Window alarm system

Details Window alarm system Window alarm system

1991-02-04

1992-01-21

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6193, 340666, 340693, G08B 1300, H01H 302

Patent

active

050831100

ABSTRACT:
A window alarm system includes a plurality of small, self-contained units strategically located on the window. The units are either spring-controlled or transducer-controlled, and are set to activate an alarm upon the application of a predetermined amount of pressure thereto.

REFERENCES:
patent: Re32180 (1986-06-01), Lewiner et al.
patent: 4539560 (1985-09-01), Fleck et al.
patent: 4617433 (1986-10-01), Hoshikawa et al.
patent: 4703313 (1987-10-01), Husmann et al.
patent: 4763110 (1988-08-01), Zucker
patent: 4855716 (1989-08-01), Jordal
patent: 4963705 (1990-10-01), Broderick et al.

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