Photoelectric detector

Details Photoelectric detector Photoelectric detector

2007-11-20

2007-11-20

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Housings

C250S216000

Reexamination Certificate

active

11253544

ABSTRACT:
A photoelectric detector includes an electronic card connected to an emit member and a receive member, the emit member emits at least a first light signal, and the receive member receives at least a second light signal reflected from the first light signal; a cap that includes an emit lens and a receive lens made of a translucent material and positioned in front of the emit member and the receive member, respectively; and a fixing support made of an opaque material to which the card and the cap are fixed. The support has a protruding central blade that is inserted into a separating slot in the cap, between the emit lens and the receive lens.

REFERENCES:
patent: 4507654 (1985-03-01), Stolarczyk et al.
patent: 5266797 (1993-11-01), Zuefferey
patent: 5793037 (1998-08-01), Guillot
patent: 5811798 (1998-09-01), Maurin
patent: 6642510 (2003-11-01), Sugiyama
patent: 6921893 (2005-07-01), Petschik

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