Intrusion detection barrier

Details Intrusion detection barrier Intrusion detection barrier

1989-04-13

1990-05-29

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6193, 340668, G08B 1300, H01H 302

Patent

active

049299263

ABSTRACT:
An intrusion detection barrier, comprises a coiled wire fence deployable over the ground or over another fence, a sensor wire tensioned between a pair of wire-supporting posts anchored in the ground, an intrusion detector connected to the sensor wire to sense any change in tension thereof, and coupling members coupling the sensor wire to spaced points of the coiled wire fence. Each of the coupling members permits free movement of the sensor wire with respect to the coiled wire fence in the direction of the longitudinal axis of the sensor wire, but restrains movement of the sensor wire with respect to the coiled wire fence in the direction transversely to the longitudinal axis of the sensor wire.

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patent: 4527150 (1985-07-01), Porat
patent: 4680573 (1987-07-01), Ciordinik et al.
patent: 4703313 (1987-10-01), Husmann et al.
patent: 4730809 (1988-03-01), Stoler

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