ClassID:

227575

H04M3/304 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring; Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using xDSL modems

Recent Application in this class:
#1
20240333833
2024-10-03

SYSTEMS, METHODS, AND STORAGE MEDIA FOR TESTING LOCAL LOOPS OF TELECOMMUNICATIONS NETWORKS

#2
20240333336
2024-10-03

MEASURING AND ANALYZING DATA TO GENERATE RECOMMENDATIONS ASSOCIATED WITH A DIGITAL SUBSCRIPTION LINE (DSL)

#3
20240267456
2024-08-08

DETECTING MODEM POWER STATE CHANGE

#4
20230291829
2023-09-14

Systems, methods, and storage media for testing local loops of telecommunications networks

#5
20230208967
2023-06-29

SITE LINK TESTER VIA UNIQUE PHONE EMULATION

#6
20230046134
2023-02-16

Measuring and analyzing data to generate recommendations associated with a digital subscription line (DSL)

#7
20220191322
2022-06-16

Systems, methods, and storage media for testing local loops of telecommunications networks

#8
20210314437
2021-10-07

Site link tester via unique phone emulation

#9
20210306210
2021-09-30

Method and system to identify a source of signal impairment

#10
20200267255
2020-08-20

FAULT ANALYSIS DEVICE

#11
20190342151
2019-11-07

Method and system to identify a source of signal impairment

#12
20190215144
2019-07-11

Method and apparatus for reformatting and retiming digital telecommunications data for reliable retransmission via USB

#13
20190097682
2019-03-28

Method and system for estimating crosstalk between electrical transmission lines

#14
20180278742
2018-09-27

Line fault localisation

#15
20180249001
2018-08-30

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#16
20180227142
2018-08-09

Digital ADSL regenerator device with adaptive data forwarding

#17
20170294940
2017-10-12

Methods and systems for reducing crosstalk using sequential non-linear vectoring

#18
20170180549
2017-06-22

Systems, methods, and apparatuses for identifying cable-level faults in a copper plant of a DSL system

#19
20170118007
2017-04-27

Method and apparatus for reformatting and retiming digital telecommunications data for reliable retransmission via USB

#20
20170063489
2017-03-02

Inband spurious detection and processing within communication systems

#21
20170034343
2017-02-02

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#22
20170026522
2017-01-26

Digital subscriber line profile selection method and apparatus

#23
20170026257
2017-01-26

Methods and apparatus for operating an access network

#24
20170005700
2017-01-05

Reducing the feedback overhead during crosstalk precoder initialization

#25
20160295014
2016-10-06

Channel ordering for multi-channel multi-carrier communication systems

#26
20160285676
2016-09-29

Method and apparatus for diagnosing and configuring a broadband connection via an alternate communication path

#27
20160227026
2016-08-04

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#28
20160197768
2016-07-07

Method and system to identify a source of signal impairment

#29
20160191118
2016-06-30

ENHANCING SINGLE-ENDED LOOP TESTING SIGNALS

#30
20160191117
2016-06-30

Randomization of crosstalk probing signals

#31
20160165042
2016-06-09

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#32
20160149651
2016-05-26

Method and apparatus for DSL performance enhancement in a DSL network

#33
20160127537
2016-05-05

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#34
20160080460
2016-03-17

Video streaming diagnostics

#35
20150381236
2015-12-31

Method and apparatus in a communications network

#36
20150358485
2015-12-10

Method and device for supplying power to access device

#37
20150350417
2015-12-03

DETECTION OF WIRING DEFECTS

#38
20150341488
2015-11-26

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#39
20150172138
2015-06-18

User-preference-based DSL system

#40
20150103981
2015-04-16

Method and system for single-ended line testing

#41
20150103936
2015-04-16

SYSTEMS AND METHODS FOR ESTABLISHING A DIAGNOSTIC TRANSMISSION MODE AND COMMUNICATING OVER THE SAME

#42
20150023494
2015-01-22

Vectored DSL crosstalk cancellation

#43
20150003596
2015-01-01

Data communication

#44
20140369208
2014-12-18

Quality check identifying source of service issue

#45
20140334283
2014-11-13

Dynamic rate adaptation methods in a vectored G.fast system

#46
20140328471
2014-11-06

Telecommunication diagnostic information management

#47
20140307867
2014-10-16

Analog front-end transmitter and a connection method of an X-digital subscriber line having a pre-distortion mechanism

#48
20140269876
2014-09-18

Detecting faults affecting communications links

#49
20140254645
2014-09-11

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#50
20140233722
2014-08-21

Reducing the feedback overhead during crosstalk precoder initialization

#51
20140185659
2014-07-03

Communication system capable of measuring crosstalk in legacy line

#52
20140098705
2014-04-10

Management center for communication system customer premises equipment

#53
20140093067
2014-04-03

Method, apparatus, and system for reducing line-to-line crosstalk during transmission of digital subscriber line service

#54
20130215773
2013-08-22

Data communication

#55
20130201836
2013-08-08

Data communication

#56
20130163729
2013-06-27

Calibration of a line driving device

#57
20130101094
2013-04-25

Method for testing a component of a vectoring system and line termination equipment configured to carry out said method

#58
20130058463
2013-03-07

Telecommunication diagnostic information management

#59
20130022178
2013-01-24

Detection of wiring defects

#60
20130010931
2013-01-10

Estimating pair symmetry status for a communication line

#61
20120314845
2012-12-13

Methods and apparatus to trigger maintenance and upgrades of access networks

#62
20120294348
2012-11-22

Method and device for data processing in a digital subscriber line environment

#63
20120243668
2012-09-27

System and method for evaluating and troubleshooting a digital subscriber line system

#64
20120232878
2012-09-13

Methods and systems for detecting metallic faults affecting communications links

#65
20120230476
2012-09-13

Multicarrier modulation messaging for power level per subchannel information

#66
20120134397
2012-05-31

Method and apparatus for DSL performance enhancement in a DSL network

#67
20120099424
2012-04-26

Dynamic line management of digital subscriber line connections

#68
20120069853
2012-03-22

METHOD, APPARATUS, AND SYSTEM FOR DATA ACQUISITION

#69
20120020395
2012-01-26

SYSTEM AND METHOD FOR DIGITAL SUBSCRIBER LOOP CROSSTALK CANCELLATION

#70
20120005331
2012-01-05

Method and system to identify a source of signal impairment

#71
20110292980
2011-12-01

Detecting faults affecting communications links

#72
20110191472
2011-08-04

Dynamic line management

#73
20110122937
2011-05-26

METHOD AND DEVICE FOR SNR MEASUREMENT AND COMMUNICATION SYSTEM COMPRISING SUCH DEVICE

#74
20110103443
2011-05-05

Systems and methods for establishing a diagnostic transmission mode and communicating over the same

#75
20110103252
2011-05-05

Method and Node for Decentralized Embedded Self-Optimization in a Broadband Access Network

#76
20110080938
2011-04-07

Vectored DSL crosstalk cancellation

#77
20110058468
2011-03-10

Method and apparatus for crosstalk cancellation during SELT testing

#78
20110051906
2011-03-03

Adaptive margin and band control

#79
20110010444
2011-01-13

Data communication

#80
20100306375
2010-12-02

Method and system for verifying modem status

#81
20100293274
2010-11-18

Data communication in an access network

#82
20100290362
2010-11-18

Monitoring data communications in an access network

#83
20100278313
2010-11-04

Digital subscriber line testing tool

#84
20100278050
2010-11-04

System and method for making far end measurements for DSL diagnostics

#85
20100271039
2010-10-28

Apparatus for detecting imbalances in a paired line

#86
20100254442
2010-10-07

Configuring the virtual noise parameters of a digital subscriber line

#87
20100238785
2010-09-23

Cancellation of crosstalk energy in communication loops

#88
20100226418
2010-09-09

Multicarrier modulation messaging for power level per subchannel information

#89
20100220775
2010-09-02

Multicarrier modulation messaging for SNR per subchannel during showtime information

#90
20100202594
2010-08-12

Telecommunication diagnostic information management

#91
20100195817
2010-08-05

Reducing the feedback overhead during crosstalk precoder initialization

#92
20100166051
2010-07-01

Video Streaming Diagnostics

#93
20100158043
2010-06-24

Method and apparatus for reformatting and retiming digital telecommunications data for reliable retransmission via USB

#94
20100149989
2010-06-17

Methods and apparatus to trigger maintenance and upgrades of access networks

#95
20100142601
2010-06-10

DSL ring signal compatibility

#96
20100135374
2010-06-03

Method and device for crosstalk evaluation and communication system comprising such device

#97
20100114529
2010-05-06

DSL diagnosis expert system and method

#98
20100091889
2010-04-15

Method and apparatus to select a profile of a digital communication line

#99
20100052693
2010-03-04

Method and apparatus for measuring data rates

#100
20100034216
2010-02-11

Data communication

#101
20090315565
2009-12-24

Adaptive pulse width time domain reflectometer

#102
20090296792
2009-12-03

Method, device and system for eliminating DSL crosstalk

#103
20090252207
2009-10-08

METHODS AND APPARATUS TO TEST A CENTRAL OFFICE DIGITAL SUBSCRIBER LINE MODEM

#104
20090238254
2009-09-24

Multicarrier modulation messaging for frequency domain received idle channel noise information

#105
20090225672
2009-09-10

METHODS AND APPARATUS TO DETECT WIDEBAND INTERFERENCE IN DIGITAL SUBSCRIBER LINE (DSL) SYSTEMS

#106
20090190644
2009-07-30

METHOD AND APPARATUS FOR QUICKLY DIAGNOSING INTER-COMMUNICATION PROBLEM OF DIGITAL SUBSCRIBER LINE TRANSCEIVERS

#107
20090168973
2009-07-02

System and method for evaluating and troubleshooting a digital subscriber line system

#108
20090168972
2009-07-02

Methods and apparatus to perform line testing at customer premises

#109
20090161741
2009-06-25

Methods and apparatus to combine data from multiple source to characterize communication systems

#110
20090161561
2009-06-25

Method and system for determining characters of channels

#111
20090161532
2009-06-25

System and method for troubleshooting broadband connections

#112
20090086800
2009-04-02

Adaptive FEC codeword management

#113
20090074011
2009-03-19

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, CONTROL METHOD AND STORAGE MEDIUM

#114
20090059802
2009-03-05

DEVICE, SYSTEM AND METHOD FOR DIAGNOSING INTERWORKING FAULT OF X DIGITAL SUBSCRIBER LINE TRANSCEIVERS

#115
20090052632
2009-02-26

CENTER OFFICE WIDEBAND DEVICE WITH SELF-DETECTION FUNCTION AND DETECTING METHOD THEREOF

#116
20090034689
2009-02-05

Telecommunication diagnostic information management

#117
20080298262
2008-12-04

Broadband test line access circuit, broadband test-line access board and broadband test device

#118
20080288190
2008-11-20

Systems and methods to determine an impedance mismatch

#119
20080279180
2008-11-13

Managing a Node that Provides Access to Both Broadband and Narrowband Service

#120
20080267391
2008-10-30

Method and apparatus for reducing crosstalk between digital subscriber lines

#121
20080259810
2008-10-23

Broadband Service Applications Test Tool

#122
20080188185
2008-08-07

Method, apparatus and system for crosstalk test on multi-subscriber communication lines

#123
20080159153
2008-07-03

METHOD AND APPARATUS FOR AUTOMATIC TROUBLE ISOLATION FOR DIGITAL SUBSCRIBER LINE ACCESS MULTIPLEXER

#124
20080151742
2008-06-26

Determining information indicating a length of a part of a first cable

#125
20080106270
2008-05-08

Apparatus for detecting imbalances in a paired line

#126
20080101591
2008-05-01

System and method for selecting a profile for a digital subscriber line

#127
20080100308
2008-05-01

Apparatus for detecting imbalances in a paired line

#128
20080071516
2008-03-20

DSL system estimation and parameter recommendation

#129
20080030202
2008-02-07

Method and apparatus for measuring data rates

#130
20080027730
2008-01-31

System and method for providing access to an interactive service offering

#131
20080013695
2008-01-17

SYSTEM AND METHOD FOR VERIFYING CENTRAL OFFICE WIRING ASSOCIATED WITH LINE SHARING

#132
20070291908
2007-12-20

Method and apparatus for gradual application of a hitless monitoring access to a communications circuit employing a guided transmission media

#133
20070274458
2007-11-29

Automated DSL performance adjustment

#134
20070263778
2007-11-15

Subscriber line maintenance apparatus and methods

#135
20070189464
2007-08-16

Method for distributing hardware and software resources for high bit rate link control

#136
20070177624
2007-08-02

Communication interface and testing method therefore

#137
20070147590
2007-06-28

System for testing subscriber lines and method thereof

#138
20070140469
2007-06-21

Multi-stage differential warping amplifier and method

#139
20070133754
2007-06-14

Remote HDSL test access system

#140
20070121927
2007-05-31

Device and method for suppressing DSL signal echo induced by bridgetap

#141
20070116185
2007-05-24

Real time web-based system to manage trouble tickets for efficient handling

#142
20070071177
2007-03-29

Digital subscriber line diagnostic system

#143
20070036340
2007-02-15

Binder identification

#144
20070036339
2007-02-15

Self-learning and self-adjusting DSL system

#145
20070004286
2007-01-04

Cancellation of crosstalk energy in communication loops

#146
20060285648
2006-12-21

Telecommunications diagnostic information management

#147
20060280235
2006-12-14

User-preference-based DSL system

#148
20060251221
2006-11-09

Method and arrangement for loop test of a disturbed line

#149
20060221849
2006-10-05

Method of selecting a profile of a broadband communication line

#150
20060218293
2006-09-28

Matching DSL data link layer protocol detection

#151
20060212918
2006-09-21

Communication interface and testing method therefore

#152
20060176825
2006-08-10

Subscriber line testing system, broadband line card and broadband/narrowband telecommunication system

#153
20060174171
2006-08-03

Method and apparatus for reducing transmission errors caused by periodic transients in digital subscriber line (DSL) communication systems

#154
20060164101
2006-07-27

Test method and apparatus for in-house wiring problems

#155
20060140375
2006-06-29

System and method for automatically notifying a customer via phone of service restoration

#156
20060119995
2006-06-08

Method and apparatus for gradual application of a hitless monitoring access to a communications circuit employing a guided transmission media

#157
20060098725
2006-05-11

DSL system estimation including known DSL line scanning and bad splice detection capability

#158
20060087978
2006-04-27

System and method for troubleshooting broadband connections

#159
20060067237
2006-03-30

Method and system for testing network connections

#160
20060039454
2006-02-23

Interference cancellation system

#161
20050231882
2005-10-20

Device for controlling an xDSL communication line

#162
20050185705
2005-08-25

Control method of xDSL modem and xDSL modem

#163
20050175117
2005-08-11

Method of selecting a profile of a digital subscriber line

#164
20050152385
2005-07-14

High speed multiple loop DSL system

#165
20050147218
2005-07-07

System and method for providing access to an interactive service offering

#166
20050138524
2005-06-23

Adaptive FEC codeword management

#167
20050123028
2005-06-09

Adaptive margin and band control in digital subscriber line (DSL) systems

#168
20050123027
2005-06-09

DSL system estimation and parameter recommendation

#169
20050105472
2005-05-19

Test access matrix (TAM) protector module and associated circuitry for a telecommunications system

#170
20050050207
2005-03-03

Method and system for verifying modem status

#171
20050036586
2005-02-17

System and method for verifying central office wiring associated with line sharing

#172
20050018596
2005-01-27

System for crosstalk noise reduction on twisted pair, ethernet, polyphase and shielded wire systems