Multi-optical-path photoelectric switch

Details Multi-optical-path photoelectric switch Multi-optical-path photoelectric switch

1998-09-22

2000-08-29

Ullah, Akm E.

Optical waveguides

With optical coupler

Switch

G02B 626

Patent

active

061119954

ABSTRACT:
A light emitting portion of a multi-optical-path photoelectric switch comprising: a predetermined number of light emitting devices for emitting lights; a first case having a male connector disposed at one end, a female connector diposed at the other end, a surface between both ends made of a light transmissive resin, the surface through which the lights from the light emitting devices pass; a fixing frame holding the first case, and having the substantialy same length as the first case; and a second case accommodating a portion of the fixing frame while a residual portion of the fixing frrame is projected therefrom, wherein the light emitting units are mechanically and electrically connected to one another by inserting the portion of the fixing frame thus projected of either of adjacent light emitting units into the second case of the other adjacent light emitting unit. A light receiving portion of the multi-optical-path photoelectric switch comprises the similar structure.

REFERENCES:
patent: 5450158 (1995-09-01), Jessen et al.
patent: 5644380 (1997-07-01), Jessen et al.
patent: 6016959 (2000-01-01), Kamo et al.

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