Fence particularly useful for detecting intrusion attempts

Details Fence particularly useful for detecting intrusion attempts Fence particularly useful for detecting intrusion attempts

1982-09-15

1985-08-06

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

340666, 256 36, 200 6193, G08B 1312

Patent

active

045339066

ABSTRACT:
A wire fence includes a plurality of wires tensioned at their opposite ends by ground-anchoring means each comprising a pair of vertical posts anchorable in the ground in spaced parallel relationship, and a diagonal post secured between the lower end of one vertical post and the upper end of the other, so that the diagonal post extends at an incline between the two vertical posts. The fence includes trip-wires secured to the diagonal post and freely movable in the longitudinal direction with respect to the vertical posts. The trip wires are connected to a detector which is actuated upon the disturbance of a trip wire.

REFERENCES:
patent: 2192 (1863-09-01), Rowell
patent: 230925 (1880-08-01), Curry
patent: 349559 (1886-09-01), Bell
patent: 520217 (1984-05-01), Perkins
patent: 591760 (1897-10-01), Harden
patent: 4155083 (1979-05-01), Slaats et al.
patent: 4318088 (1982-03-01), Hunter
patent: 4327358 (1982-04-01), Karas
patent: 4367459 (1983-01-01), Amir et al.

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