Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1988-11-18
1990-03-06
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
256 1, 340541, G08B 1312
Patent
active
049069756
ABSTRACT:
An intrustion detection barrier is provided comprising inner and outer coils defined by helical barbed tape. The inner coil comprises a vibration-responsive intrusion detection cable securely retained and protected therein. The inner coil is supported centrally within the outer coil by radially extending supports which may be flat straps which are effective to transmit vibrations from the outer coil to the inner coil. The straps may be welded or otherwise mechanically connected to both the inner and outer coils, and may further be provided with clusters of barbs thereon.
REFERENCES:
patent: Re30814 (1981-12-01), Mainiero
patent: 2908484 (1959-10-01), Uhl
patent: 3010701 (1961-11-01), Klemm
patent: 3463455 (1969-08-01), Meckel
patent: 3763482 (1973-10-01), Burney et al.
patent: 3947835 (1976-03-01), Laymon
patent: 3956743 (1976-05-01), Geiszler et al.
patent: 4028925 (1977-06-01), Mainiero
patent: 4040603 (1977-08-01), Mainiero
patent: 4365239 (1982-12-01), Mongeon
patent: 4503423 (1985-03-01), Mainiero et al.
patent: 4509726 (1985-04-01), Boggs et al.
patent: 4680573 (1987-07-01), Ciordinik et al.
patent: 4718641 (1988-01-01), Mainero
patent: 4760295 (1988-07-01), Macalindin
patent: 4777476 (1988-10-01), Dank
patent: 4818972 (1989-04-01), Mainiero et al.
"Guardwire 300 Series" Brochure; printed in U.K.--Guardwire of Kingsfield InNdustrial Estate, Derby Road, Wirksworth, Derby, DE4 4BG, England--Complete Brochure.
Intrusion Detection Systems by Robert L. Barnard, 1981 (pp. 71-74).
"Peristop" Brochure--Bigotec AG, Aaron, Switzerland.
Casella Anthony J.
Mainiero John W.
Mainiero Michael R.
Zagami Anthony R.
Casella Anthony J.
Hespos Gerald E.
MRM Security Systems, Inc.
Swann III Glen R.
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