Protection in WDM systems

Industry

CPC
H04J14/0287

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Parent Industries

HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J14/00Optical multiplex systems

Current Industry

H04J14/0287Protection in WDM systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
Distributed fiber optic sensor placement with shared protection
- Patent number 12,160,261
- Issue date Dec 3, 2024
- NEC Corporation
- Philip Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network control method, apparatus, and system
- Patent number 12,149,874
- Issue date Nov 19, 2024
- Huawei Technologies Co., Ltd.
- Changsheng Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and master station
- Patent number 12,040,831
- Issue date Jul 16, 2024
- Nippon Telegraph and Telephone Corporation
- Hirotaka Ujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control plane triggered (CPT) optical protection switching (OPS)
- Patent number 11,967,984
- Issue date Apr 23, 2024
- Ciena Corporation
- Sandeep Kumar Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and OLT system
- Patent number 11,936,432
- Issue date Mar 19, 2024
- Nippon Telegraph and Telephone Corporation
- Tomoya Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and optical transmission method
- Patent number 11,929,787
- Issue date Mar 12, 2024
- Nippon Telegraph and Telephone Corporation
- Akihiro Tanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,901,950
- Issue date Feb 13, 2024
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,870,496
- Issue date Jan 9, 2024
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Path protection method and network node
- Patent number 11,848,698
- Issue date Dec 19, 2023
- Huawei Technologies Co., Ltd.
- Gang Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, optical communication apparatus and o...
- Patent number 11,811,448
- Issue date Nov 7, 2023
- Nippon Telegraph and Telephone Corporation
- Hirotaka Ujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Matching transmitters with receivers for making network-level assig...
- Patent number 11,770,203
- Issue date Sep 26, 2023
- Ciena Corporation
- Khaled Maamoun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for a restoration network with dynamic activat...
- Patent number 11,770,186
- Issue date Sep 26, 2023
- Infinera Corporation
- Rajan Rao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High-density co-packaged optics networking system
- Patent number 11,719,899
- Issue date Aug 8, 2023
- Dell Products L.P.
- Shree Rathinasamy
- G02 - OPTICS
Information Patent Grant
Optical communications module link extender, and related systems an...
- Patent number 11,689,308
- Issue date Jun 27, 2023
- Cox Communications, Inc.
- Harjinder S. Ghuman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,569,915
- Issue date Jan 31, 2023
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,563,498
- Issue date Jan 24, 2023
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,539,443
- Issue date Dec 27, 2022
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,515,947
- Issue date Nov 29, 2022
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,463,175
- Issue date Oct 4, 2022
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subcarrier dual-path protection and restoration for optical...
- Patent number 11,451,303
- Issue date Sep 20, 2022
- Influera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Virtualized sections for sectional control of optical links
- Patent number 11,444,719
- Issue date Sep 13, 2022
- Ciena Corporation
- Choudhury A. Al Sayeed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 11,438,087
- Issue date Sep 6, 2022
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical protection switching for single fibre bidirectional WDM opt...
- Patent number 11,431,433
- Issue date Aug 30, 2022
- Telefonaktiebolaget LM Ericsson (publ)
- Stefano Orsi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for assigning resource failure severity in commun...
- Patent number 11,329,862
- Issue date May 10, 2022
- SEDONASYS SYSTEMS LTD
- Ornan Alexander Gerstel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communications module link extender, and related systems an...
- Patent number 11,317,177
- Issue date Apr 26, 2022
- Cox Communications, Inc.
- Harjinder S. Ghuman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for a restoration network with dynamic activat...
- Patent number 11,283,518
- Issue date Mar 22, 2022
- Infinera Corporation
- Rajan Rao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subcarrier diversity in optical communication systems
- Patent number 11,088,775
- Issue date Aug 10, 2021
- Xieon Networks S.a.r.l.
- Danish Rafique
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 11,082,145
- Issue date Aug 3, 2021
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, optical transmission apparatus and tra...
- Patent number 11,063,684
- Issue date Jul 13, 2021
- Fujitsu Limited
- Ryo Karube
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Virtualized sections for sectional control of optical links
- Patent number 11,057,146
- Issue date Jul 6, 2021
- Ciena Corporation
- Choudhury A. Al Sayeed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION STATION, OPTICAL COMMUNICATION SYSTEM, DATA TRANSMISS...
- Publication number 20230299867
- Publication date Sep 21, 2023
- ACCELINK TECHNOLOGIES CO., LTD.
- Li Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Matching transmitters with receivers for making network-level assig...
- Publication number 20230074349
- Publication date Mar 9, 2023
- CIENA CORPORATION
- Khaled Maamoun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Subchannel Photonic Routing, Switching and Protection with Simplifi...
- Publication number 20220353005
- Publication date Nov 3, 2022
- Snell Holdings, LLC
- Chris Wilhelm Barnard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...
- Publication number 20210336714
- Publication date Oct 28, 2021
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Virtualized sections for sectional control of optical links
- Publication number 20210328704
- Publication date Oct 21, 2021
- CIENA CORPORATION
- Choudhury A. AL SAYEED
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBCHANNEL PHOTONIC ROUTING, SWITCHING AND PROTECTION WITH SIMPLIFI...
- Publication number 20210281353
- Publication date Sep 9, 2021
- Snell Holdings, LLC
- Chris Wilhelm Barnard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR ASSIGNING RESOURCE FAILURE SEVERITY IN COMMUN...
- Publication number 20210168020
- Publication date Jun 3, 2021
- SEDONASYS SYSTEMS LTD
- Ornan Alexander GERSTEL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SUBCARRIER DUAL-PATH PROTECTION AND RESTORATION FOR OPTICAL...
- Publication number 20210111826
- Publication date Apr 15, 2021
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SUBCARRIER DUAL-PATH PROTECTION AND RESTORATION FOR OPTICAL...
- Publication number 20210111827
- Publication date Apr 15, 2021
- Infinera Corporation
- Steven Joseph Hand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TECHNIQUES FOR MAGNETIC SHIELDING OF AN OPTICAL ISOLATOR TO MAINTAI...
- Publication number 20200336219
- Publication date Oct 22, 2020
- APPLIED OPTOELECTRONICS, INC.
- Chong WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...
- Publication number 20200313789
- Publication date Oct 1, 2020
- NEC Corporation
- Ryuji AIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBCARRIER DIVERSITY IN OPTICAL COMMUNICATION SYSTEMS
- Publication number 20200244388
- Publication date Jul 30, 2020
- XIEON NETWORKS S.A.R.L.
- Danish RAFIQUE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Virtualized sections for sectional control of optical links
- Publication number 20200059315
- Publication date Feb 20, 2020
- CIENA CORPORATION
- Choudhury A. AL SAYEED
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feeder Fiber and Central Office Redundancy
- Publication number 20190393958
- Publication date Dec 26, 2019
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SWITCH CONTROL CIRCUIT FOR OPTICAL NETWORK PROTECTION
- Publication number 20190229832
- Publication date Jul 25, 2019
- OW Holding Inc.
- Sichao Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VIRTUALIZED SECTIONS FOR SECTIONAL CONTROL OF OPTICAL LINKS
- Publication number 20190103939
- Publication date Apr 4, 2019
- CIENA CORPORATION
- Choudhury A. AL SAYEED
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBCHANNEL PHOTONIC ROUTING, SWITCHING AND PROTECTION WITH SIMPLIFI...
- Publication number 20190052393
- Publication date Feb 14, 2019
- Snell Holdings, LLC
- Chris Wilhelm Barnard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feeder Fiber and Central Office Redundancy
- Publication number 20180323875
- Publication date Nov 8, 2018
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ROUTE SWITCHING DEVICE, ROUTE SWITCHING SYSTEM, AND ROUTE SWITCHING...
- Publication number 20180212707
- Publication date Jul 26, 2018
- NEC Corporation
- Tetsuya YAMAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet Forwarding IN RPR Network
- Publication number 20170264534
- Publication date Sep 14, 2017
- Wenjun DU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Subchannel Photonic Routing, Switching and Protection with Simplifi...
- Publication number 20170237483
- Publication date Aug 17, 2017
- Treq Labs, Inc.
- Chris Wilhelm Barnard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE, SYSTEM AND METHOD FOR TRANSMITTING WAVELENGTH DIVISION MULT...
- Publication number 20170222747
- Publication date Aug 3, 2017
- Fujitsu Limited
- Yuki BAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
A METHOD FOR PROVISIONING OPTICAL CONNECTIONS IN AN OPTICAL NETWORK
- Publication number 20170104551
- Publication date Apr 13, 2017
- Alcatel Lucent
- Gabriel CHARLET
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND NETWORK CONTROL METHOD
- Publication number 20160308604
- Publication date Oct 20, 2016
- Fujitsu Limited
- Yasuki FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WDM Single Fiber Ring Protection
- Publication number 20160173225
- Publication date Jun 16, 2016
- Fabio CAVALIERE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network Alarm System Utilizing a Single Sensing Fiber
- Publication number 20150333822
- Publication date Nov 19, 2015
- NETWORK INTEGRITY SYSTEMS, INC.
- Cary R. Murphy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI LAYER NETWORK RESILIENCY WITH SOFTWARE DEFINED ORCHESTRATION
- Publication number 20150188624
- Publication date Jul 2, 2015
- Infinera Corp.
- Sharfuddin Syed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, TOPOLOGY AND POINT OF PRESENCE EQUIPMENT FOR SERVING A PLUR...
- Publication number 20150010298
- Publication date Jan 8, 2015
- AEPONYX INC.
- François D. Menard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH PATH SWITCHING METHOD, OPTICAL COMMUNICATION SYSTEM, OPT...
- Publication number 20140241719
- Publication date Aug 28, 2014
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR INTERCONNECTING NODES ATTACHED TO A PASSIVE OPTICAL NETWORK
- Publication number 20140233938
- Publication date Aug 21, 2014
- NTT DoCoMo, Inc.
- Wolfgang Kiess
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Protection in WDM systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Distributed fiber optic sensor placement with shared protection

Network control method, apparatus, and system

Optical communication system and master station

Control plane triggered (CPT) optical protection switching (OPS)

Communication system and OLT system

Optical transmission apparatus and optical transmission method

Optical subcarrier dual-path protection and restoration for optical...

Optical subcarrier dual-path protection and restoration for optical...

Path protection method and network node

Optical communication system, optical communication apparatus and o...

Matching transmitters with receivers for making network-level assig...

Method and apparatus for a restoration network with dynamic activat...

High-density co-packaged optics networking system

Optical communications module link extender, and related systems an...

Optical subcarrier dual-path protection and restoration for optical...

Optical subcarrier dual-path protection and restoration for optical...

Optical subcarrier dual-path protection and restoration for optical...

Optical subcarrier dual-path protection and restoration for optical...

Optical subcarrier dual-path protection and restoration for optical...

Optical subcarrier dual-path protection and restoration for optical...

Virtualized sections for sectional control of optical links

Optical branching/coupling device and optical branching/coupling me...

Optical protection switching for single fibre bidirectional WDM opt...

Method and system for assigning resource failure severity in commun...

Optical communications module link extender, and related systems an...

Method and apparatus for a restoration network with dynamic activat...

Subcarrier diversity in optical communication systems

Optical branching/coupling device and optical branching/coupling me...

Optical transmission system, optical transmission apparatus and tra...

Virtualized sections for sectional control of optical links

Patents Applicationslast 30 patents

COMMUNICATION STATION, OPTICAL COMMUNICATION SYSTEM, DATA TRANSMISS...

Matching transmitters with receivers for making network-level assig...

Subchannel Photonic Routing, Switching and Protection with Simplifi...

OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...

Virtualized sections for sectional control of optical links

SUBCHANNEL PHOTONIC ROUTING, SWITCHING AND PROTECTION WITH SIMPLIFI...

METHOD AND SYSTEM FOR ASSIGNING RESOURCE FAILURE SEVERITY IN COMMUN...

OPTICAL SUBCARRIER DUAL-PATH PROTECTION AND RESTORATION FOR OPTICAL...

OPTICAL SUBCARRIER DUAL-PATH PROTECTION AND RESTORATION FOR OPTICAL...

TECHNIQUES FOR MAGNETIC SHIELDING OF AN OPTICAL ISOLATOR TO MAINTAI...

OPTICAL BRANCHING/COUPLING DEVICE AND OPTICAL BRANCHING/COUPLING ME...

SUBCARRIER DIVERSITY IN OPTICAL COMMUNICATION SYSTEMS

Virtualized sections for sectional control of optical links

Feeder Fiber and Central Office Redundancy

OPTICAL SWITCH CONTROL CIRCUIT FOR OPTICAL NETWORK PROTECTION

VIRTUALIZED SECTIONS FOR SECTIONAL CONTROL OF OPTICAL LINKS

SUBCHANNEL PHOTONIC ROUTING, SWITCHING AND PROTECTION WITH SIMPLIFI...

Feeder Fiber and Central Office Redundancy

ROUTE SWITCHING DEVICE, ROUTE SWITCHING SYSTEM, AND ROUTE SWITCHING...

Packet Forwarding IN RPR Network

Subchannel Photonic Routing, Switching and Protection with Simplifi...

DEVICE, SYSTEM AND METHOD FOR TRANSMITTING WAVELENGTH DIVISION MULT...

A METHOD FOR PROVISIONING OPTICAL CONNECTIONS IN AN OPTICAL NETWORK

TRANSMISSION APPARATUS AND NETWORK CONTROL METHOD

WDM Single Fiber Ring Protection

Network Alarm System Utilizing a Single Sensing Fiber

MULTI LAYER NETWORK RESILIENCY WITH SOFTWARE DEFINED ORCHESTRATION

METHOD, TOPOLOGY AND POINT OF PRESENCE EQUIPMENT FOR SERVING A PLUR...

WAVELENGTH PATH SWITCHING METHOD, OPTICAL COMMUNICATION SYSTEM, OPT...

SYSTEM FOR INTERCONNECTING NODES ATTACHED TO A PASSIVE OPTICAL NETWORK