Compensating for differences in line impedance

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CPC
H04M1/76

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/76Compensating for differences in line impedance

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Detecting and reducing feedback
- Patent number 10,540,983
- Issue date Jan 21, 2020
- SORENSON IP HOLDINGS, LLC
- Jeffrey Bullough
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Impedance matching circuit of communication apparatus
- Patent number 10,432,164
- Issue date Oct 1, 2019
- Electronics and Telecommunications Research Institute
- Sun Woo Kong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device
- Patent number 10,069,963
- Issue date Sep 4, 2018
- Oki Data Corporation
- Kimiaki Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for correcting telephone signal degradation caused by the le...
- Patent number 9,363,364
- Issue date Jun 7, 2016
- Sagemcom Broadband SAS
- Gilles Bourgoin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and control method for the same
- Patent number 9,300,788
- Issue date Mar 29, 2016
- Canon Kabushiki Kaisha
- Naoki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for optimizing termination impedance for an analo...
- Patent number 8,842,822
- Issue date Sep 23, 2014
- Adtran, Inc.
- John Whitehouse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and circuitry for matching impedance
- Patent number 8,761,384
- Issue date Jun 24, 2014
- ZTE Corporation
- Zhuwei Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and circuitry for matching impedance
- Patent number 8,649,504
- Issue date Feb 11, 2014
- ZTE Corporation
- Zhuwei Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for optimizing termination impedance for an analo...
- Patent number 8,401,174
- Issue date Mar 19, 2013
- Adtran, Inc.
- John Whitehouse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing far-end crosstalk in electrical connectors
- Patent number 8,357,013
- Issue date Jan 22, 2013
- Hirose Electric Co., Ltd.
- Tatsuya Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Supply circuit for supplying a two-wire line
- Patent number 7,853,008
- Issue date Dec 14, 2010
- Lantiq Deutschland GmbH
- Thomas Ferianz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,463,675
- Issue date Dec 9, 2008
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Configurable communications modules and methods of making the same
- Patent number 7,317,934
- Issue date Jan 8, 2008
- Avago Technologies Fiber IP Pte Ltd.
- Hui Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,301,995
- Issue date Nov 27, 2007
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,283,584
- Issue date Oct 16, 2007
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and circuit for adapting the impedance of an analog telecomm...
- Patent number 7,260,211
- Issue date Aug 21, 2007
- Siemens Aktiengesellschaft
- Paul Kunisch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for subscriber line control circuit
- Patent number 7,260,212
- Issue date Aug 21, 2007
- Winbond Electronics Corporation
- Peter Holzmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,200,167
- Issue date Apr 3, 2007
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for ring-back constriction
- Patent number 7,155,005
- Issue date Dec 26, 2006
- VIA Technologies, Inc.
- Chi Chang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Telecommunication line driver having synthesized output impedance d...
- Patent number 7,130,412
- Issue date Oct 31, 2006
- Adtran, Inc.
- Daniel M. Joffe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct digital access arrangement circuitry and method for connecti...
- Patent number 7,072,389
- Issue date Jul 4, 2006
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for electronically generating a call impedance
- Patent number 7,023,985
- Issue date Apr 4, 2006
- Infineon Technologies AG
- Jörg Hauptmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Universal apparatus and method for interfacing signals with telepho...
- Patent number 7,020,274
- Issue date Mar 28, 2006
- Agilent Technologies, Inc.
- Charles J Burnett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impedance compensation in interfacing a modem to a telephone line
- Patent number 6,904,144
- Issue date Jun 7, 2005
- Silicon Laboratories, Inc.
- Ketankumar B. Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pots splitter with line impedance matching
- Patent number 6,895,089
- Issue date May 17, 2005
- ADC DSL Systems, Inc.
- Jie Dong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cascade low-pass filter to improve xDSL band attenuation for POTS s...
- Patent number 6,853,724
- Issue date Feb 8, 2005
- ADC DSL Systems, Inc.
- Jie Dong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformer-coupled matching impedance
- Patent number 6,792,104
- Issue date Sep 14, 2004
- 2Wire, Inc.
- James T. Schley-May
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impedance blocking filter circuit for digital subscriber line commu...
- Patent number 6,757,380
- Issue date Jun 29, 2004
- CSI/Suttle Apparatus Corporation
- Ronald L. Fredrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive transmission line impedance matching device and method
- Patent number 6,724,890
- Issue date Apr 20, 2004
- Premisenet Incorporated
- Bernard F. Bareis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data signal attenuator and systems and methods for using same
- Patent number 6,697,485
- Issue date Feb 24, 2004
- 3COM Corporation
- Spiro Poulis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DETECTING AND REDUCING FEEDBACK
- Publication number 20180350378
- Publication date Dec 6, 2018
- SORENSON IP HOLDINGS, LLC
- Jeffrey Bullough
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
IMPEDANCE MATCHING CIRCUIT OF COMMUNICATION APPARATUS
- Publication number 20180167048
- Publication date Jun 14, 2018
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Sun Woo KONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMMUNICATION DEVICE
- Publication number 20170064074
- Publication date Mar 2, 2017
- Oki Data Corporation
- Kimiaki Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal transmitting and receiving circuit of digital subscriber line
- Publication number 20150103986
- Publication date Apr 16, 2015
- REALTEK SEMICONDUCTOR CORPORATION
- YUNG-TAI CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND CONTROL METHOD FOR THE SAME
- Publication number 20140185791
- Publication date Jul 3, 2014
- Canon Kabushiki Kaisha
- Naoki Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR OPTIMIZING TERMINATION IMPEDANCE FOR AN ANALO...
- Publication number 20130336463
- Publication date Dec 19, 2013
- Adtran, Inc
- John Whitehouse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Circuitry for Matching Impedance
- Publication number 20130234804
- Publication date Sep 12, 2013
- ZTE Corporation
- Zhuwei Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Circuitry for Matching Impedance
- Publication number 20130223620
- Publication date Aug 29, 2013
- ZTE Corporation
- Zhuwei Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR CORRECTING TELEPHONE SIGNAL DEGRADATION CAUSED BY THE LE...
- Publication number 20120063588
- Publication date Mar 15, 2012
- Gilles Bourgoin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCING FAR-END CROSSTALK IN CHIP-TO-CHIP COMMUNICATION SYSTEMS AN...
- Publication number 20100183141
- Publication date Jul 22, 2010
- Hirose Electric USA Inc.
- Tatsuya Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCING FAR-END CROSSTALK IN ELECTRICAL CONNECTORS
- Publication number 20100184307
- Publication date Jul 22, 2010
- Hirose Electric USA Inc.
- Tatsuya Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GATEWAY AND METHOD FOR ADJUSTING SIGNAL INTENSITY BETWEEN A TELEPHO...
- Publication number 20080101388
- Publication date May 1, 2008
- HON HAI Precision Industry CO., LTD.
- Hsin-Chi Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Line interface for telephone
- Publication number 20080043998
- Publication date Feb 21, 2008
- Acoustic Technologies, Inc.
- Richard W. Ulmer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Termination circuit for broadband signal lines
- Publication number 20070116260
- Publication date May 24, 2007
- Roy N. Sodersjerna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Premises End Crosstalk Compensation
- Publication number 20070047733
- Publication date Mar 1, 2007
- Gordon Bremer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20060215771
- Publication date Sep 28, 2006
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Supply circuit for supplying a two-wire line
- Publication number 20060133601
- Publication date Jun 22, 2006
- Thomas Ferianz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Configurable communications modules and methods of making the same
- Publication number 20050025307
- Publication date Feb 3, 2005
- Hui Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and circuit for adapting the impedance of an analog telecomm...
- Publication number 20040208310
- Publication date Oct 21, 2004
- Paul Kunisch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20040161023
- Publication date Aug 19, 2004
- Silicon Laboratories, Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20040161024
- Publication date Aug 19, 2004
- Silicon Laboratories, Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and device for preventing signal loss in unterminated bridge...
- Publication number 20040066933
- Publication date Apr 8, 2004
- Ross A. Jeffery
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pots splitter with line impedance matching
- Publication number 20030112961
- Publication date Jun 19, 2003
- ADC DSL Systems, Inc.
- Jie Dong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cascade low-pass filter to improve xDSL band attenuation for POTS s...
- Publication number 20030112960
- Publication date Jun 19, 2003
- ADC DSL Systems, Inc.
- Jie Dong Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telecommunication line driver having synthesized output impendance...
- Publication number 20030099346
- Publication date May 29, 2003
- Adtran, Inc
- Daniel M. Joffe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transformer-coupled matching impedance
- Publication number 20030081761
- Publication date May 1, 2003
- James T. Schley-May
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Impedance blocking filter circuit for digital subscriber line commu...
- Publication number 20030016814
- Publication date Jan 23, 2003
- Ronald L. Fredrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20030002571
- Publication date Jan 2, 2003
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct digital access arrangement circuitry and method for connecti...
- Publication number 20020154702
- Publication date Oct 24, 2002
- Silicon Laboratories Inc.
- Jeffrey W. Scott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for an improved analog echo canceller
- Publication number 20020126835
- Publication date Sep 12, 2002
- Daniel M. Joffe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Compensating for differences in line impedance

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Detecting and reducing feedback

Impedance matching circuit of communication apparatus

Communication device

Method for correcting telephone signal degradation caused by the le...

Apparatus and control method for the same

System and method for optimizing termination impedance for an analo...

Method and circuitry for matching impedance

Method and circuitry for matching impedance

System and method for optimizing termination impedance for an analo...

Reducing far-end crosstalk in electrical connectors

Supply circuit for supplying a two-wire line

Direct digital access arrangement circuitry and method for connecti...

Configurable communications modules and methods of making the same

Direct digital access arrangement circuitry and method for connecti...

Direct digital access arrangement circuitry and method for connecti...

Method and circuit for adapting the impedance of an analog telecomm...

Method and apparatus for subscriber line control circuit

Direct digital access arrangement circuitry and method for connecti...

Apparatus for ring-back constriction

Telecommunication line driver having synthesized output impedance d...

Direct digital access arrangement circuitry and method for connecti...

Circuit for electronically generating a call impedance

Universal apparatus and method for interfacing signals with telepho...

Impedance compensation in interfacing a modem to a telephone line

Pots splitter with line impedance matching

Cascade low-pass filter to improve xDSL band attenuation for POTS s...

Transformer-coupled matching impedance

Impedance blocking filter circuit for digital subscriber line commu...

Adaptive transmission line impedance matching device and method

Data signal attenuator and systems and methods for using same

Patents Applicationslast 30 patents

DETECTING AND REDUCING FEEDBACK

IMPEDANCE MATCHING CIRCUIT OF COMMUNICATION APPARATUS

COMMUNICATION DEVICE

Signal transmitting and receiving circuit of digital subscriber line

APPARATUS AND CONTROL METHOD FOR THE SAME

SYSTEM AND METHOD FOR OPTIMIZING TERMINATION IMPEDANCE FOR AN ANALO...

Method and Circuitry for Matching Impedance

Method and Circuitry for Matching Impedance

METHOD FOR CORRECTING TELEPHONE SIGNAL DEGRADATION CAUSED BY THE LE...

REDUCING FAR-END CROSSTALK IN CHIP-TO-CHIP COMMUNICATION SYSTEMS AN...

REDUCING FAR-END CROSSTALK IN ELECTRICAL CONNECTORS

GATEWAY AND METHOD FOR ADJUSTING SIGNAL INTENSITY BETWEEN A TELEPHO...

Line interface for telephone

Termination circuit for broadband signal lines

System and Method for Premises End Crosstalk Compensation

Direct digital access arrangement circuitry and method for connecti...

Supply circuit for supplying a two-wire line

Configurable communications modules and methods of making the same

Method and circuit for adapting the impedance of an analog telecomm...

Direct digital access arrangement circuitry and method for connecti...

Direct digital access arrangement circuitry and method for connecti...

Method and device for preventing signal loss in unterminated bridge...

Pots splitter with line impedance matching

Cascade low-pass filter to improve xDSL band attenuation for POTS s...

Telecommunication line driver having synthesized output impendance...

Transformer-coupled matching impedance

Impedance blocking filter circuit for digital subscriber line commu...

Direct digital access arrangement circuitry and method for connecti...

Direct digital access arrangement circuitry and method for connecti...

Method and apparatus for an improved analog echo canceller