Harmonized strategy for eliminating acoustic resonance in a fluo

Details Harmonized strategy for eliminating acoustic resonance in a fluo Harmonized strategy for eliminating acoustic resonance in a fluo

1998-12-04

2000-07-11

Philogene, Haissa

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

315244, 315209R, 315307, H05B 4116

Patent

active

060877855

ABSTRACT:
A technology for eliminating acoustic resonance in a fluorescent lamp is disclosed in the present invention. The feature of the invention is to provide a harmonic compensating device to work with the fluorescent lamp and its relative peripheral circuits, such that current-dependent sources are provided to modulate the current in the lamp, thereby spreading the harmonic energy of the current in the lamp and eliminating acoustic resonance.

REFERENCES:
patent: 5623187 (1997-04-01), Caldeira et al.
patent: 5773937 (1998-06-01), Miyazaki et al.
patent: 5859505 (1999-01-01), Bergman et al.

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