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Circuit arrangements at the subscriber's side of the line
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H04M3/301
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H
ELECTRICITY
H04
Electric communication
H04M
TELEPHONIC COMMUNICATION
H04M3/00
Automatic or semi-automatic exchanges
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H04M3/301
Circuit arrangements at the subscriber's side of the line
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Patents Grants
last 30 patents
Information
Patent Grant
Detecting dial tone on a telephone line
Patent number
9,503,568
Issue date
Nov 22, 2016
Captioncall, LLC
Brian Chevrier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for transmission line testing
Patent number
9,426,282
Issue date
Aug 23, 2016
AT&T Intellectual Property I, L.P.
Thomas J. J. Starr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Error detection and reporting
Patent number
8,966,052
Issue date
Feb 24, 2015
Verizon Patent and Licensing Inc.
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for monitoring, controlling and provisioning a te...
Patent number
8,891,519
Issue date
Nov 18, 2014
Verizon Patent and Licensing Inc.
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Home wiring test system with missing filter detection
Patent number
8,761,350
Issue date
Jun 24, 2014
Tollgrade Communications, Inc.
Roger Faulkner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for transmission line testing
Patent number
8,737,572
Issue date
May 27, 2014
AT&T Intellectual Properties, I, L.P.
Thomas J. J. Starr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Assessing gateway quality using audio systems
Patent number
8,599,704
Issue date
Dec 3, 2013
Microsoft Corporation
Kuansan Wang
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Media terminal adapter (MTA) local ringback option
Patent number
8,526,583
Issue date
Sep 3, 2013
James M. Burns
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Providing applets to remote devices in a communications network
Patent number
8,488,476
Issue date
Jul 16, 2013
Verizon Business Global LLC
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for testing and fault isolation in a communica...
Patent number
8,472,327
Issue date
Jun 25, 2013
Verizon Business Global LLC
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for performing EMTA loop diagnostics
Patent number
8,401,152
Issue date
Mar 19, 2013
Arris Group, Inc.
Richard A. Padula
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless diagnostic system
Patent number
8,112,669
Issue date
Feb 7, 2012
Comsonics, Inc.
Dennis A. Zimmerman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Remote access integrated tester
Patent number
7,873,873
Issue date
Jan 18, 2011
Acterna LLC
Paul Marr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for automated double-ended field management of DS...
Patent number
7,778,192
Issue date
Aug 17, 2010
AT&T Intellectual Property I, L.P.
Kapil Shrikhande
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for debugging internet protocol phones
Patent number
7,760,651
Issue date
Jul 20, 2010
Hon Hai Precision Industry Co., Ltd.
Huai-Chih Fan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mechanism for automatically configuring integrated access device fo...
Patent number
7,739,730
Issue date
Jun 15, 2010
Adtran, Inc.
Paul Graves McElroy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for testing and fault isolation in a communica...
Patent number
7,710,888
Issue date
May 4, 2010
Verizon Business Global LLC
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Equivalent working length determinative system for digital subscrib...
Patent number
7,620,154
Issue date
Nov 17, 2009
G. Keith Cambron
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Termination circuit for network interface unit
Patent number
7,609,817
Issue date
Oct 27, 2009
Adtran, Inc.
David E. Jones
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for generating and playing diagnostic messages...
Patent number
7,587,028
Issue date
Sep 8, 2009
Thomson Licensing
Keith Robert Broerman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for testing a subscriber loop-based service
Patent number
7,453,989
Issue date
Nov 18, 2008
AT&T Intellectual Property II, L.P.
Joseph Carbain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Collaborative remote communication circuit diagnostic tool
Patent number
7,400,586
Issue date
Jul 15, 2008
Avaya Technology Corp.
Anthony E. Izundu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for telephone line testing
Patent number
7,336,770
Issue date
Feb 26, 2008
AT&T Knowledge Ventures, L.P.
Thomas J. J. Starr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system endpoint device with integrated call synthesis...
Patent number
7,313,098
Issue date
Dec 25, 2007
Avaya Technology Corp.
Mark J. Bearden
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications devices including test circuits and related circuits...
Patent number
7,298,829
Issue date
Nov 20, 2007
AT&T BLS Intellectual Property, Inc.
Charlie Sawyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for testing a subscriber loop-based service
Patent number
7,200,206
Issue date
Apr 3, 2007
AT&T Corp.
Joseph Carbain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for troubleshooting a security system's telephone...
Patent number
7,174,003
Issue date
Feb 6, 2007
The Chamberlain Group, Inc.
Wayne C. Hom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic, automated double-ended system and method for testing and q...
Patent number
7,149,285
Issue date
Dec 12, 2006
Fluke Corporation
Michael F. Kennedy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loop test apparatus and method
Patent number
7,099,439
Issue date
Aug 29, 2006
ClassCo Inc.
David J. Luneau
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mechanism for automatically configuring integrated access device fo...
Patent number
7,093,289
Issue date
Aug 15, 2006
Adtran, Inc.
Paul Graves McElroy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
FAULT ANALYSIS DEVICE
Publication number
20200267255
Publication date
Aug 20, 2020
British Telecommunications public limited company
Richard GEDGE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENHANCING SINGLE-ENDED LOOP TESTING SIGNALS
Publication number
20160191118
Publication date
Jun 30, 2016
IKANOS COMMUNICATIONS, INC.
Raghunath KALAVAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR TRANSMISSION LINE TESTING
Publication number
20140211926
Publication date
Jul 31, 2014
AT&T INTELLECTUAL PROPERTY I, L.P.
Thomas J.J. Starr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HOME WIRING TEST SYSTEM USING FREQUENCY-BASED MEASUREMENT TECHNIQUES
Publication number
20120307982
Publication date
Dec 6, 2012
Tollgrade Communications, Inc.
Roger Faulkner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HOME WIRING TEST SYSTEM WITH MISSING FILTER DETECTION
Publication number
20120307983
Publication date
Dec 6, 2012
Tollgrade Communications, Inc.
Roger Faulkner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HOME WIRING TEST SYSTEMS AND METHOD
Publication number
20120306895
Publication date
Dec 6, 2012
Tollgrade Communications, Inc.
Roger Faulkner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communications Wiring Noise Level Monitor and Alarm Indicator
Publication number
20120099629
Publication date
Apr 26, 2012
TOLLGRADE COMMUNICATIONS, INC.
Roger Faulkner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Diagnostic System
Publication number
20110055632
Publication date
Mar 3, 2011
Dennis A. Zimmerman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
APPARATUS AND METHOD FOR TESTING AND FAULT ISOLATION IN A COMMUNICA...
Publication number
20100182914
Publication date
Jul 22, 2010
VERIZON BUSINESS GLOBAL LLC
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for remote diagnosis of a device over a communica...
Publication number
20080267169
Publication date
Oct 30, 2008
TEXAS INSTRUMENTS INCORPORATED
Satish Kumar M. Mundra
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Remote Access Integrated Tester
Publication number
20080219335
Publication date
Sep 11, 2008
Acterna LLC
Paul Marr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Assessing gateway quality using audio systems
Publication number
20080177534
Publication date
Jul 24, 2008
Microsoft Corporation
Kuansan Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR DEBUGGING INTERNET PROTOCOL PHONES
Publication number
20080123538
Publication date
May 29, 2008
HON HAI Precision Industry CO., LTD.
HUAI-CHIH FAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Transmission Line Testing
Publication number
20080089400
Publication date
Apr 17, 2008
AT&T Knowledge Ventures, L.P.
Thomas J.J. Starr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MEDIA TERMINAL ADAPTER (MTA) LOCAL RINGBACK OPTION
Publication number
20080080680
Publication date
Apr 3, 2008
James M. Burns
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus to Troubleshoot Voice Over Internet Protocol (...
Publication number
20080057937
Publication date
Mar 6, 2008
Marek Kotelba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR PERFORMING EMTA LOOP DIAGNOSTICS
Publication number
20080043633
Publication date
Feb 21, 2008
Richard A. Padula
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for automated double-ended field management of DS...
Publication number
20070121520
Publication date
May 31, 2007
SBC Knowledge Ventures L.P.
Kapil Shrikhande
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for testing the integrity of a communication cable
Publication number
20070116184
Publication date
May 24, 2007
SBC Knowledge Ventures L.P.
Brian Gonsalves
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for monitoring, controlling and provisioning a te...
Publication number
20060153070
Publication date
Jul 13, 2006
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Error detection and reporting
Publication number
20060143548
Publication date
Jun 29, 2006
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for telephone line testing
Publication number
20060088141
Publication date
Apr 27, 2006
SBC Knowledge Ventues, LP
Thomas J.J. Starr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Providing applets to remote devices in a communications network
Publication number
20050251858
Publication date
Nov 10, 2005
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for testing and fault isolation in a communica...
Publication number
20050220033
Publication date
Oct 6, 2005
MCI, Inc.
Nick DelRegno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Microserver test port retrofit kit
Publication number
20050027826
Publication date
Feb 3, 2005
David C. Loda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and structure for diagnosing problems on a DSL device
Publication number
20040258221
Publication date
Dec 23, 2004
International Business Machines Corporation
Thomas J. Fox
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Telephone test set with attached volt-ohm meter
Publication number
20040223592
Publication date
Nov 11, 2004
Frederick James Diggle
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communications jacks including test circuits and related circuits a...
Publication number
20040221213
Publication date
Nov 4, 2004
Charlie Sawyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communications devices including test circuits and related circuits...
Publication number
20040208294
Publication date
Oct 21, 2004
Charlie Sawyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Collaborative remote communication circuit diagnostic tool
Publication number
20040165533
Publication date
Aug 26, 2004
Anthony E. Izundu
H04 - ELECTRIC COMMUNICATION TECHNIQUE