164883 ⎘
Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre Optical fibre sensor using a particular arrangement of the optical fibre itself
Sub-classes:METHOD AND SYSTEM FOR MEASURING THE POSITION OF A TRANSLATIONALLY MOVABLE ELEMENT OF A NUCLEAR REACTOR
#2High-Q whispering gallery mode (WGM) resonators encapsulated in polydimethylsilozane (PDMS) for highly sensitive displacement detection
#3OFF-AXIS FIBER OPTIC SENSOR
#4OPTICAL FIBER SENSOR AND CHANGE DETECTION METHOD
#5Method and Apparatus for Optical Sensing
#6Triggering distributed acoustic sensing downhole using an active fiber stretcher assembly
#7Optical position-measuring device
#8Method and apparatus for optical sensing
#9Five-degree-of-freedom heterodyne grating interferometry system
#10Tracking cementing plug position during cementing operations
#11Metal-embedded optical fibers for monitoring pressure or corrosion at high temperatures
#12Method and apparatus for optical sensing
#13Stress-managed specialty fiber for sensory application
#14Waveguide for guiding an electro-magnetic wave comprising plural waveguide parts with different widths extend in parallel planes
#15Sensor device and measuring method comprising plural light guides with each second end disposed at a defined perpendicular distance to the first end on a carrier
#16Distributed pressure sensing
#17Optical fiber sensor device and optical fiber sensor system
#18Optical probe for measuring the level of a liquid in a tank
#19System and method for interrogating an intrinsic fiber optic sensor
#20Methodology for in situ characterizing and calibrating an entangled photon distribution system
#21Method and apparatus for optical sensing
#22Steel cable
#23Strain/force sensor device for monitoring wear on overhead lines
#24Optical measuring system with an interrogator and a polymer-based single-mode fibre-optic sensor system
#25Method and apparatus for motion compensation in interferometric sensing systems
#26System and method for monitoring strain in roadway optical cable
#27Fiber optic sensing using soluble layers
#28Optical fiber cable
#29Impact-detection device, in particular for a missile comprising at least one waveguide extends through the cross-section of an annual ring
#30Optical component, sensor and method for measuring an expansion and/or a temperature
#31Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signal
#32Method and apparatus for optical sensing
#33Non-linear frequency scan optical frequency-domain reflectometry having a processor to estimate a backscattering profile of an optical fiber by applying a predefined function to a beat signal
#34Modifying optical signals output by a wavelength division demultiplexer to detect subterranean physical properties
#35Damped fiber optic accelerometers, sensors, and sensor assemblies, and methods of assembling the same
#36Sensor system for laminated structures
#37Device for monitoring wear on overhead lines
#38Optical fiber cable
#39Embedding fiber optic cables in rotorcraft composites
#40Fiber optic cantilever acoustic vector sensor
#41Flexible optical impact detection sensor for front rail mounted airbag
#42Light guide sensor, and method of forming light guide sensor
#43Fiber optic sensing apparatus and method for sensing parameters involving different parameter modalities
#44Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systems
#45Optical fiber grating sensor system and method comprising plural optical gratings having partially overlapping operating ranges
#46Apparatus for measuring mechanical measurands with optical sensor
#47Strain sensing cable
#48Method and system for estimating fluid leak flow rates using distributed optical fiber sensors
#49Method for producing a bending sensor
#50Fiber optic sensing device and method
#51FIBER OPTIC SENSOR WITH PROTECTIVE CLADDING AND FABRICATION METHODS
#52Composite structure with embedded optical fiber and a process for its repair