Interface circuits for coupling substations to external telephone lines

Industry

CPC
H04M1/738

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/738Interface circuits for coupling substations to external telephone lines

Industries

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Patents Grantslast 30 patents

Information Patent Grant
VoIP analog telephone system
- Patent number 11,949,819
- Issue date Apr 2, 2024
- NT IP Holdings, LLC
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VoIP analog telephone system
- Patent number 11,595,530
- Issue date Feb 28, 2023
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephony terminal
- Patent number 11,363,127
- Issue date Jun 14, 2022
- Callahan Cellular L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless earphone capable of voice communication
- Patent number 11,095,764
- Issue date Aug 17, 2021
- Sangmyung University Industry-Academy Cooperation Foundation
- Bo Hyun Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephony terminal
- Patent number 11,025,763
- Issue date Jun 1, 2021
- Callahan Cellular L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile-cordless phone systems
- Patent number 10,992,794
- Issue date Apr 27, 2021
- Margarita Moore
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
VoIP analog telephone system
- Patent number 10,931,828
- Issue date Feb 23, 2021
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephony terminal
- Patent number 10,609,195
- Issue date Mar 31, 2020
- Callahan Cellular L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VoIP analog telephone system
- Patent number 10,326,887
- Issue date Jun 18, 2019
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephony terminal
- Patent number 10,148,802
- Issue date Dec 4, 2018
- Callahan Cellular L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VoIP analog telephone system
- Patent number 9,667,800
- Issue date May 30, 2017
- NetTalk.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VoIP line seizure system and method
- Patent number 9,621,734
- Issue date Apr 11, 2017
- Robert Bosch GmbH
- Dennis Michael Petricoin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VOIP analog telephone system
- Patent number 9,491,304
- Issue date Nov 8, 2016
- NetTalk.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephony terminal
- Patent number 9,420,110
- Issue date Aug 16, 2016
- Callahan Cellular L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile terminal
- Patent number 9,148,909
- Issue date Sep 29, 2015
- ZTE Corporation
- Xiguang Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications device for a wireless and land-line network
- Patent number 9,125,227
- Issue date Sep 1, 2015
- Verizon New York Inc.
- Shroeder Prudent
- 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
System and method for effecting prearranged notification following...
- Patent number 9,088,648
- Issue date Jul 21, 2015
- West Corporation
- Monica Ann Marics
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for waking up remote devices
- Patent number 9,058,169
- Issue date Jun 16, 2015
- Nanjing University
- Xiangning Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Serial digital interface between an RF transceiver and a baseband chip
- Patent number 9,059,779
- Issue date Jun 16, 2015
- Aviacomm Inc.
- Tao Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio processing apparatus
- Patent number 9,031,211
- Issue date May 12, 2015
- Lantiq Beteiligungs-GmbH & Co. KG
- Gerfried Krampl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for providing telephony and data services
- Patent number 9,025,744
- Issue date May 5, 2015
- British Telecommunications public limited company
- Leslie Derek Humphrey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for providing telephony and data services
- Patent number 9,001,974
- Issue date Apr 7, 2015
- British Telecommunications public limited company
- Leslie Derek Humphrey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone interface
- Patent number 8,983,059
- Issue date Mar 17, 2015
- Bruce H. Turner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone switch, call pick-up method therefor, call pick-up progra...
- Patent number 8,923,848
- Issue date Dec 30, 2014
- NEC Corporation
- Yasuhito Futamase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus
- Patent number 8,811,584
- Issue date Aug 19, 2014
- Ricoh Company, Limited
- Akihiro Hamamichi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Customer premises equipment telephone device providing advanced med...
- Patent number 8,798,243
- Issue date Aug 5, 2014
- Motorola Mobility LLC
- Christopher J. Cotignola
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for adjusting line interface level to compensate...
- Patent number 8,792,634
- Issue date Jul 29, 2014
- ARRIS Enterprises, Inc.
- Wade Carter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile terminal with the function of wired communication
- Patent number 8,744,517
- Issue date Jun 3, 2014
- ZTE Corporation
- Xiguang Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Separation device and method for transmitting voice signal
- Patent number 8,537,809
- Issue date Sep 17, 2013
- Huawei Technologies Co., Ltd.
- Ke Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
VoIP Analog Telephone System
- Publication number 20230216966
- Publication date Jul 6, 2023
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONY TERMINAL
- Publication number 20210281671
- Publication date Sep 9, 2021
- CALLAHAN CELLULAR L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS EARPHONE CAPABLE OF VOICE COMMUNICATION
- Publication number 20210258415
- Publication date Aug 19, 2021
- SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
- Bo Hyun HAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VoIP Analog Telephone System
- Publication number 20210176362
- Publication date Jun 10, 2021
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONY TERMINAL
- Publication number 20200195767
- Publication date Jun 18, 2020
- CALLAHAN CELLULAR L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VoIP Analog Telephone System
- Publication number 20190306323
- Publication date Oct 3, 2019
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONY TERMINAL
- Publication number 20190182372
- Publication date Jun 13, 2019
- CALLAHAN CELLULAR L.L.C.
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE-CORDLESS PHONE SYSTEMS
- Publication number 20180213076
- Publication date Jul 26, 2018
- Margarita Moore
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VoIP Analog Telephone System
- Publication number 20170331958
- Publication date Nov 16, 2017
- NetTALK.com, Inc.
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONY TERMINAL
- Publication number 20160352880
- Publication date Dec 1, 2016
- CALLAHAN CELLULAR L.L.C.
- Satoru Yukie
- 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
TELEPHONE INTERFACE
- Publication number 20140241521
- Publication date Aug 28, 2014
- Bruce H. Turner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONY TERMINAL
- Publication number 20140169364
- Publication date Jun 19, 2014
- WOLKOSISKI MGMT. LLC
- Satoru Yukie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERIAL DIGITAL INTERFACE BETWEEN AN RF TRANSCEIVER AND A BASEBAND CHIP
- Publication number 20140146861
- Publication date May 29, 2014
- Aviacomm Inc.
- Tao Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONE SWITCH, CALL PICK-UP METHOD THEREFOR, CALL PICK-UP PROGRA...
- Publication number 20140141771
- Publication date May 22, 2014
- NEC INFRONTIA CORPORATION
- Yasuhito Futamase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR PROVIDING TELEPHONY AND DATA SERVICES
- Publication number 20130251114
- Publication date Sep 26, 2013
- British Telecommunications plc.
- Leslie Derek Humphrey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR WAKING UP REMOTE DEVICES
- Publication number 20130219204
- Publication date Aug 22, 2013
- NANJING UNIVERSITY
- Xiangning Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR ENABLING ACCESS TO EMERGENCY SERVICES
- Publication number 20130188526
- Publication date Jul 25, 2013
- THOMSON LICENSING
- Steven Lee Cooper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR PROVIDING AUTOMATIC DETERMINATION OF A CALL T...
- Publication number 20130182703
- Publication date Jul 18, 2013
- THOMSON LICENSING
- Steven Lee Cooper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE TERMINAL
- Publication number 20130178171
- Publication date Jul 11, 2013
- ZTE CORPORATION
- Xiguang Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOIP ANALOG TELEPHONE SYSTEM WITH CONNECTION TO HOME MONITORING SYSTEM
- Publication number 20130163490
- Publication date Jun 27, 2013
- Mark F. Rodriguez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR PROVIDING TELEPHONY AND DATA SERVICES
- Publication number 20130163732
- Publication date Jun 27, 2013
- British Telecommunications public limited company
- Leslie Derek Humphrey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DOCKING DEVICE WITH TELEPHONE EXCHANGE FUNCTION
- Publication number 20130150025
- Publication date Jun 13, 2013
- LITE-ON TECHNOLOGY CORP.
- HSIAO-CHUNG CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20130148799
- Publication date Jun 13, 2013
- Akihiro HAMAMICHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication System in a Package Formed on a Metal Microstructure
- Publication number 20130089199
- Publication date Apr 11, 2013
- ZARLINK SEMICONDUCTOR (U.S.) INC.
- Gilbert A. Amine
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE TERMINAL
- Publication number 20120295659
- Publication date Nov 22, 2012
- ZTE Corporation
- Xiguang Liang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR EFFECTING PREARRANGED NOTIFICATION FOLLOWING...
- Publication number 20120275590
- Publication date Nov 1, 2012
- West Corporation
- Monica Ann Marics
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS, POWER CONTROL METHOD THEREOF, AND COMPUTER...
- Publication number 20120254639
- Publication date Oct 4, 2012
- Koichi Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CORDLESS TELEPHONE SYSTEM
- Publication number 20120220318
- Publication date Aug 30, 2012
- HON HAI Precision Industry CO., LTD.
- JIAN LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STATIONARY WIRELESS TERMINAL AND SWITCHING METHOD FOR AUTOMATICALLY...
- Publication number 20120220303
- Publication date Aug 30, 2012
- ZTE CORPORATION
- Feng Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Interface circuits for coupling substations to external telephone lines

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

VoIP analog telephone system

VoIP analog telephone system

Telephony terminal

Wireless earphone capable of voice communication

Telephony terminal

Mobile-cordless phone systems

VoIP analog telephone system

Telephony terminal

VoIP analog telephone system

Telephony terminal

VoIP analog telephone system

VoIP line seizure system and method

VOIP analog telephone system

Telephony terminal

Mobile terminal

Communications device for a wireless and land-line network

Communication apparatus and method with off-hook detection and powe...

System and method for effecting prearranged notification following...

Method and system for waking up remote devices

Serial digital interface between an RF transceiver and a baseband chip

Audio processing apparatus

System for providing telephony and data services

System for providing telephony and data services

Telephone interface

Telephone switch, call pick-up method therefor, call pick-up progra...

Communication apparatus

Customer premises equipment telephone device providing advanced med...

Method and system for adjusting line interface level to compensate...

Mobile terminal with the function of wired communication

Separation device and method for transmitting voice signal

Patents Applicationslast 30 patents

VoIP Analog Telephone System

TELEPHONY TERMINAL

WIRELESS EARPHONE CAPABLE OF VOICE COMMUNICATION

VoIP Analog Telephone System

TELEPHONY TERMINAL

VoIP Analog Telephone System

TELEPHONY TERMINAL

MOBILE-CORDLESS PHONE SYSTEMS

VoIP Analog Telephone System

TELEPHONY TERMINAL

COMMUNICATION APPARATUS, METHOD OF CONTROLLING THE SAME AND STORAGE...

TELEPHONE INTERFACE

TELEPHONY TERMINAL

SERIAL DIGITAL INTERFACE BETWEEN AN RF TRANSCEIVER AND A BASEBAND CHIP

TELEPHONE SWITCH, CALL PICK-UP METHOD THEREFOR, CALL PICK-UP PROGRA...

SYSTEM FOR PROVIDING TELEPHONY AND DATA SERVICES

METHOD AND SYSTEM FOR WAKING UP REMOTE DEVICES

SYSTEMS AND METHODS FOR ENABLING ACCESS TO EMERGENCY SERVICES

SYSTEM AND METHOD FOR PROVIDING AUTOMATIC DETERMINATION OF A CALL T...

MOBILE TERMINAL

VOIP ANALOG TELEPHONE SYSTEM WITH CONNECTION TO HOME MONITORING SYSTEM

SYSTEM FOR PROVIDING TELEPHONY AND DATA SERVICES

DOCKING DEVICE WITH TELEPHONE EXCHANGE FUNCTION

COMMUNICATION APPARATUS

Communication System in a Package Formed on a Metal Microstructure

MOBILE TERMINAL

SYSTEM AND METHOD FOR EFFECTING PREARRANGED NOTIFICATION FOLLOWING...

COMMUNICATION APPARATUS, POWER CONTROL METHOD THEREOF, AND COMPUTER...

CORDLESS TELEPHONE SYSTEM

STATIONARY WIRELESS TERMINAL AND SWITCHING METHOD FOR AUTOMATICALLY...