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Measuring And Testing > Specimen Stress Or Strain, Or Testing By Stress Or Strain Application > By Loading Of Specimen (e.g., Strength Of Material Test) > Optical OpticalOptical patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.09/13/07 - 20070209447 - In-situ large area optical strain measurement using an encoded dot pattern A method of measuring strain in a test specimen comprises the steps of placing a pattern of marks on a surface of the test specimen, wherein the pattern of marks includes a plurality of target marks and a plurality of sets of coded marks, using the sets of coded marks ... 08/23/07 - 20070193362 - Fiber optic strain gage Fiber optical gages that impart physical strain to an optical fiber by varying the tension applied axially to the fiber, which causes a change in the optical property of the light transmitted through the fiber. A gage carrier which provides the benefits of a metal carrier for ease of handling ... 08/16/07 - 20070186671 - High mast inspection system, equipment and method An inspection system for removably mounting to a platform movable in relation to a generally upright mast for inspection of the mast has a mounting support assembly removably fixable to the platform. The mounting support assembly for scanning the mast carries a detector device and collecting mast scanned information. A ... 07/19/07 - 20070163358 - Board deflection metrology using photoelectric amplifiers Manufacturers test printed circuit boards (PCB) to ensure that all components have been soldered to the correctly. Some tests cause the boards to deflect, which can damage component-to-board interfaces (i.e., solder joints) or components. Embodiments of the present invention measure the amount of PCB deflection before, during, and after the ... 05/17/07 - 20070107529 - Uniaxial thermal and/or mechanical deformation-measuring device system and method employing a bragg grating optical fibre Uniaxial deformation-measuring device includes a section of optical fiber equipped with a Bragg grating aligned with the measurement axis, and a test body subjected to the deformations to be measured, this device includes the fixing points for attaching the fiber to the test body. The fixing points are separated by ... 04/26/07 - 20070089529 - Method and system for determining mail piece dimensions using swept laser beam A method of measuring a mailpiece includes deflecting a laser beam through an arc, determining an angle at which the laser beam is currently directed, and calculating a dimension of the mailpiece based at least in part on the determined angle. ... 03/08/07 - 20070051183 - Device for detecting synchronous errors of high-lift surfaces on aircraft The present invention relates to a device for detecting synchronous errors of high-lift surfaces such as landing flaps or slats on aircraft, comprising an optical conductor which is laid over at least two adjacent high-lift surfaces, a light source and an optical receiver which are allocated to different ends of ... 03/01/07 - 20070044568 - Strain measurement method and device εxx=−ΔAx/2L0 tan θ0 ... 02/22/07 - 20070039395 - Glass-modified stress waves for separation of ultra thin films and nanoelectronics device fabrication A device for generating a tensile force between a substrate and a coating, wherein the substrate has a thickness defined by a first side and a second side in a first axis, and the coating is applied to the first side of the substrate such that the coating and substrate ... 02/01/07 - 20070022820 - Device for detecting a cracked substrate A substrate detection system is disclosed to include a conveyer that delivers the substrates, a sensor that detects the length of each substrate being delivered by the conveyer over the top side of the sensor, and a processor that compares the detection length value of each substrate detected by the ... 01/25/07 - 20070017296 - Method for whole field thin film stress evaluation A novel method for whole field thin film stress evaluation is provided. Through the provided method, the whole filed thin film stress distribution for an optical thin film would be developed with a commercial interferometer, so that a whole field evaluation for the crack or peel-off of thin film is ... 01/11/07 - 20070006663 - Optical sensor with co-located pressure and temperature sensors An optical sensor (10) that provides for concurrent pressure and temperature measurements at substantially the same location includes at least one launch fiber (22) and at least one temperature sensitive material (52) having a refractive index that changes with a change in temperature. The launch fiber and temperature sensitive material ... 01/11/07 - 20070006662 - Optically measuring the dispacing or load for an aircraft component, landing gear, braking control The load on an aircraft component, such as the load on or in a landing gear leg during braking, is measured with an all-weather displacement measuring system. The system includes a processing unit, a controllable source of laser light and a light detector comprising a plurality of sensors. When the ... 12/28/06 - 20060288796 - Method and apparatus suitable for measuring the displacement or load on an aircraft component The load on an aircraft component, such as the load on a landing gear leg during braking, is measured with a contactless, all-weather displacement measuring system. The system includes a control unit a controllable microwave emitter of electromagnetic radiation and a microwave detector comprising a plurality of antennae. When the ... 10/19/06 - 20060230839 - Apparatuses and methods for monitoring stress in steel catenary risers The invention describes apparatuses and methods of monitoring fatigue, structural response, and operational limits in structural components. More particularly, the present invention relates to fatigue, response, and operational monitoring systems on steel catenary risers using optical fiber sensors. The sensors can be pre-installed on new risers, or post-installed sub-sea on ... 09/28/06 - 20060213280 - Displacement sensor equipped with automatic setting device for measurement region A displacement sensor includes: a light projecting element for illuminating a measurement aim object at a predetermined angle with light; a light receiving element for receiving a reflected light from the measurement aim object illuminated with light; an automatic measurement aim region setting device for automatically setting measurement regions for ... 08/24/06 - 20060185440 - Testing of samples A method of monitoring the surface of a sample under test is provided and the method comprises the steps of: illuminating the surface with light (20) polarised in a first direction; viewing light reflected from the surface through a polarising filter (27) arranged at 90° to the first direction, wherein ... 06/22/06 - 20060130591 - 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 venous needle or to tubing attached to the venous needle, an opaque cover placed over but not attached to ... 05/11/06 - 20060096385 - Micro-tensile testing system A micro-tensile testing system providing a stand-alone test platform for testing and reporting physical or engineering properties of test samples of materials having thicknesses of approximately between 0.002 inch and 0.030 inch, including, for example, LiGA engineered materials. The testing system is able to perform a variety of static, dynamic, ... 04/06/06 - 20060070453 - Ceramic inspection system A system for inspecting a ceramic component. The ceramic component is positioned on a first rotary table. The first rotary table rotates the ceramic component. Light is directed toward the first rotary table and the rotating ceramic component. A detector is located on a second rotary table. The second rotary ... 04/06/06 - 20060070452 - Visual documentation of micro-cracks during tensile coupon testing A test method for visual documentation of micro-cracks during tensile coupon testing includes the steps of: assembling a test unit; inserting a carbon-reinforced composite specimen having a prepared edge into the tensile coupon testing machine; illuminating the prepared edge of the specimen with a camera strobe light and a microscope ... 03/02/06 - 20060042397 - Crane equipped with inspection device The invention aims at providing a crane equipped with an inspection device that can maintain excellent inspection conditions without decreasing cargo transporting efficiency. On a container transporting route of a quay crane, a truck (position adjustment device), is provided moveably in a direction across this transporting route. An inspection device, ... 01/19/06 - 20060010986 - Micro-tensile testing system A micro-tensile testing system providing a stand-alone test platform for testing and reporting physical or engineering properties of test samples of materials having thicknesses of approximately between 0.002 inch and 0.030 inch, including, for example, LiGA engineered materials. The testing system is able to perform a variety of static, dynamic, ... 12/15/05 - 20050274196 - Luminescent nanochannel sensor In a nanochannel thin film in which oxide layers have surfactant micelles therein, the presence of a target substance in a sample solution is detected with a luminescence intensity of a thin film provided by recognition of the target substance with a luminescent recognition reagent in the nanochannels. Upon focusing ... 11/10/05 - 20050247134 - Displacement sensor An excitation coil 23 and a detection coil 25 are arranged to align and a magnetic body probe 27 in a conical shape a sectional area of which is change in a longitudinal direction is arranged in a state of being inserted into an air core portion of the excitation ... 09/08/05 - 20050193830 - Load sensor mounting device with sensor-protective structure There is provided a device mounting a load sensor to an object to which load is applied. The device comprises a base having a predetermined longitudinal direction and a plurality of protruding interference members placed on he base along the direction. The protruding inference members are formed to have a ... 06/02/05 - 20050115331 - Method for determining a surface contact force A method of measuring a load on a surface produced by a contact force. An elastic film or coating is located on a supporting surface to provide an indication of normal and tangential or shear forces applied to the surface. A thickness measurement, corresponding to a normal displacement, and a ... ### FreshPatents.com Support |