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H04B10/2513
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ELECTRICITY
H04
Electric communication
H04B
TRANSMISSION
H04B10/00
Transmission systems employing electromagnetic waves other than radio-waves
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H04B10/2513
due to chromatic dispersion
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Patents Grants
last 30 patents
Information
Patent Grant
Optical transmission system, control apparatus, optical transmissio...
Patent number
12,184,337
Issue date
Dec 31, 2024
Nippon Telegraph and Telephone Corporation
Shuto Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for chromatic dispersion pre-compensation
Patent number
12,101,120
Issue date
Sep 24, 2024
Cable Television Laboratories, Inc.
Mu Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter
Patent number
12,081,319
Issue date
Sep 3, 2024
Cambridge Enterprise Limited
Andrea C. Ferrari
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
Chromatic dispersion tolerant PAM-M transceiver for optical routing...
Patent number
12,047,208
Issue date
Jul 23, 2024
Telefonaktiebolaget LM Ericsson (publ)
Ramon Gutierrez Castrejon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chromatic dispersion estimation method for coherent optical network
Patent number
11,984,928
Issue date
May 14, 2024
Cable Television Laboratories, Inc.
Junwen Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission device and optical communication system
Patent number
11,942,993
Issue date
Mar 26, 2024
Molex, LLC
Kuen-Ting Tsai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength dispersion compensation apparatus and wavelength dispers...
Patent number
11,929,784
Issue date
Mar 12, 2024
Nippon Telegraph and Telephone Corporation
Shimpei Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Implementing low-loss variable optical delay lines
Patent number
11,817,906
Issue date
Nov 14, 2023
Mellanox Technologies, Ltd.
Mir Ashkan Seyedi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission and reception system, optical transmitter, and...
Patent number
11,799,551
Issue date
Oct 24, 2023
Fujitsu Limited
Tomohiro Naganuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlling compensation of chromatic dispersion in optical transpo...
Patent number
11,784,714
Issue date
Oct 10, 2023
Telefonaktiebolaget LM Ericsson (publ)
Giulio Bottari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system, optical transceiver, control method by commun...
Patent number
11,784,716
Issue date
Oct 10, 2023
Sumitomo Electric Device Innovations, Inc.
Yuji Kosugi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical dispersion compensator
Patent number
11,764,872
Issue date
Sep 19, 2023
Telefonaktiebolaget LM Ericsson (publ)
Fabio Cavaliere
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical DSP operating at half-baud rate with full data rate converters
Patent number
11,750,287
Issue date
Sep 5, 2023
Ciena Corporation
Sadok Aouini
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optical network device and method for monitoring transmission line
Patent number
11,742,978
Issue date
Aug 29, 2023
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength dispersion amount calculation apparatus and wavelength d...
Patent number
11,742,950
Issue date
Aug 29, 2023
Nippon Telegraph and Telephone Corporation
Shimpei Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength dispersion compensation apparatus, optical receiving app...
Patent number
11,683,093
Issue date
Jun 20, 2023
Nippon Telegraph and Telephone Corporation
Masanori Nakamura
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Dispersion compensation
Patent number
11,658,745
Issue date
May 23, 2023
Telefonaktiebolaget LM Ericsson (publ)
Roberto Magri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chromatic dispersion equalizer adaption systems and methods
Patent number
11,621,782
Issue date
Apr 4, 2023
Maxim Integrated Products, Inc.
Charles Razzell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for chromatic dispersion pre-compensation
Patent number
11,546,058
Issue date
Jan 3, 2023
Cable Television Laboratories, Inc.
Mu Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chirp-compensating transmitter and method
Patent number
11,539,441
Issue date
Dec 27, 2022
Cable Television Laboratories, Inc.
Mu Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiver using a photonic integrated circuit with array of...
Patent number
11,522,332
Issue date
Dec 6, 2022
Nguyen Tan Hung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for extending path length of a wave signal using...
Patent number
11,467,759
Issue date
Oct 11, 2022
LYTELOOP TECHNOLOGIES, LLC
Paul Francis McManamon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for monitoring polarization change
Patent number
11,463,172
Issue date
Oct 4, 2022
Fujitsu Limited
Jingnan Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Blind estimation of residual chromatic dispersion and carrier frequ...
Patent number
11,451,304
Issue date
Sep 20, 2022
Ciena Corporation
Tung Trong Nguyen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quantum key distribution systems having low loss dispersion limitin...
Patent number
11,431,419
Issue date
Aug 30, 2022
Corning Incorporated
Ming-Jun Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for analog electronic fiber dispersion and ban...
Patent number
11,418,259
Issue date
Aug 16, 2022
NeoPhotonics Corporation
Winston I. Way
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for electro-optic modulation
Patent number
11,418,264
Issue date
Aug 16, 2022
University of Southampton
Graham Trevor Reed
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for longitudinal performance monitoring of an opt...
Patent number
11,405,104
Issue date
Aug 2, 2022
Huawei Technologies Co., Ltd.
Choloong Hahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission/reception unit and apparatus for signal transfer
Patent number
11,394,460
Issue date
Jul 19, 2022
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
Tobias Schneider
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DISPERSION COMPENSATING DISCRETE PHASE FILTERS
Publication number
20250015892
Publication date
Jan 9, 2025
FONEX DATA SYSTEMS INC.
Saket KAUSHAL
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION AND RECEPTION SYSTEM, OPTICAL TRANSMISSION AND...
Publication number
20240421911
Publication date
Dec 19, 2024
Fujitsu Limited
TOMOHIRO NAGANUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL SIGNAL PROCESSING CIRCUIT, METHOD, RECEIVER, AND COMMUNICAT...
Publication number
20240405874
Publication date
Dec 5, 2024
NEC Corporation
Masaki Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, RECEIVER, EQUALIZATION SIGNAL PROCESSING CIRC...
Publication number
20240283546
Publication date
Aug 22, 2024
NEC Corporation
Manabu Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD
Publication number
20240267122
Publication date
Aug 8, 2024
Nippon Telegraph and Telephone Corporation
Kota ITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WAVEGUIDE, OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNICAT...
Publication number
20240069273
Publication date
Feb 29, 2024
SONY GROUP CORPORATION
HIROSHI MORITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECEIVER-BASED FIBER-OPTIC LINK MONITOR
Publication number
20240007187
Publication date
Jan 4, 2024
Nokia Solutions and Networks Oy
Paolo SERENA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHROMATIC DISPERSION PRE-COMPENSATION OVER BI-DIRECTIONAL OPTICAL LINK
Publication number
20230403077
Publication date
Dec 14, 2023
Huawei Technologies Co., Ltd
Stefano Calabro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, CONTROL APPARATUS, OPTICAL TRANSMISSIO...
Publication number
20230291482
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Shuto YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM
Publication number
20230216586
Publication date
Jul 6, 2023
Nippon Telegraph and Telephone Corporation
Kyo MINOGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMAL OPERATION METHOD OF HIGH-FREQUENCY PHASE DITHERING TECHNIQU...
Publication number
20230216585
Publication date
Jul 6, 2023
Korea Advanced Institute of Science and Technology
Yun Chur CHUNG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION AND RECEPTION SYSTEM, OPTICAL TRANSMITTER, AND...
Publication number
20230198621
Publication date
Jun 22, 2023
Fujitsu Limited
TOMOHIRO NAGANUMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Chromatic Dispersion Tolerant PAM-M Transceiver for Optical Routing...
Publication number
20230171135
Publication date
Jun 1, 2023
Telefonaktiebolaget LM Ericsson (publ)
Ramon Gutierrez Castrejon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Controlling Compensation of Chromatic Dispersion in Optical Transpo...
Publication number
20230102960
Publication date
Mar 30, 2023
Telefonaktiebolaget LM Ericsson (publ)
Giulio Bottari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Integrated Module Having Multiple Optical Channel Monitors With Sha...
Publication number
20230061448
Publication date
Mar 2, 2023
II-VI Delaware, Inc.
Guomin JIANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL COMMUNICATION SYSTEM
Publication number
20230034936
Publication date
Feb 2, 2023
Molex, LLC
Kuen-Ting TSAI
G02 - OPTICS
Information
Patent Application
OPTICAL MODULE, DATA CENTER SYSTEM, AND DATA TRANSMISSION METHOD
Publication number
20230007370
Publication date
Jan 5, 2023
Huawei Technologies Co., Ltd
Guangcan MI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, OPTICAL TRANSCEIVER, CONTROL METHOD BY COMMUN...
Publication number
20220416899
Publication date
Dec 29, 2022
SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
Yuji KOSUGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DISPERSION AMOUNT CALCULATION APPARATUS AND WAVELENGTH D...
Publication number
20220407600
Publication date
Dec 22, 2022
Nippon Telegraph and Telephone Corporation
Shimpei SHIMIZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical DSP operating at half-baud rate with full data rate converters
Publication number
20220385365
Publication date
Dec 1, 2022
CIENA CORPORATION
Sadok Aouini
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVER USING A PHOTONIC INTEGRATED CIRCUIT WITH ARRAY OF...
Publication number
20220320814
Publication date
Oct 6, 2022
NGUYEN TAN HUNG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CHROMATIC DISPERSION EQUALIZER ADAPTION SYSTEMS AND METHODS
Publication number
20220255629
Publication date
Aug 11, 2022
Maxim Integrated Products, Inc.
Charles Razzell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Integrated Module Having Multiple Optical Channel Monitors With Sha...
Publication number
20220252793
Publication date
Aug 11, 2022
II-VI Delaware, Inc.
Guomin JIANG
G02 - OPTICS
Information
Patent Application
WAVELENGTH DISPERSION COMPENSATION APPARATUS, OPTICAL RECEIVING APP...
Publication number
20220224415
Publication date
Jul 14, 2022
Nippon Telegraph and Telephone Corporation
Masanori NAKAMURA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OPTICAL NETWORK DEVICE AND METHOD FOR MONITORING TRANSMISSION LINE
Publication number
20220209884
Publication date
Jun 30, 2022
Fujitsu Limited
Kazuyuki TAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ALL-OPTICAL MULTI-RATE SYSTEMS AND METHODS
Publication number
20220200704
Publication date
Jun 23, 2022
Mer-CellO Wireless Solutions LTD.
Yossef Ben-Ezra
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR MONITORING POLARIZATION CHANGE
Publication number
20220149941
Publication date
May 12, 2022
Fujitsu Limited
Jingnan LI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER
Publication number
20220149967
Publication date
May 12, 2022
Andrea C. FERRARI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and System for Electro-Optic Modulation
Publication number
20220131616
Publication date
Apr 28, 2022
University of Southampton
Graham Trevor REED
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING APPARATUS AND WAVEFORM DISTORTION COMPENSATION ME...
Publication number
20220094440
Publication date
Mar 24, 2022
Nippon Telegraph and Telephone Corporation
Seiji OKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE