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HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J2203/00Aspects of optical multiplex systems other than those covered by H04J14/00

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Patents Grantslast 30 patents

Information Patent Grant
Secure ATM-based distributed virtual tandem switching system and me...
- Patent number 7,843,932
- Issue date Nov 30, 2010
- AT&T Labs, Inc.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mapping six (6) eight (8) mbit/s signals to a SONET frame
- Patent number 7,809,022
- Issue date Oct 5, 2010
- Harris Corporation
- Cypryan T. Klish, II
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed network switching system
- Patent number 7,304,986
- Issue date Dec 4, 2007
- AT&T Labs, Inc.
- George Coleman Allen, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault tolerant virtual tandem switch
- Patent number 7,227,837
- Issue date Jun 5, 2007
- AT&T Labs, Inc.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure ATM-based distributed virtual tandem switching system and me...
- Patent number 7,136,378
- Issue date Nov 14, 2006
- SBC Technology Resources, Inc.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Virtual tandem switch
- Patent number 7,099,311
- Issue date Aug 29, 2006
- SBC Technology Resources, Inc.
- George C. Allen, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed virtual tandem switch
- Patent number 7,095,734
- Issue date Aug 22, 2006
- SBC Technology Resources, Inc.
- George Coleman Allen, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed network switching system
- Patent number 6,765,903
- Issue date Jul 20, 2004
- SBC Technology Resources, Inc.
- George Coleman Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure ATM-based distributed virtual tandem switching system and me...
- Patent number 6,757,278
- Issue date Jun 29, 2004
- SBC Technology Resources, Inc.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
SS7 signalling transport over ATM
- Patent number 6,714,560
- Issue date Mar 30, 2004
- Nortel Networks Limited
- Calvin E. Drover
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multimedia and multirate switching method and apparatus
- Patent number 6,535,513
- Issue date Mar 18, 2003
- Cisco Technology, Inc.
- Ruey Kao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,389,011
- Issue date May 14, 2002
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,345,048
- Issue date Feb 5, 2002
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low cost ISDN/pots service using ATM
- Patent number 6,292,486
- Issue date Sep 18, 2001
- PMC-Sierra Ltd.
- Vernon Robert Little
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,219,348
- Issue date Apr 17, 2001
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM-based distributed virtual tandem switching system
- Patent number 6,169,735
- Issue date Jan 2, 2001
- SBC Technology Resources, Inc.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Access to telecommunications networks in multi-service environment
- Patent number 5,828,666
- Issue date Oct 27, 1998
- Northern Telecom Limited
- Mihai Focsaneanu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Access to telecommunications networks in multi-service environment
- Patent number 5,610,910
- Issue date Mar 11, 1997
- Northern Telecom Limited
- Mihai Focsaneanu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical serial bus interface
- Patent number 5,594,576
- Issue date Jan 14, 1997
- Alcatel Network Systems, Inc.
- Joseph E. Sutherland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Mapping Six (6) Eight (8) MBIT/S Signals to a Sonet Frame
- Publication number 20080095194
- Publication date Apr 24, 2008
- Harris Corporation
- Cypryan T. Klish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FAULT TOLERANT ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTE...
- Publication number 20070286200
- Publication date Dec 13, 2007
- AT&T LABS, INC.
- Haifeng BI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURE ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTEM AND ME...
- Publication number 20070008977
- Publication date Jan 11, 2007
- SBC TECHNOLOGY RESOURCES, INC.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed virtual tandem switching systme
- Publication number 20060274732
- Publication date Dec 7, 2006
- SBC TECHNOLOGY RESOURCES, INC.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed network switching system
- Publication number 20060274735
- Publication date Dec 7, 2006
- SBC TECHNOLOGY RESOURCES, INC.
- George Coleman Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed network switching system
- Publication number 20040233909
- Publication date Nov 25, 2004
- SBC TECHNOLOGY RESOURCES, INC.
- George Coleman Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Secure ATM-based distributed virtual tandem switching system and me...
- Publication number 20040179531
- Publication date Sep 16, 2004
- SBC TECHNOLOGY RESOURCES, INC.
- Haifeng Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed virtual tandem switching system
- Publication number 20020093947
- Publication date Jul 18, 2002
- SBC TECHNOLOGY RESOURCES, INC.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Passive optical network transmission system, ATM-passive optical ne...
- Publication number 20020067529
- Publication date Jun 6, 2002
- FUJITSU DENSO LTD.
- Tetsuya Yokomoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATM-based distributed virtual tandem switching system
- Publication number 20010017861
- Publication date Aug 30, 2001
- SBC TECHNOLOGY RESOURCES, INC.
- George C. Allen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Support of N-ISDN

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Secure ATM-based distributed virtual tandem switching system and me...

Mapping six (6) eight (8) mbit/s signals to a SONET frame

ATM-based distributed network switching system

Fault tolerant virtual tandem switch

Secure ATM-based distributed virtual tandem switching system and me...

Virtual tandem switch

Distributed virtual tandem switch

ATM-based distributed network switching system

Secure ATM-based distributed virtual tandem switching system and me...

SS7 signalling transport over ATM

Multimedia and multirate switching method and apparatus

ATM-based distributed virtual tandem switching system

ATM-based distributed virtual tandem switching system

Low cost ISDN/pots service using ATM

ATM-based distributed virtual tandem switching system

ATM-based distributed virtual tandem switching system

Access to telecommunications networks in multi-service environment

Access to telecommunications networks in multi-service environment

Optical serial bus interface

Patents Applicationslast 30 patents

Mapping Six (6) Eight (8) MBIT/S Signals to a Sonet Frame

FAULT TOLERANT ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTE...

SECURE ATM-BASED DISTRIBUTED VIRTUAL TANDEM SWITCHING SYSTEM AND ME...

ATM-based distributed virtual tandem switching systme

ATM-based distributed network switching system

ATM-based distributed network switching system

Secure ATM-based distributed virtual tandem switching system and me...

ATM-based distributed virtual tandem switching system

Passive optical network transmission system, ATM-passive optical ne...

ATM-based distributed virtual tandem switching system