High-voltage transformer and discharge lamp driving apparatus

Details High-voltage transformer and discharge lamp driving apparatus High-voltage transformer and discharge lamp driving apparatus

2005-07-19

2005-07-19

Tran, Thuy V. (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

C315S276000

Reexamination Certificate

active

06919693

ABSTRACT:
A high-voltage transformer for lighting a plurality of discharge lamps has a primary coil for inputting an AC voltage and a secondary coil for outputting a predetermined AC voltage higher than the AC voltage inputted. The primary coil has a starter primary winding for initially lighting the discharge lamps, and a normal lighting primary winding for normally lighting the discharge lamps.

REFERENCES:
patent: 3967159 (1976-06-01), Dendy et al.
patent: 4187450 (1980-02-01), Chen
patent: 5192897 (1993-03-01), Vossough et al.
patent: 5729095 (1998-03-01), Shimokawa et al.
patent: 6316883 (2001-11-01), Cho et al.
patent: 6628093 (2003-09-01), Stevens
patent: 6747421 (2004-06-01), Kohn
patent: 2004/0113569 (2004-06-01), Henry
patent: 2002-353044 (2002-12-01), None

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