Wavelength multiplexing, WDM

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CPC
H04Q2213/13295

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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

Current Industry

H04Q2213/13295Wavelength multiplexing, WDM

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Patents Grantslast 30 patents

Information Patent Grant
System and method for transmitting a data stream in a network
- Patent number 11,595,443
- Issue date Feb 28, 2023
- AT&T Intellectual Property I, L.P.
- Stuart J. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication between data centers using a multi-core fiber
- Patent number 11,303,379
- Issue date Apr 12, 2022
- Mellanox Technologies, Ltd.
- Donald Becker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission device, and transmission method
- Patent number 11,228,822
- Issue date Jan 18, 2022
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for transmitting a data stream in a network
- Patent number 10,951,654
- Issue date Mar 16, 2021
- AT&T Intellectual Property 1, LP
- Stuart J. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission device, and transmission method
- Patent number 10,904,648
- Issue date Jan 26, 2021
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection method and optical communication system
- Patent number 9,768,908
- Issue date Sep 19, 2017
- Nippon Telegraph and Telephone Corporation
- Shin Kaneko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength multiplexer, and method and program for identifying fail...
- Patent number 9,654,850
- Issue date May 16, 2017
- NEC Corporation
- Yoshiaki Aono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier and gain control method
- Patent number 9,391,426
- Issue date Jul 12, 2016
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength path communication node apparatus, wavelength path commu...
- Patent number 8,693,880
- Issue date Apr 8, 2014
- NEC Corporation
- Masahiro Sakauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, circuitry and apparatus for outputting a stable optical sig...
- Patent number 8,606,111
- Issue date Dec 10, 2013
- Source Photonics, Inc.
- Zhaoyang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Span loss monitoring system, supervisory signal sending apparatus a...
- Patent number 8,588,610
- Issue date Nov 19, 2013
- NEC Corporation
- Hiroaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Route calculation system, network management device, route calculat...
- Patent number 8,285,871
- Issue date Oct 9, 2012
- NEC Corporation
- Yuzo Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for sharing common capacity and using differen...
- Patent number 8,155,515
- Issue date Apr 10, 2012
- Verizon Business Global LLC
- Jasvantrai Shah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for transmitting signals in a network node, particularly fo...
- Patent number 7,856,183
- Issue date Dec 21, 2010
- ADVA AG Optical Networking
- Henning Hinderthür
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-service telecommunication switch
- Patent number 7,428,208
- Issue date Sep 23, 2008
- CIENA Corporation
- John Patrick Jones
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time-division and wave-division multiplexed link for use in a servi...
- Patent number 7,092,629
- Issue date Aug 15, 2006
- Hewlett-Packard Development Company, L.P.
- William P. Bunton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adding DSL services to a digital loop carrier system
- Patent number 6,781,981
- Issue date Aug 24, 2004
- Advanced Fibre Access Corporation
- Mahlon Danny Kimbrough
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scalable network restoration device
- Patent number 6,404,734
- Issue date Jun 11, 2002
- Telecommuncations Research Laboratories
- Demetrios Stamatelakis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cross-connecting optical translator array
- Patent number 6,185,021
- Issue date Feb 6, 2001
- Lucent Technologies, Inc.
- Mohammad T. Fatehi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for multiplexing bytes over parallel communica...
- Patent number 6,160,819
- Issue date Dec 12, 2000
- GTE Internetworking Incorporated
- Craig Partridge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK
- Publication number 20230188568
- Publication date Jun 15, 2023
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Stuart J. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK
- Publication number 20210160286
- Publication date May 27, 2021
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Stuart J. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
- Publication number 20210112320
- Publication date Apr 15, 2021
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
- Publication number 20200169795
- Publication date May 28, 2020
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK
- Publication number 20200076527
- Publication date Mar 5, 2020
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Stuart J. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPAN LOSS MONITORING SYSTEM, SUPERVISORY SIGNAL SENDING APPARATUS A...
- Publication number 20120207469
- Publication date Aug 16, 2012
- NEC Corporation
- Hiroaki TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, Circuitry and Apparatus for Outputting a Stable Optical Sig...
- Publication number 20120063782
- Publication date Mar 15, 2012
- Zhaoyang HU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Establishing a Connection
- Publication number 20120023234
- Publication date Jan 26, 2012
- Nokia Corporation
- Brian Alexander Martin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH PATH COMMUNICATION NODE APPARATUS, WAVELENGTH PATH COMMU...
- Publication number 20110116790
- Publication date May 19, 2011
- Masahiro Sakauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ROUTE CALCULATION SYSTEM, NETWORK MANAGEMENT DEVICE, ROUTE CALCULAT...
- Publication number 20100077103
- Publication date Mar 25, 2010
- YUZO MATSUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Circuit for Transmitting Signals in a Network Node, Particularly fo...
- Publication number 20080247755
- Publication date Oct 9, 2008
- Henning Hinderthur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for sharing common capacity and using differen...
- Publication number 20050157643
- Publication date Jul 21, 2005
- WorldCom, Inc.
- Jasvantrai Shah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Group switching method and apparatus for dense wavelength division...
- Publication number 20050141804
- Publication date Jun 30, 2005
- Yuanyuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Time-division and wave-division multiplexed link for use in a servi...
- Publication number 20030103253
- Publication date Jun 5, 2003
- William P. Bunton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-service telecommunication switch
- Publication number 20030081540
- Publication date May 1, 2003
- WaveSmith Networks, Inc.
- John Patrick Jones
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Forming a communication network
- Publication number 20020094798
- Publication date Jul 18, 2002
- Jukka Nurminen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Wavelength multiplexing, WDM

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for transmitting a data stream in a network

Communication between data centers using a multi-core fiber

Transmission system, transmission device, and transmission method

System and method for transmitting a data stream in a network

Transmission system, transmission device, and transmission method

Protection method and optical communication system

Wavelength multiplexer, and method and program for identifying fail...

Raman amplifier and gain control method

Wavelength path communication node apparatus, wavelength path commu...

Method, circuitry and apparatus for outputting a stable optical sig...

Span loss monitoring system, supervisory signal sending apparatus a...

Route calculation system, network management device, route calculat...

Method and apparatus for sharing common capacity and using differen...

Circuit for transmitting signals in a network node, particularly fo...

Multi-service telecommunication switch

Time-division and wave-division multiplexed link for use in a servi...

Adding DSL services to a digital loop carrier system

Scalable network restoration device

Cross-connecting optical translator array

Method and apparatus for multiplexing bytes over parallel communica...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK

SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD

SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK

SPAN LOSS MONITORING SYSTEM, SUPERVISORY SIGNAL SENDING APPARATUS A...

Method, Circuitry and Apparatus for Outputting a Stable Optical Sig...

Method and Apparatus for Establishing a Connection

WAVELENGTH PATH COMMUNICATION NODE APPARATUS, WAVELENGTH PATH COMMU...

ROUTE CALCULATION SYSTEM, NETWORK MANAGEMENT DEVICE, ROUTE CALCULAT...

Circuit for Transmitting Signals in a Network Node, Particularly fo...

Method and apparatus for sharing common capacity and using differen...

Group switching method and apparatus for dense wavelength division...

Time-division and wave-division multiplexed link for use in a servi...

Multi-service telecommunication switch

Forming a communication network