for ISDN systems

Industry

CPC
H04M3/245

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

H04M3/245for ISDN systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
Handling audio path failure and poor quality of service for voice c...
- Patent number 10,212,200
- Issue date Feb 19, 2019
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handling audio path failure and poor quality of service for voice c...
- Patent number 9,882,944
- Issue date Jan 30, 2018
- Noble Systems Corporation
- James K. Noble
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Test device for data services
- Patent number 7,587,029
- Issue date Sep 8, 2009
- British Telecommunications plc
- Adrian R Pepper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN alarm notification system
- Patent number 7,151,750
- Issue date Dec 19, 2006
- Fujitsu Limited
- Kazunori Horachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and monitoring system for monitoring at least one subscriber...
- Patent number 6,954,710
- Issue date Oct 11, 2005
- Deutsche Telekom
- Steffen Kessler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quasi ground fault interruption signal-based activation of emergenc...
- Patent number 6,757,382
- Issue date Jun 29, 2004
- Adtran, Inc.
- John B. Wilkes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Testing of ISDN line via auxiliary channel signaling
- Patent number 6,185,191
- Issue date Feb 6, 2001
- Harris Corporation
- Michael David Dipperstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Technique for realizing fault-tolerant ISDN PBX
- Patent number 6,002,665
- Issue date Dec 14, 1999
- SamSung Electronics Co., Ltd.
- Jae-Weon Choe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Margin test method and apparatus for intergrated services digital n...
- Patent number 5,663,968
- Issue date Sep 2, 1997
- H. Heuer Instruments Pty Ltd.
- Hans Heuer
- G01 - MEASURING TESTING
Information Patent Grant
Gel filled modular electrical connecting block
- Patent number 5,601,460
- Issue date Feb 11, 1997
- Raychem Corporation
- Gerald L. Shimirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alarm and test system for a digital added main line
- Patent number 5,598,455
- Issue date Jan 28, 1997
- Raychem Corporation
- David C. Bliven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gel filled electrical connector
- Patent number 5,562,491
- Issue date Oct 8, 1996
- Raychem Corporation
- Gerald L. Shimirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN line circuit monitor system
- Patent number 5,533,007
- Issue date Jul 2, 1996
- Fujitsu Limited
- Akira Orita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control channel terminating interface and its testing device for se...
- Patent number 5,430,708
- Issue date Jul 4, 1995
- Fujiisu Limited
- Keiji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gel filled modular electrical connecting block
- Patent number 5,427,547
- Issue date Jun 27, 1995
- Raychem Corporation
- Gerald L. Shimirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for sealing an electrical socket and plug assembly
- Patent number 5,406,702
- Issue date Apr 18, 1995
- Raychem Corporation
- Gerald L. Shimirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alarm and test system for a digital added main line
- Patent number 5,404,401
- Issue date Apr 4, 1995
- Raychem Corporation
- David C. Bliven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gel filled modular electrical connecting block
- Patent number 5,376,019
- Issue date Dec 27, 1994
- Raychem Corporation
- Gerald L. Shimirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Maintenance communication control system in an ISDN service
- Patent number 5,375,117
- Issue date Dec 20, 1994
- Fujitsu Limited
- Sumie Morita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for measuring in the subscriber area of an integrated servic...
- Patent number 5,319,631
- Issue date Jun 7, 1994
- Siemens Aktiengesellschaft
- Michael Schuricht
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gel filled electrical connector
- Patent number 5,246,383
- Issue date Sep 21, 1993
- Raychem Corporation
- Gerald L. Shimirak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber loop tester for telephone switching systems
- Patent number 5,208,846
- Issue date May 4, 1993
- Tektronix, Inc.
- John A. Hammond
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for establishing conference connections
- Patent number 5,199,029
- Issue date Mar 30, 1993
- U.S. Philips Corporation
- Peter Hessler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gel filled RJ11 connector
- Patent number 5,195,125
- Issue date Mar 16, 1993
- Raychem Corporation
- David C. Bliven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of and system for remote testing and reporting of ISDN line...
- Patent number 5,189,663
- Issue date Feb 23, 1993
- C & P of Virginia
- Clifton B. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inter-network connecting system
- Patent number 5,185,741
- Issue date Feb 9, 1993
- Fujitsu Limited
- Kazuo Iguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
T carrier network test apparatus and method
- Patent number 5,166,925
- Issue date Nov 24, 1992
- Marvin W. Ward
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN terminal having diagnostic function
- Patent number 5,150,402
- Issue date Sep 22, 1992
- NEC Corporation
- Masayuki Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alarm and test system for a digital added main line
- Patent number 5,111,497
- Issue date May 5, 1992
- Raychem Corporation
- David C. Bliven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic circuit identifier
- Patent number 5,101,400
- Issue date Mar 31, 1992
- AT&T Bell Laboratories
- Louis Krantz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Managing a Node that Provides Access to Both Broadband and Narrowba...
- Publication number 20080279180
- Publication date Nov 13, 2008
- Jan Hansen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Test device for data services
- Publication number 20060176841
- Publication date Aug 10, 2006
- Adrian R. Pepper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and monitoring system for monitoring at least one subscriber...
- Publication number 20030040890
- Publication date Feb 27, 2003
- Steffen Kessler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ISDN alarm notification system
- Publication number 20020041569
- Publication date Apr 11, 2002
- Kazunori Horachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

for ISDN systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Handling audio path failure and poor quality of service for voice c...

Handling audio path failure and poor quality of service for voice c...

Test device for data services

ISDN alarm notification system

Method and monitoring system for monitoring at least one subscriber...

Quasi ground fault interruption signal-based activation of emergenc...

Testing of ISDN line via auxiliary channel signaling

Technique for realizing fault-tolerant ISDN PBX

Margin test method and apparatus for intergrated services digital n...

Gel filled modular electrical connecting block

Alarm and test system for a digital added main line

Gel filled electrical connector

ISDN line circuit monitor system

Control channel terminating interface and its testing device for se...

Gel filled modular electrical connecting block

Method for sealing an electrical socket and plug assembly

Alarm and test system for a digital added main line

Gel filled modular electrical connecting block

Maintenance communication control system in an ISDN service

Method for measuring in the subscriber area of an integrated servic...

Gel filled electrical connector

Subscriber loop tester for telephone switching systems

Circuit arrangement for establishing conference connections

Gel filled RJ11 connector

Method of and system for remote testing and reporting of ISDN line...

Inter-network connecting system

T carrier network test apparatus and method

ISDN terminal having diagnostic function

Alarm and test system for a digital added main line

Dynamic circuit identifier

Patents Applicationslast 30 patents

Managing a Node that Provides Access to Both Broadband and Narrowba...

Test device for data services

Method and monitoring system for monitoring at least one subscriber...

ISDN alarm notification system