Personal alarm

Details Personal alarm Personal alarm

1980-03-17

1981-04-14

Waring, Alvin H.

Communications: electrical

Condition responsive indicating system

Specific condition

340393, G08B 1500

Patent

active

042622859

ABSTRACT:
A personal alarm device which provides for both intermittent actuation of a personal alarm as well as irreversible actuation of such alarm by the provision of multiple actuation modes including a positive displacement device which is lever and spring controlled to move a pin within the device out of restraining engagement with an alarm actuator mechanism in a manner which will prevent deactivation of the alarm by return of the pin to its previous position.

REFERENCES:
patent: 3594748 (1971-07-01), Grotjahn

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