Pyroelectric type detecting device

Details Pyroelectric type detecting device Pyroelectric type detecting device

1986-06-19

1987-09-08

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 100

Patent

active

046926194

ABSTRACT:
A pyroelectric type detecting device including a converging mirror, a pyroelectric type sensor element for detecting light converged by the converging mirror, an amplifier for amplifying an output signal of the sensor element and a casing for accommodating the sensor element and the amplifier. The sensor element has a window for receiving the light and the casing is rotatably mounted on a portion of the converging mirror such that the window of the sensor element confronts a mirror member of the converging mirror.

REFERENCES:
patent: 4447726 (1984-05-01), Mudge et al.
patent: 4459484 (1984-07-01), Tar
patent: 4575633 (1986-03-01), Baker et al.
patent: 4618776 (1986-10-01), Sturm et al.

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