Intrusion detection apparatus

Details Intrusion detection apparatus Intrusion detection apparatus

1989-12-15

1991-05-28

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340531, 340566, 340573, 340691, G08B 1900

Patent

active

050198025

ABSTRACT:
Intrusion detection apparatus for detecting the intrusion within a predetermined area utilizes two detectors, a microwave detector and an infrared detector for providing an ouptut signal indicative of intrusion when both detectors detect an intrusion. The system is controlled by a key pad having a predetermined code for both enabling and disabling the system. Different types of outputs may be provided, depending on the desires of the users of the apparatus.

REFERENCES:
patent: 4536747 (1985-08-01), Jensen
patent: 4710750 (1987-12-01), Johnson
patent: 4882567 (1989-11-01), Johnson

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