Infrared intrusion detector with response indicator light

Details Infrared intrusion detector with response indicator light Infrared intrusion detector with response indicator light

1982-05-17

1984-07-17

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01J 508

Patent

active

044608292

ABSTRACT:
In a passive infrared intrusion detector there is provided an alarm indicator light with a light conduit for providing the emitted light to an opening on the wall of the detector. The end of the light conduit adjacent the opening is shaped to provide shaping of the emitted light.

REFERENCES:
patent: 4275303 (1981-06-01), Mudge

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