent: 3740562 (1973-06-01), Fertig
patent: 5115129 (1992-05-01), Johnson
patent: 5254855 (1993-10-01), Mathivat et al.
W. B. Archey, et al, "Low Loss Optical Coupler", IBM Technical Disclosure Bulletin, vol. 22, No. 12, May 1980, pp. 5288-5290.
Patent Abstracts of Japan, vol. 18, No. 253, Oct. 2, 1994, p. 1.

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