Patent Assignment
Reel/Frame 045470/0202
Security Interest
Recorded: 2018-02-27
Pages: 17
Assignor
EXFO INC.
Executed: 2018-01-31
Assignee
NATIONAL BANK OF CANADA
1155 METCALFE STREET, 5TH FLOOR, MONTREAL, QUEBEC, H3B 4S9, CANADA
Covered Properties
(63)
Optical Time Domain Reflectometer with Internal Reference Reflector
Patent:
5,754,284 →
Application:
08/728,032 →
Optical Spectrum Analyzer
Method and Apparatus for Measuring Phase Differences Between Intensity-Modulated Optical Signals
Single Ended Dmt Test Method for Determining Adsl Capability of Cables
Measurement System for Wide Dynamic Range Optical Power Meter
Method and Apparatus for Testing Optical Networks
Method and Apparatus for Measuring Polarization Mode Dispersion
High Optical Rejection Optical Spectrum Analyzer/Monochromator
Optical Spectrum Analyzer Using a Diffraction Grating and Multi-Pass Optics
Polarization Independent Optical Sampling Arrangement
Equivalent Time Asynchronous Sampling Arrangement
Method and Apparatus for Extracting Light from an Optical Waveguide
Method and apparatus for identification of multiple fibers using an OTDR
Estimating Loss of Mechanical Splices Interconnecting Optical Fibers, and Connector Installation Tool
Optical Waveguide Rotator Mechanism, Birefringence-Inducing Element and Polarization Control Devices Employing Either or Both and Methods of Using Same
Laser for Providing Pulsed Light and Reflectometric Apparatus Incorporating Such a Laser
In-Band Optical Signal to Noise Ratio Determination Method and System
Optical Sampling with Coherent Detection
In-Band Optical Noise Measurement Using Differential Polarization Response
Sampling-Based Balanced Detection System
Method and Apparatus for Deriving Parameters of Optical Paths in Optical Networks Using Two-Wavelength Otdr and a Wavelength-Dependent Reflective Element
All-Optical, Phase Sensitive Optical Signal Sampling
Method and Apparatus for Testing Transmission Lines Normally Propagating Optical Signals
Unbalanced Mach-Zehnder Interferometer and Modulator Based Thereupon
Reference-Based in-Band Osnr Measurement on Polarization-Multiplexed Signals
Testing Network Communications Links
Multiple-Acquisition Otdr Method and Device
Method and System for Determining in-Band Optical Noise
Determining a Polarization-Related Characteristic of an Optical Link
Characterization of Non-Ase Noise on Optical Signals
Characterization of Linear Crosstalk on Multiplexed Optical Signals
Bi-Directional Multi-Pulsewidth Optical Time-Domain Reflectometer
Multiple-Acquisition Otdr Method and Device
Optical Reflectometer with Loss and/or Reflectance Profile View
Pass-Through Test Device
In-Band Osnr Measurement on Polarization-Multiplexed Signals
Signal Deformation Measurement on Polarization-Multiplexed Signals
Method and System for Common-Mode-Rejection-Ratio (Cmrr) Characterization of an Integrated Coherent Receiver
Optical Fiber Modal Distribution Conditioner
Portable Digital Holographic Probe for the Inspection of Optical Fiber Connectors, and Inspection System and Method for the Same
Multiple-Fiber Connector Inspection
Method and Apparatus for Testing Transmission Lines Normally Propagating Optical Signals
Transceiver Module Adapter Device
Network Test System
Fiber-Optic Connector Mating Assembly for Optical Test Instruments
Method and System for Measuring an Optical Loss Value of an Optical Fiber Link
Bi-Directional Multi-Pulsewidth Optical Time-Domain Reflectometer
Testing Fiber Arrangement in Multi-Fiber Cables
Multiple-Acquisition Otdr Method and Device
In-Band Noise and/or Spectral Deformation Measurement on Polarization-Multiplexed Signals
In-Band Noise Determination on Optical Communication Signals
Method for Referencing an Optical Power Loss Measurement System, and Associated Computer Readable Memory and Oplm System
Fiber Inspection Microscope and Power Measurement System, Fiber Inspection Tip and Method Using Same
Safe-Mode Otdr Method
Method and Apparatus for Testing Transmission Lines Normally Propagating Optical Signals
Adapter Tip and Microscope System for Inspection of Fiber-Optic Connector Endface
Multiple-Fiber Connector Inspection
Method and System for Measuring an Optical Power Attenuation Value of a Multimode Device Under Test, Receive Device and Computer-Readable Memory
System and Method of Communicating with and Controlling a Test Device
Multimode Launch Systems for Use in Performing an Otdr Measurement on a Multi-Fiber Array Dut and Method of Performing Same
Optical Power Measurement in a Passive Optical Network
Testing Fiber Arrangement in Multi-Fiber Cables
Multiple-Acquisition Otdr Method and Device
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.