Circuit arrangement

Details Circuit arrangement Circuit arrangement

2002-10-22

2009-02-03

Dinh, Trinh V (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

C315S224000, C315S291000

Reexamination Certificate

active

07486028

ABSTRACT:
A ballast arrangement is provided for igniting and operating a discharge lamp. The lamp is connected in a commutating bridge in series with an inductor and parallel to a capacitor. The inductor and the capacitor together form a resonance circuit. During ignition, the bridge is commutated at a comparatively high frequency that changes with respect to time. The series resonance circuit has a resonance frequency that is close to an odd harmonic of the comparatively high frequency.

REFERENCES:
patent: 5426350 (1995-06-01), Lai
patent: 5623187 (1997-04-01), Caldeira et al.
patent: 5677602 (1997-10-01), Paul et al.
patent: 5686798 (1997-11-01), Mattas
patent: 5742132 (1998-04-01), Huber et al.
patent: 5923127 (1999-07-01), Keijser et al.
patent: 6141227 (2000-10-01), Sheikh et al.
patent: 6324078 (2001-11-01), Naruo et al.
patent: 6437515 (2002-08-01), Kamoi et al.
patent: 6965204 (2005-11-01), Langeslag
patent: 2002/0041165 (2002-04-01), Cammack
patent: 0408121 (1991-01-01), None

Affiliated with

Also associated with

Rating

Circuit arrangement does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Circuit arrangement, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circuit arrangement will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4081886