Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Plural discharge devices and/or rectifiers in the supply...
Patent
1980-02-28
1981-06-09
Smith, Alfred E.
Electric lamp and discharge devices: systems
Discharge device and/or rectifier in the supply circuit
Plural discharge devices and/or rectifiers in the supply...
315199, 315311, 315DIG7, H05B 4116, H05B 4118
Patent
active
042727049
ABSTRACT:
A D.C. power supply energized directly from an A.C. source including a voltage doubler circuit supplied with current from the A.C. source via a gate controlled bidirectional switch with the gate circuit for the bidirectional switch connected for control by a disabling switch means. The disabling switch means is controlled by a voltage level sensing circuit that senses the output voltage of the voltage doubler circuit to cause operation of the disabling switch means to disable the gate circuit for the bidirectional switch when a predetermined voltage level is sensed by the sensing circuit.
REFERENCES:
patent: 3518486 (1970-06-01), Babcock
patent: 3962601 (1976-06-01), Urzesinski
Alexander Cruzan
Marben Robert L.
Minnesota Mining and Manufacturing Company
O'Hare Thomas P.
Sell Donald M.
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