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Arrangements for monitoring or testing transmission systems Arrangements for fault measurement of transmission systems
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ELECTRICITY
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Electric communication
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TRANSMISSION
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Transmission systems employing electromagnetic waves other than radio-waves
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Arrangements for monitoring or testing transmission systems Arrangements for fault measurement of transmission systems
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Patents Grants
last 30 patents
Information
Patent Grant
Optical access system, optical transmitter, optical receiver, optic...
Patent number
12,368,508
Issue date
Jul 22, 2025
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber optic communications and power network
Patent number
12,368,615
Issue date
Jul 22, 2025
RADIUS UNIVERSAL LLC
Donald Lee Sipes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive optical network device for detecting anomaly and method the...
Patent number
12,368,506
Issue date
Jul 22, 2025
REALTEK SINGAPORE PRIVATE LIMITED
Charles Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for real-time polarization drift compensation i...
Patent number
12,361,308
Issue date
Jul 15, 2025
Qunnect, Inc.
Mael Flament
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for monitoring a network formed by a plurality of devices
Patent number
12,355,487
Issue date
Jul 8, 2025
NEXANS
Jean-Jacques Sage
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modulator control system for interconnect transceivers
Patent number
12,355,491
Issue date
Jul 8, 2025
Huawei Technologies Co., Ltd.
Eric Bernier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical devices and systems for optical source redundancy
Patent number
12,355,494
Issue date
Jul 8, 2025
Hewlett Packard Enterprise Development LP
Stanley Cheung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Temperature control of an optical source in free space optical comm...
Patent number
12,355,495
Issue date
Jul 8, 2025
ATTOCHRON, LLC
Thomas M. Chaffee
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
Optimization of spectrum sharing in optical line systems
Patent number
12,348,265
Issue date
Jul 1, 2025
Ciena Corporation
Priyanth Mehta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Jitter measurement of the multi-level PAM eye diagram
Patent number
12,341,554
Issue date
Jun 24, 2025
Donghong Wu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Characterization of inter-channel crosstalk in an optical network
Patent number
12,341,556
Issue date
Jun 24, 2025
Microsoft Technology Licensing, LLC
Yawei Yin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detection device, optical reception device, optical communication s...
Patent number
12,341,555
Issue date
Jun 24, 2025
MEIJI UNIVERSITY & SoftBank Corp.
Shiro Ryu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information sampling analysis method, optical splitter, fiber splic...
Patent number
12,334,976
Issue date
Jun 17, 2025
Chengdu Zhuoguang Technology Co., Ltd.
Hangyu Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber optic signal monitoring
Patent number
12,334,977
Issue date
Jun 17, 2025
Schweitzer Engineering Laboratories, Inc.
David J. Dolezilek
G08 - SIGNALLING
Information
Patent Grant
Optical wavelength multiplexing transmission device and optical wav...
Patent number
12,334,979
Issue date
Jun 17, 2025
Fujitsu Limited
Shigeru Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optic power monitoring system
Patent number
12,334,974
Issue date
Jun 17, 2025
Citibank, N.A.
Raja Balasubramanian
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for in-band spectral cross-talk monitoring
Patent number
12,334,975
Issue date
Jun 17, 2025
Mellanox Technologies, Ltd.
Mir Ashkan Seyedi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Measurement apparatus and method for nonlinear damages in optical link
Patent number
12,328,140
Issue date
Jun 10, 2025
Fujitsu Limited
Yangyang Fan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power adjustment of a communication link based on state disturbance...
Patent number
12,328,146
Issue date
Jun 10, 2025
TAARA CONNECT, INC.
Paul Csonka
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
Spectrum-aware cross-layer optimization
Patent number
12,323,340
Issue date
Jun 3, 2025
Google LLC
Rodolfo Enrique Alvizu Gomez
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
Test modules for network test instrument utilizing containers
Patent number
12,323,183
Issue date
Jun 3, 2025
Viavi Solutions Inc.
Jyotikumar Menon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for determining actual values of one or more characteristics...
Patent number
12,323,185
Issue date
Jun 3, 2025
ADVA Optical Networking SE
Tobias Fehenberger
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
Bi-directional optical communication system
Patent number
12,316,375
Issue date
May 27, 2025
King Fahd University of Petroleum & Minerals
Khurram Karim Qureshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Localization of an anomaly in an optical transmission system
Patent number
12,316,372
Issue date
May 27, 2025
Fujitsu Limited
Inwoong Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Identifying and monitoring connections in an optical system
Patent number
12,316,441
Issue date
May 27, 2025
Molex, LLC
Lifu Gong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 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
SYSTEM AND METHOD FOR AUTOMATIC TUNING OF AN OPTICAL TRANSCEIVER IN...
Publication number
20250240093
Publication date
Jul 24, 2025
FONEX DATA SYSTEMS INC.
Reza MARAM
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
NETWORK-BASED BACKUP BATTERY SYSTEM
Publication number
20250240091
Publication date
Jul 24, 2025
Charter Communications Operating, LLC
Charles Cook
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION PATH CHARACTERISTIC ESTIMATION DEVICE
Publication number
20250240094
Publication date
Jul 24, 2025
Fujitsu Limited
Setsuo YOSHIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENHANCING FIELD OPERATION EFFICIENCY AND NETWORK PERFORMANCE USING...
Publication number
20250233654
Publication date
Jul 17, 2025
NEC Laboratories America, Inc.
Ming-Fang HUANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRONIC APPARATUS AND NETWORK SYSTEM
Publication number
20250233656
Publication date
Jul 17, 2025
NEC Corporation
Masashi HAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR MAPPING MULTI-STRAND FIBER-OPTIC CABLES
Publication number
20250233657
Publication date
Jul 17, 2025
Mark A. Dinjian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONFIGURABLE DISPERSION COMPENSATION IN A PLUGGABLE OPTICAL TRANSCE...
Publication number
20250233658
Publication date
Jul 17, 2025
Precision Optical Technologies, Inc.
David M. CALHOUN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, SIGNAL QUALITY MEASUREMENT APPARATUS A...
Publication number
20250233659
Publication date
Jul 17, 2025
Nippon Telegraph and Telephone Corporation
Masanori NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR PERFORMING TESTS AND MEASUREMENTS USING AN...
Publication number
20250233668
Publication date
Jul 17, 2025
VIAVI SOLUTIONS INC.
Guylain BARLOW
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
COMMUNICATION PROCESSING METHOD AND RELATED APPARATUS
Publication number
20250234118
Publication date
Jul 17, 2025
Huawei Technologies Co., Ltd
Sidi Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR DETERMINING NETWORK CONNECTION RELATIONSHIP AND COMMUNIC...
Publication number
20250227398
Publication date
Jul 10, 2025
Huawei Technologies Co., Ltd
Di Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR MONITORING OPTICAL COMMUNICATION CHANNEL
Publication number
20250226881
Publication date
Jul 10, 2025
Government of the United States of America, as Represented by the Secretary o...
Sergey Vladimirovich Polyakov
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL CABLE SAG IDENTIFICATION METHOD AND APPARATUS
Publication number
20250226882
Publication date
Jul 10, 2025
Huawei Technologies Co., Ltd
Xiaochun LIU
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
System and Method for Mapping Multi-Strand Fiber Optic Cables
Publication number
20250219728
Publication date
Jul 3, 2025
Mark A. Dinjian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSIVE OPTICAL NETWORK PERFORMANCE PARAMETER MEASUREMENT AND ONLIN...
Publication number
20250219727
Publication date
Jul 3, 2025
MaxLinear, Inc.
Gert Schedelbeck
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
Method for Testing TDEC and Related Device
Publication number
20250219726
Publication date
Jul 3, 2025
Huawei Technologies Co., Ltd
Haiyun Xin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
QUBIT CONTROL ELECTRONICS
Publication number
20250209363
Publication date
Jun 26, 2025
Google LLC
Joseph Cheney BARDIN
B82 - NANO-TECHNOLOGY
Information
Patent Application
OPTICAL FIBER ACCESSORY
Publication number
20250208358
Publication date
Jun 26, 2025
Gloriole Electroptic Technology Corp.
Hsien-Hsin HSU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR REAL-TIME MONITORING DELAY SKEW OF SUBSIGN...
Publication number
20250211329
Publication date
Jun 26, 2025
Fujitsu Limited
Tong YE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR DETERMINING OPTICAL PHASE DIFFERENCE OF SU...
Publication number
20250211330
Publication date
Jun 26, 2025
Fujitsu Limited
Tong YE
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
OPTICAL COMMUNICATION SYSTEM, OPTICAL SIGNAL CONTROL METHOD, AND OP...
Publication number
20250211358
Publication date
Jun 26, 2025
NEC Corporation
Kenji MORIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES
Publication number
20250211337
Publication date
Jun 26, 2025
Infinera Corporation
Mehdi Torbatian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FREQUENCY DOMAIN METHOD AND SYSTEM FOR MEASURING MODAL BANDWIDTH, C...
Publication number
20250202576
Publication date
Jun 19, 2025
Corning Incorporated
Xin Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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