Patents-Review.com
ClassID:

201719 ⎘

H01F27/38 - CPC Classification

Classification description:

Details of transformers or inductances, in general; Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields Auxiliary core members; Auxiliary coils or windings

Sub-classes:
Recent Application in this class:
#1
20260121455
2026-04-30

Polyphase Wireless Power Transfer Systems, Coil Assemblies and Resonant Networks

 #2
20260088795
2026-03-26

FILTER INDUCTOR AND ON-BOARD-CHARGER

 #3
20260088794
2026-03-26

FILTER INDUCTOR AND ON-BOARD-CHARGER

 #4
20260066187
2026-03-05

MAGNETIC DEVICE AND POWER CONVERTER WITH SAME

 #5
20260066186
2026-03-05

MAGNETIC DEVICE AND POWER CONVERTER WITH SAME

 #6
20260031270
2026-01-29

MAGNETIC COMPONENT

 #7
20250391602
2025-12-25

MAGNETIC CORE STRUCTURE AND LEAKAGE INDUCTANCE CONTROL METHOD FOR MAGNETIC INTEGRATED HIGH-FREQUENCY TRANSFORMER

 #8
20250336597
2025-10-30

COIL COMPONENT

 #9
20250299874
2025-09-25

HIGH POWER HIGH CURRENT TRANSFORMER

 #10
20250292936
2025-09-18

MAGNETIC ELEMENT

 #11
20250279235
2025-09-04

MULTI-CHAMBER TRANSFORMER AND MOUNTING ASSEMBLY

 #12
20250266207
2025-08-21

ELECTRICAL ASSEMBLIES INCLUDING MAGNETIC DEVICES

 #13
20250253778
2025-08-07

MAGNETIC COMPONENT FOR THREE-PHASE LLC POWER CONVERSION CIRCUIT

 #14
20250253092
2025-08-07

INDUCTOR STRUCTURE AND FORMING METHOD THEREFOR

 #15
20250239893
2025-07-24

WIRELESS POWER TRANSFER TRANSMITTER, SYSTEM AND METHOD OF WIRELESSLY TRANSFERRING POWER

 #16
20250239397
2025-07-24

TRANSFORMER PACKAGES WITH MAGNETIC CORE SUSPENSION

 #17
20250055365
2025-02-13

MULTIPHASE BUCK CONVERTERS WITH INTEGRATED COUPLED INDUCTORS AND CONTROLLABLE COUPLING

 #18
20250029778
2025-01-23

POWER MODULE COMPONENT, MANUFACTURING METHOD THEREFOR AND APPLICATION THEREOF

 #19
20240420885
2024-12-19

TRANSFORMER HAVING A TERTIARY WINDING

 #20
20240393815
2024-11-28

ULTRA-THIN VOLTAGE REGULATOR MODULE WITH HIGH CURRENT DENSITY AND INDUCTOR ASSEMBLY

 #21
20240364214
2024-10-31

LOGICAL LINK CONTROL RESONANT CONVERTER AND ELECTRONIC DEVICE INCLUDING THE SAME

 #22
20240363283
2024-10-31

POWER MODULE AND POWER CIRCUIT

 #23
20240322668
2024-09-26

PLANAR TRANSFORMER WITH FLEXIBLE TURN RATIO AND LEAKAGE INDUCTANCE INTEGRATION

 #24
20240296988
2024-09-05

TRANSFORMER ASSEMBLY

 #25
20240258831
2024-08-01

Polyphase wireless power transfer systems, coil assemblies and resonant networks

 #26
20240170204
2024-05-23

MAGNETIC DEVICE AND LLC SERIES RESONANT CONVERTER HAVING THE SAME

 #27
20240128008
2024-04-18

TRANSFORMER OF AN ELECTRICAL SYSTEM FOR DC VOLTAGE CONVERSION AND FOR CHARGING OF BATTERIES OF A VEHICLE

 #28
20240112846
2024-04-04

DOUBLE CHOKE CONSTRUCTION FOR LIQUID COOLED POWER MODULE

 #29
20240047130
2024-02-08

TRANSFORMER

 #30
20240029939
2024-01-25

MAGNETIC APPARATUS, AND VOLTAGE CONVERTER INCLUDING THE SAME

 #31
20240013972
2024-01-11

INDUCTOR COMPONENT

 #32
20230421069
2023-12-28

Variable inverter/rectifier/transformer

 #33
20230396180
2023-12-07

INTEGRATED TRANSFORMERS FOR HIGH CURRENT CONVERTERS

 #34
20230395316
2023-12-07

CONTROL DEVICE FOR POWER CONVERSION DEVICE

 #35
20230386737
2023-11-30

COMPENSATION STRUCTURE FOR REDUCING CIRCULATING CURRENT IN WINDOW OF TRANSFORMER AND TRANSFORMER COMPRISING COMPENSATION STRUCTURE

 #36
20230361687
2023-11-09

INTEGRATED MAGNETIC COMPONENT FOR A BIDIRECTIONAL LLC RESONANT CONVERTER

 #37
20230352985
2023-11-02

WIRELESS POWER TRANSFER SYSTEM

 #38
20230290567
2023-09-14

VARIABLE-IMPEDANCE ELECTRIC TRANSFORMER

 #39
20230260694
2023-08-17

PLANAR TRANSFORMER, POWER CONVERSION CIRCUIT, AND ADAPTER

 #40
20230223788
2023-07-13

CONTACTLESS ELECTRICAL ENERGY TRANSFER DEVICE, FLYING VEHICLE PROVIDED WITH RECHARGEABLE BATTERIES AND ELECTRICAL RECHARGING BASE EQUIPPED WITH SAID ELECTRICAL ENERGY TRANSFER DEVICE

 #41
20230170136
2023-06-01

MAGNETIC ASSEMBLY, MANUFACTURING METHOD THEREOF, POWER MODULE AND SWITCHING POWER SUPPLY

 #42
20230162911
2023-05-25

Multi-coil inductor

 #43
20230162905
2023-05-25

PLANAR TRANSFORMER INCLUDING NOISE CANCELLATION FOR AUXILIARY WINDING

 #44
20230124585
2023-04-20

INDUCTOR AND ELECTRONIC DEVICE INCLUDING THE SAME

 #45
20230107225
2023-04-06

TRANSFORMER-BASED BALUN WITH CORRECTION FOR DIFFERENTIAL IMBALANCE

 #46
20230046765
2023-02-16

ELECTRIC TRANSFORMER WITH A DEFINITE IMPEDANCE BY MEANS OF A SECOND MAGNETIC CIRCUIT

 #47
20230025521
2023-01-26

PLANAR TRANSFORMERS WITH MULTIPLE MAGNETIC MATERIALS

 #48
20230005660
2023-01-05

MAGNETICALLY IMMUNE GATEDRIVER CIRCUIT

 #49
20220399824
2022-12-15

Power converter magnetic configurations

 #50
20220399823
2022-12-15

Flyback converters with improved magnetic configurations

 #51
20220393518
2022-12-08

Variable wireless power transfer system

 #52
20220384088
2022-12-01

Coupled Inductor and the Method to Make the Same

 #53
20220367110
2022-11-17

Inductive transmission element with diagonal side walls

 #54
20220293334
2022-09-15

MAGNETIC DEVICE AND POWER CONVERTER WITH SAME

 #55
20220230791
2022-07-21

MAGNETIC ELEMENT

 #56
20220223336
2022-07-14

INTEGRATED QUAD-CORE TRANSFORMER WITH ASYMMETRIC GAP DISTRIBUTION FOR MAGNETIC FLUX BALANCING

 #57
20220223333
2022-07-14

PLANAR TRANSFORMER, POWER CONVERTER AND CIRCUIT BOARD

 #58
20220208440
2022-06-30

Power module and power circuit

 #59
20220181986
2022-06-09

Transformer and bidirectional isolated resonant converter

 #60
20220158562
2022-05-19

Integrated inductor and a power conversion module including the integrated inductor

 #61
20220157516
2022-05-19

Magnetic integrated device, power conversion circuit, charger, and electric vehicle

 #62
20220115180
2022-04-14

Transformer with integral inductor

 #63
20220102068
2022-03-31

ARC SUPPRESSION COIL AND METHOD FOR GROUNDING

 #64
20220102057
2022-03-31

PLANAR TRANSFORMER, POWER CONVERSION CIRCUIT, AND ADAPTER

 #65
20220085652
2022-03-17

Polyphase wireless power transfer systems, coil assemblies and resonant networks

 #66
20220044868
2022-02-10

Wireless power transfer coupling structures with reduced leakage flux

 #67
20220028606
2022-01-27

SECONDARY COIL TOPOLOGY

 #68
20210408925
2021-12-30

Flux-corrected switching power converters

 #69
20210376809
2021-12-02

FILTER INDUCTOR AND ON-BOARD-CHARGER

 #70
20210366651
2021-11-25

Ignition coil

 #71
20210366647
2021-11-25

Shielded electrical transformer

 #72
20210287849
2021-09-16

Transformer and electric power converter

 #73
20210281122
2021-09-09

Wireless power transfer transmitter, system and method of wirelessly transferring power

 #74
20210272735
2021-09-02

Reactor

 #75
20210257157
2021-08-19

Coil device with predetermined gap arrangement

 #76
20210249175
2021-08-12

Automotive variable voltage converter with inductor having hidden air gap

 #77
20210221249
2021-07-22

Unitary vehicle on-board charger and generator

 #78
20210194290
2021-06-24

Modular and efficient wireless power transfer systems with a wired charging mode

 #79
20210193383
2021-06-24

Conductor arrangement, system and methods for an inductive power transfer

 #80
20210134523
2021-05-06

Transformers, power converters having tranformers, and methods of converting electrical power

 #81
20210123155
2021-04-29

Magnet coil for magnetic czochralski single crystal growth and magnetic czochralski single crystal growth method

 #82
20210110970
2021-04-15

Reactor and power supply circuit

 #83
20210099022
2021-04-01

Wireless Power System With Ambient Field Nulling

 #84
20210090795
2021-03-25

Low common mode noise transformer structure with external float wire mount

 #85
20210065969
2021-03-04

Transformer core and transformer

 #86
20210046832
2021-02-18

INDUCTIVE COUPLING GAP COMPENSATION

 #87
20210043372
2021-02-11

POT CORE TRANSFORMER WITH MAGNETIC SHUNT

 #88
20210036553
2021-02-04

Inductive Power Transfer

 #89
20210020358
2021-01-21

ELECTRICAL ASSEMBLIES INCLUDING COUPLERS FOR CANCELING MAGNETIC FLUX

 #90
20200411225
2020-12-31

Integrated magnetic elements

 #91
20200403499
2020-12-24

Power converter, inductor element and control method of phase shedding

 #92
20200389049
2020-12-10

ELECTRIC POWER CONTROL APPARATUS AND DRIVE UNIT

 #93
20200381174
2020-12-03

Method for producing electricity using inductive electromagnetic force of power generation coil

 #94
20200381166
2020-12-03

Magnetic coupling coil component

 #95
20200357571
2020-11-12

Low common mode noise transformer structure with external float wire mount

 #96
20200312541
2020-10-01

Multi-phase coupled inductor having compensation windings

 #97
20200312505
2020-10-01

Integrated magnetic device

 #98
20200294705
2020-09-17

IRON CORE INCLUDING FIRST IRON CORE BLOCK AND SECOND IRON CORE BLOCK

 #99
20200258680
2020-08-13

Integrated transformer with low AC losses and impedance balanced interface

 #100
20200243256
2020-07-30

Transformer arrangement, circuit arrangement and method for operating a transformer arrangement

 #101
20200243245
2020-07-30

Reactor and method for production of core body

 #102
20200219649
2020-07-09

Differential Coil, Solenoid Type, High Voltage Series Reactor

 #103
20200211766
2020-07-02

Inductor component

 #104
20200153354
2020-05-14

CONTROLLING VOLTAGE IN AC POWER LINES

 #105
20200152366
2020-05-14

Low EMI transformator and low EMI electric cable

 #106
20200052486
2020-02-13

Longitudinal voltage regulation at the line terminals of a phase shifting transformer

 #107
20200027642
2020-01-23

Magnetic component module

 #108
20200021144
2020-01-16

METHOD AND SYSTEM FOR REDUCING MAGNETIC FIELD EMISSIONS FROM DOUBLE-D COUPLERS

 #109
20200020479
2020-01-16

MODULE COMPONENT AND POWER SUPPLY CIRCUIT

 #110
20190355512
2019-11-21

Power generation necklaces with field shaping systems

 #111
20190341186
2019-11-07

System of termination of high power transformers for reduced AC termination loss at high frequency

 #112
20190305591
2019-10-03

Charging device that focuses flux by flowing current through spirals in opposing radial directions

 #113
20190295768
2019-09-26

MULTISTAGE STRUCTURE ELECTROMAGNETIC DEVICE

 #114
20190267852
2019-08-29

VARIABLE MAGNETIC MONOPOLE FIELD ELECTRO-MAGNET AND INDUCTOR

 #115
20190260233
2019-08-22

Magnetic coupler for wireless power transfer

 #116
20190252921
2019-08-15

Variable wireless power transfer system

 #117
20190237248
2019-08-01

Coil unit for inductively charging a vehicle

 #118
20190229633
2019-07-25

Variable inverter-rectifier-transformer

 #119
20190221345
2019-07-18

Release layer-assisted selective embedding of magnetic material in cored and coreless organic substrates

 #120
20190207411
2019-07-04

Wireless power transmitter and receiver

 #121
20190199144
2019-06-27

Wireless Power System With Ambient Field Nulling

 #122
20190198229
2019-06-27

Coupled inductor and the method to make the same

 #123
20190198218
2019-06-27

Electromagnetic device

 #124
20190180920
2019-06-13

Ground Protection Coil

 #125
20190172635
2019-06-06

Phase Shift Unit

 #126
20190172624
2019-06-06

Method for fabricating inductors with deposition-induced magnetically-anisotropic cores

 #127
20190156990
2019-05-23

Coil component

 #128
20190148061
2019-05-16

Synchronous rectification module

 #129
20190139699
2019-05-09

Differential-coil, solenoid type, high voltage series reactor

 #130
20190122812
2019-04-25

Power module and power circuit

 #131
20190115149
2019-04-18

Multi-coil inductor

 #132
20190115139
2019-04-18

Integrated magnetic elements

 #133
20190109373
2019-04-11

Coil assembly

 #134
20190103217
2019-04-04

Magnetically immune gatedriver circuit

 #135
20190100107
2019-04-04

Balanced coil for multi-filar windings

 #136
20190097461
2019-03-28

Single structure multi mode antenna for wireless power transmission incorporating a selection circuit

 #137
20190096572
2019-03-28

Coupled inductor structure

 #138
20190089197
2019-03-21

Modular and efficient wireless power transfer systems

 #139
20190058349
2019-02-21

Wireless power transmitting device and method

 #140
20190051448
2019-02-14

Inductor and inductor arrangement

 #141
20190043653
2019-02-07

Integrated magnetic assemblies and methods of assembling same

 #142
20190043652
2019-02-07

Network transformer module

 #143
20190043651
2019-02-07

Network transformer apparatus and methods of making and using the same

 #144
20190036347
2019-01-31

Coil unit, and power transmitting device, power receiving device and wireless power transmission system using the coil unit

 #145
20190027303
2019-01-24

Inductor structure and method for forming the same

 #146
20190019610
2019-01-17

Magnetic element and switching power supply using the same

 #147
20190013136
2019-01-10

Reactor and method for production of core body

 #148
20190008535
2019-01-10

Sound wave treatment device

 #149
20190006936
2019-01-03

Inductor assembly and power supply system using the same

 #150
20190006096
2019-01-03

Transformers with integrated inductors

 #151
20190006086
2019-01-03

Arrangement for compensating disturbance voltages induced in a transformer

 #152
20180374632
2018-12-27

Pulse transformer

 #153
20180366267
2018-12-20

Combined transformer and LLC resonant converter

 #154
20180366256
2018-12-20

None-coupling dual inductor

 #155
20180358168
2018-12-13

Coil device

 #156
20180350514
2018-12-06

Insulation type step-down coverter

 #157
20180350512
2018-12-06

Magnetic device

 #158
20180350501
2018-12-06

Coil component and method of manufacturing coil component

 #159
20180336984
2018-11-22

Reactor having outer peripheral iron core divided into multiple portions and production method therefor

 #160
20180323720
2018-11-08

Integrated magnetic component and power converter

 #161
20180323702
2018-11-08

Power converter, inductor element and control method of phase shedding

 #162
20180322996
2018-11-08

Magnetic coupling coil component

 #163
20180315539
2018-11-01

Precision transformer for antenna elements

 #164
20180308624
2018-10-25

Inductor component

 #165
20180308622
2018-10-25

Inductor component

 #166
20180308621
2018-10-25

Inductor component

 #167
20180301270
2018-10-18

Thin film inductor and power conversion circuit

 #168
20180286579
2018-10-04

Magnetic coupling device and wireless power transmission system using the same

 #169
20180286578
2018-10-04

Magnetic coupling device and wireless power transmission system using the same

 #170
20180286568
2018-10-04

Coil component and method of manufacturing the same

 #171
20180269781
2018-09-20

Active filter

 #172
20180268984
2018-09-20

Iron core including first iron core block and second iron core block

 #173
20180268982
2018-09-20

Apparatus and methods for magnetic core inductors with biased permeability

 #174
20180261381
2018-09-13

Common-mode choke coil

 #175
20180261378
2018-09-13

Transformer and DC-DC converter

 #176
20180261365
2018-09-13

Coil component

 #177
20180248534
2018-08-30

Impedance matching device

 #178
20180247760
2018-08-30

Wireless power transfer apparatus and power supplies including overlapping magnetic cores

 #179
20180240588
2018-08-23

Transformer and resonant circuit having same

 #180
20180234008
2018-08-16

Power supply system using an inductor assembly

 #181
20180226182
2018-08-09

Matrix transformer and winding structure

 #182
20180222333
2018-08-09

Integrated dual-output grid-to-vehicle (G2V) and vehicle-to-grid (V2G) onboard charger for plug-in electric vehicles

 #183
20180218832
2018-08-02

Inductor system having shared material for flux cancellation

 #184
20180198322
2018-07-12

Wireless power transfer device and method with dual-frequency operation

 #185
20180177075
2018-06-21

Wireless battery charging module

 #186
20180145653
2018-05-24

Coil device

 #187
20180145546
2018-05-24

Variable magnetic monopole field electro-magnet and inductor

 #188
20180144860
2018-05-24

Inductor component

 #189
20180111489
2018-04-26

Circuit Arrangement and a Method of Operating a Circuit Arrangement for a System for Inductive Power Transfer

 #190
20180103142
2018-04-12

Image forming apparatus to which noise counter-measure is applied

 #191
20180082782
2018-03-22

Ground-side coil unit

 #192
20180082781
2018-03-22

Circuit arrangement for reducing a magnetic unidirectional flux component in the core of a transformer

 #193
20180069601
2018-03-08

Wirelessly charged devices

 #194
20180069600
2018-03-08

Inductive charging coil configuration for wearable electronic devices

 #195
20180069599
2018-03-08

Wirelessly charged devices

 #196
20180048184
2018-02-15

Inductive coupling gap compensation

 #197
20180033545
2018-02-01

Transformer and method for retrofitting a transformer

 #198
20180023769
2018-01-25

Lighting device comprising a driver unit and method of manufacturing the same

 #199
20180013354
2018-01-11

Transformer and switched-mode power supply apparatus

 #200
20180013350
2018-01-11

Transformer and switched-mode power supply apparatus

 #201
20170345560
2017-11-30

Circuit board and electronic circuit module using the same

 #202
20170330682
2017-11-16

Arrangement and method for reducing a magnetic unidirectional flux component in the core of a transformer

 #203
20170317658
2017-11-02

Transformer of the balanced-unbalanced type

 #204
20170309395
2017-10-26

Dual-mode choke coil and high-frequency filter using same, and on-board motor integrated electric power steering and on-board charging device

 #205
20170287614
2017-10-05

Coil component

 #206
20170278625
2017-09-28

MAGNETIC ENERGY-TRANSMITTING ELEMENT AND POWER SUPPLY FOR CANCELLING OUT ELECTRICAL NOISE

 #207
20170264130
2017-09-14

Bi-plane wireless power transmission pad

 #208
20170250025
2017-08-31

Inductor winding method and inductor winding device

 #209
20170237291
2017-08-17

Coil device, wireless power transfer system, and auxiliary magnetic member

 #210
20170214276
2017-07-27

Inductive power transfer apparatus

 #211
20170213643
2017-07-27

Apparatus for reducing a magnetic unidirectional flux component in the core of a transformer

 #212
20170213641
2017-07-27

Circuit arrangement for reducing a unidirectional flux component in the soft-magnetic core of a transformer

 #213
20170169937
2017-06-15

Device and method for reducing a magnetic unidirectional flux component in the core of a three-phase transformer

 #214
20170154725
2017-06-01

Reconfigurable coupled inductor

 #215
20170108969
2017-04-20

Electromagnetic induction panel, electromagnetic induction device including the same, and display device including the same

 #216
20170089986
2017-03-30

Measuring arrangement for detecting a magnetic unidirectional flux in the core of a transformer

 #217
20170054378
2017-02-23

Integrated magnetic component

 #218
20170019032
2017-01-19

Electronic converter, and corresponding method for designing a magnetic component

 #219
20170011842
2017-01-12

Variable magnetic coupling reactor having two integrated reactor elements, power supply system including the same, and method of use of composite magnetic component having two integrated reactor elements

 #220
20160379746
2016-12-29

Coil component

 #221
20160372251
2016-12-22

Manufacturing methods for magnetic core inductors with biased permeability

 #222
20160365190
2016-12-15

Coil structure for wireless power transmissions and wireless power transmitter including the same

 #223
20160358703
2016-12-08

Thin magnet fabrication

 #224
20160300662
2016-10-13

Device and method for reducing a magnetic unidirectional flux component of a transformer core

 #225
20160294216
2016-10-06

Field neutralization during inductive charging

 #226
20160276097
2016-09-22

Decoupling loop for reducing undesired magnetic coupling between inductors, and related methods and devices

 #227
20160189848
2016-06-30

Coil structure and wireless power transmitter using the same

 #228
20160181821
2016-06-23

Wireless power transfer apparatus and power supplies including overlapping magnetic cores

 #229
20160173051
2016-06-16

Noise cancellation resonator

 #230
20160172094
2016-06-16

Inductor

 #231
20160148747
2016-05-26

Transformer

 #232
20160126000
2016-05-05

Inductor device

 #233
20160125999
2016-05-05

Apparatus for reducing a magnetic unidirectional flux component in the core of a transformer

 #234
20160118953
2016-04-28

Transformer of the balanced-unbalanced type

 #235
20160111200
2016-04-21

Embedded magnetic component transformer device

 #236
20160093432
2016-03-31

Interleaved transformer/inductor

 #237
20160036245
2016-02-04

Wireless power transmitter

 #238
20160016479
2016-01-21

Integrated dual-output grid-to-vehicle (G2V) and vehicle-to-grid (V2G) onboard charger for plug-in electric vehicles

 #239
20160016478
2016-01-21

Foreign matter detection device and method for wireless power supply device

 #240
20160006355
2016-01-07

Switched mode drive circuit

 #241
20150371756
2015-12-24

Apparatus and methods for magnetic core inductors with biased permeability

 #242
20150332849
2015-11-19

Coil for non-contact power transmission system and non-contact power transmission system

 #243
20150332845
2015-11-19

System, method and apparatus for reducing the height of bipolar transmitters and/or receivers in electric vehicle charging

 #244
20150326135
2015-11-12

Electric machine and use thereof

 #245
20150303792
2015-10-22

Integrated-type transformer

 #246
20150288170
2015-10-08

Passive fault current limiter for wind power applications

 #247
20150287526
2015-10-08

Single-phase electric furnace transformer

 #248
20150279557
2015-10-01

Coil for wireless power transmission and wireless power transmission apparatus

 #249
20150279552
2015-10-01

Plate-shaped leakage structure as an insert in a magnetic core

 #250
20150270052
2015-09-24

Coil structure and power converter

 #251
20150263636
2015-09-17

Distribution transformer

 #252
20150251546
2015-09-10

Electrical powered vehicle and power feeding device for vehicle

 #253
20150228397
2015-08-13

Coiled power device comprising a winding of a first coiling and a winding of a second coiling which cover the same portion of a magnetic core member

 #254
20150219695
2015-08-06

Power inductor and method for implementing shunting measurement through inductor winding

 #255
20150194255
2015-07-09

Energy management system

 #256
20150170832
2015-06-18

Flux coupling device and magnetic structures therefor

 #257
20150170826
2015-06-18

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