ClassID:

233257

H05B41/2806 - CPC Classification

Classification description:

Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps

Sub-classes:
Recent Application in this class:
#1
20230292413
2023-09-14

UP AND DOWN CONVERSION SYSTEMS FOR PRODUCTION OF EMITTED LIGHT FROM VARIOUS ENERGY SOURCES INCLUDING RADIO FREQUENCY, MICROWAVE ENERGY AND MAGNETIC INDUCTION SOURCES FOR UPCONVERSION

#2
20230119015
2023-04-20

Hybrid power supply systems, methods, and devices for excimer lamps

#3
20230118585
2023-04-20

Hybrid power supply systems, methods, and devices for excimer lamps

#4
20230035285
2023-02-02

Emergency output circuit for starting LED lamp tubes with leakage protection

#5
20200090922
2020-03-19

FAST START DIMMABLE RF INDUCTION LAMP

#6
20190206670
2019-07-04

Burst-mode for low power operation of RF fluorescent lamps

#7
20190096656
2019-03-28

Electrodeless lamp system and methods of operation

#8
20180317307
2018-11-01

Up and down conversion systems for production of emitted light from various energy sources including radio frequency, microwave energy and magnetic induction sources for upconversion

#9
20170358441
2017-12-14

Fast start fluorescent light bulb

#10
20170181257
2017-06-22

Common mode noise suppression of switchmode power converters by capacitive shield with damping network

#11
20170094759
2017-03-30

Electrodeless fluorescent ballast driving circuit and resonance circuit with added filtration and protection

#12
20170047190
2017-02-16

Microwave powered lamp with optimized cooling for different bulb chemistries

#13
20150283392
2015-10-08

Up and down conversion systems for production of emitted light from various energy sources including radio frequency, microwave energy and magnetic induction sources for upconversion

#14
20150214023
2015-07-30

Microwave plasma discharge lighting system with adjustable color temperature

#15
20140368109
2014-12-18

Induction RF fluorescent lamp with processor-based external dimmer load control

#16
20140145620
2014-05-29

Fast start induction RF fluorescent light bulb

#17
20140145619
2014-05-29

Induction RF fluorescent lamp with load control for external dimming device

#18
20140145617
2014-05-29

Dimmable induction RF fluorescent lamp with reduced electromagnetic interference

#19
20140145614
2014-05-29

Electronic ballast having improved power factor and total harmonic distortion

#20
20140145599
2014-05-29

Fast start RF induction lamp

#21
20140145596
2014-05-29

High frequency induction lighting

#22
20140145595
2014-05-29

Fast start induction RF fluorescent lamp with burst-mode dimming

#23
20140145593
2014-05-29

Fast start RF induction lamp with metallic structure

#24
20140049159
2014-02-20

Multiple strike ballast with lamp protection for electrodeless lamp

#25
20130175921
2013-07-11

Electrodeless lamps with externally-grounded probes and improved bulb assemblies

#26
20130134880
2013-05-30

Lighting apparatus

#27
20130127355
2013-05-23

Starting circuit for buck converter

#28
20130093322
2013-04-18

Ultraviolet lamp system and method for controlling emitted ultraviolet light

#29
20130063032
2013-03-14

INDUCTION LAMP CONNECTED LIGHT NODE

#30
20120326609
2012-12-27

Multiple lamp lighting level ballast for series connected lamps

#31
20120313538
2012-12-13

DIMMING BALLAST FOR ELECTRODELESS LAMP

#32
20120274229
2012-11-01

Multiple strike ballast for electrodeless lamp

#33
20120249010
2012-10-04

ELECTRODELESS PLASMA LAMP WITH VARIABLE VOLTAGE POWER SUPPLY

#34
20120194816
2012-08-02

Quality assurance of a solid-state illumination source

#35
20120194070
2012-08-02

OPERATING AN ELECTRODELESS DISCHARGE LAMP

#36
20120187840
2012-07-26

Tuning a dielectric barrier discharge cleaning system

#37
20120161629
2012-06-28

Plasma lighting system

#38
20120146510
2012-06-14

Pulsed discharge extreme ultraviolet source with magnetic shield

#39
20120119648
2012-05-17

Light source

#40
20120106214
2012-05-03

CIRCUIT FOR CONVERTING DC INTO AC PULSED VOLTAGE

#41
20120104960
2012-05-03

CIRCUIT FOR CONVERTING DC INTO AC PULSED VOLTAGE

#42
20120086352
2012-04-12

External resonator electrode-less plasma lamp and method of exciting with radio-frequency energy

#43
20120086334
2012-04-12

Plasma lamp with lumped components

#44
20120074855
2012-03-29

Power splitter circuit for electrodeless lamp

#45
20110298354
2011-12-08

PLASMA LAMP WITH SMALL POWER COUPLING SURFACE

#46
20110285306
2011-11-24

External resonator electrode-less plasma lamp and method of exciting with radio-frequency energy

#47
20110227501
2011-09-22

Ultraviolet light irradiation device

#48
20110205746
2011-08-25

Method and system for converting a sodium street lamp to an efficient white light source

#49
20110204791
2011-08-25

Electrodeless plasma lamp array

#50
20110140603
2011-06-16

Starter for electrodeless discharge lamp

#51
20110117202
2011-05-19

Up and down conversion systems for production of emitted light from various energy sources including radio frequency, microwave energy and magnetic induction sources for upconversion

#52
20110037404
2011-02-17

Discharge lamp using spread spectrum

#53
20110037389
2011-02-17

Electrodeless lamps with externally-grounded probes and improved bulb assemblies

#54
20110006683
2011-01-13

Electrodeless lighting system and control method thereof

#55
20100320907
2010-12-23

Light source device and projector including light source device

#56
20100320906
2010-12-23

Electrodeless lamps with grounded coupling elements

#57
20100295463
2010-11-25

Magnetic Energy Lamps with Built-in Magentic Energy Generator

#58
20100283399
2010-11-11

Symmetrical RF power supply for inductively coupled electrodeless lamps

#59
20100277090
2010-11-04

Triangular-wave generating circuit, and inverter, light emitting device and liquid crystal television using the circuit

#60
20100253237
2010-10-07

OPTIMIZED APPLICATOR STRUCTURES FOR HOMOGENEOUS DISTRIBUTION OF ELECTRO-MAGNETIC FIELDS IN GAS DISCHARGE LAMPS

#61
20100231134
2010-09-16

Electric-discharge lamp lighting device and lighting fixture

#62
20100214542
2010-08-26

Light source device having a power supply antenna disposed at one focal point of an elliptical resonator, and projector

#63
20100194305
2010-08-05

Electronic ballast for discharge lamp

#64
20100194280
2010-08-05

Plasma supply device

#65
20100171428
2010-07-08

Driving switches of a plasma load power supply

#66
20100171427
2010-07-08

Protecting high-frequency amplifers

#67
20100170640
2010-07-08

Determining high frequency operating parameters in a plasma system

#68
20100156310
2010-06-24

LOW FREQUENCY ELECTRODELESS PLASMA LAMP

#69
20100156301
2010-06-24

Electrodeless plasma lamp and drive circuit

#70
20100141168
2010-06-10

Class-E amplifier and lighting ballast using the amplifier

#71
20100134008
2010-06-03

Electrodeless lamps with grounded coupling elements and improved bulb assemblies

#72
20100123407
2010-05-20

Light collection system for an electrodeless RF plasma lamp

#73
20100097005
2010-04-22

Circuit arrangement and method for operating a discharge lamp

#74
20100079079
2010-04-01

Induction lamp and fixture

#75
20100072910
2010-03-25

External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy

#76
20100026200
2010-02-04

ELECTRODELESS DISCHARGE LAMP AND LIGHTING APPARATUS USING THE SAME

#77
20100019685
2010-01-28

DIELECTRIC BARRIER DISCHARGE LAMP LIGHTING APPARATUS

#78
20090322240
2009-12-31

Electrodeless lamps with externally-grounded probes and improved bulb assemblies

#79
20090322239
2009-12-31

Induction lamp lighting device and illumination apparatus

#80
20090295299
2009-12-03

Switch-off time regulation system for an inverter for driving a lamp

#81
20090289563
2009-11-26

Circuit Arrangement and Method for Operating At Least One Dielectric Barrier Discharge Lamp

#82
20090278467
2009-11-12

Dimmable electronic ballast for electrodeless discharge lamp and luminaire

#83
20090273294
2009-11-05

Flat discharge lamp and production method thereof

#84
20090262278
2009-10-22

EXTERNAL ELECTRODE LAMP, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY

#85
20090179577
2009-07-16

Wireless display panel having light status indicators

#86
20090174339
2009-07-09

High-efficiency single-ended forward-flyback electronic driver for barrier discharge lamps

#87
20090167201
2009-07-02

LIGHT SOURCE AND METHODS FOR MICROSCOPY AND ENDOSCOPY

#88
20090167178
2009-07-02

Illuminating Device Comprising Flat Discharge Lamp

#89
20090160357
2009-06-25

Inverter using PWM method

#90
20090160340
2009-06-25

Dielectric barrier discharge lamp lighting device

#91
20090146587
2009-06-11

Completely Sealed High Efficiency Microwave Sulfur Lamp

#92
20090134805
2009-05-28

Electrodeless discharge lamp device and lighting fixture using the same

#93
20090121646
2009-05-14

Electrodeless Discharge Lamp Illuminator

#94
20090115934
2009-05-07

Liquid crystal display

#95
20090103007
2009-04-23

DIELECTRIC BARRIER DISCHARGE LAMP, BACKLIGHT DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE

#96
20090079348
2009-03-26

DISCHARGE LAMP LIGHTING APPARATUS AND DISCHARGE LAMP LIGHTING CONTROL METHOD

#97
20090066265
2009-03-12

Inverter

#98
20090066257
2009-03-12

Dielectric barrier discharge lamp lighting apparatus and method of detecting the number of normally lighting dielectric barrier discharge lamps

#99
20090058308
2009-03-05

APPARATUS AND METHOD FOR LIGHTING DIELECTRIC BARRIER DISCHARGE LAMP

#100
20090033240
2009-02-05

Electrodeless lamp and core having indented coil winding section for use with tubular lamp envelope

#101
20090027937
2009-01-29

Isolating a control signal source in a high frequency power supply

#102
20090027936
2009-01-29

RF power supply

#103
20090026968
2009-01-29

Plasma supply device

#104
20090026964
2009-01-29

High frequency power supply

#105
20090026181
2009-01-29

Radio frequency power supply

#106
20090001901
2009-01-01

Ultraviolet lamp system and method for controlling emitted UV light

#107
20080303448
2008-12-11

Dielectric barrier discharge lamp system and driving method thereof having relatively better performance in startup and re-startup of dimming

#108
20080258648
2008-10-23

Adaptive drive for dielectric barrier discharge (DBD) lamp

#109
20080252225
2008-10-16

Dielectric barrier discharge lamp lighting device

#110
20080224628
2008-09-18

Apparatus and method for driving a light source, and display apparatus using the same

#111
20080157693
2008-07-03

Electrodeless discharge lamp lighting device and lighting apparatus

#112
20080151586
2008-06-26

Control circuit for converters

#113
20080093996
2008-04-24

Multi-pulse ignition circuit for a gas discharge lamp

#114
20080074582
2008-03-27

LIQUID CRYSTAL DISPLAY DEVICE

#115
20080030145
2008-02-07

High-Frequency and High-Voltage Supply Unit with Retroactive Control

#116
20080007185
2008-01-10

Light system with dielectric barrier discharge lamp, operating device and connection cable

#117
20070252532
2007-11-01

Plasma lamp with stable feedback amplification and method therefor

#118
20070228992
2007-10-04

Lamp lighting apparatus

#119
20070211991
2007-09-13

Plasma lamp with small power coupling surface

#120
20070211990
2007-09-13

Plasma lamp with phase control

#121
20070205727
2007-09-06

Plasma-generation power-supply device

#122
20070200509
2007-08-30

Method for prolonging life span of planar light source generating apparatus

#123
20070176566
2007-08-02

Inverter with dimming function

#124
20070138976
2007-06-21

Dielectric barrier discharge lamp drive circuit

#125
20070132399
2007-06-14

Electrodeless discharge lamp lighting device and luminaire

#126
20070115088
2007-05-24

Discharge lamp lighting apparatus

#127
20070103649
2007-05-10

Light source device and projector including light source device

#128
20070103645
2007-05-10

Projector

#129
20070103091
2007-05-10

External electronic control type electrodeless lamp

#130
20070097288
2007-05-03

Apparatus and method for driving a lamp of a liquid crystal display device

#131
20070096657
2007-05-03

PLASMA LIGHTING SYSTEM AND DRIVING CONTROL METHOD THEREOF

#132
20070085491
2007-04-19

Discharge lamp lighting apparatus

#133
20070085490
2007-04-19

Middle output electrodeless lighting system

#134
20070075652
2007-04-05

External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy

#135
20070075651
2007-04-05

Plasma lighting system having thin metallic film resonator

#136
20070075053
2007-04-05

Inductively-driven plasma light source

#137
20070018590
2007-01-25

Circuit arrangement having a converter without a transformer but with an inductor for the pulsed operation of dielectric barrier discharge lamps

#138
20070007906
2007-01-11

Rare gas fluorescent lamp apparatus

#139
20070007899
2007-01-11

Electric power supply for at least two electrodes

#140
20060290294
2006-12-28

Dimmable ballast for an electrodeless discharge lamp

#141
20060284565
2006-12-21

Cold cathode fluorescent lamp, cold cathode fluorescent lamp driving apparatus, cold cathode fluorescent lamp apparatus, liquid crystal display apparatus, control method for cold cathode fluorescent lamp, and control method for liquid crystal display apparatus

#142
20060268192
2006-11-30

Liquid crystal display

#143
20060255743
2006-11-16

Plasma lighting system and control method thereof

#144
20060226791
2006-10-12

Method of adopting square voltage waveform for driving flat lamps

#145
20060119283
2006-06-08

External electrode fluorescent lamp, backlight unit using the external electrode fluorescent lamp, LCD backlight equipment using the backlight unit and driving device thereof

#146
20060097657
2006-05-11

Excimer lamp apparatus

#147
20060087252
2006-04-27

Discharge lamp lighting device

#148
20060082318
2006-04-20

Electron-emitting apparatus

#149
20060077659
2006-04-13

Liquid crystal display

#150
20060076903
2006-04-13

Converter circuit having class E converter modules

#151
20050285548
2005-12-29

Method and apparatus for driving an external electrode fluorescent lamp

#152
20050116661
2005-06-02

Discharge lamp apparatus

#153
20050093478
2005-05-05

Lighting device for a dielectric barrier discharge lamp

#154
20050057190
2005-03-17

Light modulating apparatus for excimer discharge lamp

#155
20050035722
2005-02-17

Electronic ballast for a lamp to be operated with iterative voltage pulses

#156
20050035719
2005-02-17

Electronic ballast for a lamp to be operated using iterative voltage pulses

#157
20050017656
2005-01-27

Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device