Transformer and multi-lamp driving circuit using the same

Details Transformer and multi-lamp driving circuit using the same Transformer and multi-lamp driving circuit using the same

2007-09-27

2008-12-02

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

C315S277000, C315S177000, C315S294000, C315S324000, C336S145000, C336S183000, C336S170000, C336S208000

Reexamination Certificate

active

07459863

ABSTRACT:
A transformer for driving multiple lamps includes a core, a primary winding set, a secondary winding set and a balancing winding set. The primary winding set winds around the core and includes a first primary coil. The secondary winding set winds around the core and includes a first secondary coil. The balancing winding set winds around the core and includes a first balancing coil and a second balancing coil which wind around the core in a combinative way. The primary winding set, the secondary winding set and the balancing winding set have the same magnetic-flux loop in the core.

REFERENCES:
patent: 7176777 (2007-02-01), Hsueh et al.
patent: 7242147 (2007-07-01), Jin
patent: 7250731 (2007-07-01), Jin
patent: 7282868 (2007-10-01), Ushijima et al.
patent: 2006/0119293 (2006-06-01), Chan et al.
patent: 2008/0203944 (2008-08-01), Sun et al.

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