Electric lamp and discharge devices: systems – Time-controlled
Patent
1982-09-09
1983-12-20
Dixon, Harold A.
Electric lamp and discharge devices: systems
Time-controlled
315149, 315363, 340600, H05B 3702
Patent
active
044220189
ABSTRACT:
There is disclosed apparatus which is inserted in an electrical circuit, such as, for example, between an incandescent lamp and the socket therefor, to provide automatic disconnection or opening of the circuit after a predetermined time period and which includes an acoustically activated abort means to interrupt the disconnect cycles and means to reset the cycle for another predetermined time period. The apparatus may be installed, as mentioned, between an incandescent lamp and the socket therefor, installed in a common wall switch, incorporated into a common appliance receptacle or plugged into a common electrical outlet between the outlet and an electrical appliance or a lighting system.
REFERENCES:
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patent: 3761912 (1973-09-01), Stettner
patent: 3780260 (1973-12-01), Elsner
patent: 3818213 (1974-06-01), Rockford et al.
patent: 4157625 (1979-06-01), Bowser
patent: 4164823 (1979-08-01), Marsico
patent: 4196461 (1980-04-01), Geary
patent: 4256009 (1981-03-01), Verduin et al.
patent: 4298868 (1981-11-01), Spurgeon
patent: 4305021 (1981-12-01), Schreiden
patent: 4346427 (1982-08-01), Blissett
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