ClassID:

223537

H04B3/30 - CPC Classification

Classification description:

Line transmission systems; Details Reducing interference caused by unbalance current in a normally balanced line

Recent Application in this class:
#1
20250088576
2025-03-13

BUILDING, TRANSMITTING, AND RECEIVING FRAME STRUCTURES IN POWER LINE COMMUNICATIONS

#2
20240048643
2024-02-08

Building, transmitting, and receiving frame structures in power line communications

#3
20240048179
2024-02-08

Power line communication system, power electronic apparatus, and interference suppression method

#4
20230353192
2023-11-02

Communication network system

#5
20230138448
2023-05-04

Building, transmitting, and receiving frame structures in power line communications

#6
20220302956
2022-09-22

Pseudo-sinusoidal waveform generator for HART communication

#7
20220239334
2022-07-28

Signal correction for serial interfaces

#8
20220231726
2022-07-21

Electromagnetic interference cancellation for wireline receivers, with safety function

#9
20210320991
2021-10-14

Building, transmitting, and receiving frame structures in power line communications

#10
20210306028
2021-09-30

Signal transmission device

#11
20210306027
2021-09-30

Signal transmitting circuit and signal receiving circuit for serial communication, and electronic device

#12
20210167811
2021-06-03

Method and apparatus for transitioning between electromagnetic wave modes

#13
20200403654
2020-12-24

Bus system and communication apparatus

#14
20200220574
2020-07-09

Dynamic medium switch in co-located PLC and RF networks

#15
20200136318
2020-04-30

Communication harness, communication harness set, and relay connector

#16
20200052737
2020-02-13

Systems and methods for signal isolation in radio frequency circuit boards

#17
20200005966
2020-01-02

Cable assembly for electrical connector

#18
20190363752
2019-11-28

Method and device for cancelling noise for 2-wire transmission systems

#19
20190349026
2019-11-14

Methods and systems for use of common mode rejection (CMR) for echo cancellation in uplink communications

#20
20190253103
2019-08-15

Communication over a communication line

#21
20190245581
2019-08-08

Outbound interference reduction in a broadband powerline system

#22
20190222258
2019-07-18

Line loss detection in a signal booster system

#23
20190207384
2019-07-04

Voltage protection circuit

#24
20190199401
2019-06-27

Electromagnetic emission detection, transceiver and system

#25
20190199400
2019-06-27

Transceiver and method of adjusting the TX signal of the transceiver for weakening EMI

#26
20190163496
2019-05-30

Boot loader for active cable assemblies

#27
20190116070
2019-04-18

Characterization of decision feedback equalizer taps

#28
20190068168
2019-02-28

Method and system for a matching circuit for a broadband bus in automotive applications

#29
20180254931
2018-09-06

Common mode noise attenuation techniques for twisted wire pair

#30
20180123640
2018-05-03

Outbound interference reduction in a broadband powerline system

#31
20180109287
2018-04-19

Transmission device, method thereof, and program

#32
20180076850
2018-03-15

Interference detection and mitigation in power line communication

#33
20180048958
2018-02-15

Determination method and apparatus for preset of audio equalizer (AEQ)

#34
20170338856
2017-11-23

Method and device for cancelling noise for 2-wire transmission systems

#35
20170315097
2017-11-02

Eddy current inspection instrument with noise shaping filter

#36
20170315096
2017-11-02

Non-destructive inspection having phase amplitude modulation with time division multiplexing

#37
20170201399
2017-07-13

Common mode transient immunity circuit for opto-isolator emulation

#38
20170194929
2017-07-06

Filter for improving the electromagnetic compatibility of components of an electric drive of a vehicle

#39
20170125902
2017-05-04

Hybrid coil circuit

#40
20170117935
2017-04-27

Outbound interference reduction in a broadband powerline system

#41
20170111081
2017-04-20

Balancing sense amplifier for ethernet transceiver

#42
20170099728
2017-04-06

Device and method for transmitting differential data signals

#43
20170099166
2017-04-06

Fast adaptive mode-conversion digital canceller

#44
20170085359
2017-03-23

Echo cancellation for high speed full duplex data transmissions

#45
20170041044
2017-02-09

Coaxial data communication with reduced EMI

#46
20160370486
2016-12-22

Method and system for transmitting signals on a multi-conductor cable

#47
20160274921
2016-09-22

Boot loader for active cable assemblies

#48
20160269201
2016-09-15

Transmitting signals between modules

#49
20160218892
2016-07-28

Fast adaptive digital canceller

#50
20160204828
2016-07-14

Radio based automatic level control for linear radio calibration

#51
20160197647
2016-07-07

Communications device for multi-tone mask mode operation

#52
20160142030
2016-05-19

Cable assembly having a signal-control component

#53
20160127084
2016-05-05

Differential wired communication link quality detector and differential wired communication link quality detection method

#54
20160112548
2016-04-21

Building, transmitting, and receiving frame structures in power line communications

#55
20160049988
2016-02-18

Suppression of interference in power and communications signals

#56
20160028438
2016-01-28

Dynamic medium switch in co-located PLC and RF networks

#57
20150381218
2015-12-31

Skew control for three-phase communication

#58
20150318599
2015-11-05

Coaxial data communication with reduced EMI

#59
20150317886
2015-11-05

Signalling system

#60
20150304138
2015-10-22

Electronic device and signal transmission method

#61
20150264477
2015-09-17

Device and method for hum signal compensation in analog telephony signals

#62
20150207539
2015-07-23

System and method for multi-dimensional modulation schemes with high noise immunity and low emission idle signaling for automotive area networks

#63
20150188509
2015-07-02

Choke and EMI filter with the same

#64
20150145461
2015-05-28

Input EMI filter for motor drive including an active rectifier

#65
20150109073
2015-04-23

Device for linking an electrical member to a communication line

#66
20150078403
2015-03-19

Outbound interference reduction in a broadband powerline system

#67
20150023398
2015-01-22

Voltage regulator for a serializer/deserializer communication application

#68
20150010094
2015-01-08

Method for communication and validation of electrical signals

#69
20140376386
2014-12-25

System for interconnecting devices for creating automation systems

#70
20140362981
2014-12-11

Variable impedance scheme for providing a wired communication

#71
20140256276
2014-09-11

Unified front-end receiver interface for accommodating incoming signals via AC-coupling or DC-coupling

#72
20140211832
2014-07-31

BASE-T common mode testing in an Ethernet subsystem

#73
20140177739
2014-06-26

TRANSMISSION DEVICE AND NODE FOR THE SAME

#74
20140167875
2014-06-19

Transmission device

#75
20140146900
2014-05-29

Building, transmitting, and receiving frame structures in power line communications

#76
20140086346
2014-03-27

METHOD AND SYSTEM FOR REMOVAL OF BASELINE WANDER AND POWER-LINE INTERFERENCE

#77
20130169380
2013-07-04

Noise filter and transmission device

#78
20130142233
2013-06-06

Multiple-input and multiple-output modem for connection in a power line communication network

#79
20130069740
2013-03-21

Wave form distortion removing apparatus for a communication network

#80
20130038403
2013-02-14

Differential coupler

#81
20130034110
2013-02-07

Broadcast transmission for multi-tone mask mode operation

#82
20130009489
2013-01-10

Transmission medium with inductive current transmission on multiple conductors

#83
20120218050
2012-08-30

Power supply cable for power line communication equipment

#84
20120155527
2012-06-21

Common mode noise reduction within differential signal

#85
20120133414
2012-05-31

Compensating for wander in AC coupling data interface

#86
20120112784
2012-05-10

DIFFERENTIAL SIGNAL TRANSMISSION LINE, IC PACKAGE, AND METHOD FOR TESTING SAID DIFFERENTIAL SIGNAL TRANSMISSION LINE AND IC PACKAGE

#87
20120100756
2012-04-26

Connector and interface apparatus comprising connector

#88
20120093198
2012-04-19

Building, transmitting, and receiving frame structures in power line communications

#89
20120091975
2012-04-19

Method and apparatus for supplying power to a connection device

#90
20120019331
2012-01-26

Printed circuit board

#91
20110310936
2011-12-22

Reducing electromagnetic interference in a receive signal with an analog correction signal

#92
20110299584
2011-12-08

Equalization system

#93
20110211619
2011-09-01

Protective relay and method for controlling the same

#94
20110206140
2011-08-25

Device for coupling out a common-mode signal in a power line communication network

#95
20110204967
2011-08-25

False-link protection circuit and method for utilizing same

#96
20110148477
2011-06-23

SIGNAL TRANSMISSION DEVICE

#97
20110128089
2011-06-02

SIGNAL TRANSMISSION DEVICE

#98
20110117854
2011-05-19

High speed minimal interference adaptive tranceiver interface and method thereof

#99
20110109399
2011-05-12

Device for inductive multi-injection on multiple conductors

#100
20110095838
2011-04-28

Multichannel interfacing device having a termination circuit

#101
20110084751
2011-04-14

Multichannel interfacing device having a balancing circuit

#102
20110074488
2011-03-31

Pseudo-differential receiving circuit

#103
20110051819
2011-03-03

System and method for transmitter electromagnetic interference (EMI) reduction

#104
20100289595
2010-11-18

Device for inductive multi-injection on multiple conductors

#105
20100283560
2010-11-11

TRANSMITTER FOR INTRINSICALLY SAFE DATA-TRANSMISSION DEVICE

#106
20100246693
2010-09-30

Receiving apparatus and method for signal detection

#107
20100239029
2010-09-23

Receiving apparatus

#108
20100219902
2010-09-02

Electromagnetic interference mitigation system and method

#109
20100219809
2010-09-02

Apparatus for detecting a fault in the balancing unit

#110
20100177829
2010-07-15

Receiving device including impedance control circuit and semiconductor device including impedance control circuit

#111
20100142419
2010-06-10

Bi-directional bridge circuit having high common mode rejection and high input sensitivity

#112
20100128814
2010-05-27

Pseudo-differential interfacing device having a balancing circuit

#113
20100111202
2010-05-06

Method and apparatus for generating a common-mode reference signal

#114
20100102900
2010-04-29

Process for reduction of the common mode current for power line communications equipment

#115
20100045339
2010-02-25

Wireline transmission circuit

#116
20090245335
2009-10-01

Signal processing system, filter device and signal processing method

#117
20090140849
2009-06-04

Inbound interference reduction in a broadband powerline system

#118
20090110130
2009-04-30

Method and circuit for changing modes without dedicated control pin

#119
20090072861
2009-03-19

Wireline transmission circuit

#120
20090039975
2009-02-12

Electrical multiple-wire system for push-pull signal transmission with an attenuating or filtering element and data transmission bus

#121
20080304578
2008-12-11

Transmission cable

#122
20080268804
2008-10-30

Bias circuit for common-mode and semiconductor process voltage and temperature optimization for a receiver assembly

#123
20080219359
2008-09-11

Method and system for reducing common mode noise interference in a differential communication channel

#124
20080204172
2008-08-28

Termination circuit, vehicle-mounted control apparatus, and vehicle-mounted communication system

#125
20080056484
2008-03-06

Electronic circuit to reduce noise in digital subscriber loop and communications over unsheilded twisted pair metallic conductors

#126
20070280471
2007-12-06

Minimizing saturation caused by power transfer in a communication system transformer

#127
20070268989
2007-11-22

Method for receiving a signal, which is transmitted over a pair of wires and receiver

#128
20070252659
2007-11-01

Filter Circuit, Differential Transmission System Having Same, and Power Supply

#129
20070236305
2007-10-11

Compact RF circuit with high common mode attenuation

#130
20070152653
2007-07-05

System and method for reducing common-mode interference in differential or single-ended signals

#131
20060256744
2006-11-16

Bi-directional bridge circuit having high common mode rejection and high input sensitivity

#132
20060187004
2006-08-24

Method and device for reducing common more signal in power line communication system

#133
20060165159
2006-07-27

Method for transmitting digital electrical signals

#134
20060139971
2006-06-29

Noise suppressor

#135
20060125570
2006-06-15

Radiation noise suppression circuit for differential transmission line

#136
20050271149
2005-12-08

RF isolator for isolating voltage sensing and gate drivers

#137
20050238107
2005-10-27

Balanced transmitting apparatus

#138
20050232412
2005-10-20

Line state detecting apparatus and transmitting apparatus and receiving apparatus of balanced transmission system

#139
20050231040
2005-10-20

Radiation information management device and communication device

#140
20050142953
2005-06-30

Regulator for impedance balance of a transmission wire pair

#141
20050084020
2005-04-21

Data receiving device

#142
20050053227
2005-03-10

Electronic circuit to reduce noise in digital subscriber loop and communications over unshielded twisted pair metallic conductors

#143
20050018777
2005-01-27

Method and apparatus for reducing noise in an unbalanced channel using common mode component

#144
14795649
2017-02-21

Method and device for stabilizing impedance on a power-line communication device

#145
14085628
2015-06-16

Integrated power line communication architectures for power entry modules

#146
14068502
2015-09-08

Transformer based circuit for reducing EMI radiation in high speed CMOS SERDES transmitters

#147
13775041
2014-11-11

Voltage regulator for a serializer/deserializer communication application

#148
13164810
2016-01-05

Systems and methods for compensating for impulse noise

#149
12563938
2018-03-06

Cancellation of alien interference in communication systems