using a reflected signal

Industry

CPC
H04B10/071

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/071using a reflected signal

Industries

Patents Grantslast 30 patents

Information Patent Grant
Signal detection method and optical time-domain reflectometer
- Patent number 12,181,370
- Issue date Dec 31, 2024
- Huawei Technologies Co., Ltd.
- Chao Pan
- G01 - MEASURING TESTING
Information Patent Grant
Laser safety shutoff or power reduction for optically amplified fib...
- Patent number 12,176,946
- Issue date Dec 24, 2024
- Ciena Corporation
- Paul Chedore
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic optical link calibration of amplified optical links
- Patent number 12,160,306
- Issue date Dec 3, 2024
- Ciena Corporation
- Choudhury A. Al Sayeed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatuses integrating separate WDM modules and OTDR/switch modules
- Patent number 12,149,281
- Issue date Nov 19, 2024
- Viavi Solutions Inc.
- Patrick Faraj
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus based on wireless optical communication
- Patent number 12,149,282
- Issue date Nov 19, 2024
- Korea University Research and Business Foundation
- Young-Chai Ko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analyzing performance of fibers and fiber connections using long-te...
- Patent number 12,149,284
- Issue date Nov 19, 2024
- Ciena Corporation
- Emil Janulewicz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Termination determination device and termination determination method
- Patent number 12,107,624
- Issue date Oct 1, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroyuki Iida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Port identification method, apparatus, and system
- Patent number 12,101,117
- Issue date Sep 24, 2024
- Huawei Technologies Co., Ltd.
- Zhenhua Dong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber connection measurement system and method
- Patent number 12,101,115
- Issue date Sep 24, 2024
- BERBERS OPTICAL NETWORK SERVICE B.V.
- Enrico François Hubert Berbers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for correcting phase noise and/or drift occurring in optical...
- Patent number 12,101,116
- Issue date Sep 24, 2024
- Rohde & Schwarz GmbH & Co. KG
- Julius Seeger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Splitter, optical distribution network, and method for determining...
- Patent number 12,099,240
- Issue date Sep 24, 2024
- Huawei Technologies Co., Ltd.
- Biao Qi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hollow core fiber for secure optical communication
- Patent number 12,092,860
- Issue date Sep 17, 2024
- Ciena Corporation
- Michael Y. Frankel
- G08 - SIGNALLING
Information Patent Grant
Optical time-domain reflectometer (OTDR)-based high reflective even...
- Patent number 12,088,336
- Issue date Sep 10, 2024
- Viavi Solutions Inc.
- Benjamin Cuenot
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed acoustic sensing using dynamic range suppression
- Patent number 12,055,803
- Issue date Aug 6, 2024
- NEC Corporation
- Ezra Ip
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spectral averaging of OTDR traces
- Patent number 12,050,150
- Issue date Jul 30, 2024
- Exfo Inc.
- Michel Leclerc
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DFOS self-anomaly detection system for safer infrastructures
- Patent number 12,051,309
- Issue date Jul 30, 2024
- NEC Corporation
- Ming-Fang Huang
- G08 - SIGNALLING
Information Patent Grant
System and method for automated identification of fiber capacity
- Patent number 12,034,475
- Issue date Jul 9, 2024
- Jio Platforms Limited
- Harshad Vasudeo Acharya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Aerial optical fiber cable inspection method, aerial optical fiber...
- Patent number 12,031,858
- Issue date Jul 9, 2024
- Nippon Telegraph and Telephone Corporation
- Tatsuya Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and methods for an optical multimode channel bandwidth an...
- Patent number 12,034,476
- Issue date Jul 9, 2024
- Panduit Corp.
- Jose M. Castro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High speed bidirectional optical time-domain reflectometer (OTDR)-b...
- Patent number 12,028,107
- Issue date Jul 2, 2024
- Viavi Solutions Inc.
- Charlène Roux
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber optic test methods, fiber optic test equipment, and programs
- Patent number 12,007,298
- Issue date Jun 11, 2024
- Nippon Telegraph and Telephone Corporation
- Nazuki Honda
- G01 - MEASURING TESTING
Information Patent Grant
Channel predictive behavior and fault analysis
- Patent number 12,003,282
- Issue date Jun 4, 2024
- Cisco Technology, Inc.
- Amendra Koul
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power-over-fiber system
- Patent number 11,949,248
- Issue date Apr 2, 2024
- Kyocera Corporation
- Takahiro Kobayashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatuses and methods for optical code-delay reflectometry (OcoDR)
- Patent number 11,949,458
- Issue date Apr 2, 2024
- SEQUENT LOGIC, LLC
- Ryan Seeley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time-domain reflectometer (OTDR) including channel checker
- Patent number 11,942,986
- Issue date Mar 26, 2024
- Viavi Solutions Inc.
- Vincent Lecoeuche
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control and prognosis of power electronic devices using light
- Patent number 11,936,421
- Issue date Mar 19, 2024
- The Regents of the Univeristy of California
- Keith Corzine
- G02 - OPTICS
Information Patent Grant
Port-identified optical signal splitter
- Patent number 11,923,893
- Issue date Mar 5, 2024
- AT&T Intellectual Property I, L.P.
- Ricky Perry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calculation of distributed birefringence and polarization mode disp...
- Patent number 11,923,898
- Issue date Mar 5, 2024
- Luna Innovations Incorporated
- Stephen T. Kreger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surveying system and surveying method
- Patent number 11,920,962
- Issue date Mar 5, 2024
- NEC Corporation
- Yutaka Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic optical time-domain reflectometer (OTDR)-based testing of...
- Patent number 11,923,894
- Issue date Mar 5, 2024
- Viavi Solutions Inc.
- Julien Barrier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TIME DOMAIN REFLECTOMETER (OTDR)-BASED FIBER MONITORING OPT...
- Publication number 20250007604
- Publication date Jan 2, 2025
- VIAVI SOLUTIONS INC.
- Vincent LECOEUCHE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH SPEED BIDIRECTIONAL OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR)-B...
- Publication number 20240421900
- Publication date Dec 19, 2024
- VIAVI SOLUTIONS INC.
- Charlène ROUX
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING DEVICE, AND OPT...
- Publication number 20240405866
- Publication date Dec 5, 2024
- NEC Corporation
- Tadayuki IWANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING METHOD, AND ONU
- Publication number 20240405865
- Publication date Dec 5, 2024
- NEC Corporation
- Tadayuki IWANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Performing Optical Time Domain Reflectomet...
- Publication number 20240369446
- Publication date Nov 7, 2024
- Telefonaktiebolaget LM Ericsson (publ)
- Roberto Magri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus for Fiber Optic Cable Loss Measurement
- Publication number 20240372613
- Publication date Nov 7, 2024
- United States of America as represented by the Secretary of the Navy
- Mark Beranek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reconfigurable Software-Defined Optical Time-Domain Reflectometer f...
- Publication number 20240364419
- Publication date Oct 31, 2024
- The Government of the United States of America, as represented by the Secreta...
- Tao Wei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fiber optic cable fault locating apparatus
- Publication number 20240333380
- Publication date Oct 3, 2024
- CIENA CORPORATION
- Choudhury A. Al Sayeed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
A METHOD FOR DETERMINING INFORMATION ASSOCIATED WITH AN OPTICAL COM...
- Publication number 20240322904
- Publication date Sep 26, 2024
- Telefonaktiebolaget LM Ericsson (publ)
- Sergio MOSTI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DETECTING AN IMPROPER PROTECTION IN AN OPTICA...
- Publication number 20240313858
- Publication date Sep 19, 2024
- Huawei Technologies Co., Ltd
- Zhiping JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Laser safety shutoff or power reduction for optically amplified fib...
- Publication number 20240305368
- Publication date Sep 12, 2024
- CIENA CORPORATION
- Paul Chedore
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Environmental Change Detection
- Publication number 20240297712
- Publication date Sep 5, 2024
- NPL Management Limited
- Giuseppe Marra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method of Optical Fiber Characterization Via Communicati...
- Publication number 20240297711
- Publication date Sep 5, 2024
- GolFoton Holdings, Inc.
- Kenichiro Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pluggable OTDR With Integrated BOSA
- Publication number 20240248000
- Publication date Jul 25, 2024
- II-VI Delaware, Inc.
- Siegfried Fleischer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER MONITORING
- Publication number 20240223274
- Publication date Jul 4, 2024
- VIAVI SOLUTIONS INC.
- Michel SAGET
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR SUPPRESSING INTERFERENCE FADING NOISE OF OPTI...
- Publication number 20240204872
- Publication date Jun 20, 2024
- CHINA NATIONAL PETROLEUM CORPORATION
- Yanpeng LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR) INCLUDING CHANNEL CHECKER
- Publication number 20240195497
- Publication date Jun 13, 2024
- VIAVI SOLUTIONS INC.
- Vincent LECOEUCHE
- G01 - MEASURING TESTING
Information Patent Application
FREE-SPACE OPTICAL COMMUNICATION APPARATUS AND METHOD FOR CONTROLLI...
- Publication number 20240171276
- Publication date May 23, 2024
- NEC Corporation
- Hisashi MIZUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PASSIVE OPTICAL NETWORK MONITORING
- Publication number 20240146410
- Publication date May 2, 2024
- Corning Research & Development Corporation
- David Francis Dawson-Elli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Link Diagnostic System
- Publication number 20240137674
- Publication date Apr 25, 2024
- Google LLC
- Jill Berger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fiber Span Characterization Utilizing Paired Optical Time Domain Re...
- Publication number 20240110845
- Publication date Apr 4, 2024
- II-VI Delaware, Inc.
- Michael J. Cahill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL CONTROL APPARATUS, OPTICAL TRANSMISSION PATH MONITORING MET...
- Publication number 20240097781
- Publication date Mar 21, 2024
- NEC Corporation
- Naofumi KUROSAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR CORRECTING PHASE NOISE AND/OR DRIFT OCCURRING IN OPTICAL...
- Publication number 20240080096
- Publication date Mar 7, 2024
- ROHDE & SCHWARZ GMBH & CO. KG
- Julius Seeger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL MONITORING APPARATUS, OPTICAL SIGNAL MONITORING SYST...
- Publication number 20240072890
- Publication date Feb 29, 2024
- NEC Corporation
- Ryota ABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR IMPLEMENTING A FIBER OPTIC REFLECTANCE ST...
- Publication number 20240072889
- Publication date Feb 29, 2024
- The United States of America, as represented by the Secretary of the Navy
- Lance S. Doddridge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULAR CELL SITE INSTALLATION, TESTING, MEASUREMENT, AND MAINTENAN...
- Publication number 20240063900
- Publication date Feb 22, 2024
- VIAVI SOLUTIONS INC.
- Reza VAEZ-GHAEMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DEVICE, OPTICAL DEVICE, CONTROL LIGHT GENERATION METHO...
- Publication number 20240064444
- Publication date Feb 22, 2024
- NEC Corporation
- Taketo Onuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HOLLOW CORE FIBER FOR SECURE OPTICAL COMMUNICATION
- Publication number 20240061169
- Publication date Feb 22, 2024
- CIENA CORPORATION
- Michael Y. FRANKEL
- G08 - SIGNALLING
Information Patent Application
OPTICAL PATH IDENTIFICATION DEVICE, OPTICAL PATH IDENTIFICATION MET...
- Publication number 20240063899
- Publication date Feb 22, 2024
- NEC Corporation
- Akira MASUDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBRE ASSEMBLIES AND METHODS OF USE
- Publication number 20240053534
- Publication date Feb 15, 2024
- Microsoft Technology Licensing, LLC
- Andrew Thomas HARKER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using a reflected signal

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Signal detection method and optical time-domain reflectometer

Laser safety shutoff or power reduction for optically amplified fib...

Automatic optical link calibration of amplified optical links

Apparatuses integrating separate WDM modules and OTDR/switch modules

Apparatus based on wireless optical communication

Analyzing performance of fibers and fiber connections using long-te...

Termination determination device and termination determination method

Port identification method, apparatus, and system

Optical fiber connection measurement system and method

System for correcting phase noise and/or drift occurring in optical...

Splitter, optical distribution network, and method for determining...

Hollow core fiber for secure optical communication

Optical time-domain reflectometer (OTDR)-based high reflective even...

Distributed acoustic sensing using dynamic range suppression

Spectral averaging of OTDR traces

DFOS self-anomaly detection system for safer infrastructures

System and method for automated identification of fiber capacity

Aerial optical fiber cable inspection method, aerial optical fiber...

Apparatus and methods for an optical multimode channel bandwidth an...

High speed bidirectional optical time-domain reflectometer (OTDR)-b...

Fiber optic test methods, fiber optic test equipment, and programs

Channel predictive behavior and fault analysis

Power-over-fiber system

Apparatuses and methods for optical code-delay reflectometry (OcoDR)

Optical time-domain reflectometer (OTDR) including channel checker

Control and prognosis of power electronic devices using light

Port-identified optical signal splitter

Calculation of distributed birefringence and polarization mode disp...

Surveying system and surveying method

Automatic optical time-domain reflectometer (OTDR)-based testing of...

Patents Applicationslast 30 patents

OPTICAL TIME DOMAIN REFLECTOMETER (OTDR)-BASED FIBER MONITORING OPT...

HIGH SPEED BIDIRECTIONAL OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR)-B...

OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING DEVICE, AND OPT...

OPTICAL FIBER SENSING SYSTEM, OPTICAL FIBER SENSING METHOD, AND ONU

Method and Apparatus for Performing Optical Time Domain Reflectomet...

Apparatus for Fiber Optic Cable Loss Measurement

Reconfigurable Software-Defined Optical Time-Domain Reflectometer f...

Fiber optic cable fault locating apparatus

A METHOD FOR DETERMINING INFORMATION ASSOCIATED WITH AN OPTICAL COM...

METHOD AND SYSTEM FOR DETECTING AN IMPROPER PROTECTION IN AN OPTICA...

Laser safety shutoff or power reduction for optically amplified fib...

Environmental Change Detection

System and Method of Optical Fiber Characterization Via Communicati...

Pluggable OTDR With Integrated BOSA

OPTICAL FIBER MONITORING

METHOD AND DEVICE FOR SUPPRESSING INTERFERENCE FADING NOISE OF OPTI...

OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR) INCLUDING CHANNEL CHECKER

FREE-SPACE OPTICAL COMMUNICATION APPARATUS AND METHOD FOR CONTROLLI...

PASSIVE OPTICAL NETWORK MONITORING

Optical Link Diagnostic System

Fiber Span Characterization Utilizing Paired Optical Time Domain Re...

OPTICAL CONTROL APPARATUS, OPTICAL TRANSMISSION PATH MONITORING MET...

SYSTEM FOR CORRECTING PHASE NOISE AND/OR DRIFT OCCURRING IN OPTICAL...

OPTICAL SIGNAL MONITORING APPARATUS, OPTICAL SIGNAL MONITORING SYST...

METHODS AND APPARATUS FOR IMPLEMENTING A FIBER OPTIC REFLECTANCE ST...

MODULAR CELL SITE INSTALLATION, TESTING, MEASUREMENT, AND MAINTENAN...

LIGHT SOURCE DEVICE, OPTICAL DEVICE, CONTROL LIGHT GENERATION METHO...

HOLLOW CORE FIBER FOR SECURE OPTICAL COMMUNICATION

OPTICAL PATH IDENTIFICATION DEVICE, OPTICAL PATH IDENTIFICATION MET...

OPTICAL FIBRE ASSEMBLIES AND METHODS OF USE