Audible alarm system for an electrical outlet

Details Audible alarm system for an electrical outlet Audible alarm system for an electrical outlet

1975-04-01

1977-07-19

Habecker, Thomas B.

Communications: electrical

Systems

Call station

340283, 340310CP, G08B 2100

Patent

active

040372235

ABSTRACT:
An audible alarm system for an electrical outlet including a housing dimensioned to prevent access to the socket of an electrical outlet upon insertion therein, means coupled to the housing for insertion into a socket, alarm means in the housing for providing an audible alarm, and pressure responsive switch means for normally completing a circuit to the alarm means to activate the same. The pressure responsive switch means having an outwardly extending member for engagement and depression by the electrical outlet upon insertion into a socket to open the circuit to the alarm means and deactivate the same; release of the outwardly extending member during withdrawal of the housing from the socket causing the pressure responsive switch means to close the circuit to the alarm means to provide an audible alarm.

REFERENCES:
patent: 2439708 (1948-04-01), Abraham
patent: 2916733 (1959-12-01), Hirsch
patent: 3090948 (1963-05-01), Cremer
patent: 3714616 (1973-01-01), Sample

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