Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit
Patent
1981-12-10
1984-03-13
Moore, David K.
Electric lamp and discharge devices: systems
Surge generator or inductance in the supply circuit
315307, 315DIG5, H05B 3700, H05B 3900, H05B 4114
Patent
active
044370423
ABSTRACT:
Starting and operating circuit for gaseous discharge lamps having device for quickly restarting extinguished lamps while still hot includes means for reducing power supply voltage overshoot upon turn-on of the system. Circuit comprises a source of alternating current, an inductive regulator ballast having its input connected to the alternating current source, and a gaseous discharge lamp connected to the output of the ballast, a sine wave oscillator circuit having its input connected to the current supply and having its output connected to a transformer connected in series between the ballast and the lamp for stepping up and applying voltage to the lamp, a rectifier connected between the alternating current source and the oscillator circuit, the overshoot reducing means comprising a resistor connected between the rectifier and the oscillator circuit and a controlled switch for selectively connecting and disconnecting the resistor in the circuit.
REFERENCES:
patent: 3740609 (1973-06-01), Moerkens
patent: 4087723 (1978-05-01), Chermin et al.
patent: 4177403 (1979-12-01), Remery
patent: 4331905 (1982-05-01), Owen
patent: 4378514 (1983-03-01), Collins
Morais Don
Owen Daniel V.
General Electric Company
Jacob Fred
Legree Ernest W.
Moore David K.
Schlamp Philip L.
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