Window alarm system

Details Window alarm system Window alarm system

1987-06-22

1988-08-09

Levy, Stewart J.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6193, 340666, G08B 1310

Patent

active

047631104

ABSTRACT:
A self contained portable window alarm system that is placed on the interior surface of a window sill in a home. The system has a pressure actuated switch assembly that is in series with a battery and a siren alarm assembly. The pressure actuated electrical switch assembly appears as a pair of flat elongated strips that extend across the width of the window sill. When anyone attempts to enter through the window opening, the slightest pressure of their weight will close the electrical switch causing the siren alarm to set off a 110 decibel signal. The battery and siren alarm assembly are mounted within a housing that is rigidly attached to the pressure actuated electrical switch assembly. There are no external wires visible to the naked eye.

REFERENCES:
patent: 1246433 (1917-11-01), Kellogg
patent: 1832905 (1931-11-01), Jacobson
patent: 2683784 (1954-07-01), Rector
patent: 2780693 (1957-02-01), McClellan
patent: 3991415 (1976-11-01), Baar, Sr.
patent: 4245219 (1981-01-01), Dempsey et al.

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