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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7994779 | Method for continuously determining the tensile force F in a cable of a parking brake Presented is a method for continuously determining the tensile force F in a cable of a parking brake that includes transmitting the tensile force F to a cable grommet coupled to a first end of an expandable intermediate part that includes a magnet and/or a magnetic ... | 08/09/2011 |
| 7876094 | Magnetic field characterization of stresses and properties in materials Described are methods for monitoring of stresses and other material properties. These methods use measurements of effective electrical properties, such as magnetic permeability and electrical conductivity, to infer the state of the test material, such as the stress,... | 01/25/2011 |
| 7800362 | Pressure distribution detector utilizing electromagnetic coupling A pressure distribution detector is less influence by installation environment, that is, a pressure distribution detector that detection sensitivity or detection accuracy is less adversely affected even if the device is fitted not only to a flat surface but also a s... | 09/21/2010 |
| 7377179 | System, method, and apparatus for wireless non-powered stress history and fatigue monitoring of a structure A wireless, non-powered fatigue monitoring sensor uses a piezoelectric element that is attached to the surface of or embedded within a structure to be monitored. When subjected to stress over time, the material properties of the element change reliably and permanent... | 05/27/2008 |
| 7375513 | Methods for measuring magnetostriction in magnetoresistive elements A method for measuring a magnetostriction value of a magnetoresistive element according to one embodiment includes placing a substrate carrying one or more magnetoresistive elements on a fixture; applying a first magnetic field about parallel to the substrate; apply... | 05/20/2008 |
| 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 |
| 7360235 | Systems and methods for operating a peripheral record/playback device in a networked multimedia system Systems and methods are disclosed of a network including a primary device, a plurality of remote devices, and a shared peripheral device. The network allows the remote devices to operate the peripheral device, such as a DVD player, VCR, or camcorder, via the primary... | 04/15/2008 |
| 7348771 | Method for verifying sensor condition Sensor condition verification may be performed on electromagnetic sensors and sensor arrays mounted to a material surface. The sensors typically have a periodic winding or electrode structure that creates a periodic sensing field when driven by an electrical signal.... | 03/25/2008 |
| 7339283 | Electronic load regulator An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may inc... | 03/04/2008 |
| 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 |
| 7315468 | Thin film magnetic memory device for conducting data write operation by application of a magnetic field A peripheral circuitry is provided adjacent to a memory array and conducts read and write operations from and to the memory array. A power supply voltage line and a ground line for supplying an operating voltage to the peripheral circuitry supply a power supply volt... | 01/01/2008 |
| 7298139 | Systems and methods for measuring magnetostriction in magnetoresistive elements A system for directly measuring a magnetostriction value of a magnetoresistive element includes a fixture for receiving a substrate carrying one or more magnetoresistive elements. A magnet assembly applies a first magnetic field parallel to the substrate, and a magn... | 11/20/2007 |
| 7295001 | Magnetostrictive transducer using tailed patches and apparatus for measuring elastic wave using the magnetostrictive transducer A magnetostrictive transducer generating a torsional wave in a subject having a predetermined section and measuring a torsional wave propagating in the subject. In the magnetostrictive transducer having a ferromagnetic patch attached to a predetermined position of a... | 11/13/2007 |
| 7281585 | Offshore coiled tubing heave compensation control system An offshore oil well assembly is provided that includes a floating vessel and a coiled tubing injector supported on the floating vessel. A coiled tubing string is movable by the injector into and out of a wellbore. The assembly also includes at least one measurement... | 10/16/2007 |
| 7275865 | Temperature measuring apparatus using change of magnetic field A temperature measuring apparatus measures the temperature of a wafer in real time using a change of magnetic field during a thermal process. The temperature measuring apparatus includes: at least one conductive structure disposed on one surface of the wafer, in whi... | 10/02/2007 |
| 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 |
| 7245123 | Rolling element bearing unit with sensor and hub unit with sensor A sensor-equipped hub unit comprises a hub unit 1 having a wheel-side raceway member 4, a body-side raceway member 5, and two rows of rolling bodies 6, and a sensor device 2 provided on the hub unit 1. The sensor device 2... | 07/17/2007 |
| 7243557 | Torque sensor A torque sensor having a sensor element, wherein the sensor element is manufactured in accordance with the manufacturing steps of applying a first current pulse to the sensor element, wherein the first current pulse is applied such that there is a first current flow... | 07/17/2007 |
| 7230421 | Damage standard fabrication with attached sensor Reference standards or articles having prescribed levels of damage are fabricated by monitoring an electrical property of the article material, mechanically loading the article, and removing the load when a change in electrical properties indicates a prescribed leve... | 06/12/2007 |
| 7230420 | Magnetoresistive element lifecycle tester with temperature control A lifecycle analyzer includes a temperature control element for controlling the temperature of a plurality of magnetoresistive (MR) elements, which may be, e.g., in bar, slider, head gimbal assembly, or head stack assembly form. The MR elements are in electrical con... | 06/12/2007 |
| 7230805 | Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step A semiconductor slider including an integral spin valve transistor (SVT) having a read width of 250 nm or less disposed on a monolithic semiconductor. substrate, useful in magnetic data storage applications. The monolithic slider may also include other magnetic and ... | 06/12/2007 |
| 7222034 | In-circuit measurement of saturation flux density Bsat, coercivity Hc, and permiability of magnetic components using a digital storage oscilloscope An oscilloscope performs an in-circuit measurement of voltage across, and current through, a core winding of an inductor, and derives the actual B and H values with n number of turns, receives data indicative of the magnetic length of the circuit, and plots the B_H ... | 05/22/2007 |
| 7215117 | Measurement with a magnetic field Material properties such as stress in a ferromagnetic material may be measured using an electromagnetic probe. While generating an alternating magnetic field in the object, and sensing the resulting magnetic field with a sensor, the signals from the magnetic sensor ... | 05/08/2007 |
| 7208971 | Manual probe carriage system and method of using the same A probe support carriage for use during probing an electrical device includes a body, means for supporting and positioning the body, a plurality of flux sensors and a position sensor. The body has a first end and a second end. The plurality of flux sensors are opera... | 04/24/2007 |
| 7171849 | Sensor module The invention relates to a sensor module in a flexible housing with integrated transmission means. A possible application of such a flexible sensor module would be the use as transponder-based tire pressure measuring system. Here, the complete module could be vulcan... | 02/06/2007 |
| 7170307 | System and method of mitigating effects of component deflection in a probe card analyzer A system and method of mitigating the effects of component deflections in a probe card analyzer system may implement three-dimensional comparative optical metrology techniques to model deflection characteristics. An exemplary system and method combine non-bussed ele... | 01/30/2007 |
| 7171314 | Methods and systems for analyzing structural test data Systems and methods for analyzing structural test data are disclosed. In one embodiment, a method includes applying a sequence of loads to a test article, receiving raw test data indicative of the applied loads from at least one sensor operatively associated with th... | 01/30/2007 |
| 7161350 | Method for material property monitoring with perforated, surface mounted sensors Material condition monitoring may be performed by electromagnetic sensors and sensor arrays mounted to the material surface. The sensors typically have a periodic winding or electrode structure that creates a periodic sensing field when driven by an electrical signa... | 01/09/2007 |
| 7159470 | Systems and methods of measuring residual stress in metallic materials Systems and methods of measuring residual stress are disclosed. In one embodiment, a method of measuring residual stress in a material under test includes directing radiation onto a stressed material and detecting the resulting diffraction peaks to measure known res... | 01/09/2007 |
| 7123030 | Method and apparatus for detecting elevator rope degradation using electrical resistance A method and system for detecting or measuring defects in an elevator rope having electrically conductive tension members, whereby measured electrical resistance in the tension members is indicative of defects. ... | 10/17/2006 |
| 7116097 | System and method for detecting the axial position of a shaft or a member attached thereto In accordance with one embodiment of the invention, a method and system for detecting the position of a shaft comprises providing a shaft with defined hardened metallic regions. The shaft has a first hardened metallic region from a surface of the shaft to a first ra... | 10/03/2006 |
| 7106055 | Fabrication of samples having predetermined material conditions Fabrication of samples having material conditions or damage representative of actual components inspected by nondestructive testing involves sensors placed near or mounted on the material surface, such as flexible eddy current sensors or sensor arrays, to monitor th... | 09/12/2006 |
| 7104137 | Magnetostrictive fluid-pressure sensor A magnetostrictive fluid-pressure sensor includes annular inner and outer cylinders, a first connector, annular second and third connectors, and first and second coils. The inner cylinder surrounds a fluid-receiving bore. At least one of the cylinders is a magnetost... | 09/12/2006 |
| 7098658 | Digital signal conditioning solution for a magnetometer circuit A fluxgate magnetometer including a fluxgate and a digital processor. The digital processor includes an analog to digital converter for digitizing the back EMF from the fluxgate and a signal generator to generate the fluxgate driving signal. Further, a current sourc... | 08/29/2006 |
| 7093499 | Force sensor, strain sensor and methods for measuring same A force sensor, or a method, determines a force using at least a measured inductance in a coil wherein a quantum tunneling composite is located in a magnetic path created by the coil, is positioned in a load path of the force, and is under strain from the force. A s... | 08/22/2006 |
| 7070476 | In-situ metalization monitoring using eddy current measurements during the process for removing the film A method for measuring conductance of a sample using an eddy current probe with a sensing coil. The method includes N repetitions of measuring first and second voltage pairs including in-phase and quadrature components of an induced AC voltage in the sensing coil, c... | 07/04/2006 |
| 7053606 | Measurement of residual and thermally-induced stress in a rail In a railway line, thermally-induced stresses are a factor for both rail breaks and rail buckling. These stresses are in the longitudinal direction. A nondestructive measuring technique enables the residual stress in a rail to be determined, and hence the thermally-... | 05/30/2006 |
| 7038444 | System and method for in-line stress measurement by continuous Barkhausen method A method and system for performing in-line measurement of stresses in pipeline walls by continuous Barkhausen method comprises an inspection pig including permanent or DC electromagnets for generating a magnetic field that moves with the inspection pig through a pip... | 05/02/2006 |
