Anti-theft system

Details Anti-theft system Anti-theft system

1988-05-09

1990-01-02

Bertsch, Richard A.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 6162, 200 4301, 200296, 180287, B60R 2504

Patent

active

048914789

ABSTRACT:
A dwelling security system includes, in a strategic location behind the dwelling wall which mounts the door into the dwelling, an auxiliary switch that has a small diameter tube and switch contacts at the end of the tube, such that access to the switch contacts at the ens must be made through the tube, by using an insertable probe. The entrance opening into the tube through which the probe is inserted is `hidden` by being disguised as a decorative feature of the dwelling wall.

REFERENCES:
patent: 3138780 (1964-06-01), Jacobsen
patent: 4192400 (1980-03-01), McEwan
patent: 4515237 (1985-05-01), Gonzalez et al.
patent: 4628300 (1986-12-01), Amato
patent: 4638293 (1987-01-01), Min

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