Lighting of discharge lamp by frequency control

Details Lighting of discharge lamp by frequency control Lighting of discharge lamp by frequency control

2007-06-12

2007-06-12

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Regulation of the control current and/or potential applied...

C315S291000, C315S307000, C315S244000, C315S2090SC

Reexamination Certificate

active

11218461

ABSTRACT:
A discharge lamp controlling apparatus includes a detector for detecting a discharge condition of a discharge lamp; a frequency changing unit for gradually changing a frequency of a voltage to be applied to the discharge lamp until the discharge condition reaches a predetermined lighting condition; and a voltage controller for controlling the voltage to be applied to the discharge lamp on the basis of the frequency changed by the frequency changing unit.

REFERENCES:
patent: 5990634 (1999-11-01), Brown
patent: 6072282 (2000-06-01), Adamson
patent: 6509700 (2003-01-01), Nakatsuka et al.
patent: 6696798 (2004-02-01), Nishimoto et al.
patent: 6979959 (2005-12-01), Henry
patent: A 05-217682 (1993-08-01), None
patent: A 07-022182 (1995-01-01), None
patent: A 07-169583 (1995-07-01), None
patent: A 09-092483 (1997-04-01), None
patent: A 09-167693 (1997-06-01), None
patent: A 2003-031394 (2003-01-01), None
patent: A 2003-163093 (2003-06-01), None
patent: A 2003-243194 (2003-08-01), None
patent: A 2003-308989 (2003-10-01), None
patent: A 2004-047234 (2004-02-01), None

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