Key controlled, position sensitive, portable alarm

Details Key controlled, position sensitive, portable alarm Key controlled, position sensitive, portable alarm

1979-02-08

1981-06-23

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6152, 340591, 340547, 340689, 200 6145R, 200 6145M, G08B 1314, G08B 1308

Patent

active

042753910

ABSTRACT:
A portable alarm device senses movement of the device and actuates an alarm. A pendulum with attached magnet, set in motion by movement of the device, causes closing of alarm circuit reed switches to actuate a continuous alarm. The pendulum may be set by a control member and removable key to a hold position to prevent its oscillation or to a release position to allow its oscillation.

REFERENCES:
patent: 3261010 (1966-07-01), Kardel
patent: 3548400 (1970-12-01), Boyd et al.
patent: 3725896 (1973-04-01), Wagner
patent: 4012611 (1977-03-01), Peterson
patent: 4030087 (1977-06-01), Ritchie et al.

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