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H04M1/80
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H
ELECTRICITY
H04
Electric communication
H04M
TELEPHONIC COMMUNICATION
H04M1/00
Substation equipment
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H04M1/80
Telephone line holding circuits
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Patents Grants
last 30 patents
Information
Patent Grant
Protecting user data during audio interactions
Patent number
11,349,983
Issue date
May 31, 2022
AT&T Intellectual Property I, L.P.
Joseph Soryal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for enabling a universal back-cover wireless ch...
Patent number
10,128,689
Issue date
Nov 13, 2018
Sumukh Ashok Shevde
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for enabling a universal back-cover wireless ch...
Patent number
9,490,653
Issue date
Nov 8, 2016
QUALCOMM Incorporated
Sumukh Ashok Shevde
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Remotely activated on-hold circuit
Patent number
9,137,356
Issue date
Sep 15, 2015
Scott Holmes Stapleford
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for playing a personalized clip
Patent number
8,467,501
Issue date
Jun 18, 2013
Alcatel Lucent
Jacques Litteaut
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
IP telephone system having a hold function and a callback function
Patent number
7,471,673
Issue date
Dec 30, 2008
Oki Electric Industry Co., Ltd.
Hideki Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for using telephony controls on a personal computer
Patent number
7,440,556
Issue date
Oct 21, 2008
Microsoft Corporation
Eric Gould Bear
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of and apparatus wherein a telephone user on hold is not req...
Patent number
7,136,479
Issue date
Nov 14, 2006
Koninklijke Philips Electronics N.V.
Srinivas Gutta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
DC holding circuit
Patent number
6,968,055
Issue date
Nov 22, 2005
Silicon Laboratories Inc.
Timothy J. Dupuis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone terminal apparatus and method
Patent number
6,940,968
Issue date
Sep 6, 2005
SBC Properties, L.P.
Marc Ira Lipton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for off-hook management of plural subscriber p...
Patent number
6,853,725
Issue date
Feb 8, 2005
Hubbell Incorporated
Dmitry Levitan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method to provide control of music on hold to the hold p...
Patent number
6,694,012
Issue date
Feb 17, 2004
Lucent Technologies Inc.
Carl Robert Posthuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
On-hold messaging system and method
Patent number
6,687,352
Issue date
Feb 3, 2004
Joey C. Hazenfield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for providing music-on-hold service in key tel...
Patent number
6,490,346
Issue date
Dec 3, 2002
Samsung Electronics Co., Ltd.
Tae-Gyu Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call related information receiver unit
Patent number
6,366,670
Issue date
Apr 2, 2002
Agere Systems Guardian Corp.
Paul Joseph Davis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call waiting-caller identification notification device
Patent number
6,317,488
Issue date
Nov 13, 2001
Notify Corporation
Paul F. DePond
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hold-off alert system
Patent number
6,301,346
Issue date
Oct 9, 2001
Issac Michael Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
On-hold messaging system and method
Patent number
6,272,211
Issue date
Aug 7, 2001
Joey C. Hazenfield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone handset off switchhook and call holding alert system
Patent number
6,201,855
Issue date
Mar 13, 2001
Honeywell International Inc.
Dennis M. Kennedy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone hold circuit
Patent number
6,157,713
Issue date
Dec 5, 2000
Industrial Technology Research Institute
Chyi-Chang Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Intelligent multifunction device for analog telephone subscriber lo...
Patent number
6,128,375
Issue date
Oct 3, 2000
Edilberto Abad Punzalan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone terminal apparatus and method
Patent number
5,991,398
Issue date
Nov 23, 1999
Ameritech Corporation
Marc Ira Lipton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
On-hold messaging system and method
Patent number
5,920,616
Issue date
Jul 6, 1999
Joey C. Hazenfield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
On-hold messaging system and method
Patent number
5,870,461
Issue date
Feb 9, 1999
Joey C. Hazenfield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automated telephone hold device
Patent number
5,822,403
Issue date
Oct 13, 1998
James Rowan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber equipment muting method and apparatus
Patent number
5,805,687
Issue date
Sep 8, 1998
Northern Telecom Limited
David Jeffrey Westergaard
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone having a hold function
Patent number
5,784,458
Issue date
Jul 21, 1998
Sony Corporation
Shizuo Adachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of producing signals commonly used with telephones
Patent number
5,636,270
Issue date
Jun 3, 1997
Melville G. Davey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Parallel phone detection circuit
Patent number
5,394,465
Issue date
Feb 28, 1995
SGS-Thomson Microelectronics, Pte Ltd.
Sung J. Jo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Push-button telephone dialing device with telephone hold function c...
Patent number
5,285,495
Issue date
Feb 8, 1994
Winbond Electronic Corp.
Jui-Kuang Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PROTECTING USER DATA DURING AUDIO INTERACTIONS
Publication number
20220294899
Publication date
Sep 15, 2022
AT&T INTELLECTUAL PROPERTY I, L.P.
Joseph Soryal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROTECTING USER DATA DURING AUDIO INTERACTIONS
Publication number
20220006898
Publication date
Jan 6, 2022
AT&T INTELLECTUAL PROPERTY I, L.P.
Joseph Soryal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Remotely Activated On-Hold Circuit
Publication number
20110085651
Publication date
Apr 14, 2011
Scott Holmes Stapleford
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System, Method, and Device for Playing Music During Conversation Su...
Publication number
20090046838
Publication date
Feb 19, 2009
Sony Ericsson Mobile Communications AB
Markus Mans Folke Andreasson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for playing a personalized clip
Publication number
20070121922
Publication date
May 31, 2007
ALCATEL
Jacques Litteaut
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Hold on telephony feature
Publication number
20070099651
Publication date
May 3, 2007
Nortel Networks Limited
Timothy John Strasser
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ON-HOLD MESSAGE SYSTEM WITH FLASH MEMORY DRIVE
Publication number
20070067546
Publication date
Mar 22, 2007
Michael D. Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
User-selectable music-on-hold for a communications device
Publication number
20070038443
Publication date
Feb 15, 2007
Broadcom Corporation
Jes Thyssen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IP telephone system having a hold function and a callback function
Publication number
20060251231
Publication date
Nov 9, 2006
Oki Electric Industry Co., Ltd.
Hideki Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Music on hold device
Publication number
20060126807
Publication date
Jun 15, 2006
Robert P. Weil
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and method for using telephony controls on a personal computer
Publication number
20050069101
Publication date
Mar 31, 2005
Microsoft Corporation
Eric Gould Bear
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for providing conference feature between internet...
Publication number
20040028202
Publication date
Feb 12, 2004
Jung-Ouk Lim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of and apparatus wherein a telephone user on hold is not req...
Publication number
20030235289
Publication date
Dec 25, 2003
Koninklijke Philips Electronics N.V.
Srinivas Gutta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for off-hook management of plural subscriber p...
Publication number
20020176568
Publication date
Nov 28, 2002
Dmitry Levitan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
On-hold messaging system and method
Publication number
20020054668
Publication date
May 9, 2002
Joey C. Hazenfield
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR PROVIDING MUSIC-ON-HOLD SERVICE IN KEY TEL...
Publication number
20010043692
Publication date
Nov 22, 2001
SAMSUNG ELECTRONICS CO., LTD.
TAE-GYU LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE