ClassID:

201627

H01F2019/085 - CPC Classification

Classification description:

Fixed transformers or mutual inductances of the signal type; Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range; Transformers having magnetic bias, e.g. for handling pulses Transformer for galvanic isolation

Recent Application in this class:
#1
20250184187
2025-06-05

METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO COMMUNICATE MULTIPLE SIGNALS OVER AN ISOLATION CHANNEL

#2
20240153691
2024-05-09

Isolating transformer

#3
20240096538
2024-03-21

TRANSFORMER CHIP AND SIGNAL TRANSMISSION DEVICE

#4
20230299201
2023-09-21

INVERTED LEADS FOR PACKAGED ISOLATION DEVICES

#5
20230083839
2023-03-16

Electric field grading protection design surrounding a galvanic or capacitive isolator

#6
20230005660
2023-01-05

MAGNETICALLY IMMUNE GATEDRIVER CIRCUIT

#7
20220392684
2022-12-08

Insulation jacket for top coil of an isolated transformer

#8
20220102046
2022-03-31

Signal converter

#9
20210376735
2021-12-02

Galvanically isolated DC-DC circuit converter with data communication, corresponding system and corresponding method

#10
20210375542
2021-12-02

Electric field grading protection design surrounding a galvanic or capacitive isolator

#11
20210375525
2021-12-02

Packaged isolation barrier with integrated magnetics

#12
20210119670
2021-04-22

High frequency galvanic isolators

#13
20210065955
2021-03-04

Insulation jacket for top coil of an isolated transformer

#14
20200211754
2020-07-02

Galvanic isolation of integrated closed magnetic path transformer with BT laminate

#15
20200161980
2020-05-21

Galvanically isolated DC-DC circuit converter with data communication, corresponding system and corresponding method

#16
20200006562
2020-01-02

Inverted leads for packaged isolation devices

#17
20190362891
2019-11-28

Magnetic transformer having increased bandwidth for high speed data communications

#18
20190305775
2019-10-03

Galvanic isolation circuit and system and a corresponding method of operation

#19
20190237240
2019-08-01

Planar transformer having integrated ring core

#20
20190228896
2019-07-25

Isolating transformer

#21
20190222126
2019-07-18

Galvanically isolated DC-DC circuit converter with data communication, corresponding system and corresponding method

#22
20190199234
2019-06-27

Power conversion apparatus

#23
20190181764
2019-06-13

Isolated power transfer with integrated transformer and voltage control

#24
20190165743
2019-05-30

Two-stage electromagnetic induction transformer

#25
20190131055
2019-05-02

ISOLATION TRANSFORMER, A SWITCH DRIVING CIRCUIT AND A PULSE POWER SYSTEM

#26
20190109233
2019-04-11

Inverted leads for packaged isolation devices

#27
20190103217
2019-04-04

Magnetically immune gatedriver circuit

#28
20190103210
2019-04-04

Split transformer assembly

#29
20190096574
2019-03-28

High speed data transformer for patient isolation barrier

#30
20190089412
2019-03-21

Apparatus for communicating across an isolation barrier

#31
20180374632
2018-12-27

Pulse transformer

#32
20180174730
2018-06-21

Planar transformer for energy transfer

#33
20180158595
2018-06-07

Coil component

#34
20180062678
2018-03-01

Galvanic isolation circuit, corresponding system and method

#35
20170372834
2017-12-28

Transformer, and switching power supply and isolator including transformer

#36
20170323848
2017-11-09

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

#37
20170230047
2017-08-10

Signal generation device

#38
20170134007
2017-05-11

Integration of a replica circuit and a transformer above a dielectric substrate

#39
20160322161
2016-11-03

Method for manufacturing transformer apparatus

#40
20160155565
2016-06-02

Signal transfer device

#41
20160112015
2016-04-21

Two-stage electromagnetic induction transformer

#42
20160020012
2016-01-21

Coil component

#43
20150357113
2015-12-10

Printed circuit board having a layer structure

#44
20150194258
2015-07-09

Planar transmitter

#45
20150194253
2015-07-09

Device for delivering galvanic isolated digital video at high frequencies

#46
20150097645
2015-04-09

Transformer apparatus and method for manufacturing transformer apparatus

#47
20150096168
2015-04-09

Method of production of transformer module

#48
20150084731
2015-03-26

Pulse transformer

#49
20150048916
2015-02-19

Dielectric biasing circuit for transformers and inductors

#50
20150035380
2015-02-05

Systems and methods for power transfer based on resonance coupling of inductors

#51
20150032386
2015-01-29

Distributor module and measuring system formed therewith

#52
20150001948
2015-01-01

Die-to-die inductive communication devices and methods

#53
20140374890
2014-12-25

Semiconductor device and method for manufacturing the same

#54
20140266494
2014-09-18

Integration of a replica circuit and a transformer above a dielectric substrate

#55
20140184186
2014-07-03

Method for reducing interwinding capacitance current in an isolation transformer

#56
20140138792
2014-05-22

Hybrid transformer structure on semiconductor devices

#57
20140125386
2014-05-08

Gate driving circuit

#58
20140103736
2014-04-17

Signal transmission device and switching power supply

#59
20140098569
2014-04-10

Method and apparatus for digital isolation using planar magnetic circuits

#60
20130321094
2013-12-05

Isolator and isolator manufacturing method

#61
20120326773
2012-12-27

Systems and methods for power transfer based on resonance coupling of inductors

#62
20120092121
2012-04-19

BALANCED TRANSFORMER STRUCTURE

#63
20120080770
2012-04-05

Transformer Arrangement

#64
20120020419
2012-01-26

Semiconductor device

#65
20120002377
2012-01-05

GALVANIC ISOLATION TRANSFORMER

#66
20110279209
2011-11-17

High-impedance DC-isolating transmission line transformers

#67
20110208440
2011-08-25

DISTRIBUTOR MODULE AND MEASURING SYSTEM FORMED THEREWITH

#68
20110175642
2011-07-21

Signal isolators using micro-transformers

#69
20110095620
2011-04-28

Galvanic isolators and coil transducers

#70
20110075449
2011-03-31

Compact power transformer components, devices, systems and methods

#71
20100321961
2010-12-23

Insulation transformer and key input circuit having the same

#72
20100259909
2010-10-14

Widebody coil isolators

#73
20100239030
2010-09-23

Method and apparatus for detection of load impedance modulation in a transformer circuit

#74
20100214052
2010-08-26

Communications transformer

#75
20100188182
2010-07-29

Narrowbody coil isolator

#76
20100176660
2010-07-15

Galvanic isolator

#77
20100141234
2010-06-10

Transformer with high voltage isolation

#78
20100134139
2010-06-03

Signal isolators using micro-transformers

#79
20100109827
2010-05-06

Surface mount pulse transformer and method and apparatus for manufacturing the same

#80
20100052630
2010-03-04

High frequency power converter based on transformers

#81
20100052120
2010-03-04

Semiconductor device having a suspended isolating interconnect

#82
20100020448
2010-01-28

Galvanic isolator

#83
20090251009
2009-10-08

Drive isolation transformer controller and method

#84
20090243783
2009-10-01

Methods of making coil transducers

#85
20090243782
2009-10-01

High voltage hold-off coil transducer

#86
20090195085
2009-08-06

ALTERNATING CURRENT POWER SOURCE

#87
20090195082
2009-08-06

Solid state relay

#88
20090174516
2009-07-09

System for isolating a medium voltage

#89
20090034305
2009-02-05

Power conversion device and power conversion system

#90
20080266043
2008-10-30

Planar transformer arrangement

#91
20080246575
2008-10-09

Transformer

#92
20080198904
2008-08-21

Multi-channel galvanic isolator utilizing a single transmission channel

#93
20080197961
2008-08-21

Method and apparatus for directly mounting fuses to transformer terminals

#94
20080180206
2008-07-31

Coil transducer with reduced arcing and improved high voltage breakdown performance characteristics

#95
20080179963
2008-07-31

Galvanic isolators and coil transducers

#96
20080169834
2008-07-17

Signal isolators using micro-transformers

#97
20080094046
2008-04-24

Power and information signal transfer using micro-transformers

#98
20080069249
2008-03-20

Transfer of digital data through a transformer

#99
20080061631
2008-03-13

Galvanic isolator

#100
20080030080
2008-02-07

Chip-scale coils and isolators based thereon

#101
20080013350
2008-01-17

Planar transformer power supply

#102
20070297201
2007-12-27

Magnetic interface circuit

#103
20070224851
2007-09-27

Electromagnetic interference containment in a transceiver module

#104
20070218595
2007-09-20

Power electronics equipments

#105
20070188317
2007-08-16

Local access port communications using near field induction

#106
20070120636
2007-05-31

Magnetic coupling device for contactless energy transmission systems

#107
20070052514
2007-03-08

Power and information signal transfer using micro-transformers

#108
20070052399
2007-03-08

Power and information signal transfer using micro-transformers

#109
20070040645
2007-02-22

Transformer And Method Of Winding Same

#110
20070024575
2007-02-01

Inductive rotating transmitter

#111
20070014373
2007-01-18

Method and apparatus for cancellation of magnetizing inductance current in a transformer circuit

#112
20070014371
2007-01-18

Method and apparatus for detection of load impedance modulation in a transformer circuit

#113
20060276155
2006-12-07

Signal transmission arrangement having a transformer and a receiver circuit

#114
20060250155
2006-11-09

Signal isolators using micro-transformers

#115
20060152911
2006-07-13

Integrated packaged having magnetic components

#116
20060148106
2006-07-06

On-chip signal transformer for ground noise isolation

#117
20060121801
2006-06-08

High speed wired media connector with symmetric PCB interface

#118
20060109072
2006-05-25

Planar transformer arrangement

#119
20060039169
2006-02-23

Power and information signal transfer using micro-transformers

#120
20050166625
2005-08-04

Refrigerating apparatus and refrigerator

#121
20050068792
2005-03-31

Switching power supply circuit

#122
20050057277
2005-03-17

Signal isolators using micro-transformers