Lighting circuit

Details Lighting circuit Lighting circuit

2007-01-18

2008-09-16

Tran, Thuy Vinh (Department: 2821)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C315S291000, C315SDIG002

Reexamination Certificate

active

07425777

ABSTRACT:
A lighting circuit includes a DC/DC converting circuit for boosting an input DC voltage so as to produce boosted DC power, a detecting circuit for producing a detection signal in response to the output voltage of the DC/DC converting circuit, a DC/AC converting circuit for producing AC power to be supplied to the discharge tube from the boosted DC power, a starting circuit for starting up the discharge tube, and a control circuit for receiving the detection signal from the detecting circuit. The control circuit contains a capacitor which is charged based upon the detection signal, a first discharging unit for discharging the capacitor, a second discharging unit for providing a discharging path for the capacitor in response to turning-OFF of the input DC voltage, and a signal producing unit for producing a control signal used to adjust the output of the DC/DC converting circuit in response to a terminal voltage of the capacitor.

REFERENCES:
patent: 5212428 (1993-05-01), Sasaki et al.
patent: 5705898 (1998-01-01), Yamashita et al.
patent: 5920128 (1999-07-01), Hines
patent: 6137240 (2000-10-01), Bogdan
patent: 6426570 (2002-07-01), Nerone
patent: 6563275 (2003-05-01), Ito et al.
patent: 2004/0119425 (2004-06-01), Okamoto et al.
patent: 2006/0006812 (2006-01-01), Alexandrov
patent: 2006/0108940 (2006-05-01), Kamoi
patent: 2006/0175983 (2006-08-01), Crouse et al.
patent: 2003-338390 (2003-11-01), None
patent: 2005-026071 (2005-01-01), None

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