ClassID:

233290

H05B41/386 - CPC Classification

Classification description:

Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements; Controlling; Controlling the intensity of light during the transitional start-up phase for speeding-up the lighting-up

Recent Application in this class:
#1
20150195894
2015-07-09

Relamping circuit

#2
20150192846
2015-07-09

Discharge lamp lighting device, discharge lamp lighting method, and projector

#3
20120038276
2012-02-16

Discharge lamp ballast, lighting unit, and vehicle

#4
20110074295
2011-03-31

DISCHARGE LAMP LIGHTING DEVICE, VEHICLE-MOUNTED HIGH-INTENSITY DISCHARGE LAMP LIGHTING DEVICE, AND VEHICLE

#5
20110025204
2011-02-03

METAL HALIDE LAMP, METAL HALIDE LAMP LIGHTING, AND HEAD LIGHT

#6
20100244741
2010-09-30

Discharge lamp lighting device and lighting fixture

#7
20100134766
2010-06-03

Lighting device, light source device, projector, and discharge lamp lighting method

#8
20090289557
2009-11-26

Discharge lamp lighting device for lighting discharge lamps

#9
20090079366
2009-03-26

Fast run-up of metal halide lamp by power modulation at acoustic resonance frequency

#10
20090079365
2009-03-26

Control method and ballast for run-up of metal halide lamp

#11
20090002776
2009-01-01

Image scanning apparatus and method thereof

#12
20080284339
2008-11-20

Discharge lamp ballast apparatus

#13
20080106219
2008-05-08

Driving circuit of surface light source and method of driving the same

#14
20070262729
2007-11-15

High pressure discharge lamp lighting device

#15
20070228991
2007-10-04

Liquid crystal display backlight inverter

#16
20070164689
2007-07-19

Lighting circuit

#17
20070132398
2007-06-14

Optical and temperature feedbacks to control display brightness

#18
20070103088
2007-05-10

STARTUP METHOD FOR THE MERCURY-FREE FLAT-FLUORESCENT LAMP

#19
20070075649
2007-04-05

Electricity controller, device for lighting discharge tube, display device and electric power control method

#20
20070052373
2007-03-08

Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps

#21
20070018591
2007-01-25

Ballast for high-pressure discharge lamp and method of operating the same

#22
20060273742
2006-12-07

Display apparatus and control method thereof

#23
20060261750
2006-11-23

Method and device for driving CCFL circuit

#24
20060170368
2006-08-03

Apparatus and method of driving light source for display device

#25
20060145635
2006-07-06

Lamp driving apparatus, liquid crystal display comprising the same, and driving method thereof

#26
20060138972
2006-06-29

Apparatus for driving cold cathode fluorescent lamps

#27
20060119284
2006-06-08

Operating device and method for operating gas discharge lamps

#28
20060087790
2006-04-27

Protective device for vehicle electronic apparatus

#29
20060082330
2006-04-20

Ballast power supply

#30
20060082329
2006-04-20

Inverter and method for rapid warm-up of luminance loadings

#31
20060055341
2006-03-16

Discharge lamp lighting device, illumination device, and projector

#32
20060012318
2006-01-19

Lighting apparatus for discharge lamp

#33
20050258782
2005-11-24

High-voltage discharge lamp operating device

#34
20050110431
2005-05-26

Low frequency inverter fed by a high frequency AC current source

#35
20050088114
2005-04-28

Discharge lamp lighting device

#36
20050088102
2005-04-28

Optical and temperature feedbacks to control display brightness

#37
20050077839
2005-04-14

Light emitting diode module

#38
20050062435
2005-03-24

Discharge lamp lighting circuit

#39
20050029964
2005-02-10

Discharge lamp lighting circuit with power control