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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7406883 | Compact device for measuring the speed and the direction of rotation of an object The invention concerns a device for measuring the speed and direction of rotation of an object (3) near to which it is placed. It comprises: a magnetic detection device (2) that delivers, in response to a rotation of ... | 08/05/2008 |
| 7404333 | Sensor head or detection head and device comprising such a head Sensor head or detector head (1) composed primarily of a protective casing that forms a hollow body (2) with an external surface, the so-called active surface (2′), and of a sensing or detection element mounted in the hollow body and adjacent ... | 07/29/2008 |
| 7400993 | Method and system for accuracy of speed and acceleration measurements on rotating machinery with a speed wheel A method and system for calculation of rotation dependent parameters in a system that senses shaft rotation of a toothed speed wheel. The method includes determining the passing edges of multiple gear teeth on a rotating speed wheel; calculating rotational speed of ... | 07/15/2008 |
| 7339372 | Rotation detecting sensor A rotation detecting sensor includes a magnetic element group include at least three magnetic elements each of which detects rotations of a rotary body that includes a magnetic body, output portions each for outputting a signal generated at each of the magnetic elem... | 03/04/2008 |
| 7331229 | Magnetic null accelerometer An accelerometer system includes a capacitor plate fixed within a housing and a flexure plate positioned substantially parallel to the capacitor plate a distance therefrom. The distance varies in response to acceleration forces acting upon the flexure plate such tha... | 02/19/2008 |
| 7302868 | Method for measuring forces acted upon tire and apparatus for measuring forces acted upon tire There is provided an apparatus for measuring forces acted upon a tire in which a radial force and a peripheral force acting to the tire, which are required for the high precision measurement of a friction coefficient on a road surface, are simply measured in a high ... | 12/04/2007 |
| 7285952 | Rotation angle detecting device A rotation angle detecting device is rotated by a rotating object via a gear mechanism to detect a rotation angle of the rotating object. The rotation angle detecting device includes a housing, a magnet rotor unit having a permanent magnet and a central hole, a magn... | 10/23/2007 |
| 7271583 | Systems and methods for decoding a signal A system for decoding a signal of a rotating portion of a machine. The system includes a sensor configured to output N signals based on signals received from the rotating portion, and a processor configured to derive a value from a plurality of differences between s... | 09/18/2007 |
| 7265539 | Calibration of a hall effect sensor An actuator having an output shaft, a motor for rotating the output shaft between a first position and a second position, and an electronic control module having a controller and a sensor. The sensor is configured to output a signal to the controller indicative of t... | 09/04/2007 |
| 7205759 | Apparatus and method for determining an engine speed A removable sensor assembly for non-intrusively sensing instantaneous speed of an engine comprising a crankshaft having a respective end equipped with an externally accessible bolt, the removable sensor assembly comprising: a housing comprising a recess configured t... | 04/17/2007 |
| 7194921 | Speed-sensing device and method for assembling the same A method for assembling a speed-sensing device for monitoring an angular velocity of a rotatable shaft, comprises the steps of: providing a hollow housing having a speed sensor hole, installing a stopper plug into the speed sensor hole so that a stein portion of the... | 03/27/2007 |
| 7185532 | Tire status detection system and method A system and method for detecting changes in tire status in real time, e.g., changes in tire pressure or changes that might indicate an imminent tread separation or other failure, using magnetic sidewall torsion (SWT) signatures for tires. A measured magnetic signat... | 03/06/2007 |
| 7171848 | Tire status detection system and method A system and method for detecting changes in tire status in real time, e.g., changes in tire pressure or changes that might indicate an imminent tread separation or other failure, using magnetic sidewall torsion (SWT) signatures for tires. A measured magnetic signat... | 02/06/2007 |
| 7141966 | Rotation detecting apparatus Rotation detecting apparatus for detecting rotation of a magnetic rotor includes: a sensor chip having a magnetoresistive device; and a bias magnet. The magnetoresistive device is capable of detecting change of a magnetic vector near the sensor chip so that the rota... | 11/28/2006 |
| 7100375 | System for limiting rotational speed of a turbocharger A system for limiting the rotational speed of a turbocharger is disclosed. The turbocharger includes a compressor having an outlet fluidly coupled to an intake manifold of an internal combustion engine and a compressor outlet, a turbine having an inlet fluidly coupl... | 09/05/2006 |
| 7100433 | Vehicle wheel having primary detector function The present invention relates to a wheel rim (1), having a wheel rim bed (1a), of a vehicle wheel having a detection system for a measurement device for detecting the rotational velocity of the vehicle wheel. The detection system comprises a mar... | 09/05/2006 |
| 7078891 | Speedometer gear output structure A speedometer gear output structure includes a gearbox installed in a motorcycle and holding a driven gear and an output gear for synchronous rotation with the wheels of the motorcycle, an annular magnetic device fastened to the gear shaft of the output gear for syn... | 07/18/2006 |
| 7075291 | Tone wheel testing apparatus and its test method Tone wheel testing apparatus and the test method using the apparatus are disclosed. Tone wheel testing apparatus comprising a surface adjusting means for holding in the horizontal position an annular object to be tested to which a tone wheel is attached, the means c... | 07/11/2006 |
| 7075290 | Tachometer apparatus and method for motor velocity measurement A method and apparatus for determining the velocity of a rotating device is described herein. The apparatus includes a magnet assembly affixed to a rotating shaft of a rotating device and a circuit assembly. The circuit assembly includes a circuit interconnection ha... | 07/11/2006 |
| 7062969 | Measurement apparatus and sensor apparatus A measurement apparatus includes a speed sensor, a cadence sensor and a display portion. The apparatus further includes a transmit portion for wirelessly transmitting signals detected by the speed sensor and the cadence sensor to the display portion. The transmit po... | 06/20/2006 |
| 7061228 | Apparatus for detecting rotation of a bicycle part An apparatus for detecting rotation of a bicycle part comprises a casing member comprising a generally annular body structured to be mounted to the bicycle part so that the annular body is incapable of rotating relative to the bicycle part as the bicycle part rotate... | 06/13/2006 |
| 7007472 | System for limiting turbocharger rotational speed A system for limiting the rotational speed of a turbocharger is disclosed. The turbocharger includes a compressor having an outlet fluidly coupled to an intake manifold of an internal combustion engine and a compressor outlet, a turbine having an inlet fluidly coupl... | 03/07/2006 |
| 6992476 | Transmitter system for a ferraris motion transmitter A highly simply technical transmitter system for a Ferraris movement transmitter, wherein several magnetic field generators (M1,M2,M3) form at least one magnetic circuit with a moveable, non-magnetic electrically conducting rotating measuring bo... | 01/31/2006 |
| 6987384 | Device for detecting rotation angle and torque A detector of a rotation angle and torque is disclosed. First gear (1) and second gear (2) are coupled to input shaft (4) and output shaft (6) of a torsion-bar unit respectively. First magnet (20a) magnetized in a radius dir... | 01/17/2006 |
| 6956367 | Bearing assembly equipped with rotation sensor to determine rotation and position of rotating element To provide a compact bearing assembly equipped with a rotation sensor capable of detecting not only pulse signals for detecting the number of revolution, but also a home position signal, the bearing assembly equipped with the rotation sensor includes a rotatable mem... | 10/18/2005 |
| 6907794 | Torque measuring apparatus for rotating body A torque measuring apparatus includes a rotor having a hollow body portion formed between a drive-side flange portion and a load-side flange portion. Light emitting elements are disposed on a periphery of the rotor, for emitting optical signals based on an output fr... | 06/21/2005 |
| 6906509 | Rotor for rotation sensor A rotor for a rotation sensor mounted on a bearing unit for a wheel on an automotive vehicle used to detect the number of revolutions of the wheel includes a reinforcing ring (2) secured to a radially outside rotational part or element of the bearing unit. A ... | 06/14/2005 |
| 6906513 | Rotary motion detector A rotary motion detector includes an electrically conducting induction element formed essentially as a hollow cylinder and rotatable about a rotation axis. An excitation assembly applies an inhomogeneous magnetic field and induces an eddy current in the induction el... | 06/14/2005 |
| 6903546 | Rotation detection sensor A rotation detection sensor provided at a cover member relative to a non-rotation member includes a fitting member including a convex portion inserted into an assembling bore formed on the cover member and a detection portion provided at the fitting member and facin... | 06/07/2005 |
| 6850053 | Device for measuring the motion of a conducting body through magnetic induction A device for measuring a motion of a moving electrically conducting body is disclosed. A magnetic field generated by, for example, electromagnets or permanent magnets, penetrates at least a partial area of the moving body. Two or more measuring devices are arranged ... | 02/01/2005 |
| 6848308 | Circuit arrangement for evaluating an acceleration sensor using the Ferraris principle In order to compensate for a drop in sensitivity at high rotational speeds, an acceleration sensor having an inductive measuring head (T) which cooperates with a moving Ferraris disk (F) essentially over a main magnetic field and which supplies an acceleration-depen... | 02/01/2005 |
| 6799140 | Detector for monitoring rotation A detector for monitoring rotation of a target includes a sensor unit, a microcontroller, and an operator conversation apparatus. The operator conversation apparatus is connected to the microcontroller and enables setting of the detector in a working mode or a learn... | 09/28/2004 |
| 6736009 | Measurement system comprising an acceleration sensor and a position sensor A measurement system for determining acceleration and a position of an object. The measurement system includes a first sensor system for determining an acceleration of an object, the first sensor having a body with an electrically conducting measuring structure, a d... | 05/18/2004 |
| 6585420 | Wheel support bearing assembly and anti-skid brake device using the same To provide a wheel support bearing assembly having a capability of detecting the number of revolutions of a wheel, having no risk of breaking of wire outside a vehicle body, capable of reducing the weight and cost of an automotive vehicle. This wheel supp... | 07/01/2003 |
| 6564635 | Bearing assembly with integral sensor for sensing rotation A bearing assembly tachometer device for attachment to a rotating shaft which comprises bearing target members disposed between a rotating inner ring member and a non-rotating outer ring to reduce friction therebetween, and a sensing device such as a Hall... | 05/20/2003 |
| 6538433 | Method and apparatus for non-contact measuring of metal bed parameters In a method and device for measuring at least one parameter of a metal bed, measuring is obtained by a magnetic field being generated from one side of the metal bed so that eddy currents are generated in the metal bed as the metal bed moves relative to th... | 03/25/2003 |
| 6522038 | Integrated air control valve using contactless technology A control valve assembly for the rotary or linear actuation of control valves using contactless technology and the use of direct integration of electronic componentry into a lead frame interconnection assembly includes a contactless motor, a control valve... | 02/18/2003 |
| 6508116 | Water bike equipped with speed meter A water bike equipped with a speed meter wherein a speed meter sensor 1 including a coil for generating a magnetic flux and electrodes disposed at positions vertical to both flowing direction of a fluid and direction of the magnetic flux, and for measurin... | 01/21/2003 |
| 6462535 | Eddy current sensor with a modification coil for reducing extensive heating and a method for operating such an eddy current sensor An eddy current sensor including an arrangement for generating a first magenetic flux, which is essentially directed vertically with respect to a moved body, a detector coil for detecting an eddy field in the moved body and a second arrangement which gene... | 10/08/2002 |
| 6404182 | Method for detecting the magnetic field of a tire A first portion of a perimeter of an outer circumferential portion of a tire is magnetized with a first polarity along the steel belt in one circumferential direction less than 360° and a second portion of the perimeter is magnetized with a second polari... | 06/11/2002 |
