Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1988-10-18
1990-04-24
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
256 12, 340550, G08B 1312, G08B 1500
Patent
active
049203312
ABSTRACT:
A security installation for a property includes an imperforate protective barrier, a plurality of spaced posts extending upwardly from the top of the barrier and a plurality of spaced trip wires extending between the posts for detecting the presence of an intruder breaching, or attempting to breach, the barrier. The installation further includes a plurality of spaced posts protruding transversely from the inner side of the barrier, and a plurality of electrical wires extending between the posts. The electrical wires are adapted to impart at least a temporarily incapacitating shock to an intruder.
REFERENCES:
patent: 4081177 (1978-03-01), Graff
patent: 4155083 (1979-05-01), Slaats et al.
patent: 4525701 (1985-06-01), Leih
patent: 4533906 (1985-08-01), Amir
Raath Pieter L.
Ver Loren van Themaat Hendrik M.
Sekerheid En Elektronika Laboratoria
Swann III Glen R.
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