| Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542) |
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| 06/25/1991 | US5026178 Sensor bearings for determining rotational speed and/or angle of torsion |
| 06/25/1991 | US5026141 Structural monitoring system using fiber optics |
| 06/19/1991 | EP0432475A1 Sensor magnet mounting device having an improved mounting structure |
| 06/15/1991 | CA2031751A1 Inductive transducer and devices for measuring the displacement of a moving member |
| 06/13/1991 | DE4034005A1 Wireless monitor system for bicycle wheel |
| 06/13/1991 | DE3940505A1 Revolution rate sensor - has magnetic field probe between toothed pulse wheel and magnet arrangement |
| 06/12/1991 | EP0431749A1 Variable reluctance rotation sensor |
| 06/12/1991 | EP0431474A1 Fiber optic gyro |
| 06/12/1991 | EP0431254A1 Speed sensor for abs-system |
| 06/12/1991 | EP0431243A1 Speedometer for bicycle |
| 06/11/1991 | US5023547 Variable reluctance rotation sensor with changing flux linkages and including a pair of oppositely poled magnets |
| 06/11/1991 | US5023546 Variable reluctance rotation sensor with changing coil linkages and a pair of flux producing magnets |
| 06/06/1991 | DE4100584A1 Speed-measuring arrangement for miniature DC commutator motor - employs proportionate AC component of commutated current in speed regulation circuit with adjustable set-point value |
| 06/06/1991 | DE3939939A1 Pulse generator - has magnetic material disc that rotates and is detected by Reed switch sensor |
| 06/05/1991 | EP0429819A1 Device for measuring a periodically fluctuating variable in an internal combustion engine |
| 06/05/1991 | EP0323458B1 Device for controlling an internal combustion engine |
| 06/05/1991 | CN2078445U Miniature hall sensor for measuring vehicle-speed |
| 06/04/1991 | US5021735 Opto-electronic bachometer and position detector of an electric motor |
| 06/04/1991 | US5021648 Motion tranducing through conversion of linear motion to circular motion |
| 06/04/1991 | US5020968 System for controlling the rotating speed of a pneumatically driven spindle |
| 06/04/1991 | US5020903 Optical correlation-type velocity measurement apparatus |
| 05/28/1991 | US5020008 Method of calibrating vehicle speed signals |
| 05/28/1991 | US5019780 Method and apparatus for monitoring optical fibers during payout |
| 05/28/1991 | US5019776 Magnetic position detection apparatus having two magnetic recording medium tracks with magnetoresistors arranged in a bridge circuit so as to eliminate even order harmonic distortion |
| 05/28/1991 | US5019774 Method and apparatus for sensing the rotational speed of an aircraft wheel with an amplifier and transducer located in the wheel and a circuit to check the integrity of the transducer |
| 05/28/1991 | US5019773 Method and apparatus for detecting positions and/or speed of a moving body using two phase signals |
| 05/28/1991 | US5018852 Motion detection, novelty filtering, and target tracking using an interferometric technique with GaAs phase conjugate mirror |
| 05/28/1991 | US5018384 Rotational speed detector |
| 05/27/1991 | CA2009583A1 Two wire and multiple output hall-effect sensor |
| 05/22/1991 | WO2007068496A1 Sensor |
| 05/22/1991 | EP0428307A1 Velocity transducer for vehicle suspension system |
| 05/22/1991 | CN1012654B Equipment for measuring speed of movable parts |
| 05/21/1991 | WO1991007665A1 Process and system for acquiring and evaluating measurement data |
| 05/21/1991 | US5017868 Bearing assembly with encoder ring in slidable contact with sensor |
| 05/21/1991 | US5017866 Magnetic field sensor mounting with sensor arm contacting rotating bearing member |
| 05/21/1991 | US5017861 Meter driving apparatus |
| 05/21/1991 | CA2063601A1 Process and system for gathering and evaluating measured data |
| 05/16/1991 | WO1991006457A1 Circuit arrangement for processing the output from a rev counter |
| 05/15/1991 | EP0427110A1 Fiber optic gyro |
| 05/15/1991 | CN2077128U Laser doppler instantaneous velocimeter |
| 05/15/1991 | CN1051429A Method and device for measuring velocity of target by utilizing doppler shift of electromagnetic radiation |
| 05/14/1991 | US5015878 Circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor |
| 05/14/1991 | US5014555 Roll rate sensor |
| 05/08/1991 | EP0426298A1 Variable-reluctance magnetic sensor with multiple toothed rotating tone wheel |
| 05/08/1991 | DE4032985A1 Rotation detection arrangement, esp. for vehicle transmission - has rotor with stable accurate magnetic braking and reduced bearing wear |
| 05/08/1991 | DE3936614A1 Speed control of movement of sensitive, elongated material - contactlessly marking material with ink and evaluating electronic camera signals by computer |
| 05/07/1991 | US5013946 Miniature motor with a frequency generator |
| 05/02/1991 | EP0425118A2 Method and apparatus for monitoring optical fibers during payout |
| 05/02/1991 | EP0424704A2 Method and device for measuring velocity of target by utilizing Doppler shift of electromagnetic radiation |
| 05/02/1991 | DE4033468A1 Indicator control circuit for vehicle, engine speed etc. - contains digitiser and digital filter with hysteresis |
| 05/02/1991 | DE3935594A1 Dc motor RPM measuring and evaluating circuitry - contains partial rotation measurer connected to motor controller via evaluation circuit ascertaining motor drive displacement in vehicle |
| 04/30/1991 | US5012207 Variable reluctance transducer processing circuit for providing an output unaffected by low frequency components |
| 04/30/1991 | US5012188 Velocity detector for detecting velocity from position detector outputting a pair of orthogonal signals |
| 04/30/1991 | US5011303 Integrated bearing provided with a pulser and with a sensor for equipping a motor vehicle wheel hub |
| 04/30/1991 | US5011302 Motor vehicle hub and bearing with integrated anti-lock brake sensor mounting |
| 04/30/1991 | US5011278 Optical correlator method and apparatus for particle image velocimetry processing |
| 04/26/1991 | WO1991006869A1 A magnetohydrodynamic angular rate sensor for measuring large angular rates |
| 04/25/1991 | DE4003728C1 Uneven rotation detector for transport rollers in tunnel furnace - has measuring units for devices assigned to rollers to deliver magnetic, EM, acoustic or optical signals |
| 04/25/1991 | DE3935585A1 Model-supported test system for electrical machines or drives - has electronic RPM counter without mechanical coupling matching output waveform of VCO to input waveform of PLL |
| 04/24/1991 | EP0424324A1 An anti-lock braking system |
| 04/24/1991 | EP0424185A1 Rollbearing with speed measuring device |
| 04/24/1991 | EP0424184A2 Rolling bearing or bearing equipped with a speed detection device |
| 04/24/1991 | EP0149680B1 Apparatus for detecting speed of electric motor |
| 04/24/1991 | CA2026172A1 Method and apparatus for monitoring optical fibers during payout |
| 04/23/1991 | US5010290 Easily installed wheel bearing sensor package |
| 04/23/1991 | US5009506 Photoelectric position-measuring arrangement having a plurality of shiftable grids |
| 04/23/1991 | US5009450 Vibration-absorber sensor for a semi-actively controlled chasis with a relative-velocity sensor and with electronics for processing their outputs |
| 04/18/1991 | WO1991005298A1 Process and device for imitating the speed in incremental measuring systems |
| 04/18/1991 | DE3932735A1 Arrangement for detecting flow quantities in gas meters - has flow driven element with alloy wire moved past sensor coil in static magnetic field |
| 04/17/1991 | EP0422732A2 Adaptive apparatus for identification of a periodic signal |
| 04/17/1991 | EP0422362A2 Pulse generator for a household appliance provided with control and display devices |
| 04/17/1991 | EP0422212A1 Optical correlator method and apparatus for particle image velocimetry processing |
| 04/17/1991 | EP0250545B1 Optical data collection apparatus and method |
| 04/17/1991 | CN2075167U Intelligent speed tester for vehicle train |
| 04/16/1991 | US5008647 Wireless bicycle wheel monitor system |
| 04/10/1991 | EP0420897A1 Method of path and angle measurement. |
| 04/10/1991 | EP0420885A1 Tacho generator |
| 04/09/1991 | US5006703 Reflective optical rotary encoder disc |
| 04/04/1991 | WO1991004494A1 Sensor, especially rotation speed probe |
| 04/04/1991 | DE3932214A1 Verfahren und vorrichtung zur nachbildung der geschwindigkeit bei inkrementalen messsystemen Method and device for replica of the rate for incremental measuring systems |
| 04/03/1991 | EP0420172A1 Speckle velocity sensor |
| 04/03/1991 | EP0420041A1 Elastomer covered phonic wheel for detection of the speed of a rotating element |
| 04/03/1991 | EP0420040A1 Polarized magnetic ring equipped with protecting sleeve for the speed detection of a rotary element |
| 04/03/1991 | CN2074457U Inductive speed sensor |
| 04/02/1991 | US5004981 Detector device for simultaneously detecting both the direction and number of rotations of rotating member |
| 04/02/1991 | US5004980 Wheel bearing apparatus provided with compact wheel rotation speed detector lying within the outside periphery of the bearing apparatus |
| 04/02/1991 | US5004979 Battery tach |
| 04/02/1991 | US5004358 Device enabling the revolutionary speed to be measured between two parts in relative rotation such as the supports of a vehicle wheel |
| 04/02/1991 | US5003820 Electronic speedometer for snow skis |
| 04/02/1991 | US5003704 Distance measuring device and method for use with vehicles |
| 03/27/1991 | EP0419041A1 Speed/position sensor based upon magnetoresistive effect |
| 03/27/1991 | EP0418532A1 Assembly for connecting a wheel to a vehicle axle |
| 03/26/1991 | US5003259 Magnetic monitoring device, particularly for monitoring the parameters of angular movement of rotating members having a peripheral irregularity |
| 03/26/1991 | US5003257 Digital speedometer displaying of measured object without flickering of least significant digit of displayed value |
| 03/26/1991 | US5002404 Radial rolling bearings |
| 03/26/1991 | US5002287 Seal |
| 03/21/1991 | WO1991003703A1 Interferometer utilizing superfluorescent optical source |
| 03/20/1991 | EP0417956A2 Improvements in or relating to the control of linear motors |
| 03/20/1991 | EP0417466A1 Assembly for connecting a wheel to an industrial vehicle axle provided with a device measuring the wheel velocity |
| 03/20/1991 | EP0417423A2 Circuit for the determination of the rotational speed of a wheel |