H05B41/42 - CPC Classification Index

ClassID:

233297 ⎘

H05B41/42 - CPC Classification

Classification description:

Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements; Controlling; Controlling the intensity of light discontinuously in two steps only

Recent Application in this class:

20140252970

2014-09-11

Dynamic step dimming interface

20140247583

2014-09-04

Solar panel device

20130293103

2013-11-07

High Efficiency 3-Way Halogen Lamp With Single Filament Microprocessor Driven Light Sources

20130107510

2013-05-02

Power generating lamp and illumination appliance

20120306402

2012-12-06

AC voltage reduction by means of a transformer

20120286682

2012-11-15

Bi-level lamp ballast

20120248983

2012-10-04

Multiple light level electronic power converter

20120206061

2012-08-16

Two light level control circuit

20120206059

2012-08-16

Two level lighting ballast

#10

20110227491

2011-09-22

Fluorescent lamp appliance, and lighting control apparatus of fluorescent lamp appliance

#11

20110193497

2011-08-11

CONTROL SYSTEMS

#12

20110193496

2011-08-11

CONTROL SYSTEMS

#13

20110156614

2011-06-30

CIRCUIT AND METHOD FOR DIMMING A LUMINOUS ELEMENT

#14

20100302821

2010-12-02

Operating resonant load circuit, dimming circuit and dimming method

#15

20100301754

2010-12-02

Electronic ballast control circuit

#16

20100194289

2010-08-05

Electronic apparatus

#17

20100117563

2010-05-13

Electronic Operating Device and Method for the Incremental Dimming of a Lighting Device

#18

20100102742

2010-04-29

Electronic ballast

#19

20100084986

2010-04-08

CIRCUIT ARRANGEMENT AND METHOD FOR PROGRESSIVELY DIMMING ONE OR MORE LIGHTING MEANS

#20

20090289562

2009-11-26

LIGHT-EMITTING APPARATUS AND DIMMING METHOD

#21

20080297061

2008-12-04

HID lighting control with transient voltage sensing and lamp restarting, and method of making and using

#22

20080273124

2008-11-06

Liquid crystal display apparatus and liquid crystal television

#23

20080272709

2008-11-06

Three-way dimming ballast circuit

#24

20080100757

2008-05-01

Liquid crystal television receiver and liquid crystal display device

#25

20080048584

2008-02-28

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

#26

20070224905

2007-09-27

Voltage control load center, modular voltage control transformer circuit, and method of making and using

#27

20060273664

2006-12-07

Self-contained, self-snubbed, HID dimming module that exhibits non-zero crossing detection switching

#28

20060267516

2006-11-30

Two light level ballast

#29

20060197471

2006-09-07

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

#30

20060181222

2006-08-17

Bistate HID operation

#31

20060125416

2006-06-15

Two light level ballast

#32

20060091818

2006-05-04

Electronic ballast with load shed circuit

#33

20060087790

2006-04-27

Protective device for vehicle electronic apparatus

#34

20060066259

2006-03-30

Self-contained, self-snubbed, HID dimming module that exhibits non-zero crossing detection switching

#35

20060055248

2006-03-16

Apparatus and method for control of high intensity discharge lighting

#36

20050134196

2005-06-23

Fluorescent dimming system

#37

20050024027

2005-02-03

Voltage control system

#38

20050023997

2005-02-03

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level