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Signalling existence of persistent "off-hook" condition
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H04M3/14
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H
ELECTRICITY
H04
Electric communication
H04M
TELEPHONIC COMMUNICATION
H04M3/00
Automatic or semi-automatic exchanges
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H04M3/14
Signalling existence of persistent "off-hook" condition
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last 30 patents
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Patent Grant
Bandwidth control method and apparatus, and device
Patent number
11,546,644
Issue date
Jan 3, 2023
Huawei Technolgoies Co., Ltd.
Xianyin Xin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Gateway and method for managing VoIP telephone service
Patent number
11,363,134
Issue date
Jun 14, 2022
ORANGE
Bertrand Bouvet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Method for using automatic communication management, method and dev...
Patent number
11,108,904
Issue date
Aug 31, 2021
Orange
Olivier Roussel-Galle
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Voice over internet protocol processing method and related network...
Patent number
11,070,665
Issue date
Jul 20, 2021
Huawei Technologies Co., Ltd.
Erli Ma
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Reverse power feeding power sourcing equipment and method
Patent number
10,340,977
Issue date
Jul 2, 2019
Microsemi P.O.E. Ltd.
Arkadiy Peker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reverse power feeding power sourcing equipment and method
Patent number
9,893,763
Issue date
Feb 13, 2018
Microsemi P.O.E. Ltd.
Arkadiy Peker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and control method for the same
Patent number
9,560,181
Issue date
Jan 31, 2017
Canon Kabushiki Kaisha
Daiki Kadomatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for detection of off-hook phone in reverse pow...
Patent number
9,374,452
Issue date
Jun 21, 2016
Microsemi Corporation
Arkadiy Peker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and method with off-hook detection and powe...
Patent number
9,100,499
Issue date
Aug 4, 2015
Canon Kabushiki Kaisha
Shigeru Koizumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for non-disruptive telecommunication loop cond...
Patent number
8,787,557
Issue date
Jul 22, 2014
Agere Systems LLC
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for identifying and removing stale connections on...
Patent number
8,761,367
Issue date
Jun 24, 2014
ARRIS Enterprises, Inc.
William C. Hare
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Test systems and methods for extended off-hook conditions on a subs...
Patent number
8,451,980
Issue date
May 28, 2013
Alcatel Lucent
Keith C. Anderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for non-disruptive telecommunication loop cond...
Patent number
8,437,467
Issue date
May 7, 2013
Agere Systems LLC
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for non-disruptive telecommunication loop cond...
Patent number
7,995,743
Issue date
Aug 9, 2011
Agere Systems Inc.
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for non-disruptive telecommunication loop cond...
Patent number
7,113,587
Issue date
Sep 26, 2006
Agere Systems Inc.
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Off-hook notifier
Patent number
7,103,159
Issue date
Sep 5, 2006
International Business Machines Corporation
Shailesh B. Gandhi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for recognizing an off-hook condition on a single subscriber...
Patent number
6,934,382
Issue date
Aug 23, 2005
Siemens Aktiengesellschaft
Paul Kunisch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reducing false hook detection
Patent number
6,930,751
Issue date
Aug 16, 2005
Legerity, Inc.
Jin Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for detecting an off-hook condition
Patent number
6,590,973
Issue date
Jul 8, 2003
Catena Networks, Inc.
Martin Bijman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extended off-hook notification via electronic communications
Patent number
6,453,017
Issue date
Sep 17, 2002
Agere Systems Guardian Corp.
Joseph M. Cannon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for releasing call in cordless telephone
Patent number
6,035,204
Issue date
Mar 7, 2000
Samsung Electronics Co., Ltd.
Eui-Jae Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for automatically recovering speech path of telephone ter...
Patent number
5,987,119
Issue date
Nov 16, 1999
Samsung Electronics Co., Ltd.
Seog-Geun Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal-processing method and system for off-hook notification
Patent number
5,978,470
Issue date
Nov 2, 1999
Siemens Information and Communications Networks, Inc.
Shmuel Shaffer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Off-hook telephone clearing system
Patent number
5,764,752
Issue date
Jun 9, 1998
South Tech Instruments, Inc.
Tyler E. Waite
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Off-hook disconnect and reconnect ringer device
Patent number
5,612,997
Issue date
Mar 18, 1997
Kenneth M. Vallelonga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for automatically returning a telephone set to...
Patent number
5,606,593
Issue date
Feb 25, 1997
Lucent Technologies Inc.
David B. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone inadvertent off-hook condition detector
Patent number
5,592,529
Issue date
Jan 7, 1997
International Business Machines Corporation
Ralph Linsker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver device for receiving ringing signals in an off-hook line c...
Patent number
5,390,249
Issue date
Feb 14, 1995
Chung H. Park
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for servicing telephones from a remote location
Patent number
5,065,424
Issue date
Nov 12, 1991
Arthur O. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone accessory
Patent number
4,998,271
Issue date
Mar 5, 1991
Venture Technologies, Inc.
Angelo Tortola
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Bandwidth Control Method and Apparatus, and Device
Publication number
20200029110
Publication date
Jan 23, 2020
Huawei Technologies Co., Ltd
Xianyin Xin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
GATEWAY AND METHOD FOR MANAGING VOIP TELEPHONE SERVICE
Publication number
20190394327
Publication date
Dec 26, 2019
ORANGE
Bertrand Bouvet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VOICE OVER INTERNET PROTOCOL PROCESSING METHOD AND RELATED NETWORK...
Publication number
20190379785
Publication date
Dec 12, 2019
Huawei Technologies Co., Ltd
Erli MA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
REVERSE POWER FEEDING POWER SOURCING EQUIPMENT AND METHOD
Publication number
20190036567
Publication date
Jan 31, 2019
Microsemi P.O.E Ltd.
Arkadiy PEKER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR USING AUTOMATIC COMMUNICATION MANAGEMENT, METHOD AND DEV...
Publication number
20180097924
Publication date
Apr 5, 2018
ORANGE
Olivier Roussel-Galle
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
REVERSE POWER FEEDING POWER SOURCING EQUIPMENT AND METHOD
Publication number
20180006683
Publication date
Jan 4, 2018
Microsemi P.O.E Ltd.
Arkadiy PEKER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS AND CONTROL METHOD FOR THE SAME
Publication number
20160191685
Publication date
Jun 30, 2016
Canon Kabushiki Kaisha
Daiki Kadomatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR DETECTION OF OFF-HOOK PHONE IN REVERSE POW...
Publication number
20150334226
Publication date
Nov 19, 2015
MICROSEMI CORPORATION
Arkadiy PEKER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS, METHOD OF CONTROLLING THE SAME AND STORAGE...
Publication number
20140369490
Publication date
Dec 18, 2014
Canon Kabushiki Kaisha
Shigeru Koizumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Non-Disruptive Telecommunication Loop Cond...
Publication number
20130236003
Publication date
Sep 12, 2013
Agere Systems LLC
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION DEVICE, STORAGE MEDIUM AND METHOD FOR AVOIDING UNFINI...
Publication number
20120302214
Publication date
Nov 29, 2012
CHI MEI COMMUNICATION SYSTEMS, INC.
JUN LI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Non-Disruptive Telecommunication Loop Cond...
Publication number
20110274266
Publication date
Nov 10, 2011
Agere Systems Inc.
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TEST SYSTEMS AND METHODS FOR EXTENDED OFF-HOOK CONDITIONS ON A SUBS...
Publication number
20090323901
Publication date
Dec 31, 2009
Keith C. Anderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for identifying and removing stale connections on...
Publication number
20080159523
Publication date
Jul 3, 2008
William C. Hare, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR NON-DISRUPTIVE TELECOMMUNICATION LOOP COND...
Publication number
20070121907
Publication date
May 31, 2007
Agere Systems Inc.
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for enabling the network to disconnect uninten...
Publication number
20060140171
Publication date
Jun 29, 2006
Marian Croak
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Off-hook notifier
Publication number
20050123126
Publication date
Jun 9, 2005
International Business Machines Corporation
Shailesh B. Gandhi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device for automatically opening a customer loop in a telecommunica...
Publication number
20050018835
Publication date
Jan 27, 2005
Didier Neveux
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for reducing false hook detection
Publication number
20040202310
Publication date
Oct 14, 2004
Jin Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE