Infrared location system

Details Infrared location system Infrared location system

1995-09-29

1997-06-24

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01J 510

Patent

active

056419635

ABSTRACT:
An improved IR detector system is described which uses a plurality of IR detection modules coupled to a central computer to determine the location of an intrusion to the system. Each IR detection module has a plurality of optically isolated lens and detector pairs arranged in an arcuate array coupled to a local microprocessor chip which is unique to that module such that each lens and detector pair produces a response to a sensed intrusion along a particular radial of the array's arc to allow the local microprocessor to produce a coded signal to the central computer which corresponds to the direction of the sensed intrusion. Using a triangulation algorithm, the central computer combines the coded signals from whichever of the plurality of IR detection modules are active to compute the location of the intrusion.

REFERENCES:
patent: 5008543 (1991-04-01), Bertrand et al.
patent: 5315363 (1994-05-01), Nettleton et al.
patent: 5446285 (1995-08-01), Choi
patent: 5567942 (1996-10-01), Lee et al.

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