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in which light is projected from both sides of the fiber or waveguide end-face
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G01M11/39
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PHYSICS
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Measuring instruments
G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
G01M11/00
Testing of optical apparatus Testing structures by optical methods not otherwise provided for
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G01M11/39
in which light is projected from both sides of the fiber or waveguide end-face
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Patents Grants
last 30 patents
Information
Patent Grant
Duplex visual tester for fiber optics
Patent number
12,031,880
Issue date
Jul 9, 2024
Brett Bradley
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical sensing system
Patent number
11,927,496
Issue date
Mar 12, 2024
Airbus Operations Limited
Matthew Gadd
G01 - MEASURING TESTING
Information
Patent Grant
Long-distance optical fiber detecting method, apparatus, device and...
Patent number
11,901,937
Issue date
Feb 13, 2024
Accelink Technologies Co., Ltd.
Qi Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber evaluation method and optical fiber evaluation apparatus
Patent number
11,879,803
Issue date
Jan 23, 2024
Nippon Telegraph and Telephone Corporation
Tomokazu Oda
G01 - MEASURING TESTING
Information
Patent Grant
Fiber-optic testing source and fiber-optic testing receiver for mul...
Patent number
11,860,058
Issue date
Jan 2, 2024
Viavi Solutions Inc.
Joachim Lönne
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light intensity distribution measurement method and light intensity...
Patent number
11,788,928
Issue date
Oct 17, 2023
Nippon Telegraph and Telephone Corporation
Tomokazu Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for determining deformation in a cable
Patent number
11,733,071
Issue date
Aug 22, 2023
NEXANS
Roberto Gaspari
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber test method and optical fiber test device
Patent number
11,719,599
Issue date
Aug 8, 2023
Nippon Telegraph and Telephone Corporation
Atsushi Nakamura
G01 - MEASURING TESTING
Information
Patent Grant
Propagation characteristic analysis device and propagation characte...
Patent number
11,378,489
Issue date
Jul 5, 2022
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber characterization measurement systems and methods
Patent number
11,201,667
Issue date
Dec 14, 2021
Ciena Corporation
Jean-Luc Archambault
G01 - MEASURING TESTING
Information
Patent Grant
Nonlinearity measuring method and nonlinearity measuring device
Patent number
11,156,529
Issue date
Oct 26, 2021
Sumitomo Electric Industries, Ltd.
Takemi Hasegawa
G01 - MEASURING TESTING
Information
Patent Grant
Fiber-optic testing source and fiber-optic testing receiver for mul...
Patent number
11,002,631
Issue date
May 11, 2021
VIAVI Solutions Inc.
Joachim Lönne
G01 - MEASURING TESTING
Information
Patent Grant
Measurement method, measurement device, and non-transitory recordin...
Patent number
10,760,993
Issue date
Sep 1, 2020
Fujikura Ltd.
Ryo Maruyama
G01 - MEASURING TESTING
Information
Patent Grant
Fiber-optic testing source and fiber-optic testing receiver for mul...
Patent number
10,508,972
Issue date
Dec 17, 2019
VIAVI Solutions Inc.
Joachim Lönne
G02 - OPTICS
Information
Patent Grant
Nonlinear spatially resolved interferometer for characterizing opti...
Patent number
10,193,620
Issue date
Jan 29, 2019
Ciena Corporation
Andrew D. Shiner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spectrally efficient optical frequency-domain reflectometry using I...
Patent number
10,190,940
Issue date
Jan 29, 2019
DSIT Solutions Ltd.
Avishay Eyal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for an ultimately fast frequency-scanning brillou...
Patent number
10,036,686
Issue date
Jul 31, 2018
Ramot at Tel Aviv University Ltd.
Moshe Tur
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber property measuring device and optical fiber property...
Patent number
9,784,643
Issue date
Oct 10, 2017
The University of Tokyo
Kazuo Hotate
G01 - MEASURING TESTING
Information
Patent Grant
Redundant optical fiber system and method for remotely monitoring t...
Patent number
9,784,642
Issue date
Oct 10, 2017
OneSubsea IP UK Limited
Andrew Strong
G01 - MEASURING TESTING
Information
Patent Grant
Measuring method of longitudinal distribution of bending loss of op...
Patent number
9,562,827
Issue date
Feb 7, 2017
Fujikura Ltd.
Shoji Tanigawa
G01 - MEASURING TESTING
Information
Patent Grant
Bi-directional multi-pulsewidth optical time-domain reflectometer
Patent number
9,506,838
Issue date
Nov 29, 2016
Exfo Inc.
Mario L'Heureux
G01 - MEASURING TESTING
Information
Patent Grant
Sensor and method of sensing
Patent number
9,500,596
Issue date
Nov 22, 2016
OMNISENS SA
Julien Gosteli
G01 - MEASURING TESTING
Information
Patent Grant
Sagnac interferometer event sensing and locating device
Patent number
9,356,691
Issue date
May 31, 2016
The Cleveland Electric Laboratories Co.
Scott V. Johnson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bi-directional multi-pulsewidth optical time-domain reflectometer
Patent number
9,134,197
Issue date
Sep 15, 2015
Exfo Inc.
Mario L'Heureux
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber characteristics measurement device and method
Patent number
9,109,977
Issue date
Aug 18, 2015
The University of Tokyo
Masato Kishi
G01 - MEASURING TESTING
Information
Patent Grant
BOTDA system that combined optical pulse coding techniques and cohe...
Patent number
8,988,671
Issue date
Mar 24, 2015
Nanjing University
Xuping Zhang
G01 - MEASURING TESTING
Information
Patent Grant
Fast brillouin optical time domain analysis for dynamic sensing
Patent number
8,982,340
Issue date
Mar 17, 2015
Ramot at Tel-Aviv University Ltd.
Yair Peled
G01 - MEASURING TESTING
Information
Patent Grant
Distributed optical fiber sensor system
Patent number
8,926,173
Issue date
Jan 6, 2015
UTO International Corporation
Michael Lee
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for measuring chromatic dispersion
Patent number
8,351,783
Issue date
Jan 8, 2013
Sumitomo Electric Industries, Ltd.
Masaaki Hirano
G01 - MEASURING TESTING
Information
Patent Grant
Methods and devices for testing an optical fiber
Patent number
8,199,318
Issue date
Jun 12, 2012
Corning Cable Systems LLC
Mark Edward Conner
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Duplex visual tester for fiber optics
Publication number
20230349789
Publication date
Nov 2, 2023
Brett BRADLEY
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER EVALUATION METHOD AND OPTICAL FIBER EVALUATION APPARATUS
Publication number
20230144218
Publication date
May 11, 2023
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
LONG-DISTANCE OPTICAL FIBER DETECTING METHOD, APPARATUS, DEVICE AND...
Publication number
20230106273
Publication date
Apr 6, 2023
ACCELINK TECHNOLOGIES CO., LTD.
Qi Zhou
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER TEST METHOD AND OPTICAL FIBER TEST DEVICE
Publication number
20220381645
Publication date
Dec 1, 2022
Nippon Telegraph and Telephone Corporation
Atsushi NAKAMURA
G01 - MEASURING TESTING
Information
Patent Application
LIGHT INTENSITY DISTRIBUTION MEASUREMENT METHOD AND LIGHT INTENSITY...
Publication number
20220260454
Publication date
Aug 18, 2022
Nippon Telegraph and Telephone Corporation
Tomokazu ODA
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND SYSTEM FOR DETERMINING DEFORMATION IN A CABLE
Publication number
20210285801
Publication date
Sep 16, 2021
NEXANS
Roberto GASPARI
G01 - MEASURING TESTING
Information
Patent Application
FIBER-OPTIC TESTING SOURCE AND FIBER-OPTIC TESTING RECEIVER FOR MUL...
Publication number
20210239568
Publication date
Aug 5, 2021
VIAVI Solutions Inc.
Joachim LONNE
G01 - MEASURING TESTING
Information
Patent Application
Optical fiber characterization measurement systems and methods
Publication number
20210211193
Publication date
Jul 8, 2021
CIENA CORPORATION
Jean-Luc Archambault
G01 - MEASURING TESTING
Information
Patent Application
Propagation Characteristic Analysis Device and Propagation Characte...
Publication number
20200408636
Publication date
Dec 31, 2020
Nippon Telegraph and Telephone Corporation
Hiroshi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FIBER-OPTIC TESTING SOURCE AND FIBER-OPTIC TESTING RECEIVER FOR MUL...
Publication number
20200096416
Publication date
Mar 26, 2020
VIAVI Solutions Inc.
Joachim LÖNNE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NONLINEARITY MEASURING METHOD AND NONLINEARITY MEASURING DEVICE
Publication number
20200056958
Publication date
Feb 20, 2020
Sumitomo Electric Industries, Ltd.
Takemi HASEGAWA
G02 - OPTICS
Information
Patent Application
SPECTRALLY EFFICIENT OPTICAL FREQUENCY-DOMAIN REFLECTOMETRY USING I...
Publication number
20170307475
Publication date
Oct 26, 2017
DSIT SOLUTIONS LTD.
Avishay Eyal
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER PROPERTY MEASURING DEVICE AND OPTICAL FIBER PROPERTY...
Publication number
20160273999
Publication date
Sep 22, 2016
THE UNIVERSITY OF TOKYO
Kazuo Hotate
G01 - MEASURING TESTING
Information
Patent Application
BOTDA System that Combined Optical Pulse Coding Techniques and Cohe...
Publication number
20140218717
Publication date
Aug 7, 2014
Nanjing University
Xuping Zhang
G01 - MEASURING TESTING
Information
Patent Application
BI-DIRECTIONAL MULTI-PULSEWIDTH OPTICAL TIME-DOMAIN REFLECTOMETER
Publication number
20140198311
Publication date
Jul 17, 2014
EXFO INC.
Mario L'Heureux
G01 - MEASURING TESTING
Information
Patent Application
SENSOR AND METHOD OF SENSING
Publication number
20140152982
Publication date
Jun 5, 2014
OMNISENS SA
Julien Gosteli
G01 - MEASURING TESTING
Information
Patent Application
SAGNAC INTERFEROMETER EVENT SENSING AND LOCATING DEVICE
Publication number
20140050473
Publication date
Feb 20, 2014
CLEVELAND ELECTRIC LABORATORIES CO.
Scott V. Johnson
G02 - OPTICS
Information
Patent Application
FAST BRILLOUIN OPTICAL TIME DOMAIN ANALYSIS FOR DYNAMIC SENSING
Publication number
20140022536
Publication date
Jan 23, 2014
YAIR PELED
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER CHARACTERISTICS MEASUREMENT DEVICE AND METHOD
Publication number
20130308123
Publication date
Nov 21, 2013
The University of Tokyo
Masato Kishi
G01 - MEASURING TESTING
Information
Patent Application
DISTRIBUTED AND DYNAMICAL BRILLOUIN SENSING IN OPTICAL FIBERS
Publication number
20130308682
Publication date
Nov 21, 2013
Ramot at Tel Aviv University Ltd.
Moshe Tur
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR CENTRAL FREQUENCY ESTIMATION
Publication number
20130018633
Publication date
Jan 17, 2013
UNIVERSITY OF NEW BRUNSWICK
Mohsen Amiri Farahani
G01 - MEASURING TESTING
Information
Patent Application
MEASURING METHOD OF LONGITUDINAL DISTRIBUTION OF BENDING LOSS OF OP...
Publication number
20120042696
Publication date
Feb 23, 2012
Nippon Telegraph and Telephone Corporation
Shoji TANIGAWA
G01 - MEASURING TESTING
Information
Patent Application
Redundant Optical Fiber System and Method for Remotely Monitoring t...
Publication number
20110242525
Publication date
Oct 6, 2011
Andrew Strong
G01 - MEASURING TESTING
Information
Patent Application
DISTRIBUTED OPTICAL FIBER SENSOR SYSTEM
Publication number
20110044371
Publication date
Feb 24, 2011
UTO INTERNATIONAL CORPORATION
Michael Lee
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER CHARACTERISTIC MEASURING DEVICE AND METHOD
Publication number
20110032517
Publication date
Feb 10, 2011
MITSUBISHI HEAVY INDUSTRIES, LTD.
Kazuo Hotate
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER FEATURE DISTRIBUTION SENSOR
Publication number
20100238427
Publication date
Sep 23, 2010
Sumitomo Electric Industries, Ltd.
Eisuke Sasaoka
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL-FIBER-CHARACTERISTIC MEASURING DEVICE AND OPTICAL-FIBER-CHA...
Publication number
20100225900
Publication date
Sep 9, 2010
THE UNIVERSITY OF TOKYO
Kazuo Hotate
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHOD FOR MEASURING CHROMATIC DISPERSION
Publication number
20100209101
Publication date
Aug 19, 2010
Masaaki Hirano
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR MEASURING POLARIZATION CHARACTERISTICS OF OPTICAL FIBER,...
Publication number
20100128257
Publication date
May 27, 2010
Yoshinori Yamamoto
G01 - MEASURING TESTING
Information
Patent Application
Methods and devices for testing an optical fiber
Publication number
20100066997
Publication date
Mar 18, 2010
Mark Edward Conner
G02 - OPTICS