166575 ⎘
Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infra-red, visible light, ultra-violet the material being an optical fibre using means for applying force perpendicular to the fibre axis
Sub-classes:HIGH-TEMPERATURE AND HIGH-PRESSURE CORE DISPLACEMENT TEST SYSTEM AND METHOD
#2OPTICAL FIBER SENSOR AND MAGNETIC FIELD INTENSITY MEASUREMENT DEVICE
#3MULTI-AXIS FIBER BRAGG GRATING SENSORS AND SYSTEMS
#4OPTICAL FIBER PRESSURE SENSOR ARRAY OR GRID FOR LOCATION, VIBRATION AND/OR MOTION SENSING AND MATTRESS INCLUDING THE SAME
#5Overhead power line monitoring method and sensors
#6Bragg Grated Fiber Optic Fluctuation Sensing and Monitoring System
#7OPTICAL FIBER-BASED SENSING MEMBRANE
#8Optical fiber-based sensing membrane layout
#9STRETCHABLE FIBER OPTIC PRESSURE SENSORS AND USES THEREOF
#10Bragg grated fiber optic fluctuation sensing and monitoring system
#11TWO-DIMENSIONAL OPTICAL WAVEGUIDE PRESSURE SENSOR ARRAY
#12OBJECT DETECTION DEVICE
#13Multi-axis fiber Bragg grating sensors and systems
#14TRAFFIC MONITORING USING OPTICAL SENSORS
#15Optical fiber-based sensing membrane layout
#16Optical fiber-based sensing membrane
#17Method and system for detecting and measuring a braking force of a braking system for vehicle, by means of photonic sensors incorporated in a brake pad
#18Guidewire with fiber Bragg grating strain sensors
#19Bragg grated fiber optic fluctuation sensing and monitoring system
#20Fibre optic cables
#21Atmospheric suit with integrated fiber optic sensing network
#22Distributed optical fiber sensing using point sensors
#23Environmental condition sensing system
#24AN APPARATUS AND METHOD FOR ASSESSING BALANCE
#25Evaluating method and evaluation system
#26Directional sensitive fiber optic cable wellbore system
#27Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation
#28Damage detection and warning system of a battery pack
#29Distributed measurement of minimum and maximum in-situ stress in substrates
#30Optical waveguide system for 2-dimensional location sensing
#31Optical sensor device with enhanced shock absorption
#32Force sensor
#33Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation
#34Optical fiber sensor system for strain detection
#35DIRECT LIGHT BEND SENSOR
#36Optic fibres and fibre optic sensing
#37Fibre optic cable with tuned transverse sensitivity
#38Thrust bearing for vehicle
#39Optical waveguide and position sensor using same
#40SENSING DEVICE AND METHOD FOR SENSING A FORCE
#41Portable polarimetric fiber stress sensor system for visco-elastic and biomimetic material analysis
#42Damage detection and warning system of a battery pack
#43Apparatus for sensing pressure using optical waveguide and method thereof
#44Ultra-sensitive force sensing based on evanescent light
#45Downhole drilling optimization collar with fiber optics
#46Downhole drilling optimization collar with fiber optics
#47Fiber-grating sensors having longitudinal-strain-inducing jackets and sensor systems and structures including such sensors
#48DBF fiber laser bend sensor and optical heterodyne microphone
#49Holey optical fiber with random pattern of holes and method for making same
#50Holey optical fiber with random pattern of holes and method for making same
#51Strain sensor, manufacturing method and system
#52Apparatus for sensing pressure using optical waveguide and method thereof
#53Optic fibres and fibre optic sensing
#54System and method for simultaneously determining strain and temperature characteristics of an object
#55Optical fibre cable for distributed fibre sensing
#56Shock detection optical fiber sensor
#57Device, system, and method for a stress sensing medical needle
#58Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation
#59Device and method for discrete distributed optical fiber pressure sensing
#60Optical device
#61Optical fiber sensor, pressure sensor, end effector and stress detecting method using the same
#62Fiber-optic extensometer
#63FIBER OPTIC GRATING MEASURING DEVICE
#64FORCE-MOMENT SENSOR
#65OPTICAL INTERRUPTING INTERFACE
#66Ferrule for an evanescence field sensor line
#67System for diagnosing and monitoring structural health conditions
#68HOLEY OPTICAL FIBER WITH RANDOM PATTERN OF HOLES AND METHOD FOR MAKING SAME
#69System and method for sensing loads
#70Collision detection optical fiber sensor
#71Micro-optical wall shear stress sensor
#72Sensor and disturbance measurement method using the same
#73Holey optical fiber with random pattern of holes and method for making same
#74Lithium-Niobate fiber optic sensor and system
#75Optical fiber impulse sensor fabricating method
#76System and method for measuring forces
#77Impulse sensor
#78Signal line, fence and method for manufacturing a fence
#79Fiber optic strain sensor and associated data acquisition system
#80Fiber ringdown pressure/force sensors
#81Holey optical fiber with random pattern of holes and method for making same
#82Pressure sensor having an optical waveguide and method for pressure detection
#83Fiber optic cable arrangement