Accession Number:

ADD005760

Title:

RF Loop Intruder Detection System.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Report Date:

1979-01-16

Pagination or Media Count:

5.0

Abstract:

An RF intruder system utilizes two concentric loops of wire spaced apart for a predetermined magnitude, either of which can transmit andor receive electromagnetic energy. This area within the loops are to be protected against intrusion. Without intrusion, the received signal is steady. Upon intrusion, there are signal changes which are instantly noted by signal detection and processing. Author

Subject Categories:

  • Active and Passive Radar Detection and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE