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7624645 |
Compensation apparatus
The invention relates to a compensation apparatus for compensating for thermally induced relative axial positional changes between two components, having a first compensation part which brings...
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7617736 |
Metallic thin film piezoresistive transduction in micromechanical and nanomechanical devices and its application in self-sensing SPM probes
Thin metallic films are used as the piezoresistive self-sensing element in microelectromechanical and nanoelectromechanical systems. The specific application to AFM probes is demonstrated.
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7610814 |
Micromechanical device comprising a mobile beam
The micromechanical device comprises a mobile beam attached via the two ends thereof to a rigid frame comprising two arms each having two ends. The ends of an arm are respectively secured to the...
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7610813 |
Method and apparatus for a self-powered RFID-readable pedometer
A device, system and method for analyzing a user's motion using a piezoelectric film to generate a plurality of deformation signals based upon an associated plurality of deformations, an EEPROM to...
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7603909 |
Piezoelectric polymer sensor device
A sensor device includes at least one piezoelectric polymer film supported on a plate that is positioned relative to a machine such that a force used during a manufacturing process involving the...
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7594441 |
Automated lost load response system
An automated lost load response system for work machines is disclosed. The response system has a first sensor situated to detect the contour of the road surface forward of a first machine, and a...
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7594442 |
Resistance varying sensor using electrically conductive coated materials
In accordance with one embodiment, a sensor includes a fibrous region contacting at least two electrodes. The fibrous region has an electrically conductive coating. The fibrous region has a...
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7587945 |
Device for measuring tibio-femoral force amplitudes and force locations in total knee arthroplasty
A probe used during a total knee arthroplasty for measuring forces and locations of their points of application and thereby moments includes two load sensitive plates t to be inserted in one...
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7590495 |
Inverse method to calculate material properties using a non-resonant technique
A method for calculating material properties of a material includes determining a dilatational wavespeed and a shear wave speed. The dilatational wavespeed is determined by conducting vertical...
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7584652 |
Methods of rapidly simulating in-service warp distortion of a wood product and/or rapidly estimating shrinkage properties using electromagnetic energy
Methods are provided for rapidly simulating “in-service” warp distortion of a wood product. Methods are also provided for rapidly estimating shrinkage properties of a wood product by using...
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7584668 |
Monitoring system for valve device
A monitoring system for valve device according to the present invention comprises a semiconductor single crystalline substrate including a bridged circuit and the bridged circuit comprising...
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7584060 |
Inverse method to calculate material properties using an insertion loss test
A method for calculating material properties of a material includes conducting two insertion loss tests of the material having a single thickness and a double thickness. These tests are conducted...
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7581452 |
System and method for soil strength measurement
A system and method for characterizing soil shear strength from a vehicle, comprises a plurality of sensors mounted on a vehicle and configured to measure distances from the sensors to the soil...
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7578204 |
Gobo wheel location drive
A gobo wheel with automatic detection system that automatically detects a rotational position of the gobo. The rotational position can be detected by a magnetic marking system. Each of the gobos...
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7578201 |
Tension monitoring arrangement and method
Tension monitoring is described using a sensor which may exhibit an offset for which compensation may be provided to produce a zero voltage amplified output or to increase dynamic range. An...
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7559250 |
Frame crack detection method
A method for detecting a crack in a frame is disclosed. The method includes sensing with a first pressure sensor a first pressure within a first sealed cavity. The first sealed cavity is interior...
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7559255 |
Connection element
A connection element and a method for positioning a magnetic field sensor suite into the zero line of a magnetic field is provided, the measuring of the force being achieved by a displacement...
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7559133 |
Riveting system
A riveting system is operable to join two or more workplaces with a rivet. In another aspect of the present invention, a self-piercing rivet is employed. Still another aspect of the present...
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7556605 |
Methods for determining elastic and viscoelastic properties of skin
The invention relates to methods of measuring the overall elasticity of skin and determining the portion of the overall elasticity that is due to elastic properties and the portion of overall...
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7552644 |
Device for determining strains on fiber composite components
In an apparatus for determining loads on fiber composite components ( 1 ), especially of vehicle and aircraft parts, strain gages ( 3 ) are integrated in the components ( 1 ) for determining...
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7536921 |
Triaxial testing apparatus having an improved bottom support of a specimen cell
A base beneath a specimen of a specimen cell for triaxial testing includes sealingly interconnected upper and lower covers. The upper cover is perforated, and has a downwardly opening first...
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7533557 |
Impact tensile test machine
A high-speed tensile test device is disclosed, which measures the stress-strain behavior, up to failure, of polymeric materials, at high strains (as much as 1000%), and high strain rates (up to 10...
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7533586 |
Method and apparatus for mass analysis of samples
The present invention comprises an apparatus and a method for mass analyses of an array of samples contained in distinct sample holders. The sample holders are placed on a plurality of sensors...
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7523669 |
Method for strength testing of drawers in computer rack systems
Disclosed is a method of strength testing of a drawer of a computer rack system. The method utilizes a test apparatus including a first apparatus plate and a second apparatus plate positioned to...
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7520047 |
Method and apparatus for loading a read/write head to a spinstand
Apparatus for loading a read/write head to a spinstand has a load area for receiving at least one head to be tested. The apparatus further has a first station having a coarse precisor arranged to...
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7520835 |
Fluid circuit module and automatic transmission
A fluid circuit module controls a fluid to be supplied to a movable element in an automatic transmission. The fluid circuit module is provided with a first body in which a first flow passage is...
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7516673 |
Structural stress analysis
Structural stress in a fatigue-prone region of a structure is determined and analyzed by using: i) the nodal forces and displacement values in the fatigue-prone region, or ii) equilibrium...
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7513165 |
Method for determining strain hardening property of line pipe
A method for determining a strain hardening property of a pipe enabling reduction of costs while ensuring pipeline integrity is provided. Moreover, a method for manufacturing a pipe based on the...
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7509875 |
Electrical determination of the connection quality of a bonded wafer connection
The invention relates to a method and arrangement for carrying out the nondestructive determination of the connection quality of bonded wafers ( 1, 8 ) in order to verify the connection strength....
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7508530 |
Multi-point position measuring and recording system for anthropomorphic test devices
The motion of an Anthropomorphic Test Device (ATD) member is measured. For example, the motion of ribs and other components of an ATD or Crash-Test Dummy are tracked during crash testing and dummy...
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7505885 |
Method and interface elements for finite-element fracture analysis
A finite element method for predicting crack opening and propagation entails defining a succession of overlapping interface elements at a potential crack plane, each element having a bound node...
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7500398 |
Prestressing element for sensors
The invention relates to a prestressing element for prestressing a measuring sensor arranged between structures or in a recess of a structure. The application and release of the prestress can only...
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7500400 |
Displaceable piece of furniture
A movable furniture part has at least one force sensor to measure the forces acting on the outer panel of the movable furniture part. The movable furniture part has an inner panel, behind an outer...
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7497128 |
Power meter for measuring and calculation of forces on bodies
A three-dimensional power meter for measurement and calculation of forces on bodies, accelerating and retarding forces for bodies moving with varying speeds and ascending angles both on the ground...
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7493825 |
Load indicating take-up frame
A method of operating a take-up frame is disclosed herein. Specifically, a method of operating a take-up frame is disclosed which includes reading a force indication, wherein the force indication...
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7484422 |
Mechanical-quantity measuring device
A mechanical-quantity measuring device capable of measuring a strain component of structure deformation for an object to be measured in a particular desired direction with long life, high...
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7477386 |
Polariscope toy and ornament with accompanying photoelastic and/or photoplastic devices
A variety of toy polariscopes are simpler in design and less costly than precision instruments used in scientific research and stress analysis of materials and structures. The toy polariscopes are...
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7469596 |
Measurement of constitutive properties of a powder specimen subject to compressive axial and radial loading, using eddy current sensing
A method and system for measuring constitutive properties, such as radial strain, on a specimen of power or other granular material while the specimen is subject to compressive axial and radial...
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7464607 |
Suture pull-out tester and method of use
A suture pull-out tester is disclosed which includes a load cell assembly, a drive track, a jig and a drive assembly. The load cell assembly has a force measuring device and an attachment member...
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7454297 |
System and method for determining fatigue life expenditure of a component
A system and method for determining remaining fatigue life of a component experiencing stress/strain cycles. In one embodiment the fractional life expended per clock cycle of the component is...
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7451657 |
Material condition monitoring with multiple sensing modes
Methods are described for assessing material condition. These methods include the use of multiple source fields for interrogating and loading of a multicomponent test material. Source fields...
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7441465 |
Measurement of properties of thin specimens based on experimentally acquired force-displacement data
A method and system are provided for obtaining force-displacement responses for a specimen or sample of material. The sample is supported with a spanning portion spanning in an environment between...
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7439871 |
Hand tool with at least two alarm devices
A hand tool with at least two alarm devices comprises a flat handle with having a rectangular shape which is formed by has two first parallel surfaces and two second parallel narrow surfaces...
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7421369 |
Activity recognition apparatus, method and program
There is provided an activity recognition apparatus for detecting an activity of a subject. The apparatus includes: a sensor unit including a plurality of linear motion sensors configured to detect...
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7412897 |
Device for measuring tibio-femoral force amplitudes and force locations in total knee arthroplasty
A probe used during a total knee arthroplasty for measuring forces and locations of their points of application and thereby moments includes two load sensitive plates t to be inserted in one...
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7404334 |
Testing system with soft reaction structure
A testing system includes a soft reaction structure formed by column assemblies, a base and a crosshead. Compliant devices are disposed between the column assemblies and the base and/or the...
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7404333 |
Sensor head or detection head and device comprising such a head
Sensor head or detector head ( 1 ) composed primarily of a protective casing that forms a hollow body ( 2 ) with an external surface, the so-called active surface ( 2 ′), and of a sensing or...
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7387030 |
Process for determining a remaining life for a gas turbine airfoil
A process for determining a remaining life of a part, such as an airfoil in a gas turbine engine, comprising the steps of establishing the boundary conditions that act on the part, determining the...
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7377178 |
Strain detector having a displaceable insulating substrate
The present invention provides a strain detector improved in output characteristic, in which no internal stress is generated in strain resistance elements even with it fixed on a fixing member. The...
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7347100 |
Force detection device
A force detection device of the present invention includes a handle to be given an operation force by an operator, disposed on a support reciprocatably in a first axis direction along a...
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