H05B41/16 - CPC Classification Index

ClassID:

233242 ⎘

H05B41/16 - CPC Classification

Classification description:

Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies

Sub-classes:

H05B41/18 » having a starting switch 8
H05B41/20 » having no starting switch 1

Recent Application in this class:

20230354500

2023-11-02

Asymmetrical ballast transformer

20210274629

2021-09-02

Asymmetrical ballast transformer

20210051790

2021-02-18

Asymmetrical ballast transformer

20190309915

2019-10-10

Power delivery system for a light tower

20190104602

2019-04-04

Discharge lamp drive device, light source device, projector, and discharge lamp drive method

20170332464

2017-11-16

Electronic device

20170231073

2017-08-10

Discharge lamp lighting device, lamp failure detection method, and projector

20170110290

2017-04-20

Radial waveguide systems and methods for post-match control of microwaves

20170071052

2017-03-09

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

#10

20150131063

2015-05-14

Method for operating a discharge lamp and projection arrangement

#11

20150103324

2015-04-16

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

#12

20150103323

2015-04-16

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

#13

20150055097

2015-02-26

Discharge lamp driving device, projector, and method for driving a discharge lamp

#14

20140320033

2014-10-30

Circuit for reducing flicker in a lighting load

#15

20140210371

2014-07-31

DIGITALLY CONTROLLED ELECTRONIC BALLAST WITH ANTI-STRIATION CONTROL AND METHOD OF OPERATION THEREOF

#16

20140203725

2014-07-24

POWER CIRCUIT OF A VACUUM FLUORESCENT DISPLAY HAVING NEITHER TRANSFORMER NOR ELECTROMAGNETIC INTERFERENCE

#17

20140139127

2014-05-22

Electronic ballast with real-time current crest factor improvement function

#18

20140111111

2014-04-24

Gas discharge lamp ballast with reconfigurable filament voltage

#19

20140078131

2014-03-20

Alternating current light emitting device

#20

20140049159

2014-02-20

Multiple strike ballast with lamp protection for electrodeless lamp

#21

20140001957

2014-01-02

High intensity discharge electronic ballast circuit, electronic ballast, and high intensity discharge lamp

#22

20130328485

2013-12-12

Apparatus and method for driving fluorescent lamp

#23

20130214681

2013-08-22

METHOD FOR OPERATING A GAS DISCHARGE LAMP OF A MOTOR VEHICLE HEADLAMP

#24

20130162168

2013-06-27

Timer-based switching circuit synchronization in an electrical dimmer

#25

20130127368

2013-05-23

Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus

#26

20130120717

2013-05-16

Discharge lamp lighting apparatus and projector

#27

20130082597

2013-04-04

Electrical module and method for illuminating a high intensity discharge (HID) lamp on a vehicle

#28

20120286689

2012-11-15

Dimmable screw-in compact fluorescent lamp having integral electronic ballast circuit

#29

20120237409

2012-09-20

Optical reactor and driving circuit for optical reactor

#30

20120176585

2012-07-12

Discharge lamp driving device, projector, and method for driving a discharge lamp

#31

20120081020

2012-04-05

Apparatus and method for driving fluorescent lamp

#32

20120062124

2012-03-15

Lighting device with optical pulsation suppression by polyphase-driven electric energy

#33

20110234112

2011-09-29

Lamp driving circuit

#34

20110187278

2011-08-04

LIGHTING CONTROL METHOD

#35

20110187273

2011-08-04

Lighting control system for a plurality of luminaires

#36

20110140604

2011-06-16

Hand held, high power UV lamp

#37

20100327762

2010-12-30

Lighting device with optical pulsation suppression by polyphase-driven electric energy

#38

20100141634

2010-06-10

Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus

#39

20090189535

2009-07-30

Transformer wiring method and apparatus for fluorescent lighting

#40

20090160370

2009-06-25

Alternating current light emitting device

#41

20090058316

2009-03-05

Magnetic ballast

#42

20080079369

2008-04-03

Flicker preventing apparatus of fluorescent lamp

#43

20070120422

2007-05-31

Method and apparatus for providing power in an electrical system

#44

20060164022

2006-07-27

Illumination system having cold cathode started, illumination controlled gas discharge lamps in series

#45

15896082

2018-12-11

Electrical ballast and driving method thereof