Radiation sensor

Details Radiation sensor Radiation sensor

1987-10-22

1989-04-25

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

25037015, G01J 504

Patent

active

048250783

ABSTRACT:
A radiation sensor comprises a housing, a radiation filter, and a photocell positioned to sense radiation passing through the filter. Means are provided for receiving signals from the photocell indicative of radiation sensed by the photocell. In accordance with this invention, means are provided for hermetically sealing the filter and photocell from the exterior, and also for providing cooling (and optionally heating) of the filter and photocell to hold their respective temperatures below predetermined maximum levels, for improvement of sensing accuracy and operating life.

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patent: 4096387 (1978-06-01), Buckley
patent: 4194118 (1980-03-01), Kotaka et al.
patent: 4230945 (1980-10-01), Meir et al.
patent: 4348664 (1982-09-01), Boschetti et al.
patent: 4575629 (1986-03-01), Schnell et al.
LMT Products Brochure (Apr. 1987).

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