H05B41/391 - CPC Classification Index

ClassID:

233293 ⎘

H05B41/391 - CPC Classification

Classification description:

Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements; Controlling; Controlling the intensity of light continuously using saturable magnetic devices

Recent Application in this class:

20130043807

2013-02-21

Lighting device control using variable inductor

20130026952

2013-01-31

Illumination apparatus, electronic ballast therein and method for protecting the same

20100148692

2010-06-17

Auto-dimming apparatus for controlling power delivered to a load

20090051299

2009-02-26

LINEAR REACTOR BALLAST FOR SPORTS LIGHTING FIXTURES

20060017401

2006-01-26

Dimming control techniques using self-excited gate circuits

20050062439

2005-03-24

Dimming control techniques using self-excited gate circuits