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| Number | Title | Issue Date |
| 7913570 | Environmental damage sensor A sensor apparatus for measuring environmental degradation of a structures making use of exposed sacrificial material coupons mounted in the immediate vicinity of magnetic sensor elements in the environment of the monitored structure. ... | 03/29/2011 |
| 7913569 | Magnetostrictive type strain sensing means and methods A strain gauge including: a system including a transmission coil, a magnetostrictive material layer and a receiver coil wherein an alternating transmission signal is applied across the transmission coil and an induced signal is induced in the receiver coil, the inte... | 03/29/2011 |
| 7743666 | Tunneling effect element and physical quantity to electrical quantity transducer A tunneling effect element, including an insulating layer that forms a tunneling barrier, a lower electrode that is conductive and non-magnetic, and is formed on a bottom surface of said insulating layer, an upper electrode that is conductive and non-magnetic, and i... | 06/29/2010 |
| 7730788 | Method of measuring the retention force of a biomedical specimen in the form of an electrically conductive structure located on a carrier A method of measuring the retention force of a biomedical specimen coupled to a carrier includes the measurement of the force required for magnetically decoupling the specimen from the carrier. In one embodiment, the method includes the steps of providing the specim... | 06/08/2010 |
| 7543506 | Electromagnetic rotation and stability apparatus A test machine for testing the physical properties of a test specimen is provided. The test machine includes a fixture that applies a first force on the test specimen in a first direction and utilizes magnetic force to bring about the rotation of a fixture to apply ... | 06/09/2009 |
| 7543505 | Measuring instrument and method for detecting a force The present invention relates to a force measuring instrument, having a carrier plate (3), at least one magnet (5), and at least one magnetically sensitive element (6). A tongue element (4) protrudes at least partly from the carrier plate... | 06/09/2009 |
| 7533575 | Quasistatic magnetic and electric field stress/strain gages Magnetic or electric field sensors are mounted against a material surface and used for stress, strain, and load monitoring of rotating components such as vehicle drive trains. The stationary sensors are mounted at multiple locations around the component and used ass... | 05/19/2009 |
| 7526964 | Applied and residual stress measurements using magnetic field sensors Methods are described for the use of conformable eddy-current sensors and sensor arrays for characterizing residual stresses and applied loads in materials. In addition, for magnetizable materials such as steels, these methods can be used to determine carbide conten... | 05/05/2009 |
| 7523671 | Apparatus, system and method for measuring stress A system for measuring stress including a coilless sensor including at least one band of electrically conductive and magnetostrictive material, the band having a first end and a second end defining a gap therebetween, a measuring circuit electrically connected to th... | 04/28/2009 |
| 7493827 | Load measurement device A variable reluctance load cell for measuring the static or slowly fluctuating load, or tension, on devices is contained in a support tube. A sensor in the tube utilizes opposing C and I shaped magnetic cores attached to opposing ends of the support tube. A magnetic... | 02/24/2009 |
| 7484423 | Integrated carbon nanotube sensors A method and structure for an integrated circuit comprising a first transistor and an embedded carbon nanotube field effect transistor (CNT FET) proximate to the first transistor, wherein the CNT FET is dimensioned smaller than the first transistor. The CNT FET is a... | 02/03/2009 |
| 7469594 | Capacitance-type sensor and occupant detection system A capacitance-type sensor for detecting a condition of an occupant on a vehicle seat includes an electrode. The electrode is disposed within a detection area in the vehicle seat. The electrode generates an electric field. The detection area is based on a surface pre... | 12/30/2008 |
| 7458276 | Magnetostrictive load sensor A magnetostrictive load sensor includes an upper casing, a lower casing, a coil, and a bobbin. The upper casing having an approximate bell shape has an upper end that is provided with an opening and a lower end that is provided with a notch. The lower casing include... | 12/02/2008 |
| 7454979 | Linear position sensor A load sensor includes a housing and a magnet carrier axially movable within the housing. A first and a second magnet are coupled to the magnet carrier in an axially spaced apart arrangement and oriented to provide repelling magnetic fields. The magnet carrier and t... | 11/25/2008 |
| 7454978 | Versatile strain sensor employing magnetostrictive electrical conductors A strain sensor includes a load carrying body configured to strain in response to a load applied along a load path. The sensor further includes a magnetostrictive electrical conductor affixed to the body but out of the load path. Application of the load causes the b... | 11/25/2008 |
| 7451658 | Sensing apparatus and method There is described a sensing apparatus comprising first and second members which are supported relative to each other by a support means. The first member comprises a magnetic field generator for generating a magnetic field and the second member comprises an aerial ... | 11/18/2008 |
| 7444881 | Force measuring device The invention relates to a load gauge comprising a generator-sensor assembly. Said assembly comprises a generator unit that generates a magnetic field and a sensor unit that is sensitive to magnetic fields, said generator unit and sensor unit being displaceable by a... | 11/04/2008 |
| 7444880 | Method and apparatus for measuring the mechanical response of micro-electro-mechanical systems The present invention relates to the field measuring the mechanical response of micro-electro-mechanical systems. More specifically, the present invention pertains to a method and apparatus that allows the direct control of the load applied to a Micro-Electro-Mechan... | 11/04/2008 |
| 7441464 | Strain gauge sensor system and method A strain gauge sensor system and method for measuring the strain in a member, such as a fiber rope, has a sensor target assembly having a plurality of magnets carried spaced apart by individual gauge lengths along the member. Position and trigger sensor devices are ... | 10/28/2008 |
| 7441632 | Force sensor and motor-driven parking brake apparatus using the same A force sensor includes a shaft to which a magnet is fixed, and a case which can reciprocate with respect to the shaft and to which a Hall IC element is fixed. The Hall IC element outputs an output voltage which changes in accordance with relative displacement betwe... | 10/28/2008 |
| 7437942 | Non-destructive evaluation via measurement of magnetic drag force Sensors for outputting signals indicative of a magnetic drag force between a ferromagnetic sample that is or has been in motion relative to one or more measurement magnets are described. Such sensors include at least one measurement magnet and a sensing element oper... | 10/21/2008 |
| 7391211 | Digital fluxgate magnetometer A circuit for a fluxgate magnetometer includes a plurality of digital function blocks that are programmed as functions within a microcontroller. The microcontroller includes and implements the functions of an analog circuit to lower the cost and complexity of a digi... | 06/24/2008 |
| 7363827 | Torque sensor system including an elliptically magnetized shaft A torque sensor includes a shaft and a magnetic sensor. The shaft may have at least one active region having an elliptical magnetization. The magnetic sensor may be configured to sense a magnetic field about the shaft, where the magnetic field is representative of a... | 04/29/2008 |
| 7362096 | Robust detection of strain with temperature correction An apparatus (10) is set forth for measuring a return signal of a magnetostrictive sensor (20) that detects a force, torque, or pressure. The return signal includes noise, a DC resistance (44), an AC resistance and an inductance and the inductan... | 04/22/2008 |
| 7361236 | Martensitic stainless steel A martensitic stainless steel having a C content of 0.01 to 0.1 mass %, a Cr content of 9 to 15 mass % and a N content of not more than 0.1 mass %, wherein the maximum length of the carbides in the steel is 10 to 200 nm in the direction of the minor axis, or wherein... | 04/22/2008 |
| 7320251 | Load detector and transport equipment including the same A load detector is constructed so as to stabilize an output voltage responding to an input load. The load detector includes a magnetostrictive sensor which includes a hollow case, a coil housed in the case, and a rod-like magnetic member located at an axial center o... | 01/22/2008 |
| 7318352 | Method for producing stress impedance effect element and that element A method for producing a stress impedance effect element, the method including: connecting opposite ends of a magnetostrictive amorphous thin wire and respective electrodes by ultrasonic bonding; forming a groove in an elastic thin substrate having a thermal expansi... | 01/15/2008 |
| 7319322 | Deformation sensor and method for detecting a deformation A sensor has a substrate having a mechanically deformable region, a magnetostrictive spin-valve sensor element being arranged to detect a mechanical deformation of the mechanically deformable region. On the substrate, there is a device for generating a controllable ... | 01/15/2008 |
| 7317314 | Method for measuring stress/strain using Barkhausen noises In a method of measuring stress/strain by detecting Barkhausen noise, an exciting/sensing device is arranged at least adjacent to a magnetic or magnetizable element, and passing an increasing magnetizing current through the exciting device. The start of the Barkhaus... | 01/08/2008 |
| 7299702 | Apparatus for monitoring an aircraft flap and application of a dynamometric rod A dynamometric rod intended to form a pivot for fixing an aircraft wing flap, includes a cylindrical body (10) with a hexagonal head (12) and a threaded end-piece (14). The dimensions and other characteristics of the body (10), head (1... | 11/27/2007 |
| 7296478 | Master carrier for magnetic transfer, inspecting method thereof, and magnetic recording medium producing method In a master carrier for magnetic transfer which comprises a support that has a transfer-recording pattern arrayed in the track direction thereof in accordance with the information to be transferred to a magnetic recording medium, and a magnetic layer formed on the t... | 11/20/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7273231 | Seat belt device A seat belt device including an anchor connecting member configured to be connected to the vehicle body, a webbing connecting member connected to the seat belt, and a webbing passing through an opening the webbing connecting member. The webbing located in the openin... | 09/25/2007 |
| 7261005 | Magneto-elastic resonator torque sensor A magneto-elastic torque sensor and system include a substrate and a magneto-elastic sensing component formed from or on the substrate. The magneto-elastic sensing component and the substrate together form a magneto-elastic torque sensor, which when subject to a str... | 08/28/2007 |
| 7259555 | Method for determining the hardening depth of steel This publication discloses a method and arrangement for determining the hardening depth of steel or other ferromagnetic substances without breaking the object being measured. According to the invention, a varying magnetic field, which causes magnetic Barkhausen nois... | 08/21/2007 |
| 7257506 | Position detecting system and method A position detection system for locating an object including a magnetic field generator is disclosed. The position detection system also includes an array of parallel conductors responsive to a magnetic field generated by the magnetic field generator and a plurality... | 08/14/2007 |
| 7249520 | Self-loaded pendulum for slider flexure stiffness measurements A device is provided by which the stiffness coefficient of a flexure, in either a pitch or roll direction, can be measured while a slider is mounted thereon and while the flexure and slider are in a loaded condition as might be obtained during normal operational con... | 07/31/2007 |
| 7245057 | Micro-electromechanical structure resonator frequency adjustment using radiant energy trimming and laser/focused ion beam assisted deposition The invention relates to a microbeam oscillator. Tuning of the oscillator is carried out by addition or subtraction of material to an oscillator member in order to change the mass of the oscillator member. ... | 07/17/2007 |
| 7243553 | Sensor device for the examination of surfaces A sensor device for examining the surfaces of a work piece, in particular in regard to burrs, is provided wherein said device comprises a probe shaft having a detector head with at least one inductive element, wherein said at least one inductive element couples indu... | 07/17/2007 |
| 7238165 | Fluid pump A pumping system 10 provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The port 60 includes a ball valve... | 07/03/2007 |
