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| Number | Title | Issue Date |
| 7694589 | Low and empty product detection using load cell and load cell bracket A system and method detect when a product container from which a product is dispensed is empty or nearly empty, and provides a notification of the product status. The system includes a load cell that deflects at a first rate of distance per unit load when a load les... | 04/13/2010 |
| 7472610 | Apparatus, system, and method for differential pressure measurement across a conduit flow area change An apparatus, system, and method are disclosed for differential pressure measurement across a fluid conduit flow area change. The apparatus may include a particulate filter, a differential pressure sensor, and a fluid conduit size change downstream of the particulat... | 01/06/2009 |
| 7347102 | Contact-type electric capacitive displacement sensor A contact-type electric capacitive displacement sensor includes a stationary element having a stationary plate, a stationary conductive pattern formed on the stationary plate and an insulation film coated on the stationary plate and a displaceable element having a d... | 03/25/2008 |
| 7337681 | Hybrid sensor including electrostatic capacitance sensor A hybrid sensor is formed by stacking a plurality of flexible sheets each provided with electrode patterns. The hybrid sensor includes a contact pressure sensor which has switches turning on or off by a pressure load, and an electrostatic capacitance sensor which de... | 03/04/2008 |
| 7226638 | Method and arrangement in connection with production line for optic cable A method and an arrangement in connection with a production line for optic cable, wherein optical fibers (1) are guided to a coating point (3), where filling gel is applied around the fibres, and a loose tubular casing is formed around the fibres and t... | 06/05/2007 |
| 7217891 | Capacitive sensing apparatus for a vehicle seat A capacitive sensing apparatus for a vehicle seat includes a deflectable dielectric mat and a flexible printed circuit that wraps around the major surfaces of the dielectric mat to define upper and lower conductor strips that overlap in a direction perpendicular to ... | 05/15/2007 |
| 7063382 | Vehicle seat assembly having a vehicle occupant sensing system and a seat cushion insert A vehicle seat assembly for detecting a condition of the seat assembly. The vehicle seat assembly includes a seat cushion. The vehicle seat assembly also includes a vehicle occupant sensing system having a plurality of sensor assemblies. Each sensor assembly include... | 06/20/2006 |
| 7049828 | Capacitive sensor for determining linear or angular position A capacitive sensor includes an electrode member with two spaced-apart electrodes and an air gap therebetween. A position reference plate, which can be straight for sensing linear position or curvilinear for sensing angular position, is disposed in the air gap, with... | 05/23/2006 |
| 6958453 | Weighing pan carrier with overload protection device A weighing pan carrier (47) for a balance with a weighing pan and with a weighing cell that includes a load-receiving portion (11) and a stationary portion (12) has an overload protection device against excessive vertically directed forces that ... | 10/25/2005 |
| 6829953 | Capacitive sensor A capacitive sensor includes a fixed board provided with a fixed electrode unit consisting of one or more electrodes, a movable member provided with a movable electrode unit consisting of one or more electrodes which faces the fixed electrode unit with a gap therebe... | 12/14/2004 |
| 6823747 | Capacitive sensor A capacitive sensor includes a retaining member, an intermediate member retained by the retaining member such that the intermediate member can rotate around a first axis, a movable member retained by the intermediate member such that the movable member can rotate ar... | 11/30/2004 |
| 6234031 | Fingerprint detection apparatus Providing a fingerprint detection apparatus which is small in size, low in cost and high in reliability. The fingerprint detection apparatus includes a shape transfer unit having a contact face for being contacted by a finger whose fingerprint is to be de... | 05/22/2001 |
| 5598356 | Displacement converting device and method for measuring pressure differences using same A displacement converter in which a pressure difference is determined by detecting capacitances C1 and C2 between fixed electrodes 3,4 and a diaphragm 1, which receives pressure differences on both of its sides and can be displaced. The pressure differenc... | 01/28/1997 |
| 5287748 | Method and apparatus for changing the sensitivity of a transducer A method of changing the sensitivity of a transducer includes applying to the transducer a cyclic excitation signal. The excitation signal has a number of recurring phases of different amplitudes. The transducer's output signal has a like number of recurr... | 02/22/1994 |
| 5150759 | Capacitor-sensor An improved capacitor-sensor formed between two rigid, closely-spaced and facing, first and second plates, each with a facing and nonfacing surface and with specific facing electrode patterns on the plates forming a plurality of capacitors sensitive to di... | 09/29/1992 |
| 5033314 | Force and moment sensor The force and moment sensor of the present invention has first and second load paths for transferring forces and moments from an input member to the output member. The first and second path forming members cooperating with one another to divide the forces... | 07/23/1991 |
| 4991448 | Function checking system for magnetic tape cassette A tape cassette has a reel provided with a flange the outer periphery of which is toothed so that top lands and bottom lands are alternately formed. A brake mechanism includes a brake lever which can be swung between an engaging position in which its enga... | 02/12/1991 |
| 4981187 | Load cell weighing apparatus A load cell weighing apparatus comprising a load cell for generating an output voltage corresponding to load weight, an amplifier section for amplifying the output voltage of the load cell, an analog/digital converter for periodically converting the outpu... | 01/01/1991 |
| 4928764 | Wireline tool cable head overload apparatus A logging tool cable head for supporting the sonde on a cable is disclosed. It has an upper end which affixes to the cable and a lower end affixed to the sonde. The lower end supports an inwardly directed electrical grounding contact. The upper end suppor... | 05/29/1990 |
| 4884223 | Dynamic force measurement system A dynamic force measurement system for taking a series of force measurements of a force applied against a sensor device whereby to determine, record, display and store the sequence of force measurements. The sensor device is adapted to respond to said for... | 11/28/1989 |
| 4738146 | Piezoresistive force-measuring element and its use for determining forces acting on a component A piezoresistive force-measuring element comprises at least two force-introduction plates with an electrical conductor subjected to plastic deformation arranged between them. The force-introduction plates transmit the forces acting on them without mechani... | 04/19/1988 |
| 4706507 | Torque measuring device having dual range load cells A torque measuring device having dual range load cells is provided featuring high accuracy over a large range of torque measurements. A pair of load cell assemblies act on the torque arm of a dynamometer torque balance. A compliant element is employed to ... | 11/17/1987 |
| 4641661 | Electronic algesimeter An electronic algesimeter adapted to determine by cutaneous sensation the threshold of pain experienced by a patient at any skin site on the body. The instrument includes a hand-held, pressure-sensitive transducer having projecting therefrom a sensor cons... | 02/10/1987 |
| 4632198 | Multi-range load cell weighing instrument An improvement in a multi-range load cell weighing instrument of the type which has a plurality of load cells including a high weighing load cell positioned adjacent a base and a low weighing load cell positioned adjacent a tray. In the improved weighing ... | 12/30/1986 |
| 4586388 | Three force balanced mechanism In a three force balanced mechanism comprising a floating pivot, an input force transmitting member, a feedback force transmitting member, one end of the input force transmitting member and one end of the feedback force transmitting member pivot in differ... | 05/06/1986 |
| 4573542 | Load-weighing apparatus for an elevator car The load-weighing apparatus faultlessly detects even smallest load variations in the lower load range. For this purpose wire strain gauges are mounted at structural parts or components of the elevator car and these structural parts or components are subje... | 03/04/1986 |
| 4566340 | Force transducer A force transducer angularly adjustable about an axis for producing an output signal proportional to the magnitude of an input force. A signal output member, cantilevered from a base through a spring flexure, is provided with a spindle, the center of whic... | 01/28/1986 |
| 4553880 | Hydra-pneumatic load sensor and signal system The present invention comprises a hydra-pneumatic load sensor and signal system including two stacked bellows, one filled with liquid, the other with a pressurized gas. Load on the sensor is initially supported by the gas filled bellows to a predetermined... | 11/19/1985 |
| 4517848 | Apparatus for measuring forces An apparatus for measuring forces comprises a coil spring within a body; a movable part within the body, the movable part being subjected to the action of the force to be measured and being in contact with one end of the coil spring; a needle on a dial wh... | 05/21/1985 |
| 4501160 | Force transducer A transducer adapted for load cell applications comprises a base having a load receiving member connected thereto by at least one and preferably two flexure springs to permit the member to flex relative to the base. A sensing beam, having one or more stra... | 02/26/1985 |
| 4491027 | Wide-range load cell A wide-range load cell is installed within a press in line with the work load. The load cell measures the actual force applied to the load irrespective of any friction, binding or drag in the press mechanism. The sensitivity of the load cell is adjusted i... | 01/01/1985 |
| 4487079 | Dual range force transducer A force transducer producing two output signals having different proportionalities to the magnitude of a force applied to a force receiving platform cantilevered from a base through a C-shaped flexure producing a displacement of the platform proportional ... | 12/11/1984 |
| 4466296 | Force transducer range adjuster A force transducer for producing an output signal proportional to the magnitude of an input force having a force receiving base cantilevered from a fixed base through a leaf spring flexure assembly which is provided with means for anchoring the opposite e... | 08/21/1984 |
| 4395920 | Digital stylus force gauge A device for measuring small units of force or weight, such as the tracking force of a phonograph cartridge, includes an elastic flexure member having an electric contact for engagement with an encoder. As the flexure member is deflected by an amount prop... | 08/02/1983 |
| 4389646 | Displacement converting circuit arrangement A displacement converting circuit arrangement comprising first and second capacitors in the form of a paired structure, at least one of the capacitors having a capacitance which is varied in response to a mechanical displacement. Means are provided for de... | 06/21/1983 |
| 4375243 | Wide range high accuracy weighing and counting scale An electronic scale is provided with two or more load cells in which the first load cell covers a low load range, and each successive cell covers a greater load range than the preceding cell. The cells are connected mechanically in tandem such that a load... | 03/01/1983 |
| 4365519 | Adjustable spring unit for use in force measuring apparatus A spring unit for use in force measuring apparatus, the unit being adapted to present an adjustable spring constant so as to be useful for measuring directional forces of widely different magnitudes imparted thereon. The spring unit includes a ring-shaped... | 12/28/1982 |
| 4307787 | Electronic scales with two ranges In order to obtain, in an electronic balance, ranges which are in a predetermined ratio, for example 1:10, there is provided a measuring arm provided with strain gauges adapted to measure the deformation of this arm when it is subjected to a constraint or... | 12/29/1981 |
| 4287776 | Force transducer In a force transducer for producing an output signal proportional to the magnitude of a force applied to a force receiving platform cantilevered from a base through a compound flexure unit, comprising: (a) a C-shaped flexure having a thin, flexible middle... | 09/08/1981 |
| 4282762 | Load sensing transducer A dual range transducer is disclosed for accurately measuring loads in both low ranges and high ranges. The transducer includes an annular member having strain gauges mounted on side regions for measuring low loads applied between end regions of the annul... | 08/11/1981 |
