Surveillance system employing a floor mat radiator

Details Surveillance system employing a floor mat radiator Surveillance system employing a floor mat radiator

1980-06-09

1981-07-28

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340552, G08B 1324

Patent

active

042813212

ABSTRACT:
A floor mat consisting of a conductive grid laminated to a conductive sheet with a layer of dielectric material therebetween to form a capacitor is disposed between the pedestals that house means for radiating a microwave signal through a surveillance area. A low frequency signal is applied to the capacitor mat for direct capacitive coupling through the body of a pedestrian to any surveillance tag carried thereon.

REFERENCES:
patent: 3493955 (1970-02-01), Minasy
patent: 3500373 (1970-03-01), Minasy
patent: 3868669 (1975-02-01), Minasy
patent: 3891980 (1975-06-01), Lewis et al.
patent: 3895368 (1975-07-01), Gordon et al.
patent: 4095214 (1978-06-01), Minasy
patent: 4135184 (1979-01-01), Pruzick

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