using a reflected signal

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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

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for monitoring optical networks
- Patent number 12,355,486
- Issue date Jul 8, 2025
- Comcast Cable Communications, LLC
- Venk Mutalik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber time domain reflectometer OTDR, test system, test met...
- Patent number 12,348,264
- Issue date Jul 1, 2025
- Cuihong Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Event detection device and event detection method
- Patent number 12,326,379
- Issue date Jun 10, 2025
- Anritsu Corporation
- Ryota Takasu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing device, processing method, and recording medium
- Patent number 12,323,182
- Issue date Jun 3, 2025
- NEC Corporation
- Yutaka Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device
- Patent number 12,323,181
- Issue date Jun 3, 2025
- SOLID, INC.
- Eun Sung Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and method for controlling communication system
- Patent number 12,301,295
- Issue date May 13, 2025
- NEC Corporation
- Yutaka Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time synchronization method with trusted beacons and distributed fi...
- Patent number 12,289,132
- Issue date Apr 29, 2025
- NEC Corporation
- Christopher White
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber span characterization utilizing paired optical time domain re...
- Patent number 12,281,959
- Issue date Apr 22, 2025
- II-VI DELAWARE, INC.
- Michael J. Cahill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for identifying fiber link failures in an optic...
- Patent number 12,278,662
- Issue date Apr 15, 2025
- Mellanox Technologies, Ltd.
- Paraskevas Bakopoulos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for optical timing transfer
- Patent number 12,273,145
- Issue date Apr 8, 2025
- Inter-University Research Institute Corporation National Institutes of Natura...
- Hitoshi Kiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time-domain reflectometer (OTDR) including channel checker
- Patent number 12,255,682
- Issue date Mar 18, 2025
- Viavi Solutions Inc.
- Vincent Lecoeuche
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-diversity optical power supply
- Patent number 12,250,027
- Issue date Mar 11, 2025
- Nubis Communications, Inc.
- Peter Johannes Winzer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Same-cable probability detection method and apparatus
- Patent number 12,244,338
- Issue date Mar 4, 2025
- Huawei Technologies Co., Ltd.
- Xianlong Luo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for detecting an improper protection in an optica...
- Patent number 12,237,866
- Issue date Feb 25, 2025
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault locating method, apparatus, and system
- Patent number 12,231,162
- Issue date Feb 18, 2025
- Huawei Technologies Co., Ltd.
- Zhenhua Dong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time domain reflector structure and the optical assembly th...
- Patent number 12,224,793
- Issue date Feb 11, 2025
- EZconn Corporation
- Chin-Tsung Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time-domain reflectometer (OTDR) event detection and light...
- Patent number 12,224,794
- Issue date Feb 11, 2025
- Viavi Solutions Inc.
- Benoit Morel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing algorithm for detecting red palm weevils using op...
- Patent number 12,203,895
- Issue date Jan 21, 2025
- King Abdullah University of Science and Technology
- Boon Siew Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light leakage confirmation method, light leakage confirmation appar...
- Patent number 12,199,664
- Issue date Jan 14, 2025
- Nippon Telegraph and Telephone Corporation
- Ryo Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processing method and apparatus
- Patent number 12,199,677
- Issue date Jan 14, 2025
- Huawei Technologies Co., Ltd.
- Shiyi Cao
- H01 - BASIC ELECTRIC ELEMENTS
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

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR IDENTIFYING FIBER LINK FAILURES IN AN OPTIC...
- Publication number 20250240092
- Publication date Jul 24, 2025
- MELLANOX TECHNOLOGIES, LTD.
- Paraskevas Bakopoulos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR AUTOMATIC TEST AND TURN-UP OF OPTICAL TRANS...
- Publication number 20250237575
- Publication date Jul 24, 2025
- VERIZON PATENT AND LICENSING INC.
- Tiejun J. Xia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBSEA FIBER OPTIC SYSTEM WITH REAL-TIME LONG DISTANCE DAS/DTS MEAS...
- Publication number 20250233655
- Publication date Jul 17, 2025
- Chevron U.S.A. Inc.
- Masoud Hajiaghajani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREE SPACE OPTICAL COMMUNICATION SYSTEM, MANAGEMENT APPARATUS, AND...
- Publication number 20250219729
- Publication date Jul 3, 2025
- NEC CORPORATION
- Hisashi TSURUTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULE, OPTICAL COMMUNICATION DEVICE, AND OPTICAL COMMUNICA...
- Publication number 20250219725
- Publication date Jul 3, 2025
- Huawei Technologies Co., Ltd
- Fang Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Shared OTDR Resource
- Publication number 20250211328
- Publication date Jun 26, 2025
- II-VI Delaware, Inc.
- Ian Peter McClean
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for proactively detecting faulty optical fibers...
- Publication number 20250192882
- Publication date Jun 12, 2025
- EXFO INC.
- Christopher DAUMER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD
- Publication number 20250184001
- Publication date Jun 5, 2025
- Fujitsu Limited
- Yusaku YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR) EVENT DETECTION AND LIGHT...
- Publication number 20250175250
- Publication date May 29, 2025
- VIAVI SOLUTIONS INC.
- Benoit MOREL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional Optical Time Domain Reflectometer using a single wave...
- Publication number 20250167884
- Publication date May 22, 2025
- CIENA CORPORATION
- Jean-Luc Archambault
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF PHASE OPTICAL TIME DOMAIN REFLECTOMETER
- Publication number 20250141542
- Publication date May 1, 2025
- Infinera Corp.
- Pierre Mertz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOCURRENT SENSING FOR FEEDBACK CONTROL
- Publication number 20250141560
- Publication date May 1, 2025
- MaxLinear, Inc.
- Abdelkrim El Amili
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional Optical Communication Fiber Sensing Control Device
- Publication number 20250130096
- Publication date Apr 24, 2025
- Nokia Solutions and Networks Oy
- Mijail Szczerban Gonzalez
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR IMPROVING SIDELOBE CANCELLATION IN CODED O...
- Publication number 20250132827
- Publication date Apr 24, 2025
- Huawei Technologies Co., Ltd
- Xiang LIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTED ACOUSTIC SENSING TO IDENTIFY NON-DISJOINT PATHS IN COMM...
- Publication number 20250125869
- Publication date Apr 17, 2025
- FRONTIER COMMUNICATIONS HOLDINGS, LLC
- David M. CURRAN
- G01 - MEASURING TESTING
Information Patent Application
CASCADED DFOS TO REDUCE SYSTEM COST AND INCREASE SENSING REACH
- Publication number 20250123127
- Publication date Apr 17, 2025
- NEC Laboratories America, Inc.
- Junqiang HU
- G01 - MEASURING TESTING
Information Patent Application
SINGLE CHANNEL OPTICAL COEFFICIENT DATA
- Publication number 20250085140
- Publication date Mar 13, 2025
- Simmonds Precision Products, Inc.
- Eric M. DeWind
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS
- Publication number 20250070868
- Publication date Feb 27, 2025
- Nippon Telegraph and Telephone Corporation
- Tomohiro KAWANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR DISTRIBUTED FIBER SENSING FOR ULTRA-LONG-HA...
- Publication number 20250055563
- Publication date Feb 13, 2025
- VERIZON PATENT AND LICENSING INC.
- Tiejun J. Xia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR INSPECTING A FIBERED OPTICAL PATH
- Publication number 20250047378
- Publication date Feb 6, 2025
- Huawei Technologies Co., Ltd
- ZHIPING JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACTIVITY DETECTION IN FIBER OPTIC NETWORK
- Publication number 20250044528
- Publication date Feb 6, 2025
- CyberSecure Innovations, LLC
- Bobby NAKANELUA
- G02 - OPTICS
Information Patent Application
OPTICAL SUB-ASSEMBLY WITH OTDR FILTER AND METHOD OF ASSEMBLING THEREOF
- Publication number 20250020541
- Publication date Jan 16, 2025
- EZconn Corporation
- Chin-Tsung Wu
- G01 - MEASURING TESTING
Information Patent Application
CALIBRATION METHOD FOR CALIBRATING A MEASUREMENT SYSTEM
- Publication number 20250020752
- Publication date Jan 16, 2025
- ROHDE &SCHWARZ GMBH & CO. KG
- Julius SEEGER
- G01 - MEASURING TESTING
Information Patent Application
COEXISTENCE MODULE FOR ACCOMODATING OPTICAL TIME DOMAIN REFLECTOMET...
- Publication number 20250023635
- Publication date Jan 16, 2025
- CommScope Technologies LLC
- Jill Anne MALECHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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

using a reflected signal

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods and systems for monitoring optical networks

Optical fiber time domain reflectometer OTDR, test system, test met...

Event detection device and event detection method

Processing device, processing method, and recording medium

Optical communication device

Communication system and method for controlling communication system

Time synchronization method with trusted beacons and distributed fi...

Fiber span characterization utilizing paired optical time domain re...

Systems and methods for identifying fiber link failures in an optic...

Method and system for optical timing transfer

Optical time-domain reflectometer (OTDR) including channel checker

Polarization-diversity optical power supply

Same-cable probability detection method and apparatus

Method and system for detecting an improper protection in an optica...

Fault locating method, apparatus, and system

Optical time domain reflector structure and the optical assembly th...

Optical time-domain reflectometer (OTDR) event detection and light...

Signal processing algorithm for detecting red palm weevils using op...

Light leakage confirmation method, light leakage confirmation appar...

Optical signal processing method and apparatus

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...

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR IDENTIFYING FIBER LINK FAILURES IN AN OPTIC...

SYSTEMS AND METHODS FOR AUTOMATIC TEST AND TURN-UP OF OPTICAL TRANS...

SUBSEA FIBER OPTIC SYSTEM WITH REAL-TIME LONG DISTANCE DAS/DTS MEAS...

FREE SPACE OPTICAL COMMUNICATION SYSTEM, MANAGEMENT APPARATUS, AND...

OPTICAL MODULE, OPTICAL COMMUNICATION DEVICE, AND OPTICAL COMMUNICA...

Shared OTDR Resource

Systems and methods for proactively detecting faulty optical fibers...

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR) EVENT DETECTION AND LIGHT...

Bidirectional Optical Time Domain Reflectometer using a single wave...

RF PHASE OPTICAL TIME DOMAIN REFLECTOMETER

PHOTOCURRENT SENSING FOR FEEDBACK CONTROL

Bidirectional Optical Communication Fiber Sensing Control Device

METHOD AND APPARATUS FOR IMPROVING SIDELOBE CANCELLATION IN CODED O...

DISTRIBUTED ACOUSTIC SENSING TO IDENTIFY NON-DISJOINT PATHS IN COMM...

CASCADED DFOS TO REDUCE SYSTEM COST AND INCREASE SENSING REACH

SINGLE CHANNEL OPTICAL COEFFICIENT DATA

OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS

SYSTEMS AND METHODS FOR DISTRIBUTED FIBER SENSING FOR ULTRA-LONG-HA...

METHOD AND SYSTEM FOR INSPECTING A FIBERED OPTICAL PATH

ACTIVITY DETECTION IN FIBER OPTIC NETWORK

OPTICAL SUB-ASSEMBLY WITH OTDR FILTER AND METHOD OF ASSEMBLING THEREOF

CALIBRATION METHOD FOR CALIBRATING A MEASUREMENT SYSTEM

COEXISTENCE MODULE FOR ACCOMODATING OPTICAL TIME DOMAIN REFLECTOMET...

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