Capacitive sensing security system

Details Capacitive sensing security system Capacitive sensing security system

1985-05-14

1987-08-04

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

Specific condition

340562, 340564, 340514, 340561, 340510, 34087037, G08B 1326

Patent

active

046849319

ABSTRACT:
Separate signal input circuits respond to intruder disturbances of a capacitive wire sensing grid to generate signal outputs processed to reject signals caused by environmental phenomena with a high degree of statistical probability, by comparison of individual signal outputs with an averaged signal output from all of the signal input circuits.

REFERENCES:
patent: 3778807 (1973-12-01), Ralston
patent: 3836828 (1974-09-01), Siegel
patent: 4063447 (1977-12-01), Mathison
patent: 4295132 (1981-10-01), Burney et al.

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