Picket barrier and intrusion sensing system

Details Picket barrier and intrusion sensing system Picket barrier and intrusion sensing system

1985-08-19

1987-10-27

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340668, G08B 1300

Patent

active

047033134

ABSTRACT:
A picket barrier and intrusion sensing system including a plurality of vertically oriented, hollow, picket elements, connected together by means of a horizontal rail that also serves as a communication conduit. Each picket element has disposed therein a picket deformation sensor which is communicatively coupled to a supervised conductive loop contained within the connecting rail conduit. In the event that one or more of the pickets is deformed more than a predetermined amount, the internally contained sensor causes a signal to be generated, transmitted to the supervised loop and in turn sensed by an associated alarm system.

REFERENCES:
patent: 4500873 (1985-02-01), Porat et al.
patent: 4503423 (1985-03-01), Mainiero et al.
patent: 4558308 (1985-12-01), Ciordinik et al.

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