|
Match
|
Document |
Document Title |
|
|
8120759 |
Optical transmission strain sensor for wind turbines
The invention relates to a broad band optical strain sensing system for a wind turbine. The strain sensing system includes an optical fiber with an input at one end and an output at the opposite...
|
|
|
8111384 |
Method for measuring thermo-optically induced material phase-change response in a multiple layer thin film structure using visible and ultraviolet spectroscopy
A method and device for facilitating measurement of thermo-optically induced material phase change response in a thin planar or a grating film stack is disclosed. The method may include using...
|
|
|
8009276 |
System and method of surface wave imaging to map pressure on a surface
A system and a method for detecting surface pressure on a surface is provided. A plurality of transponders are located on the surface for transmitting electromagnetic surface waves and for...
|
|
|
7944550 |
System and method for detecting local mechanical stress in integreated devices
A method of detecting local mechanical stress in integrated devices is provided, the method comprising: enabling the detection of a photovoltage difference between a scan probe device and a surface...
|
|
|
7923678 |
Sensing method including interrogation of a holographic sensor
A sensing method, which comprises subjecting a holographic sensor to an external physical interaction to which the sensor is sensitive, and observing a change in the holographic image.
|
|
|
7884924 |
Residual stress measuring method and system
A residual stress measuring method capable of measuring residual stress of the surface of an object to be inspected rapidly in a non-destructive non-contact manner, as well as a residual stress...
|
|
|
7822558 |
Fluorescence detecting device and fluorescence detecting method
A fluorescence detecting device irradiates an object to be measured with a laser beam, receives fluorescence generated from the object and processes a fluorescence signal generated when receiving...
|
|
|
7812934 |
Physical quantity measuring apparatus
A physical quantity measuring system according to the present invention comprises: an optical fiber having fiber Bragg gratings; a light source connected to the optical fiber; an arrayed waveguide...
|
|
|
7796240 |
Evaluation method and manufacturing method of light-emitting element material, manufacturing method of light-emitting element, and light-emitting device and electric appliance having light-emitting element
The present invention provides an evaluation method for evaluating whether a light-emitting element material to be evaluated is suitable for a host material or a guest material. By carrying out a...
|
|
|
7787108 |
Inline stress evaluation in microstructure devices
By performing optical measurements and evaluating the optical response of an appropriately prepared measurement site, stress-related characteristics, such as intrinsic stress of dielectric layers,...
|
|
|
7781725 |
Optical fiber based sensor system suitable for monitoring remote aqueous infiltration
Methods and apparatus for predicting service life of remote equipment for infiltration of liquid are disclosed. Such methods and apparatus preferably include at least one fiber optic sensor...
|
|
|
7733466 |
Measurement of constitutive properties of a powder subject to compressive axial and radial loading, using optical sensing
A method and system for measuring radial strain on powder or other granular material while the powder is subject to compressive axial and radial loading. The powder is contained within a pliable...
|
|
|
7707001 |
Control of object operating force, object gripping force and robot hands
An optical tactile sensor has a touch pad and a CCD camera for imaging behavior of the touch pad. A CPU processes image information from the CCD camera, extracts information on the size, shape, and...
|
|
|
7679730 |
Surface inspection apparatus and surface inspection method for strained silicon wafer
An image pickup device disposed in a predetermined position relative to a surface of a strained silicon wafer photographs the surface of the strained silicon wafer in a plurality of rotation angle...
|
|
|
7667827 |
Systems and methods for remote monitoring of vibrations in machines
A system and method for monitoring the vibrations of a machine that includes a reflective patch affixed to the machine and a vibration detection unit including an optics module. The optics module...
|
|
|
7636154 |
Modular optical detection system for point airborne and area surface substance detection
A detection system and method are provided having vehicle-mounted and manportable mobile surveillance capabilities with minimal equipment redundancy. The system comprises a vehicle-mounted sensor...
|
|
|
7634913 |
Bearing assembly and method of monitoring same
A method for predicting bearing failure of a differential bearing including an inner race, an outer race, and a plurality of rolling elements positioned between the inner and outer race. The method...
|
|
|
7634747 |
Trace delay error compensation
A method of trace delay error compensation for measurements that are taken remotely from the signal source or receiver of a circuit uses data available from a computer aided design (CAD) tool to...
|
|
|
7623223 |
Stress measurement method
An object of this invention is to provide stress measurement method that is stress of the measuring object nondestructively in a short period of time. In order to attain this object, the stress...
|
|
|
7612873 |
Surface form measuring apparatus and stress measuring apparatus and surface form measuring method and stress measuring method
In a stress measuring apparatus, reflected light of light emitted to a substrate through an objective lens is received by a light shielding pattern imaging part, to acquire an image of a light...
|
|
|
7599047 |
Method and system for simultaneous measurement of strain and temperature
A method and system for simultaneously measuring strain and temperature characteristics of an object involves the attachment to the object of a pair of optical fibers having different refractive...
|
|
|
7583367 |
Catheter surgery simulation
It is possible to observe a state of stress applied to a region around a cavity replicating a body cavity such as a blood vessel and the like in a three-dimensional model. In catheter insert...
|
|
|
7551268 |
System for monitoring sealing wear
A system for determining at least one condition of a seal including an optical fiber for transmitting light from a light source. The optical fiber is embedded in the seal and operatively coupled to...
|
|
|
7543982 |
Sensor and disturbance measurement method using the same
The present invention relates to a sensor or the like having a structure that enables accurate temperature measurement in a wide temperature range including a low-temperature region and is suitable...
|
|
|
7534031 |
Temperature measuring device and temperature measurement method
The temperature measuring device of the present invention comprises: a light source for outputting light; an optical fiber to which light outputted by the light source is inputted and from which...
|
|
|
7522269 |
Bonded part peeling shape identification device
A bonded part peeling shape identification device includes: a processor for obtaining measurement value information indicating a spectrum from an output light of an optical fiber sensor arranged in...
|
|
|
7505122 |
Evaluation method and manufacturing method of light-emitting element material, manufacturing method of light-emitting element, light-emitting element, and light-emitting device and electric appliance having light-emitting element
The present invention provides an evaluation method for evaluating whether a light-emitting element material to be evaluated is suitable for a host material or a guest material. By carrying out a...
|
|
|
7501596 |
Dimension sensor and method for stopping expansion of a tube
A dimension sensor is used in conjunction with a tube and includes a body member and at least one detector element. The body member has an inner surface defining an opening sized to receive the...
|
|
|
7495749 |
Rapid method for sub-critical fatigue crack growth evaluation
In a method and system for evaluating sub-critical fatigue crack growth in a semiconductor device, a plurality of energy pulses generated by an energy source are repeatedly impinged onto the...
|
|
|
7495750 |
Monitoring device for rotating body
The present invention relates to a monitoring device for a rotating body, which can accurately measure signals from a fiber Bragg grating sensor provided on the rotating body by compensating a...
|
|
|
7477995 |
Optical linear strain gage
An optical linear strain gage includes a target, a sensor, and a computer, wherein the target contains a gage length defined by end points. The target can be a one-dimensional barcode, the gage...
|
|
|
7460216 |
Surface strain measuring device
The device enables strains of at least one surface (1) of a sample (2) to be measured versus temperature. Strains in a direction perpendicular to a predetermined plane, for example the plane of the...
|
|
|
7444882 |
Material failure prediction/stress/strain detection method and system using deformation luminescence
A method and apparatus are provided for detecting strain, stress, fatigue and incipient failure in materials. A detector (e.g., a photomultiplier tube) is used to detect photonic emissions from a...
|
|
|
7430038 |
Apparatus for enhancing visualization of mechanical stress
Photoelastic elements are formed deliberately with stress concentrations so that, when evaluated with a polariscope, more pronounced isochromatic bands or fringes result when loads are applied to...
|
|
|
7403323 |
Process control monitors for interferometric modulators
Process control monitors are disclosed that are produced using at least some of the same process steps used to manufacture a MEMS device. Analysis of the process control monitors can provide...
|
|
|
7391507 |
Method of photo-reflectance characterization of strain and active dopant in semiconductor structures
A new method of photo-reflectance characterization of strain and active dopant in semiconductor structures has been developed for characterization of physical properties of semiconductor...
|
|
|
7327444 |
Substrate inspection apparatus and method
The present invention provides a method and substrate examining device that sequentially and automatically measures at least the thickness and the internal stress of the thin film at a...
|
|
|
7317514 |
System and method for optimizing heat management
Disclosed are heat management method, and system, and computer program product that include at least one optical strain gauge that is mounted on a printed board in proximity to an object being...
|
|
|
7307702 |
Color switchable stress-fracture sensor for damage control
A color switchable stress/fracture sensor in combination with a structure. The combination apparatus includes a structure requiring stress and/or fracture detection, and at least one...
|
|
|
7295307 |
Method of and apparatus for measuring stress of semiconductor material
The present invention provides a method of and a device for measuring the stress in a semiconductor material. An excitation light is irradiated on a semiconductor material formed with a silicon...
|
|
|
7289231 |
Apparatus and method for determining physical properties of a mask blank
An apparatus for determining physical properties of a mask blank. The apparatus includes, for example, an illumination device for radiating a predetermined light laterally into the mask blank, a...
|
|
|
7286210 |
Passive optical sensor using carbon nanotubes
A passive optical sensor operates independently of light amplitude by using a semiconducting carbon nanotube material. The material has an optical property dependent on wavelength, e.g., wavelength...
|
|
|
7277162 |
Dynamic performance monitoring of long slender structures using optical fiber strain sensors
A method is described using optical fiber technology to measure the vibration characteristics of long slender structures subjected to dynamic disturbances imposed by water or wind generated loads....
|
|
|
7190440 |
Controlling compressive force using pressure sensitive film
A film is placed between contacting surfaces in an assembly. The film has an optical property responsive to pressure. A compressive force is applied to the contacting surfaces to generate an...
|
|
|
7170590 |
Distributed optical fiber sensor system
A distribution optical fiber sensor system measures distortion and temperature of a structure with a high spatial resolution. The system has an optical fiber on an object to be measured. A light...
|
|
|
7030366 |
Micro piezo-optic composite transducers and fabrication methods
A micro piezo-optic composite transducer comprises: dielectric material; electrodes situated over opposing surfaces of the dielectric material; an optical fiber embedded in the dielectric material,...
|
|
|
7024343 |
Method for calibrating a mathematical model
A method is disclosed for calibrating a mathematical model of a component using prototype full-field experimentally collected deformation/strain data. Specifically, the method involves obtaining...
|
|
|
7005630 |
Energy-modulating fiber grating sensor
This invention relates to a new technique of interrogating fiber grating sensors employed for measuring physical quantities such as temperature and force. The technique involves the edge filtering...
|
|
|
6999641 |
Measurement of large strains in ropes using plastic optical fibers
A method for the direct measurement of large strains in ropes in situ using a plastic optical fiber, for example, perfluorocarbon or polymethyl methacrylate and Optical Time-Domain Reflectometer or...
|
|
|
6985213 |
Method and apparatus for measuring material property
The present invention provides a method and apparatus mainly for measuring mechanical properties, electrical properties and transducer properties (e.g., electromechanical coupling constant) of...
|