Dedicated protection at the optical multiplex section (1+1)

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H04J14/029

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HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J14/00Optical multiplex systems

Current Industry

H04J14/029Dedicated protection at the optical multiplex section (1+1)

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for downlink multi-user with DFT-s-OFDM waveform
- Patent number 12,368,526
- Issue date Jul 22, 2025
- RAKUTEN SYMPHONY, INC.
- Erdem Bala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamically switching queueing schemes for network switches
- Patent number 12,355,552
- Issue date Jul 8, 2025
- Infinera Corporation
- Steven J. Hand
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stretched single optical span communications system and method avoi...
- Patent number 12,278,693
- Issue date Apr 15, 2025
- Ciena Corporation
- Kevan Peter Jones
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transport network protection architecture, nodes and method
- Patent number 12,273,185
- Issue date Apr 8, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Annamaria Fulignoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication network terminating device, communication system, sig...
- Patent number 12,267,151
- Issue date Apr 1, 2025
- Nippon Telegraph and Telephone Corporation
- Akihiro Tanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 12,255,731
- Issue date Mar 18, 2025
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic devices with high frequency symbol generation
- Patent number 12,231,171
- Issue date Feb 18, 2025
- Apple Inc.
- Bertram R Gunzelmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber indexing systems
- Patent number 12,222,570
- Issue date Feb 11, 2025
- CommScope Technologies LLC
- Erik J. Gronvall
- G02 - OPTICS
Information Patent Grant
Protection switching based on SNR calculations
- Patent number 12,176,944
- Issue date Dec 24, 2024
- Ciena Corporation
- Michael Lapp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 12,095,546
- Issue date Sep 17, 2024
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid fiber coaxial node
- Patent number 12,096,165
- Issue date Sep 17, 2024
- Comcast Cable Communications, LLC
- Jorge Daniel Salinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Probabilistic shaping techniques for high performance coherent opti...
- Patent number 12,081,274
- Issue date Sep 3, 2024
- MARVELL ASIA PTE. LTD.
- Damian Alfonso Morero
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional optical communications
- Patent number 12,063,105
- Issue date Aug 13, 2024
- Infinera Corporation
- Magnus Olson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser light system with wavelength attenuation
- Patent number 12,057,888
- Issue date Aug 6, 2024
- King Fahd University of Petroleum & Minerals
- Khurram Karim Qureshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Time division multiple access optical subcarriers
- Patent number 11,990,985
- Issue date May 21, 2024
- Infinera Corporation
- Amir Jafari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for digital subcarriers for optical networks
- Patent number 11,984,932
- Issue date May 14, 2024
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission method
- Patent number 11,984,925
- Issue date May 14, 2024
- Nippon Telegraph and Telephone Corporation
- Kei Kitamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber indexing systems
- Patent number 11,960,135
- Issue date Apr 16, 2024
- CommScope Technologies LLC
- Erik J. Gronvall
- 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, optical reception apparatus, optica...
- Patent number 11,936,431
- Issue date Mar 19, 2024
- NEC Corporation
- Yoshiaki Aono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system employing optical frame templates
- Patent number 11,901,947
- Issue date Feb 13, 2024
- Nubis Communications, Inc.
- Peter Johannes Winzer
- 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
Clock recovery for digital subcarriers for optical networks
- Patent number 11,881,898
- Issue date Jan 23, 2024
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and methods for distribution of heterogeneous wavelength mul...
- Patent number 11,876,560
- Issue date Jan 16, 2024
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- 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
Bidirectional optical communications
- Patent number 11,838,105
- Issue date Dec 5, 2023
- Infinera Corporation
- Magnus Olson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subcarrier based data center network architecture
- Patent number 11,824,632
- Issue date Nov 21, 2023
- Infinera Corporation
- Stuart Elby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 11,824,628
- Issue date Nov 21, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control plane for an optical network for transmitting multi-carrier...
- Patent number 11,800,264
- Issue date Oct 24, 2023
- ORANGE
- Bing Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 11,791,893
- Issue date Oct 17, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SUBCHANNEL PHOTONIC ROUTING, SWITCHING AND PROTECTION WITH SIMPLIFI...
- Publication number 20250202614
- Publication date Jun 19, 2025
- Snell Holdings, LLC
- Chris Wilhelm Barnard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20250192881
- Publication date Jun 12, 2025
- Infinera Corp.
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIME DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20250167882
- Publication date May 22, 2025
- Infinera Corporation
- Amir Jafari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION METHOD AND DEVICE
- Publication number 20250141585
- Publication date May 1, 2025
- Huawei Technologies Co., Ltd
- Amirhossein Mohammadian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hybrid Fiber Coaxial Node
- Publication number 20250106538
- Publication date Mar 27, 2025
- Comcast Cable Communications, LLC
- Jorge Daniel Salinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL TRANSMITTING METHOD AND OPT...
- Publication number 20240421910
- Publication date Dec 19, 2024
- Nippon Telegraph and Telephone Corporation
- Toshiaki SHITABA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION APPARATUS
- Publication number 20240405910
- Publication date Dec 5, 2024
- Nippon Telegraph and Telephone Corporation
- Kota ITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER INDEXING SYSTEMS
- Publication number 20240369791
- Publication date Nov 7, 2024
- CommScope Technologies LLC
- Erik J. Gronvall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM EMPLOYING OPTICAL FRAME TEMPLATES
- Publication number 20240356651
- Publication date Oct 24, 2024
- Nubis Communications, Inc.
- Peter Johannes Winzer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH MULTIPLEXING DEVICE AND WAVELENGTH MULTIPLEXING METHOD
- Publication number 20240297727
- Publication date Sep 5, 2024
- NEC Corporation
- Takeshi Takemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Subcarrier Based Data Center Network Architecture
- Publication number 20240283558
- Publication date Aug 22, 2024
- Infinera Corporation
- Stuart Elby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, SYSTEM, METHOD, AND NON-TRANSITORY...
- Publication number 20240250770
- Publication date Jul 25, 2024
- NEC Corporation
- Masaki SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR DOWNLINK MULTI-USER WITH DFT-S-OFDM WAVEFORM
- Publication number 20240250769
- Publication date Jul 25, 2024
- Rakuten Symphony Singapore Pte. Ltd.
- Erdem BALA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Stretched single optical span communications system and method avoi...
- Publication number 20240187123
- Publication date Jun 6, 2024
- CIENA CORPORATION
- Kevan Peter Jones
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic Devices with High Frequency Symbol Generation
- Publication number 20240072905
- Publication date Feb 29, 2024
- Apple Inc.
- Bertram R. Gunzelmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMPROVED DATA TRANSMISSION RATES FROM OPTICAL SOURCES
- Publication number 20240048243
- Publication date Feb 8, 2024
- MONASH UNIVERSITY
- William Peter Corcoran
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER OPTIC TERMINALS WITH WAVELENGTH DIVISION MULTIPLEXING AND PHY...
- Publication number 20230418014
- Publication date Dec 28, 2023
- Corning Research & Development Corporation
- Raman Kumar Selli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINEWIDTH INDEPENDENT HIGH PURITY MMW/THZ GENERATOR EMPLOYI...
- Publication number 20230370165
- Publication date Nov 16, 2023
- DUBLIN CITY UNIVERSITY
- Prajwal Doddaballapura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER INDEXING SYSTEMS
- Publication number 20230358982
- Publication date Nov 9, 2023
- CommScope Technologies LLC
- Erik J. Gronvall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Transmitting and Receiving Client Signal i...
- Publication number 20230353250
- Publication date Nov 2, 2023
- Huawei Technologies Co., Ltd
- Wei SU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL RECEPTION APPARATUS, OPTICA...
- Publication number 20230275669
- Publication date Aug 31, 2023
- NEC Corporation
- Yoshiaki Aono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LASER LIGHT SYSTEM WITH WAVELENGTH ATTENUATION
- Publication number 20230269001
- Publication date Aug 24, 2023
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- KHURRAM KARIM QURESHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMMUNICATION NETWORK TERMINATING DEVICE, COMMUNICATION SYSTEM, SIG...
- Publication number 20230254060
- Publication date Aug 10, 2023
- Nippon Telegraph and Telephone Corporation
- Akihiro TANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSPORT NETWORK PROTECTION ARCHITECTURE, NODES AND METHOD
- Publication number 20230224067
- Publication date Jul 13, 2023
- Telefonaktiebolaget LM Ericsson (publ)
- Annamaria FULIGNOLI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA STORAGE
- Publication number 20230216886
- Publication date Jul 6, 2023
- Nokia Technologies Oy
- Jos GEORGE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Probabilistic Constellation Shaping for Point-To-Multipoint Optical...
- Publication number 20230132851
- Publication date May 4, 2023
- Infinera Corporation
- Christopher R. Fludger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ALIEN WAVELENGTH MANAGEMENT
- Publication number 20230111987
- Publication date Apr 13, 2023
- Zayo Group, LCC
- Ljubomir Glavic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND CONTROL METHOD OF OPTICAL TRANSM...
- Publication number 20230104053
- Publication date Apr 6, 2023
- NEC Corporation
- Takefumi OGUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20230092560
- Publication date Mar 23, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hybrid Fiber Coaxial Node
- Publication number 20230083085
- Publication date Mar 16, 2023
- Comcast Cable Communications, LLC
- Jorge Daniel Salinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Dedicated protection at the optical multiplex section (1+1)

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for downlink multi-user with DFT-s-OFDM waveform

Dynamically switching queueing schemes for network switches

Stretched single optical span communications system and method avoi...

Optical transport network protection architecture, nodes and method

Communication network terminating device, communication system, sig...

Frequency division multiple access optical subcarriers

Electronic devices with high frequency symbol generation

Fiber indexing systems

Protection switching based on SNR calculations

Frequency division multiple access optical subcarriers

Hybrid fiber coaxial node

Probabilistic shaping techniques for high performance coherent opti...

Bidirectional optical communications

Laser light system with wavelength attenuation

Time division multiple access optical subcarriers

Clock recovery for digital subcarriers for optical networks

Transmission apparatus and transmission method

Fiber indexing systems

Communication system and OLT system

Optical transmission apparatus, optical reception apparatus, optica...

Communication system employing optical frame templates

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

Clock recovery for digital subcarriers for optical networks

System and methods for distribution of heterogeneous wavelength mul...

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

Bidirectional optical communications

Subcarrier based data center network architecture

Frequency division multiple access optical subcarriers

Control plane for an optical network for transmitting multi-carrier...

Frequency division multiple access optical subcarriers

Patents Applicationslast 30 patents

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

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

TIME DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

COMMUNICATION METHOD AND DEVICE

Hybrid Fiber Coaxial Node

OPTICAL TRANSMITTING APPARATUS, OPTICAL TRANSMITTING METHOD AND OPT...

WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION APPARATUS

FIBER INDEXING SYSTEMS

COMMUNICATION SYSTEM EMPLOYING OPTICAL FRAME TEMPLATES

WAVELENGTH MULTIPLEXING DEVICE AND WAVELENGTH MULTIPLEXING METHOD

Subcarrier Based Data Center Network Architecture

OPTICAL TRANSMISSION APPARATUS, SYSTEM, METHOD, AND NON-TRANSITORY...

METHOD AND APPARATUS FOR DOWNLINK MULTI-USER WITH DFT-S-OFDM WAVEFORM

Stretched single optical span communications system and method avoi...

Electronic Devices with High Frequency Symbol Generation

IMPROVED DATA TRANSMISSION RATES FROM OPTICAL SOURCES

FIBER OPTIC TERMINALS WITH WAVELENGTH DIVISION MULTIPLEXING AND PHY...

OPTICAL LINEWIDTH INDEPENDENT HIGH PURITY MMW/THZ GENERATOR EMPLOYI...

FIBER INDEXING SYSTEMS

Method and Apparatus for Transmitting and Receiving Client Signal i...

OPTICAL TRANSMISSION APPARATUS, OPTICAL RECEPTION APPARATUS, OPTICA...

LASER LIGHT SYSTEM WITH WAVELENGTH ATTENUATION

COMMUNICATION NETWORK TERMINATING DEVICE, COMMUNICATION SYSTEM, SIG...

OPTICAL TRANSPORT NETWORK PROTECTION ARCHITECTURE, NODES AND METHOD

DATA STORAGE

Probabilistic Constellation Shaping for Point-To-Multipoint Optical...

ALIEN WAVELENGTH MANAGEMENT

OPTICAL TRANSMISSION APPARATUS AND CONTROL METHOD OF OPTICAL TRANSM...

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

Hybrid Fiber Coaxial Node