Construction for positioning photosensor devices

Details Construction for positioning photosensor devices Construction for positioning photosensor devices

1986-08-14

1987-11-03

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Housings

H01J 502

Patent

active

047045256

ABSTRACT:
A construction for positioning photosensor devices, comprises an attachment having a circular hole, a first photosensor device such as a light-emitting element including a substantially semispherical body having a maximum diameter slightly larger than the diameter of the circular hole, a second photosensor device such as a photodetector element disposed in confronting relation to the circular hole, the semispherical body being partly fitted in the circular hole, thereby providing coaxial alignment between the first and second photosensor devices.

REFERENCES:
patent: 2918584 (1959-12-01), Edsberg et al.
patent: 3390388 (1968-06-01), Kahl, Jr. et al.
patent: 3535528 (1970-10-01), Strickland
patent: 3619629 (1971-11-01), Matthews
patent: 4291346 (1981-09-01), Beecroft et al.
patent: 4326128 (1982-04-01), Klein
patent: 4331868 (1982-05-01), Mash
patent: 4375592 (1983-03-01), Cox et al.

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