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Proceedings Paper

Passive Infrared Security Systems
Author(s): Saul Haffner
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Paper Abstract

A variety of infrared instruments have been developed for the detection of intruders. Operating on the principle that all intruders emit infrared radiation, sensors have been designed to detect this radiation. This paper describes a number of applications in indoor area protection and outdoor surveillance. Also discussed are the advantages and limitations of such systems compared with other technologies.

Paper Details

Date Published: 20 September 1977
PDF: 8 pages
Proc. SPIE 0108, Optics in Security and Law Enforcement I, (20 September 1977); doi: 10.1117/12.955490
Show Author Affiliations
Saul Haffner, Barnes Engineering Company (United States)


Published in SPIE Proceedings Vol. 0108:
Optics in Security and Law Enforcement I
Charles Freeman; Sol Nudelman; Joseph C. Richmond, Editor(s)

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