Multi-zone intrusion detection system

Details Multi-zone intrusion detection system Multi-zone intrusion detection system

G - Physics

08

B

349/30

G08B 13/16 (2006.01) G01S 15/52 (2006.01)

Patent

CA 1050652

ABSTRACT OF THE DISCLOSURE An ultrasonic intrusion detection system having means for transmitting and receiving ultrasonic energy within a protected zone and generating an alarm when a moving object is present in the protected zone is supplemented to provide multiple independent response zones utilizing the same transmitter for all zones but individual receiver modules which can be added to the existing transmitter-receiver system to provide protection for additional independent zones with associated indicators for selectively indicating those zones which have been triggered by the presence of an intruder or other moving object.

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