Matches 1 - 50 out of 113 1 2 3 >


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US20110259115 STRUCTURAL LOAD MONITORING USING COLLARS AND CONNECTING ELEMENTS WITH STRAIN SENSORS  
A system and method for measuring loads on a pipe, including a pair of collars that can be secured around the outer surface of the pipe to be monitored in an axially spaced relationship; and a...
US20140033825 Method and assembly for sensing permanent deformation of a structure  
The present invention relates to a method of sensing permanent deformation of a structure, the method comprising the steps of; determining the strain required to permanently deform a structure;...
US20120174683 ELECTRIC CABLE WITH BENDING SENSOR AND MONITORING SYSTEM AND METHOD FOR DETECTING BENDING IN AT LEAST ONE ELECTRIC CABLE  
A method for monitoring at least the bending strain of at least one electric cable provided with at least one peripheral mechanically non-symmetric strength member is provided.
US20120147384 STRAIN GAUGE, AND SYSTEM FOR SPATIALLY LOCATING SUCH GAUGES  
A strain gauge includes a substrate (2) for mounting an element (3) to be reversibly lengthened by a force applied while displaying a variation in the resistance thereof, the element (3)...
US20120067134 DISPLAY BENDER AND METHOD OF TESTING FLEXIBLE DISPLAY  
Some embodiments include an apparatus for testing flexible displays. The apparatus can include: (a) a first clamp configured to receive a first end of the flexible display; (b) a second clamp...
US20120132009 FIBER OPTIC SHAPE SENSOR  
A shape sensing system to determine the position and orientation of one link with respect to another link in a kinematic chain. An optical fiber is coupled to two or more links in a kinematic...
US20120082422 ELECTRIC CABLE WITH STRAIN SENSOR AND MONITORING SYSTEM AND METHOD FOR DETECTING STRAIN IN AT LEAST ONE ELECTRIC CABLE  
An electric cable includes a strain sensor longitudinally extending along the cable and including a strain optical fibre arranged within a bending neutral region surrounding and including a...
US20100326200 Shear Stress Measurement Apparatus  
A shear stress sensor for measuring the shear force of a fluid flowing along a wall. A floating member, flush with the wall, senses a shear force of the flowing fluid. The floating member is...
US20090193906 COMPOSITE FIBRE AND RELATED DETECTION SYSTEM  
This invention relates to a composite fibre including at least a first and second component, wherein at least one of the components is an optical fiber, and the components are intertwined.
US20140150563 STRAIN SENSING CABLE  
A strain sensing cable including one or more strain sensing elements and a strain transfer medium extruded directly onto the one or more strain sensing elements disposed within the strain transfer...
US20120132008 FIBER OPTIC LOAD MEASUREMENT DEVICE  
A measurement device may include a loadable member that supports a load and measures the force created in the loadable member by the load. The loadable member may have an aperture and an optical...
US20150020604 APPARATUS AND METHOD FOR MEASURING THE SLOSHING IN THE CARGO TANK OF A LIQUEFIED NATURAL GAS CARRIER  
An apparatus and method for measuring the sloshing in the cargo tank of a liquefied natural gas carrier is provided. The apparatus includes: a plate-shaped floating mat coupler which floats on the...
US20150040678 TABLET TEST STATION  
The invention relates to a tablet test station, including at least one receptacle for the transfer of tablets from an outlet of a feed device and at least one test means for inspecting, testing...
US20150114130 DISTRIBUTED PRESSURE MEASUREMENT BY EMBEDDED FIBER OPTIC STRAIN SENSOR  
A pressure sensing pad includes a flexible planar layer having a two-dimensional sensing area, and an optical fiber embedded in the plane of the flexible planar layer traversing the...
US20140047926 FRAME FOOT LOADING MEASUREMENT SYSTEM USING FIBER OPTIC SENSING TECHNIQUE  
A fiber Bragg grating (FBG) based sensor is used as a strain sensing element to determine frame foot loading of a generator. Three FBGs may be used in tandem to form a basic Frame Foot Loading...
US20130255397 OPTICAL FIBER TENSILE SCREENING METHOD AND DEVICE  
A method and device for continuously testing the tensile strength of an optical fiber, wherein the incoming optical fiber is wrapped at least partially around a payout capstan, to an intermediate...
US20130345856 Identification of Plastic Material Composition  
Identification of a material composition. The material composition is configured with a color additive that is embedded or otherwise not visible. The color additive identifies the specific...
US20130341249 Identification of Plastic Material Composition  
Identification of a material composition. The material composition is configured with a color additive that is embedded or otherwise not visible. The color additive identifies the specific...
US20120234101 Pressure and Measurement by Means of An Optical Fiber  
An optical fiber (FD) that can be used for measuring pressure is arranged as follows. The optical fiber (FD) comprises a core (CO) and a cladding (CL) surrounding and contacting the core (CO). A...
US20100300209 OPTICAL STRAIN GAUGE  
The invention relates to a strain gauge, comprising at least one optical waveguide (5) fastened to a thin support (1). The optical waveguide (5) has at least one section (10) with a fiber Bragg...
US20120272744 FIBER OPTIC SENSOR BASED ON SPIRAL STRUCTURE  
A fiber optic sensor based on spiral structure is a multi-loop spiral member formed by spring wire. A plurality of deformation teeth are continuously distributed on the upper surface and the lower...
US20100313668 FIBER STRAIN SENSOR AND MEASUREMENT SYSTEM FOR REPEATED LARGE DEFORMATION  
A measurement system (10) for detecting repeated large deformation comprising: a fiber optical strain sensor (12) including a flexible polymer optical fiber (POF) (20) in the form of a series of...
US20130091956 SENSING ASSEMBLY  
A sensing assembly including a fiber for monitoring at least one condition or parameter and a strip formed from a pair of laminae disposed with the fiber. The laminae are arranged parallel to each...
US20150020605 SYSTEM FOR LOCATING ELECTRIC CABLES  
A system for locating a cable tethered from a mobile machine along a worksite is disclosed. The cable transmits electric power to the mobile machine from a power source. A fiber optic cable is...
US20090019940 Load detecting sensor and collision detecting sensor using the same  
A load detecting sensor includes a first member, a second member, and an optical fiber. The first member has a groove having a bottom portion and a column portion which defines the groove. The...
US20130255398 WIND TURBINE BLADE WITH OPTICAL SENSOR SYSTEM  
Wind turbine blade comprising a sensor system with an optical path comprising a first optical sensor fiber, a second optical sensor fiber and a patch optical fiber, the first optical sensor fiber...
US20110044574 METHODS AND SYSTEMS OF INSTALLING CABLE FOR MEASUREMENT OF A PHYSICAL PARAMETER  
A method of installing a cable for the distributed measurement of a physical parameter, includes providing a cable adapted to measure a physical parameter at a plurality of points along the...
US20140298918 BROADBAND ELECTROMECHANICAL SPECTROSCOPY  
An apparatus, method, and material wherein the material's viscoelastic and/or fatigue life may be altered by application of a secondary tuning electromagnetic field or a selected temperature, and...
US20130139606 METHOD AND APPARATUS FOR FIXING STRAINED OPTICAL FIBERS AGAINST CREEP AND TEMPERATURE AND STRAIN SENSORS USING SAID TECHNOLOGY  
Optical fiber anchors accomplishing low creep confinement or fixing of a section of optical fiber in an assembly compact enough to be used conveniently as an anchor or as an enabling part of a...
US20130036829 OPTICAL SHEAR SENSOR AND METHOD OF PRODUCING SUCH AN OPTICAL SHEAR SENSOR  
An optical shear sensor that includes a first and second outer surface at opposing sides and a sensing element is disclosed. In one aspect, the sensing element has an optoelectronic source for...
US20140331779 STRUCTURAL STRAIN SENSING OPTICAL CABLE  
A strain-sensing cable is provided. The strain sensing cable includes a jacket, a first optical fiber and a second optical fiber. The first optical fiber is located within the jacket and is...
US20100018321 NSMS flight laser detector system  
A method includes rotating a rotor, measuring a rotor rotational time for the rotor to complete a revolution, determining a blade interval by dividing the rotor rotational time by a number of...
US20060130591 Venous needle dislodgement sensor  
A dislodgement sensor for use with dialysis and other blood transfusion equipment that detects when a venous needle is dislodged from a patient. The sensor includes a photosensor attached to the...
US20150219509 METHOD AND DEVICE FOR PRESSURE SENSING  
A method for performing distributed pressure sensing including the steps of, forming a grating in a birefringent fiber, measuring the birefringence distribution along the length of the...
US20150033868 TRANSVERSAL LOAD INSENSITIVE OPTICAL WAVEGUIDE, AND OPTICAL SENSOR COMPRISING A WAVE GUIDE  
A transversal load insensitive optical waveguide includes a primary section having a core. The waveguide may further include an outer cladding. The primary section includes a primary section...
US20130036830 TENSOMETRIC TRANSDUCER  
The tensometric transducer comprises a load element which is fixed to an object to be monitored, and a piezo-optical transducer which converts the magnitude of the stresses on a photoelastic...
US20110247427 STRAIN SENSING WITH OPTICAL FIBER ROSETTES  
One or more mechanical parameters of a structure subjected to a force or condition are measured using distributed, optical fiber sensing technology. At least a curved portion an optical fiber...
US20140053654 Shape Sensing Using a Multi-Core Optical Fiber Having an Arbitrary Initial Shape in the Presence of Extrinsic Forces  
Shape of a multi-core optical fiber is determined by positioning the fiber in an arbitrary initial shape and measuring strain over the fiber's length using strain sensors. A three-coordinate...
US20120160031 OPTICAL TACTILE SENSORS  
A sensor for sensing pressure is disclosed. The sensor may be a pressure sensor for sensing pressure, or a tactile sensor for sensing tactile events through pressure measurement. In one aspect,...
US20090324409 ROTOR BLADE MONITORING  
A method of monitoring mechanical characteristics of helicopter rotor blades 1 comprises mounting at least one strain sensor 2 to at least one rotor blade 1 and measuring the mechanical load on...
US20100242619 SYSTEM AND METHOD FOR PREVENTING STRAIN CAUSED ERRORS IN FIBER OPTIC SENSORS  
An encapsulated fiber Bragg grating sensor is provided wherein the EFL of sensor as well as the coefficient of friction between the sensor and the encapsulating tubing is controlled to minimize...
US20130247681 TORSION MEASUREMENT DEVICE  
A torsion measurement device is disclosed. In one embodiment, the device includes a component having a marked surface and an optical sensor. The marked component and the optical sensor may be...
US20090114033 Stress History Recording System  
Provided is a stress history recording system for recording a stress history, which includes a light emitting means including a stress-stimulated luminescent material that emits light in response...
US20140026674 METHOD FOR FATIGUE ASSESSMENT OF ROLLING BEARING  
The present invention related to a method, and an apparatus arrangement, for determining a fatigue limit for rolling contact initiated fatigue of a rolling bearing. The method comprises running a...
US20130098164 TRIBOLUMINESCENT OPTICAL FIBER SENSOR  
A sensor that can be used for in-situ structural health monitoring with a triboluminescent material provided on a portion of an optical fiber that may be embedded in materials to be structurally...
US20140083197 DISTRIBUTED SENSING EMPLOYING STIMULATED BRILLOUIN SCATTERING IN OPTICAL FIBERS  
Disclosed are methods and devices for distributed sensing of a measurable parameter employing stimulated Brillouin scattering in an optical fiber. A frequency-modulated or phase-modulated light...
US20140230562 TUBULAR INSERTION DEVICE  
A tubular insertion device includes a tubular insertion portion including a flexible portion in a predetermined part, bending sensors distributed and arranged in the flexible portion, and an...
US20140311250 FGB STRAIN SENSOR FOR CURVED SURFACES  
An FBG strain sensor for measuring strains to curved surfaces, includes a fibre which is fixed between two securing elements whose undersides are designed as adhesive surfaces, the optical fibre...
US20120265051 APPARATUS AND METHODS FOR MRI-COMPATIBLE HAPTIC INTERFACE  
In one embodiment, the system of these teachings includes a master robot/haptic device providing haptic feedback to and receiving position commands from an operator, a robot controller receiving...
US20140257139 OPTICAL SENSING DEVICE  
The present disclosure provides an optical sensing device that comprises a plurality of optical light guide portions. Each optical light guide portion has a sensing region for sensing a property....

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