Interface circuits for subscriber lines

Industry

CPC
H04M3/005

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M3/00Automatic or semi-automatic exchanges

Current Industry

H04M3/005Interface circuits for subscriber lines

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Text message transmission apparatus and method thereof
- Patent number 10,609,215
- Issue date Mar 31, 2020
- Askey Computer Corp.
- Tai-Kuang Chiu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Network telephone device, external connection card and communicatio...
- Patent number 10,362,175
- Issue date Jul 23, 2019
- Wistron Corporation
- Li-Chun Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods, systems and apparatus for selectively distributing urgent...
- Patent number 10,362,468
- Issue date Jul 23, 2019
- CenturyLink Intellectual Property LLC
- Bruce A. Phillips
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods, systems and apparatus for providing video transmissions ov...
- Patent number 10,327,039
- Issue date Jun 18, 2019
- CenturyLink Intellectual Property LLC
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection of a telephone line against overvoltages
- Patent number 10,148,810
- Issue date Dec 4, 2018
- STMicroelectronics (Tours) SAS
- Jean-Michel Simonnet
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Communication systems and methods for using shared channels to incr...
- Patent number 9,742,905
- Issue date Aug 22, 2017
- Adtran, Inc.
- Kevin W. Schneider
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base of cordless digital telephone set, cordless digital telephone...
- Patent number 9,699,293
- Issue date Jul 4, 2017
- Huawei Technologies Co., Ltd.
- Xiaodong Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alert gateway, systems and methods
- Patent number 9,542,830
- Issue date Jan 10, 2017
- Qwest Communications International Inc.
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for optimising electrical consumption of a residential gateway
- Patent number 9,325,859
- Issue date Apr 26, 2016
- Sagemcom Broadband SAS
- Nicolas Dangy-Caye
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 9,143,607
- Issue date Sep 22, 2015
- NEC Platforms, Ltd.
- Yasuomi Ohki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting utility usage data via a network interface device
- Patent number 9,130,898
- Issue date Sep 8, 2015
- Qwest Communications International Inc.
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 9,042,529
- Issue date May 26, 2015
- NEC Platforms, Ltd.
- Yasuomi Ohki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication line testing with protective devices in place
- Patent number 8,995,623
- Issue date Mar 31, 2015
- Lantiq Deutschland GmbH
- Gerhard Noessing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for controlling a user device in a telecommunic...
- Patent number 8,983,049
- Issue date Mar 17, 2015
- Metaswitch Networks Ltd
- David Matthew Drysdale
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for checking the connection of a positive supply...
- Patent number 8,948,347
- Issue date Feb 3, 2015
- Nokia Siemens Networks GmbH & Co. KG
- Heike Diegel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, circuits and methods for dual transformer duplexing
- Patent number 8,811,599
- Issue date Aug 19, 2014
- NetLogic Microsystems, Inc.
- Joseph N. Babanezhad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Serial protocol for agile sample rate switching
- Patent number 8,761,236
- Issue date Jun 24, 2014
- Agere Systems LLC
- King-Hon Lau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
POTS extender for voice fallback in a subscriber line
- Patent number 8,724,482
- Issue date May 13, 2014
- Wi-Lan, Inc.
- Jeffrey Wissing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for providing television signals using a networ...
- Patent number 8,713,617
- Issue date Apr 29, 2014
- Qwest Communications International Inc.
- Bruce A. Phillips
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shared protection scheme for multiple variable batteries
- Patent number 8,705,728
- Issue date Apr 22, 2014
- Microsemi Semiconductor (U.S.) Inc.
- Qiangsheng Charssen Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for replacing a network interface device
- Patent number 8,655,979
- Issue date Feb 18, 2014
- Qwest Communications International Inc.
- Bruce A. Phillips
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods, systems and apparatus for selectively distributing urgent...
- Patent number 8,490,129
- Issue date Jul 16, 2013
- Qwest Communications International Inc.
- Bruce A. Phillips
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system for VoIP using an internet protocol converter
- Patent number 8,446,901
- Issue date May 21, 2013
- SHOO 533 Limited
- Jose Luis Merino Gonzalez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Continuous power transfer scheme for two-wire serial link
- Patent number 8,442,212
- Issue date May 14, 2013
- Agere Systems LLC
- Johannes G. Ransijn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for shared positive protection
- Patent number 8,442,213
- Issue date May 14, 2013
- Microsemi Semiconductor (U.S.) Inc.
- Qiangsheng Charssen Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus
- Patent number 8,422,639
- Issue date Apr 16, 2013
- Brother Kogyo Kabushiki Kaisha
- Shozo Kabeya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Overvoltage protection with power sink
- Patent number 8,406,417
- Issue date Mar 26, 2013
- Microsemi Semiconductor (U.S.) Inc.
- Qiangsheng Charssen Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling ringing voltage
- Patent number 8,379,839
- Issue date Feb 19, 2013
- Microsemi Semiconductor (U.S.) Inc.
- Yadunandan Nagarajaiah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for ringing
- Patent number 8,369,510
- Issue date Feb 5, 2013
- Microsemi Semiconductor (U.S.) Inc.
- Merle L. Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting ring trip precursors
- Patent number 8,325,908
- Issue date Dec 4, 2012
- Microsemi Semiconductor (U.S.) Inc.
- Yadunandan Nagarajaiah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NETWORK TELEPHONE DEVICE, EXTERNAL CONNECTION CARD AND COMMUNICATIO...
- Publication number 20180309877
- Publication date Oct 25, 2018
- Wistron Corporation
- Li-Chun Lu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROTECTION OF A TELEPHONE LINE AGAINST OVERVOLTAGES
- Publication number 20170019526
- Publication date Jan 19, 2017
- STMicroelectronics (Tours) SAS
- Jean-Michel Simonnet
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Base of Cordless Digital Telephone Set, Cordless Digital Telephone...
- Publication number 20160344857
- Publication date Nov 24, 2016
- HUAWEI DEVICE CO., LTD.
- Xiaodong Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmitting Utility Usage Data via a Network Interface Device
- Publication number 20150333794
- Publication date Nov 19, 2015
- Qwest Communications International Inc.
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR VECTORING ADSL2 LINES
- Publication number 20150104001
- Publication date Apr 16, 2015
- IKANOS COMMUNICATIONS, INC.
- Murli Mohan RAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR OPTIMISING ELECTRICAL CONSUMPTION OF A RESIDENTIAL GATEWAY
- Publication number 20140355753
- Publication date Dec 4, 2014
- SAGEMCOM BROADBAND SAS
- Nicolas Dangy-Caye
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods, Systems and Apparatus for Providing Video Transmissions ov...
- Publication number 20140325570
- Publication date Oct 30, 2014
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Serial Protocol for Agile Sample Rate Switching
- Publication number 20140270122
- Publication date Sep 18, 2014
- Agere Systems LLC
- King-Hon Lau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication System
- Publication number 20140079203
- Publication date Mar 20, 2014
- Metaswitch Networks Ltd.
- David Matthew Drysdale
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods, Systems and Apparatus for Selectively Distributing Urgent...
- Publication number 20130273962
- Publication date Oct 17, 2013
- Bruce A. Phillips
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM THAT ENABLES A CALLING PARTY TO COMMUNICATE WITH A CALLED PA...
- Publication number 20130259029
- Publication date Oct 3, 2013
- Shoo 533 Limited
- Jose Luis MERINO GONZALEZ
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Continuous Power Transfer Scheme for Two-Wire Serial Wire
- Publication number 20130251140
- Publication date Sep 26, 2013
- Agere Systems LLC
- Johannes G. Ransijn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20130182833
- Publication date Jul 18, 2013
- Yasuomi OHKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION LINE TESTING WITH PROTECTIVE DEVICES IN PLACE
- Publication number 20130027055
- Publication date Jan 31, 2013
- Gerhard Noessing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POTS EXTENDER FOR VOICE FALLBACK IN A SUBSCRIBER LINE
- Publication number 20120287925
- Publication date Nov 15, 2012
- WI-LAN, INC.
- Jeffrey Wissing
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Serial Protocol for Agile Sample Rate Switching
- Publication number 20120195354
- Publication date Aug 2, 2012
- Agere Systems Inc.
- King-Hon Lau
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SHARED PROTECTION SCHEME FOR MULTIPLE VARIABLE BATTERIES
- Publication number 20120069990
- Publication date Mar 22, 2012
- Qiangsheng Charssen Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Alert Gateway, Systems and Methods
- Publication number 20120013451
- Publication date Jan 19, 2012
- Qwest Communications International Inc.
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Continuous Power Transfer Scheme for Two-Wire Serial Link
- Publication number 20110222682
- Publication date Sep 15, 2011
- Agere Systems Inc.
- Johannes G. Ransijn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENHANCED CMTS FOR RELIABILITY, AVAILABILITY, AND SERVICEABILITY
- Publication number 20110200055
- Publication date Aug 18, 2011
- Juniper Networks, Inc.
- Valentino LIVA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR SHARED POSITIVE PROTECTION
- Publication number 20110051925
- Publication date Mar 3, 2011
- Qiangsheng Charssen Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OVERVOLTAGE PROTECTION WITH POWER SINK
- Publication number 20110051926
- Publication date Mar 3, 2011
- Qiangsheng Charssen Ge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR DETECTING RING TRIP PRECURSORS
- Publication number 20110033031
- Publication date Feb 10, 2011
- Yadunandan Nagarajaiah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR CONTROLLING RINGING VOLTAGE
- Publication number 20110033039
- Publication date Feb 10, 2011
- Yadunandan Nagarajaiah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems, Circuits and Methods for Dual Transformer Duplexing
- Publication number 20110019598
- Publication date Jan 27, 2011
- Joseph N. Babanezhad
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR RINGING
- Publication number 20110007890
- Publication date Jan 13, 2011
- Merle L. Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHONE AND METHOD FOR REDUCING NOISE IN A SUBSCRIBER LINE INTERFACE...
- Publication number 20100322389
- Publication date Dec 23, 2010
- HON HAI Precision Industry CO., LTD.
- JIA-XUAN HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOIP DEVICE AND METHOD FOR ADJUSTING INTERRUPT TIME THEREOF
- Publication number 20100322231
- Publication date Dec 23, 2010
- HON HAI Precision Industry CO., LTD.
- CHENG-CHIH KUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and Methods for Integrating Microservers with a Network Int...
- Publication number 20100299407
- Publication date Nov 25, 2010
- Qwest Communications International Inc.
- Steven M. Casey
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Systems and Methods for Controlled Transmittance in a Telecommunica...
- Publication number 20100293599
- Publication date Nov 18, 2010
- Qwest Communications International Inc.
- Steven M. Casey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Interface circuits for subscriber lines

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Text message transmission apparatus and method thereof

Network telephone device, external connection card and communicatio...

Methods, systems and apparatus for selectively distributing urgent...

Methods, systems and apparatus for providing video transmissions ov...

Protection of a telephone line against overvoltages

Communication systems and methods for using shared channels to incr...

Base of cordless digital telephone set, cordless digital telephone...

Alert gateway, systems and methods

Method for optimising electrical consumption of a residential gateway

Communication system

Transmitting utility usage data via a network interface device

Communication system

Communication line testing with protective devices in place

Methods and systems for controlling a user device in a telecommunic...

Method and device for checking the connection of a positive supply...

Systems, circuits and methods for dual transformer duplexing

Serial protocol for agile sample rate switching

POTS extender for voice fallback in a subscriber line

Systems and methods for providing television signals using a networ...

Shared protection scheme for multiple variable batteries

Method for replacing a network interface device

Methods, systems and apparatus for selectively distributing urgent...

Communication system for VoIP using an internet protocol converter

Continuous power transfer scheme for two-wire serial link

Method and apparatus for shared positive protection

Communication apparatus

Overvoltage protection with power sink

Method and apparatus for controlling ringing voltage

Method and apparatus for ringing

Method and apparatus for detecting ring trip precursors

Patents Applicationslast 30 patents

NETWORK TELEPHONE DEVICE, EXTERNAL CONNECTION CARD AND COMMUNICATIO...

PROTECTION OF A TELEPHONE LINE AGAINST OVERVOLTAGES

Base of Cordless Digital Telephone Set, Cordless Digital Telephone...

Transmitting Utility Usage Data via a Network Interface Device

METHOD AND APPARATUS FOR VECTORING ADSL2 LINES

METHOD FOR OPTIMISING ELECTRICAL CONSUMPTION OF A RESIDENTIAL GATEWAY

Methods, Systems and Apparatus for Providing Video Transmissions ov...

Serial Protocol for Agile Sample Rate Switching

Communication System

Methods, Systems and Apparatus for Selectively Distributing Urgent...

SYSTEM THAT ENABLES A CALLING PARTY TO COMMUNICATE WITH A CALLED PA...

Continuous Power Transfer Scheme for Two-Wire Serial Wire

COMMUNICATION SYSTEM

COMMUNICATION LINE TESTING WITH PROTECTIVE DEVICES IN PLACE

POTS EXTENDER FOR VOICE FALLBACK IN A SUBSCRIBER LINE

Serial Protocol for Agile Sample Rate Switching

SHARED PROTECTION SCHEME FOR MULTIPLE VARIABLE BATTERIES

Alert Gateway, Systems and Methods

Continuous Power Transfer Scheme for Two-Wire Serial Link

ENHANCED CMTS FOR RELIABILITY, AVAILABILITY, AND SERVICEABILITY

METHOD AND APPARATUS FOR SHARED POSITIVE PROTECTION

OVERVOLTAGE PROTECTION WITH POWER SINK

METHOD AND APPARATUS FOR DETECTING RING TRIP PRECURSORS

METHOD AND APPARATUS FOR CONTROLLING RINGING VOLTAGE

Systems, Circuits and Methods for Dual Transformer Duplexing

METHOD AND APPARATUS FOR RINGING

PHONE AND METHOD FOR REDUCING NOISE IN A SUBSCRIBER LINE INTERFACE...

VOIP DEVICE AND METHOD FOR ADJUSTING INTERRUPT TIME THEREOF

Systems and Methods for Integrating Microservers with a Network Int...

Systems and Methods for Controlled Transmittance in a Telecommunica...