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Bernard Ruchet
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Quebec, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Optical power measurement in a passive optical network
Patent number
10,574,378
Issue date
Feb 25, 2020
EXFO Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical power measurement in a passive optical network
Patent number
10,270,554
Issue date
Apr 23, 2019
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multimode launch systems for use in performing an OTDR measurement...
Patent number
10,200,118
Issue date
Feb 5, 2019
Exfo Inc.
Bernard Ruchet
G02 - OPTICS
Information
Patent Grant
Multiple-fiber connector inspection
Patent number
10,175,142
Issue date
Jan 8, 2019
Exfo Inc.
Denis Lafrance
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multimode launch systems for use in performing an OTDR measurement...
Patent number
9,900,087
Issue date
Feb 20, 2018
Exfo Inc.
Bernard Ruchet
G02 - OPTICS
Information
Patent Grant
Optical power measurement in a passive optical network
Patent number
9,831,948
Issue date
Nov 28, 2017
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for measuring an optical power attenuation value...
Patent number
9,825,700
Issue date
Nov 21, 2017
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable digital holographic probe for the inspection of optical fi...
Patent number
9,733,616
Issue date
Aug 15, 2017
Exfo Inc.
Bernard Ruchet
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for testing transmission lines normally propag...
Patent number
9,654,213
Issue date
May 16, 2017
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Characterization of non-ASE noise on optical signals
Patent number
9,438,336
Issue date
Sep 6, 2016
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for testing transmission lines normally propag...
Patent number
9,287,974
Issue date
Mar 15, 2016
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for testing transmission lines normally propag...
Patent number
8,861,953
Issue date
Oct 14, 2014
EXFO Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
All-optical, phase sensitive optical signal sampling
Patent number
8,768,180
Issue date
Jul 1, 2014
ExFo, Inc.
Mathias Westlund
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Unbalanced Mach-Zehnder interferometer and modulator based thereupon
Patent number
8,554,023
Issue date
Oct 8, 2013
Exfo Inc.
Bernard Ruchet
G02 - OPTICS
Information
Patent Grant
Method and apparatus for identification of multiple fibers using an...
Patent number
8,482,725
Issue date
Jul 9, 2013
Exfo Inc.
Stéphane Perron
G01 - MEASURING TESTING
Information
Patent Grant
Optical waveguide rotator mechanism, birefringence-inducing element...
Patent number
8,373,852
Issue date
Feb 12, 2013
Exfo Inc.
Bernard Ruchet
G02 - OPTICS
Information
Patent Grant
Method and apparatus for testing transmission lines normally propag...
Patent number
7,995,915
Issue date
Aug 9, 2011
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of and apparatus for making wavelength-resolved polarimetric...
Patent number
6,856,398
Issue date
Feb 15, 2005
EXFO Electro-Optical Engineering Inc.
Bernard Ruchet
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL POWER MEASUREMENT IN A PASSIVE OPTICAL NETWORK
Publication number
20190245641
Publication date
Aug 8, 2019
EXFO INC.
Bernard RUCHET
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIMODE LAUNCH SYSTEMS FOR USE IN PERFORMING AN OTDR MEASUREMENT...
Publication number
20180131437
Publication date
May 10, 2018
EXFO INC.
Bernard Ruchet
G02 - OPTICS
Information
Patent Application
OPTICAL POWER MEASUREMENT IN A PASSIVE OPTICAL NETWORK
Publication number
20180076890
Publication date
Mar 15, 2018
EXFO INC.
Bernard RUCHET
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL POWER MEASUREMENT IN A PASSIVE OPTICAL NETWORK
Publication number
20170085318
Publication date
Mar 23, 2017
EXFO INC.
Bernard RUCHET
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIMODE LAUNCH SYSTEMS FOR USE IN PERFORMING AN OTDR MEASUREMENT...
Publication number
20170085317
Publication date
Mar 23, 2017
EXFO INC.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIPLE-FIBER CONNECTOR INSPECTION
Publication number
20170003195
Publication date
Jan 5, 2017
EXFO INC.
Denis LAFRANCE
G02 - OPTICS
Information
Patent Application
METHOD AND SYSTEM FOR MEASURING AN OPTICAL POWER ATTENUATION VALUE...
Publication number
20160337034
Publication date
Nov 17, 2016
EXFO INC.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR MEASURING AN OPTICAL POWER ATTENUATION VALUE...
Publication number
20160218802
Publication date
Jul 28, 2016
EXFO INC.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR TESTING TRANSMISSION LINES NORMALLY PROPAG...
Publication number
20160197674
Publication date
Jul 7, 2016
EXFO INC.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR TESTING TRANSMISSION LINES NORMALLY PROPAG...
Publication number
20140363157
Publication date
Dec 11, 2014
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PORTABLE DIGITAL HOLOGRAPHIC PROBE FOR THE INSPECTION OF OPTICAL FI...
Publication number
20140327735
Publication date
Nov 6, 2014
Bernard Ruchet
G02 - OPTICS
Information
Patent Application
CHARACTERIZATION OF NON-ASE NOISE ON OPTICAL SIGNALS
Publication number
20130330071
Publication date
Dec 12, 2013
EXFO INC.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
UNBALANCED MACH-ZEHNDER INTERFEROMETER AND MODULATOR BASED THEREUPON
Publication number
20120189238
Publication date
Jul 26, 2012
Bernard Ruchet
G02 - OPTICS
Information
Patent Application
All-Optical, Phase Sensitive Optical Signal Sampling
Publication number
20120134667
Publication date
May 31, 2012
EXFO INC.
Mathias Westlund
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR TESTING TRANSMISSION LINES NORMALLY PROPA...
Publication number
20110293267
Publication date
Dec 1, 2011
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for identification of multiple fibers using an...
Publication number
20090268197
Publication date
Oct 29, 2009
Stephane Perron
G01 - MEASURING TESTING
Information
Patent Application
Optical waveguide rotator mechanism, birefringence-inducing element...
Publication number
20090135409
Publication date
May 28, 2009
Bernard Ruchet
G02 - OPTICS
Information
Patent Application
Method and apparatus for testing transmission lines normally propag...
Publication number
20070154212
Publication date
Jul 5, 2007
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of and apparatus for making wavelength-resolved polarimetric...
Publication number
20030095264
Publication date
May 22, 2003
Bernard Ruchet
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for measuring state of polarization of a lightwave
Publication number
20030075676
Publication date
Apr 24, 2003
Bernard Ruchet
G01 - MEASURING TESTING