Solid state ballast for fluorescent lamps

Details Solid state ballast for fluorescent lamps Solid state ballast for fluorescent lamps

1992-05-29

1994-05-03

Pascal, Robert J.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural discharge devices and/or rectifiers in the supply...

315209R, 315DIG2, 315DIG5, 315DIG7, 363132, 363 22, H05B 3700

Patent

active

053090667

ABSTRACT:
A device to produce alternating electric current of high frequency for power consumers such as fluorescent lamps, which includes the means of supplying a DC voltage nearly twice the size of the peak voltage of the alternating voltage input--with negligible loss of power--to the remainder of the circuit and thus reducing the intrinsic power consumption of the device as well as making it possible to supply the said power consumer such as the fluorescent lamp with a higher start voltage as well as a higher voltage in operation.

REFERENCES:
patent: 3590362 (1971-06-01), Kakalec
patent: 4398128 (1983-08-01), Wollank
patent: 4463285 (1984-07-01), Nilssen
patent: 4506318 (1985-03-01), Nilssen
patent: 4513364 (1985-04-01), Nilssen
patent: 4692681 (1987-09-01), Nilssen
patent: 4745537 (1988-05-01), Cheung
patent: 4935862 (1990-06-01), Herbsleb et al.
patent: 5047690 (1991-09-01), Nilssen
patent: 5063331 (1991-11-01), Nostwick

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