PASSIVE INFRARED INSTUSION DETECTOR FOR COVERT UNATTENDED SURVEILLANCE (FROM CARNAHAN CONFERENCE ON ELECTRONIC CRIME COUNTERMEASURES, 1971 - PROCEEDINGS NCJ-02891)

• NCJ Number: 30974
• Author(s): F SCHWARZ; R E BUCKLEY
• Date Published: 1971
• Length: 4 pages
• Sponsoring Agency: Kentucky Dept of Corrections
• Corporate Author: University of Kentucky
• Publication Format: Document
• Language: English
• Country: United States of America

Annotation

THIS PAPER DESCRIBES A SMALL INFRARED DETECTION DEVICE THAT WILL, UNATTENDED, SENSE THE PRESENCE OF AN INTRUDER BY HIS BODY HEAT ALONE AT DISTANCES OF SEVERAL HUNDRED FEET.

Abstract

THE AUTHORS DESCRIBE HOW THIS DEVICE CAN BE USED TO ACTIVATE CAMERAS, TELEVISION CAMERAS, MICROPHONES, AND OTHER SURVEILLANCE DEVICES.