Multi-lamp backlight system

Details Multi-lamp backlight system Multi-lamp backlight system

2006-07-11

2006-07-11

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Plural load device systems

C315S246000, C315S254000, C315S276000

Reexamination Certificate

active

07075244

ABSTRACT:
A multi-lamp backlight system. The system includes a core, a first coil set wrapped around the core, to which a first AC voltage is applied, a second and third coil sets wrapped around the core and respectively disposed on two sides of the first coil set, on which a second and third AC voltage are induced by the first voltage signal applied to the first coil set respectively, wherein the numbers of coils of the second and third coil sets are substantially the same, and first and second lamps are supplied with power by the second and third AC voltages respectively.

REFERENCES:
patent: 4547705 (1985-10-01), Hirayama et al.
patent: 5144203 (1992-09-01), Fujita et al.
patent: 6104146 (2000-08-01), Chou et al.
patent: 6150772 (2000-11-01), Crane
patent: 6310444 (2001-10-01), Chang
patent: 6515427 (2003-02-01), Oura et al.
patent: 6717372 (2004-04-01), Lin et al.
patent: 570268 (2004-01-01), None

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