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| Number | Title | Issue Date |
| 8024980 | Independently calibrated wireless structural load sensor A device includes a removable load element. The removable load element includes a pin portion and a housing portion. The pin portion extends from the housing portion. The pin portion includes a sensor. The housing portion includes an electronic circuit connected to ... | 09/27/2011 |
| 7980138 | Integrated circuit with stress sensing element An integrated circuit includes a semiconductor die, and a stress sensing element. The stress sensing element comprises a first lateral resistor and a first vertical resistor. The stress sensing element is formed in the semiconductor die and is configured to indicate... | 07/19/2011 |
| 7673520 | Device and method for testing electronic components The invention relates to a device for testing electronic components (3) with at least two mechanical transfer elements (5a, 5b), of which each can be loaded in each case at a dedicated loading position with an electronic component ... | 03/09/2010 |
| 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 resistance and when the fibrous region is compressed, the resistance changes... | 09/29/2009 |
| 7536918 | Method and apparatus to measure force-travel profile of a shifter in a vehicle environment Generally provided is a system and method that determines a force-travel profile of a shifter in a vehicle having a shifter having an associated shifter shaft for a transmission. The feel of the shifter to a user of the shifter may be improved by using present syste... | 05/26/2009 |
| 7533574 | Method of error compensation A method of error compensation for measurements taken using a co-ordinate positioning apparatus comprising an articulating probe head having a surface detecting device. The surface detecting device is rotated about at least one axis of the articulating probe head du... | 05/19/2009 |
| 7454977 | Force measuring systems for digital pens and other products Force measuring systems for electronic pens, styli, or other products may include structure for changing a direction or location of application of a force (e.g., a force transmitted via pen or stylus contact with a writing surface) from a first direction or location... | 11/25/2008 |
| 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 at least three points not in a line, wherein the points are fixed rel... | 10/28/2008 |
| 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 linear motions and a plurality of rotational motion sensors, the lin... | 09/02/2008 |
| 7412899 | MEMS-based monitoring A solution for monitoring a property of an object and/or an area using a Micro-ElectroMechanical Systems (MEMS)-based monitoring device is provided. In an embodiment of the invention, the MEMS-based monitoring device includes a MEMS-based sensing device for obtainin... | 08/19/2008 |
| 7373260 | Sensor infrastructure A device for use in detecting an event in a structure includes a sensor encapsulation, the encapsulation containing a sensor, an actuator positioned substantially in-plane to the sensor within the housing and a printed circuit board in communication with at least on... | 05/13/2008 |
| 7360437 | Devices for evaluating material properties, and related processes A device for measuring at least one property of a material sample is disclosed. The device includes at least one sensor element which is formed by a direct-write technique. The device can be an instrument for measuring strain in the sample, or for measuring other pr... | 04/22/2008 |
| 7353720 | Bridge patch for electromechanical transducer elements in tire assemblies A bridge patch for use with a tire is provided. The bridge patch modifies the magnitude, orientation, or both of the mechanical forces, and particularly the stress-strain relationship, imparted by the inner liner of a tire in order to obtain the desired stress-strai... | 04/08/2008 |
| 7337678 | MEMS flow sensor A micro-electro-mechanical, micro-fluidic flow sensor (14) includes a flow separating element (15) for separating a first portion (24) of a fluid flow (25) from a second portion (26) of the fluid flow. The flow sensor also includes... | 03/04/2008 |
| 7325327 | Method and apparatus for measuring angular or linear displacement An apparatus and method are disclosed for measuring the angular or linear displacement of an object. That displacement is transmitted to a movable conductive member, which, in response thereto, is moved to a position at which it electrically contacts one of a plural... | 02/05/2008 |
| 7328131 | Implantable pedometer An implantable pedometer for measuring the amount of joint use is disclosed. The implantable pedometer includes a sensor adapted for detecting indicators of joint usage. A counter is configured for storing count data corresponding to the number of indicators detecte... | 02/05/2008 |
| 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 |
| 7316167 | Method and apparatus for protection of contour sensing devices A sheet film protective covering for different types of contour sensing devices is described. In a preferred embodiment, this covering is a mylar sheet film that is coated with a layer of a conductive material. The bottom surface of the mylar film is also preferably... | 01/08/2008 |
| 7311009 | Microelectromechanical systems contact stress sensor A microelectromechanical systems stress sensor comprising a microelectromechanical systems silicon body. A recess is formed in the silicon body. A silicon element extends into the recess. The silicon element has limited freedom of movement within the recess. An elec... | 12/25/2007 |
| 7296475 | Displacement instrument for determining the modulus of a material A novel displacement instrument that can be used to measure the density or modulus of an aggregate pier upon which a multistory building or parking garage can be built. The aggregate piers are often 35 feet or deeper. These aggravate piers are constructed by adding ... | 11/20/2007 |
| 7293466 | Bolt with function of measuring strain A bolt with a function of measuring strain, comprising a Wheatstone bridge circuit comprising a strain sensor and a dummy resistor, a translate circuit that amplifies a signal from the Wheatstone bridge circuit to convert the same into a digital signal, a transmitti... | 11/13/2007 |
| 7286944 | Method and device for securely storing data A system for providing reliable, unalterable mechanical data associated with the mechanical properties of a concrete mass. The system includes a logger, a second memory device and an outbound data transfer device. The logger is provided with one or more sensors, a m... | 10/23/2007 |
| 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 of absorption, ratio of absorptions at two wavelengths, or fluoresce... | 10/23/2007 |
| 7278327 | Film based position and pressure sensor Simultaneous pressure and position information is accurately measured in a sensor realized by utilizing first and second sensor elements that each exhibit a decreasing width over the length of the sensor element and that are arranged overlapping each other and in a ... | 10/09/2007 |
| 7278324 | Carbon nanotube-based sensor and method for detection of crack growth in a structure A sensor has a plurality of carbon nanotube (CNT)-based conductors operatively positioned on a substrate. The conductors are arranged side-by-side, such as in a substantially parallel relationship to one another. At least one pair of spaced-apart electrodes is coupl... | 10/09/2007 |
| 7255007 | Configurations and methods for ultrasound time of flight diffraction analysis An ultrasound test apparatus for polymeric materials (e.g., plastic pipes) includes a low-absorption housing that at least partially encloses an ultrasound transducer, wherein the transducer emits a low frequency wide angle ultrasound beam with a narrow bandwidth. I... | 08/14/2007 |
| 7234360 | TMR sensor A sensor for measuring mechanical changes in length, in particular a compressive and/or tensile stress sensor, includes a sandwich system with two flat and superposed electrodes separated from each other by a tunnel element (tunnel barrier), in particular an oxide b... | 06/26/2007 |
| 7236252 | System and apparatus for measuring displacements in electro-active materials A device designed to apply uniaxial pressure to the surface of an electro-active material while simultaneously applying a current to the material under controlled temperature conditions and then measuring the displacement of the material by means of a laser interfer... | 06/26/2007 |
| 7233000 | Low power silicon thermal sensors and microfluidic devices based on the use of porous sealed air cavity technology or microchannel technology This invention provides a miniaturized silicon thermal flow sensor with improved characteristics, based on the use of two series of integrated thermocouples (6, 7) on each side of a heater (4), all integrated on a porous silicon membrane (2) on ... | 06/19/2007 |
| 7211873 | Sensor device having thin membrane and method of manufacturing the same A sensor device for use in an automobile as an airflow sensor is composed of a silicon substrate in which a cavity is formed and a base plate bonded to the silicon substrate. An upper end of the cavity is closed with a thin membrane including a sensor element such a... | 05/01/2007 |
| 7209240 | System and apparatus for measuring displacements in electro-active materials A specialized containment cell with optically transparent apertures, in conjunction with a laser interferometer system provides the means for non-contact displacement measurements of electro-active (piezoelectric and electrostrictive) materials to be performed under... | 04/24/2007 |
| 7196450 | Electromechanical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same Electromechanical systems utilizing suspended conducting nanometer-scale beams are provided and may be used in applications, such as, motors, generators, pumps, fans, compressors, propulsion systems, transmitters, receivers, heat engines, heat pumps, magnetic field ... | 03/27/2007 |
| 7194912 | Carbon nanotube-based sensor and method for continually sensing changes in a structure A sensor has a plurality of carbon nanotube (CNT)-based conductors operatively positioned on a substrate. The conductors are arranged side-by-side, such as in a substantially parallel relationship to one another. At least one pair of spaced-apart electrodes is coupl... | 03/27/2007 |
| 7167009 | Method and apparatus for determining electrical properties of structures A method and apparatus for determining an electrical property of a structure. The method involves creating a model of an electrical property of a structure and measuring the electrical property of the structure between at least two of a plurality of locations. The m... | 01/23/2007 |
| 7158004 | Integrated circuit inductors The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 01/02/2007 |
| 7146866 | Magnetostrictive strain sensor and method A magnetostrictive strain sensor (10) includes a magnetostrictive core (12) comprising a magnetostrictive material, such as a nickel-iron alloy, able to conduct a magnetic flux and whose permeability is alterable by application of a strain. A conductiv... | 12/12/2006 |
| 7093497 | Legged mobile robot and floor reaction force detection system thereof In a legged mobile robot (1), an elastic member (382) is installed at a position between a second joint (18, 20) connecting a distal end of a leg (2) and a foot (22) and a floor contact end of the foot, and a displacement sensor ( | 08/22/2006 |
| 7077016 | Load sensor A load sensor includes a resilient member including a stationary segment, a load-receiving segment extending outward from the stationary segment, and an arm segment between the load-receiving segment and the stationary segment. Moreover, first and second strain-sens... | 07/18/2006 |
| 7077010 | Magnetoresistive semiconductor pressure sensors and fingerprint identification/verification sensors using same The present invention is directed to a method of sensing pressure in which applied pressure causes a change in the magnetization vector of a magnetoresistive layer within the device and a corresponding change in resistance. The method includes providing a sensing de... | 07/18/2006 |
| 7036387 | Integrated strain gages for board strain characterization A printed circuit board (PCB) having an integrated strain gage. In one embodiment, a PCB includes a component footprint suitable for mounting an electronic component. A strain gage is integrated into the PCB in a location under the component footprint. The strain ga... | 05/02/2006 |
