Intrusion detection switch housing

Details Intrusion detection switch housing Intrusion detection switch housing

1988-11-29

1990-02-20

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

Specified housing

340541, 340545, 200 617, 335205, G08B 2300, G08B 1308

Patent

active

049030108

ABSTRACT:
A threadably installable intrusion detection unit. The unit has a generally cylindrical housing with an exterior threaded surface and an end portion formed to receive a screw driver. An operative intrusion detection element, such as a magnetic or a reed switch, is contained within the hollow interior of the housing.

REFERENCES:
patent: 3896404 (1975-07-01), Peterson
patent: 4148001 (1979-04-01), Gwozdz
patent: 4700163 (1987-10-01), Wolfe, Jr.
United Security Products, Inc., Magnetic Switch Product Literature, Nov. 29, 1988.

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