Device and method for the multi-phase operation of a gas...

Details Device and method for the multi-phase operation of a gas... Device and method for the multi-phase operation of a gas...

2007-01-02

2007-01-02

Vu, David (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Impedance or current regulator in the supply circuit

C315S307000, C315SDIG002, C315SDIG002

Reexamination Certificate

active

10466350

ABSTRACT:
The present invention describes an apparatus and methods for operating one or more gas arc lamps or metal vapor, wherein a rectified multiphase voltage is directly used by an electronic ballast device without intermittently connecting any active component, so as to achieve an efficient control of a gas arc lamp with a reduced interference radiation, wherein the power factor is inherently higher than 0.95.

REFERENCES:
patent: RE33057 (1989-09-01), Clegg et al.
patent: 6034489 (2000-03-01), Weng
patent: 6037722 (2000-03-01), Moisin
patent: 2005/0035729 (2005-02-01), Lev et al.
patent: 0489477 (1992-06-01), None

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