Pyroelectric detector apparatus

Details Pyroelectric detector apparatus Pyroelectric detector apparatus

1993-08-17

1994-10-18

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503381, H01L 27146

Patent

active

053571118

ABSTRACT:
Pyroelectric detection apparatus including a pyroelectric detector operative to produce an electric output in response to pulsed incident radiation and a discharge circuit for discharging the electric output. The discharge is operative to impose an effective high impedance on the pyroelectric detector during at least a portion of the duration of each radiation pulse and to impose a low effective resistance during the intervals between the radiation pulses.

REFERENCES:
patent: 4831257 (1989-05-01), McClelland et al.
patent: 4868390 (1989-09-01), Keller et al.
patent: 4963741 (1990-10-01), McMullin
patent: 5075549 (1991-12-01), Pines
patent: 5114228 (1992-05-01), Greenfield et al.

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