ClassID:

201762

H01F38/10 - CPC Classification

Classification description:

Adaptations of transformers or inductances for specific applications or functions; High-leakage transformers or inductances Ballasts, e.g. for discharge lamps

Recent Application in this class:
#1
20240349417
2024-10-17

WAVEFORM DETECTION OF STATES AND FAULTS IN PLASMA INVERTERS

#2
20230363078
2023-11-09

Waveform detection of states and faults in plasma inverters

#3
20230354500
2023-11-02

Asymmetrical ballast transformer

#4
20230030685
2023-02-02

Lamp comprising multiple component designs and constructions

#5
20210274630
2021-09-02

Waveform detection of states and faults in plasma inverters

#6
20210274629
2021-09-02

Asymmetrical ballast transformer

#7
20210090874
2021-03-25

Lamp comprising multiple component designs and constructions

#8
20210051790
2021-02-18

Asymmetrical ballast transformer

#9
20190261475
2019-08-22

METHOD OF USING A HIGH REACTANCE, INDUCTOR TRANSFORMER TO PASSIVELY REDUCE FLICKERING, CORRECT POWER FACTOR, CONTROL LED CURRENT, AND ELIMINATE RADIO FREQUENCY INTERFERENCE (RFI) FOR A CURRENT-DRIVEN LED LIGHTING ARRAY INTENDED FOR USE IN STREETLIGHT MESH NETWORKS

#10
20190051510
2019-02-14

Lamp comprising multiple component designs and constructions

#11
20180254143
2018-09-06

Resonant transformer with adjustable leakage inductance

#12
20170167704
2017-06-15

Device and method for retrofitting or converting or adapting series circuits

#13
20170092466
2017-03-30

Inductively coupled coil and inductively coupled plasma device using the same

#14
20160020651
2016-01-21

Wireless transmission of energy through concentric laser-induced plasma channels in atmosphere

#15
20140167904
2014-06-19

Device and method for retrofitting or converting or adapting series circuits

#16
20140159852
2014-06-12

Transformer

#17
20140002230
2014-01-02

POWER TRANSFORMER

#18
20130106300
2013-05-02

Passive LC ballast and method of manufacturing a passive LC ballast

#19
20120187904
2012-07-26

Non-contact charging module and reception-side and transmission-side non-contact charging apparatuses using the same

#20
20120182115
2012-07-19

BUILDING-BLOCK-COMBINED-TYPE HIGH POWER TRANSFORMER

#21
20120120974
2012-05-17

6 KHz and above gas discharge laser system

#22
20110266891
2011-11-03

Wireless transmission of energy through concentric laser-induced plasma channels in atmosphere

#23
20110101865
2011-05-05

Multi-lamp driving system

#24
20110084792
2011-04-14

SIP (Symmetrical-in-Parallel) Induction Coils for Electromagnetic Devices

#25
20110037553
2011-02-17

High voltage transformer with space-saving primary windings

#26
20110018666
2011-01-27

Multiple coils fluorescent lamp ballast

#27
20110006869
2011-01-13

Inverter transformer

#28
20100321141
2010-12-23

TRANSFORMER

#29
20100301982
2010-12-02

HIGH FREQUENCY TRANSFORMER AND MULTI-OUTPUT CONSTANT CURRENT SOURCE WITH HIGH FREQUENCY TRANSFORMER

#30
20100253458
2010-10-07

Transformer having leakage inductance

#31
20100225432
2010-09-09

TRANSFORMER ASSEMBLY

#32
20100214053
2010-08-26

Composite transformer

#33
20100194306
2010-08-05

Transformer and power supply apparatus using the same

#34
20100164674
2010-07-01

COMBINED TRANSFORMER AND MULTI-LAMP DRIVING CIRCUIT

#35
20100141145
2010-06-10

BASE FOR A HIGH-PRESSURE DISCHARGE LAMP, AND HIGH-PRESSURE DISCHARGE LAMP.

#36
20100134230
2010-06-03

TRANSFORMER WITH HIGH LEAKAGE INDUCTANCE

#37
20100134044
2010-06-03

Ballast for multiple lamps and method of manufacturing the same

#38
20100118561
2010-05-13

Backlight apparatus and transformer thereof

#39
20100109831
2010-05-06

INDUCTION COIL WITHOUT A WELD

#40
20100109569
2010-05-06

TRANSFORMER WITH ADJUSTABLE LEAKAGE INDUCTANCE AND DRIVING DEVICE USING THE SAME

#41
20100103585
2010-04-29

Inductive and capacitive components integration structure

#42
20100102914
2010-04-29

Transformer with separated bobbin

#43
20090315464
2009-12-24

TRANSFORMER AND BACKLIGHT APPARATUS

#44
20090314434
2009-12-24

Inductively coupled coil and inductively coupled plasma device using the same

#45
20090302988
2009-12-10

Winding component

#46
20090295530
2009-12-03

Multi-chamber transformer

#47
20090284160
2009-11-19

CURRENT BALANCING CIRCUIT

#48
20090261934
2009-10-22

High voltage pulse type transformer with increased coupling coefficient through primary and secondary winding proximity

#49
20090256668
2009-10-15

Multilayer electronic component and electronic component module including the same

#50
20090231885
2009-09-17

Integrated transformer and power supply using the same

#51
20090230869
2009-09-17

Transformer

#52
20090219007
2009-09-03

Measurement apparatus, test apparatus, and measurement method

#53
20090212895
2009-08-27

Swinging Choke For Light Applications

#54
20090195173
2009-08-06

Discharge lamp operating system

#55
20090160350
2009-06-25

Balance transformer and backlight apparatus

#56
20090146577
2009-06-11

Transformer, illuminating apparatus using the same, and display apparatus using the same

#57
20090108979
2009-04-30

Transformer for power supply

#58
20090108977
2009-04-30

TRANSFORMER

#59
20090051298
2009-02-26

Multiple discharge lamp lighting device

#60
20090033242
2009-02-05

Coil component and display device using same

#61
20090009279
2009-01-08

High-voltage generating transformer for discharge lamp lighting apparatus

#62
20080315981
2008-12-25

High voltage transformer with high magnetic leakage and dual high voltage output

#63
20080297300
2008-12-04

High voltage transformer

#64
20080284340
2008-11-20

Light weight automotive HID igniter

#65
20080204180
2008-08-28

High voltage transformer and a novel arrangement/method for hid automotive headlamps

#66
20080191627
2008-08-14

High-voltage pulse generator, and lighting apparatus and vehicle having the same

#67
20080180207
2008-07-31

Inverter transformer and inverter power module having the same for use in electric/electronic device

#68
20080169769
2008-07-17

MULTI-LAMPS DRIVING DEVICE AND TRANSFORMER THEREOF

#69
20080169768
2008-07-17

Electronic ballast with PCB edge mounted output transformer/inductor

#70
20080150448
2008-06-26

Lamp base for a high-pressure discharge lamp and corresponding high-pressure discharge lamp

#71
20080143277
2008-06-19

Transformer, backlight apparatus, and display apparatus

#72
20080143276
2008-06-19

Transformer and multi-lamp driving circuit using the same

#73
20080136351
2008-06-12

BACK LIGHT UNIT AND TRANSFORMER

#74
20080129227
2008-06-05

Discharge tube lighting circuit and electronic apparatus provided with the discharge tube lighting circuit

#75
20080129218
2008-06-05

Multiple discharge lamp lighting apparatus

#76
20080116822
2008-05-22

High voltage transformer for backlight power source

#77
20080106363
2008-05-08

Wire-winding common mode choke

#78
20080093966
2008-04-24

Penetrable assembled magnetic energy generator as well as its magnetic light

#79
20080088403
2008-04-17

Inverter transformer

#80
20080076296
2008-03-27

TRANSFORMER WITH A CONNECTOR

#81
20080068118
2008-03-20

Method for adjusting mutual inductance and a transformer that implements the same

#82
20080048814
2008-02-28

High voltage transformer

#83
20080048495
2008-02-28

Transformer for balancing currents

#84
20080030283
2008-02-07

Circuit, Manufacturing Method And Inverter circuit For Discharge Tube

#85
20080024261
2008-01-31

High Voltage Transformer

#86
20080024260
2008-01-31

ANTI-INTERFERENCE TRANSFORMER

#87
20080012676
2008-01-17

Inverter Transformer

#88
20070296535
2007-12-27

Inverter transformer and discharge tube drive circuit using the same

#89
20070285203
2007-12-13

Transformer with high sustain voltage and driving device using the same for driving light source module

#90
20070273466
2007-11-29

Transformer structure

#91
20070268104
2007-11-22

High voltage transformer for controlling inductance leakage

#92
20070262843
2007-11-15

Structure for high voltage bearable transformers

#93
20070262842
2007-11-15

Transformer having a closed magnetic flux path

#94
20070257760
2007-11-08

Leakage transformer

#95
20070247270
2007-10-25

Transformer apparatus, inverter transformer, and drive circuit

#96
20070247267
2007-10-25

Inverter transformer

#97
20070241853
2007-10-18

Transformer

#98
20070236316
2007-10-11

Leakage transformer

#99
20070228987
2007-10-04

Discharge tube drive circuit

#100
20070216511
2007-09-20

Transformer and core set thereof

#101
20070216508
2007-09-20

TRANSFORMER WITH ADJUSTABLE LEAKAGE INDUCTANCE AND DRIVING DEVICE USING THE SAME

#102
20070171018
2007-07-26

Slim filter inductor for electronic ballast

#103
20070165151
2007-07-19

Liquid crystal display device including transformer

#104
20070159288
2007-07-12

Transformer structure

#105
20070159284
2007-07-12

Transformer having auxiliary winding coil for sensing magnetic flux balance and driving circuit using the same

#106
20070152599
2007-07-05

Power transformer combined with balance windings and application circuits thereof

#107
20070132535
2007-06-14

Electromagnetic device, high-voltage generating device, and method for making the electromagnetic device

#108
20070132406
2007-06-14

Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by two low-impedance power sources

#109
20070115088
2007-05-24

Discharge lamp lighting apparatus

#110
20070093165
2007-04-26

Cold-cathode tube lighting device for use in a plurality of cold-cathode tubes lit by one low-impedance power source

#111
20070075821
2007-04-05

Transformer of light tube driving device and method for adjusting light tube using thereof

#112
20070046414
2007-03-01

Inverse phase converter

#113
20070035375
2007-02-15

Structure of high voltage stabilizer

#114
20070035257
2007-02-15

Balance coil and inverter for driving backlight

#115
20070030109
2007-02-08

Wound-rotor type transformer and power source utilizing wound-rotor type transformer

#116
20060290453
2006-12-28

Transformer

#117
20060255900
2006-11-16

Transformers

#118
20060233214
2006-10-19

Hybrid electrode support bar

#119
20060227482
2006-10-12

Transformer and discharge lamp lighting device

#120
20060222034
2006-10-05

6 Khz and above gas discharge laser system

#121
20060209582
2006-09-21

Switching power supply unit

#122
20060132273
2006-06-22

Inverter trasformer

#123
20060125591
2006-06-15

[HIGH VOLTAGE TRANSFORMER]

#124
20060114092
2006-06-01

Wound-rotor transformer and power source device using said wound-rotor transformer

#125
20060055340
2006-03-16

Transformer and starting device having a transformer, and high pressure discharge lamp having a transformer

#126
20060012456
2006-01-19

Anti-interference transformer

#127
20050280492
2005-12-22

Wound-rotor type transformer and power source utilizing wound-rotor type transformer

#128
20050270133
2005-12-08

Transformer structure

#129
20050270132
2005-12-08

Modified transformer structure

#130
20050219030
2005-10-06

Leakage transformer

#131
20050212639
2005-09-29

Strain-relieving wire lead-in

#132
20050212638
2005-09-29

Lead-in for electronic bobbins

#133
20050212637
2005-09-29

Transformer and lamp driving system utilizing the same

#134
20050156701
2005-07-21

Electrical reactor assembly having center taps

#135
20050141253
2005-06-30

Output choke arrangement for inverter, and method in conjunction therewith

#136
20050134192
2005-06-23

Ignition system for a high-frequency high-intensity discharge lamp system

#137
20050104698
2005-05-19

Electromagnetic device, high-voltage generating device, and method for making the electromagnetic device

#138
20050068142
2005-03-31

Method of manufacturing a long rod shaped ignition transformer integrated in an igniter unit

#139
20050017658
2005-01-27

Transformer and lamp system utilizing the same

#140
20050007230
2005-01-13

Leakage transformer

#141
14336440
2016-10-25

Method to detect uneven AC load or parallel load removal