Fiberoptic switch system

Details Fiberoptic switch system Fiberoptic switch system

1983-10-11

1986-08-19

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250229, H01J 516

Patent

active

046071610

ABSTRACT:
A fiberoptic limit switch system comprising a light source, an optical beamsplitting arrangement, a switch, an optical fiber, a detector, and output circuitry. The light source is a light-emitting diode. The switch is responsive to external stimulus. The switch comprises a housing, a receptacle for receiving the optical fiber, and a reflective surface movable between two positions within the housing. The optical fiber extends from the light source to the switch. The detector is arranged so as to receive light from the optical fiber and transmit a signal relative to the light emission. The output circuitry is electrically connected to the detector.

REFERENCES:
patent: 4091280 (1978-05-01), Ellis et al.
patent: 4223217 (1980-09-01), Bongard et al.
patent: 4304630 (1981-12-01), Tanner
patent: 4403143 (1983-09-01), Walker et al.
patent: 4439674 (1984-03-01), Amberny et al.
patent: 4506153 (1985-03-01), Ohno

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