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| Number | Title | Issue Date |
| 8011253 | Stress-wave sensor module, stress-wave sensor, and method for detecting a vehicle collision event utilizing the stress-wave sensor A stress-wave sensor module, a stress-wave sensor, and a method for detecting a vehicle collision event utilizing the stress-wave sensor are provided. The stress-wave sensor has first and second support members and a diaphragm member coupled between the first and se... | 09/06/2011 |
| 7770461 | Brake-force-sensing device for vehicle running gears In a measuring device for the measurement of the brake torque on an aircraft landing gear, a connecting element that is transversally loaded by the brake torque is provided with measuring elements which produce a measuring signal in function of a deformation of the ... | 08/10/2010 |
| 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 |
| 7387033 | Single-wire sensor/actuator network for structure health monitoring A sensor/actuator network configured with a number of electrically-interconnected elements. More specifically, the sensors/actuators are each placed in electrical communication with the same transmission line. Various embodiments of such networks employ sensors/actu... | 06/17/2008 |
| 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 |
| 7364020 | Measuring device for an electromechanical brake A force sensor for an electromechanical brake has a closed ring having a C-shaped profile that is open inwardly. Force is introduced along the inner circumference of the ring. ... | 04/29/2008 |
| 7357036 | Force measuring apparatus and strain measuring element A force measuring apparatus comprises has a force-transmitting component, that holds a strain measuring element with a carrier element and a displacement transducer. The carrier element has two fixing sections at a predefined distance from each other in a direction ... | 04/15/2008 |
| 7347109 | Load cell with foil strain gauge A foil strain gage is attached to a strained section for outputting a resistance change proportional to a strain generated at the strained section. The foil strain gage includes two grid-shaped resistors disposed in parallel on an insulating base material as detecti... | 03/25/2008 |
| 7342185 | Compression column load cell with compensation for off center loading errors Simple and inexpensive electrical compensation for off-axis and off-center loading sensitivity is possible in compression column load cells having a pair of compensation strain gages in series with each of the main strain gages in the load cell. The compensation gag... | 03/11/2008 |
| 7331243 | Force transducer for measuring axial forces A force transducer for measuring axial forces which act essentially transversely on an axis, in particular a measuring axis, has a longitudinally extending axial body, which has a first portion, forming a force introduction zone, at least one second portion, forming... | 02/19/2008 |
| 7243945 | Weight measuring systems and methods for vehicles Weight sensor for determining the weight of an occupant of a seat including a bladder arranged in a seat portion of the seat and including material or structure in an interior thereof which constrains fluid flow therein and one or more transducers for measuring the ... | 07/17/2007 |
| 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 |
| 7166035 | Systems and methods for fitting golf equipment A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one... | 01/23/2007 |
| 7043977 | Device and method for measuring parameters during flight tests of an aircraft A sensor support includes a rigid insert, on which a sensor is installed, and a flexible envelope fitted at a bottom face thereof with a double-sided adhesive to bond the sensor support to an aircraft structure Assembly and disassembly of the sensor are easy and the... | 05/16/2006 |
| 6991119 | Measurement system and method for assessing lift vehicle stability A measurement system uses dual axis force sensor pins to effectively assess the tipping moment of a load-bearing vehicle and anticipate imminent tipping in any direction. The pins are installed in the pivot points of the boom of a lift vehicle and its main lift cyli... | 01/31/2006 |
| 6958451 | Apparatus and method for measuring weight of an occupying item of a seat Arrangement and method for determining weight of an occupying item in a seat including one or more weight sensors arranged to obtain a measurement of the force applied to the seat, a forcing function determination arrangement for measuring a forcing function of the ... | 10/25/2005 |
| 6910392 | Bending beam load cell with torque sensitivity compensation A bending beam load cell can be compensated for side-to-side off center load sensitivity by simple electrical adjustments if a pair of shear sensing strain gages are bonded to each bending beam midway between axial strain gages used to measure bending strains. The s... | 06/28/2005 |
| 6850857 | Data fusion of stationary array sensor and scanning sensor measurements The present invention is directed to improving the accuracy with which a stationary array sensor provides cross directional measurements by providing an offset compensation to the stationary array sensor using the output of a scanning sensor associated with the manu... | 02/01/2005 |
| 6662088 | Methods and systems for inspecting aircraft fuselage frames A method for inspecting an aircraft fuselage using an inspection system including a movable detector, wherein the method includes coupling a collision avoidance system to the inspection system detector, monitoring the collision avoidance system during ope... | 12/09/2003 |
| 6582632 | Injection molding machine An injection molding machine for plastic materials, the operation of which is governed by continuous monitoring of at least one measurement parameter, wherein there is provided a control which outputs a signal upon failure of a sensor which detects the me... | 06/24/2003 |
| 6508132 | Dynamic load cell apparatus A load cell for use in dynamic testing apparatus for mechanically testing samples includes an accelerometer mounted in the load cell on the same axis as the line of action of the mechanical force applied to the specimen under test. The resultant signal fr... | 01/21/2003 |
| 6301775 | Alumina encapsulated strain gage, not mechanically attached to the substrate, used to temperature compensate an active high temperature gage in a half-bridge configuration A temperature compensation element for a high-temperature strain gage and the method of fabricating the same. Preferably, the element is a "dummy" strain gage not mechanically attached to the substrate. The element is encapsulated in an insulative materia... | 10/16/2001 |
| 6302424 | Force-sensing fifth wheel A sensing system employs multiple sensors utilizing mounting structure integrated into a fifth wheel hitch and which is protected from the environment, is capable of accurately measuring forces along longitudinal and vertical axes for providing informatio... | 10/16/2001 |
| 6173615 | Sensing device for measuring a load on a vehicle in two directions simultaneously To detect changes of a load on a vehicle in two directions simultaneously by itself. A width-direction load sensor (3) and a thickness-direction load sensor (4) are mounted on a sensor portion (2b) of a sensing device (1) interconnecting fixing portions (... | 01/16/2001 |
| 5991676 | Seat occupant sensing system A seat occupant sensing system has a plurality of variable resistance force sensors located between a rigid seat support member and the floor of the vehicle. The force transferred from the rigid seat support member to the floor of the vehicle passes throu... | 11/23/1999 |
| 5877436 | Method for quantitative determination of the pressure comfort of a seat cushion A method is provided for quantitative determination of the pressure comfort of a seat cushion. For this purpose, the sitting surface of the seat cushion to be tested is loaded mechanically in a manner that corresponds to a normal individual sitting in it,... | 03/02/1999 |
| 5789683 | Construction in which sensing elements for sensing a load on a vehicle are mounted (Purpose) A construction for mounting a load-sensing element for use with a vehicle, in which construction no measurement error is resulted even if the slide plate contacts the leaf spring at different contacting points. (Construction) The sensing element 21 i... | 08/04/1998 |
| 5747697 | Valve stem thrust measuring device A strain gage device that includes a split collar having a pair of hinged half sections arranged to close in pressure contact against a structural member bearing a strain inducing load. Each half section further contains a flexible ligament that is held i... | 05/05/1998 |
| 5717143 | Apparatus for illustrating bolt preloads An apparatus for analyzing bolt loads which includes first and second flanges having opposed faces. A plurality of bolts extend through the faces for securing the flanges together. A sensor is carried by each of the bolts for measuring the load experience... | 02/10/1998 |
| 5528151 | Thermal fatigue testing using plural test trips with graduated sizing and recessed anchoring A plurality of fatigue life test strips (16, 18, 20, 22) has each of the strips anchored to a base (12) which is subject to thermal cycling and consequent dimensional change which causes fatigue. The base is, at best, semiconductive, and the strips are co... | 06/18/1996 |
| 5490427 | Six axis force sensor employing multiple shear strain gages A force sensor is disclosed in which strain is measured exclusively by shear strain gages mounted on L or T-shaped legs. Each such leg has at least two arms which are orthogonal to one another. That is, the arms of the L or T each have a lengthwise or lon... | 02/13/1996 |
| 5386724 | Load cells for sensing weight and torque on a drill bit while drilling a well bore A load cell for sensing weight and torque on a drill bit during a drilling operation includes a cylindrical load cell made from a material with minimum residual stress. A plurality of strain gages are arranged symmetrically on each load cell and electrica... | 02/07/1995 |
| 5375471 | Conformal circuit with harsh environment isolation materials A multilayer flexible circuit for sensing physical properties of a structural surface 12 capable of surviving exposure in harsh environments through the use of isolation materials 70 disposed within the flexible circuit 10.... | 12/27/1994 |
| 5313840 | Tactile shear sensor using anisotropically conductive material In accordance with the present invention, a tactile sensor capable of detecting shear force comprises an anisotropically conductive material disposed between a conductive cursor and an array of contacts. In one preferred embodiment, the anisotropic materi... | 05/24/1994 |
| 5184516 | Conformal circuit for structural health monitoring and assessment A strain, crack and acoustic emission conformal structural health monitoring circuit with integral preprocessor and provisions for connectorization to a central processing system includes a strain gauge (11) having crack sensing traces (21), (23), and (25... | 02/09/1993 |
| 5182722 | Apparatus for assessing the stiffness of a sheet The invention relates to an apparatus (2) for assessing the stiffness of a sheet (4), such as a currency note, by measuring the extent and rate of movement of the trailing edge of the sheet (4) away from a feed path for the sheet. Such movement is part of... | 01/26/1993 |
| 5174159 | Linear displacement and strain measuring apparatus Linear displacement and strain measuring apparatus includes a linearly movable element, an emitter disposed on the movable element to move as the element is moved, for developing predetermined paterns of electric fields which vary linearly on the emitter ... | 12/29/1992 |
| 5086652 | Multiple pad contact sensor and method for measuring contact forces at a plurality of separate locations A contact sensor formed of a pair of thin flexible insulating sheets and having a plurality of elongate flexible leads, each connected to a single terminal and having an independent sensing pad positionable via the elongate flexible leads at separate sele... | 02/11/1992 |
| 4995261 | Field-based movement sensing apparatus A transducer for measuring strain in an object on which the transducer is placed includes a flexible, generally planar frame member for placement on the object. The frame member, in turn, includes a pair of generally parallel beams, one of which is moveab... | 02/26/1991 |
| 4957002 | Method, system and device for determining quality of assembly of tool parts A method, system and device for determining the quality of assembly of tool parts involves measurement of the rates of rotation of the tool parts or the torque imposed on the tool parts, or a combination thereof, followed by measurement of axial strain, o... | 09/18/1990 |
