Circuit arrangement and method for operation of lamps

Details Circuit arrangement and method for operation of lamps Circuit arrangement and method for operation of lamps

2007-07-10

2007-07-10

Dinh, Trinh (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S307000

Reexamination Certificate

active

11353985

ABSTRACT:
Circuit arrangement having a free-running half-bridge inverter for operation of gas discharge lamps. A stop device is used to enable the drive to the half-bridge switches only during an on time. The oscillation frequency of the half-bridge inverter can be adjusted by the duration of the on time. This allows control of the lamp operating variables.

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Fengfeng Tao, et al., “Self-Oscillating Electronic Ballast with Dimming Control”, Power Electronics Specialists Conference, 2001, IEEE, USA.

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