Infrared sensing device and method

Details Infrared sensing device and method Infrared sensing device and method

1996-07-12

1998-12-01

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250DIG1, G01J 508

Patent

active

058442405

ABSTRACT:
An infrared sensing device includes a condensing lens for gathering an infrared ray from a human body, a guide unit for dividing a room to be monitored into a plurality of lateral and vertical zones and for guiding the infrared ray to a part of an infrared sensor unit corresponding to its direction, a housing for enclosing the condensing lens and guide unit to preclude dispersion of the incident infrared ray, an infrared sensor unit for sensing an infrared ray of a certain zone or infrared rays of a plurality of zones guided by the guide unit and housing, and a signal processing unit for amplifying an output signal of the infrared sensor unit, and for converting the applied signal into a digital signal and analyzing the digital signal.

REFERENCES:
patent: 3717763 (1973-02-01), Tanaka et al.
patent: 5555512 (1996-09-01), Imai et al.
patent: 5567942 (1996-10-01), Lee et al.

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