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| Number | Title | Issue Date |
| 7441470 | Strain gauge type sensor and strain gauge type sensor unit using the same A strain gauge type sensor and a strain gauge type sensor unit using the sensor are improved in sensitivity. In a strain gauge type sensor 1 for measuring at least one of multiaxial force, moment, acceleration, and angular acceleration, externally applied, di... | 10/28/2008 |
| 7365031 | Conductive pressure sensitive textile A fabric including within its construction a first elongated electrical conductor crossed by a second elongated electrical conductor, the conductors being normally biased apart at a crossover point of said fibres with an air gap between them, whereby application of ... | 04/29/2008 |
| 7350419 | Control device for non-positive connections The invention relates to a control device for non-positive connections, especially screw connections. The device includes two force application elements and a measuring element arranged therebetween. The measuring element is at least partially provided with a layer ... | 04/01/2008 |
| 7334452 | Method for characterizing materials by using a mechanical resonator Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines oscillated in opposite directions and in opposite phases. A variable f... | 02/26/2008 |
| 7320254 | Hand-held torque measuring device An ergonomic wedge shaped torque tester with multiple push buttons to control the use and recording functions. The top of the device has a single on/off button, a display screen to display the results of the test, two push buttons for scrolling through the various s... | 01/22/2008 |
| 7318358 | Strain sensor that compensates for thermal strain A strain sensor includes a sensor body extending substantially in a plane. The sensor body is substantially symmetric in the plane about a first axis and a second axis that is perpendicular to the first axis. The sensor body includes a plurality of sensor body porti... | 01/15/2008 |
| 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 |
| 7249502 | Precipitation/hail sensor and method for precipitation rate measurement The invention relates to a precipitation detector (1) and method for measurement of precipitation parameters. The detector (1) includes a frame (5), a surface (2) mounted on the frame (5) and adapted to receive hydrometeors, and de... | 07/31/2007 |
| 7224257 | Physical quantity sensing element having improved structure suitable for electrical connection and method of fabricating same A physical quantity sensing element according to the invention includes an insulating layer and a sensing layer. The sensing layer is configured to generate an electrical signal as a function of a physical quantity applied thereto and has a surface that includes a f... | 05/29/2007 |
| 7213323 | Method of forming an electronic pressure sensitive transducer on a printed circuit board The cost and complexity of an electronic pressure sensitive transducer are decreased by constructing such a transducer directly on a printed circuit board containing support electronics. Conductive traces are formed on the printed circuit board to define a contact a... | 05/08/2007 |
| 7194923 | Strain detector and pressure sensor A thin-film resistor (5) provided on a strain-generating part (2) via an insulating film (4) and an electrode thin-film (6) including an electrode pad (10) arranged in the thin-film resistor (5) are provided. The thin-film r... | 03/27/2007 |
| 7166808 | Apparatus for measuring the weight force of a load processed by a machine An apparatus is provided for measuring the weight force of a bale in a baler wherein the bale moves between a first position, within the baling chamber, and a second position, within a wrapping apparatus carried by the baler chassis. A measurement device, which is c... | 01/23/2007 |
| 7151431 | Resistor element, stress sensor and method for manufacturing them A stress sensor in which the direction and magnitude of a stress being applied to a post (6) bonded to or integrated with the surface of an insulating board (3) can be grasped from variation in the resistance of a plurality of resistor elements (8 | 12/19/2006 |
| 7145432 | Flexible switching devices An electronic resistor user interface comprises flexible conductive materials and a flexible variably resistive element capable of exhibiting a change in electrical resistance on mechanical deformation and is characterised by textile-form electrodes (10,12) a... | 12/05/2006 |
| 7134349 | Micro-force sensing system An improved microforce sensing system is provided. The microforce sensing system includes: a force sensor configured to detect a contact force exerted on a contact tip of the cantilever and operable to generate a signal indicative of the contact force, where the can... | 11/14/2006 |
| 7116209 | Strain gauges The present invention provides a strain gauge comprising a resistive layer. The resistive layer comprises metallic or semiconducting nanoparticles or aggregates thereof in which the nanoparticles or aggregates thereof are separated by insulating and/or semiconductin... | 10/03/2006 |
| 7030411 | Electronic unit integrated into a flexible polymer body A peel and stick electronic system comprises a silicone body, and at least one electronic unit operatively connected to the silicone body. The electronic system is produce by providing a silicone layer on a substrate, providing a metal layer on the silicone layer, a... | 04/18/2006 |
| 7002083 | Hand truck weighing device and weighing method The invention includes a device for and a method of weighing. A device according to the invention is a hand truck having weight sensors in each toe-portion. A method according to the invention uses such a hand truck to provide a weight signal corresponding to the we... | 02/21/2006 |
| 6951137 | Method and apparatus for measuring bending in a pin member An instrument pin member is provided that is capable of measuring bending moments and optionally of measuring bending and axial strain in real or near real time. The instrumented pin member includes a pin member body disposed about a pin member axis, wherein the pin... | 10/04/2005 |
| 6907677 | Stable LVDT extensometer A new extensometer is disclosed that avoids prior art problems of drift and other problems from variations in temperature, humidity and other environmental factors. Two primary extensometer body parts each hold at one end specimen contact rods and at their other end... | 06/21/2005 |
| 6683525 | Electrical strain sensitive resistor An electrical circuit having at least one electrical component, in particular a strain-sensitive resistor and conductor tracks which are applied to a metallic carrier with the intermediate positioning of at least one insulating layer, at least one further... | 01/27/2004 |
| 6612614 | Vehicle seat position sensing apparatus An apparatus (10) is used in a vehicle having a seat frame (20) for supporting a vehicle occupant and a floor pan (4) for supporting the seat frame (20) for movement relative to the floor pan (4). The apparatus (10) includes a deflection member (50), a se... | 09/02/2003 |
| 6614342 | Strain gauge A high-performance strain gauge has a high gauge factor and a decreased temperature coefficient of resistance (TCR). The strain gauge has a laminated structure that includes a first layer formed of a positive TCR material and a second layer formed of a ne... | 09/02/2003 |
| 6563415 | Analog sensor(s) with snap-through tactile feedback An analog sensor depressible by a single human finger/thumb. Depressive force is applied to a dome-cap and to analog materials for varying an analog output of the sensor responsive to varying force applied by a single finger or thumb. Depressive force cau... | 05/13/2003 |
| 6512445 | Strain-sensitive resistor A strain-sensitive resistor including a resistance layer arranged on a support element and an electromechanical transducer produced with this transistor. The support element has a recess in its surface. When the support element is subjected to mechanical ... | 01/28/2003 |
| 6452479 | Detector contructed from fabric A position sensor is arranged to detect the position of a mechanical interaction, such as the application of manual pressure. A first fabric layer has electrically conductive fibers machined therein to provide a first conductive outer layer allowing condu... | 09/17/2002 |
| 6441716 | Semiconductor piezoresistor A piezoresistor having a base substrate with a quantum well structure formed on the base substrate. The quantum well structure includes at least one quantum well layer bounded by barrier layers. The barrier layers are formed from a material having a large... | 08/27/2002 |
| 6275137 | Semiconductor piezoresistor A piezoresistor having a base substrate with a quantum well structure formed on the base substrate. The quantum well structure includes at least one quantum well layer bounded by barrier layers. The barrier layers are formed from a material having a large... | 08/14/2001 |
| 6121870 | Pressure sensitive transducer with pressure sensitive layer including semi-conductive particles Pressure sensitive layers are disposed on respective resin films through electrodes to face each other, and include high conductivity flaky carbon particles and low conductivity amorphous-based carbon particles. The two kinds of carbon particles are bound... | 09/19/2000 |
| 6016097 | Motion transducer A motion transducer having a user moveable plunger which compresses a spring for generating a force proportional to plunger displacement and applying the generated force to an actuator telescoped onto the plunger. The actuator has an elastomeric pad on th... | 01/18/2000 |
| 5773728 | Force transducer and method of fabrication thereof the present invention provides a force transducer having high compression fracture strength and high detection sensitivity, thus satisfying both detection precision and reliability, and also a method of fabricating such a force transducer. The force trans... | 06/30/1998 |
| 5767840 | Six-degrees-of-freedom movement sensor having strain gauge mechanical supports A user-manipulable sensor apparatus is provided for allowing a user to input, through hand manipulation of a movable member, motion in six degrees of freedom: translational motion in the X, Y, and Z axes, and rotation about each of those three axes. The a... | 06/16/1998 |
| 5594405 | Pressure transducer with pressure sensitive conductor A pressure transducer has a cylindrical body with a thread formed on at least part of the outer surface. A resistance element is wound in the thread and an internal bore receives pressurized fluid. The resistance element is strained by application of pres... | 01/14/1997 |
| 5528214 | Pressure-adjusting device for adjusting output of integrated pressure sensor A pressure-adjusting device for adjusting an output of an integrated pressure sensor in which a silicon wafer is joined onto a seat that has pressure-adjusting passages formed therein, and which has formed in the silicon wafer a signal processing circuit ... | 06/18/1996 |
| 5520051 | Strain sensing device Device including a strain generating portion supported at least at one end on a substrate and formed in a displaceable manner with respect to the substrate in a cavity of the substrate. A semiconductor strain sensing element, which is disposed at the stra... | 05/28/1996 |
| 5453628 | Microelectronic diamond capacitive transducer A capacitive transducer includes a first electrically conductive layer, and a diamond diaphragm mounted opposite the first electrically conductive Layer so as to be moveable relative to the first electrically conductive layer. The first electrically condu... | 09/26/1995 |
| 5404124 | Foil strain gage and load cell with such a strain gage A foil strain gage or a transducer or load cell with such a strain gage has a backing to which a resistor grid is bonded, made of polyaryletherketone and preferably also a cover of polyaryletherketone.... | 04/04/1995 |
| 5400489 | Method of stabilizing the surface properties of objects to be thermally treated in a vacuum To avoid any deterioration of the surface properties of objects of ceramic, glass, or a single-crystal insulating material which are subjected to a vacuum temperature process, a thin layer of a spin-on glass solution with a silicon-dioxide equivalent of n... | 03/28/1995 |
| 5373739 | Acceleration detector An acceleration detector includes a beam having a strain gauge mounted thereon, an arm of synthetic resin fixed on the beam and a spherical weight fixed on the end of the arm. The weight, the arm and the beam are formed as a single unit by insert formatio... | 12/20/1994 |
| 5329271 | Semiconductor strain sensor A semiconductor strain sensor includes a silicon substrate, a strain resistive element and electrodes. The silicon substrate has a deformable portion which is deformed when stress is applied to it. The strain resistive element is formed on the deformable ... | 07/12/1994 |
