Accession Number:

ADD007439

Title:

Intrusion Detection System.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Report Date:

1980-07-15

Pagination or Media Count:

9.0

Abstract:

An intrusion detection system utilizes a radio frequency radiative system whose near electromagnetic field is monitored by receiving devices is disclosed. This system responds, in a measurable way, to any disturbance of the near electromagnetic field by physical intrusion.

Subject Categories:

  • Active and Passive Radar Detection and Equipment
  • Radiofrequency Wave Propagation

Distribution Statement:

APPROVED FOR PUBLIC RELEASE