ClassID:

201704

H01F27/326 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Coils; Windings; Conductive connections; Insulating of coils, windings, or parts thereof; Insulation between coil and core, between different winding sections, around the coil; Other insulation structures specifically adapted for discharge lamp ballasts

Recent Application in this class:
#1
20200211765
2020-07-02

Planar transformer and DC-DC converter

#2
20130154787
2013-06-20

Coil device

#3
20120038447
2012-02-16

Transformer including high voltage pole and electrical connection to load

#4
20110260818
2011-10-27

SLIM TYPE HIGH VOLTAGE TRANSFORMER

#5
20110260817
2011-10-27

Slim type high voltage transformer

#6
20110204812
2011-08-25

Transformer and liquid crystal display apparatus having the same

#7
20110037553
2011-02-17

High voltage transformer with space-saving primary windings

#8
20110006869
2011-01-13

Inverter transformer

#9
20100253458
2010-10-07

Transformer having leakage inductance

#10
20100245009
2010-09-30

Transformer

#11
20100214053
2010-08-26

Composite transformer

#12
20100194306
2010-08-05

Transformer and power supply apparatus using the same

#13
20100134230
2010-06-03

TRANSFORMER WITH HIGH LEAKAGE INDUCTANCE

#14
20100134036
2010-06-03

TRANSFORMER AND BACKLIGHT APPARATUS

#15
20100109569
2010-05-06

TRANSFORMER WITH ADJUSTABLE LEAKAGE INDUCTANCE AND DRIVING DEVICE USING THE SAME

#16
20100102914
2010-04-29

Transformer with separated bobbin

#17
20100013590
2010-01-21

Circuit carrier and transformer assembly

#18
20090315464
2009-12-24

TRANSFORMER AND BACKLIGHT APPARATUS

#19
20090284337
2009-11-19

Choke transformer used in liquid crystal display backlight driver

#20
20090273430
2009-11-05

Dual core transformer and backlight driving unit for liquid crystal display device including the same

#21
20090261934
2009-10-22

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

#22
20090230869
2009-09-17

Transformer

#23
20090212895
2009-08-27

Swinging Choke For Light Applications

#24
20090146577
2009-06-11

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

#25
20090108979
2009-04-30

Transformer for power supply

#26
20090108976
2009-04-30

TRANSFORMER BOBBIN WITH ISOLATION WIND

#27
20090009279
2009-01-08

High-voltage generating transformer for discharge lamp lighting apparatus

#28
20080315981
2008-12-25

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

#29
20080291353
2008-11-27

Transformer for Inverter

#30
20080284340
2008-11-20

Light weight automotive HID igniter

#31
20080169769
2008-07-17

MULTI-LAMPS DRIVING DEVICE AND TRANSFORMER THEREOF

#32
20080143277
2008-06-19

Transformer, backlight apparatus, and display apparatus

#33
20080116822
2008-05-22

High voltage transformer for backlight power source

#34
20080079526
2008-04-03

LIGHT TUBE DRIVING CIRCUIT AND TRANSFORMER THEREOF

#35
20080068118
2008-03-20

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

#36
20080024261
2008-01-31

High Voltage Transformer

#37
20080012676
2008-01-17

Inverter Transformer

#38
20070296535
2007-12-27

Inverter transformer and discharge tube drive circuit using the same

#39
20070290781
2007-12-20

Coil frame capable of connecting with another coil frame

#40
20070285203
2007-12-13

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

#41
20070273466
2007-11-29

Transformer structure

#42
20070268103
2007-11-22

Balance transformer

#43
20070262843
2007-11-15

Structure for high voltage bearable transformers

#44
20070262842
2007-11-15

Transformer having a closed magnetic flux path

#45
20070257760
2007-11-08

Leakage transformer

#46
20070247267
2007-10-25

Inverter transformer

#47
20070241853
2007-10-18

Transformer

#48
20070216511
2007-09-20

Transformer and core set thereof

#49
20070216508
2007-09-20

TRANSFORMER WITH ADJUSTABLE LEAKAGE INDUCTANCE AND DRIVING DEVICE USING THE SAME

#50
20070152599
2007-07-05

Power transformer combined with balance windings and application circuits thereof

#51
20070139152
2007-06-21

Balanced transformer having an auxiliary coil

#52
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

#53
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

#54
20070075821
2007-04-05

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

#55
20070035374
2007-02-15

Transformer

#56
20070035257
2007-02-15

Balance coil and inverter for driving backlight

#57
20070030109
2007-02-08

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

#58
20070018769
2007-01-25

Transformer bobbin for preventing excitation peak voltage insulation damage

#59
20060255900
2006-11-16

Transformers

#60
20060209582
2006-09-21

Switching power supply unit

#61
20060181384
2006-08-17

Light tube driving circuit and transformer thereof

#62
20060125591
2006-06-15

[HIGH VOLTAGE TRANSFORMER]

#63
20060023834
2006-02-02

High voltage transformer for backlight power source

#64
20060012558
2006-01-19

Choke transformer used in liquid crystal display backlight driver

#65
20050280492
2005-12-22

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

#66
20050219029
2005-10-06

Transformer

#67
20050156701
2005-07-21

Electrical reactor assembly having center taps

#68
20050017658
2005-01-27

Transformer and lamp system utilizing the same