| Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542) |
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| 06/07/1994 | US5319439 Stationary wave interpolator |
| 06/07/1994 | US5319352 Speed monitoring of in-plant, operator controlled vehicles |
| 06/07/1994 | US5319271 Pulse signal generating device |
| 06/07/1994 | CA1330115C Method and apparatus for iterated determinations of sensed speed and speed governing |
| 06/07/1994 | CA1330111C Speed detector |
| 06/01/1994 | EP0599179A1 Annular speed sensor with strain relief |
| 06/01/1994 | EP0598934A1 Measuring device for the contactless determination of the rotational speed, respectively speed or position, of an object |
| 05/31/1994 | US5317258 Device for evaluating periodic signals from inductive pick-ups having a pulse former stage influenced as a function of the pick-up signal amplitude |
| 05/26/1994 | WO1994011845A1 Device and method for determining movement of a surface |
| 05/26/1994 | DE4339894A1 Vehicle wheel bearing seal with integrated coding element - uses pulse generator with evenly spaced windows between permanent magnet and stationary sensor |
| 05/26/1994 | DE4239170A1 Signal pick-up for contactless measurement of speed of rotor - is imposed on periphery of cylindrical rotor by resistance welding of flattened paraxial sections of wire within range of stationary sensor |
| 05/26/1994 | DE4239157A1 Pulse train generator for rotating toothed wheel of rotary printer - comprises permanent magnet biassed Hall-effect sensors associated with pole surfaces, which are distributed around wheel at angles less than teeth sepn. angles |
| 05/25/1994 | CN1024710C Antifriction bearing with clip-on sensor |
| 05/25/1994 | CN1024709C Bearing with magnetic field sensor |
| 05/24/1994 | US5315536 Meter driving system |
| 05/24/1994 | US5315244 Magnetic sensor with laminated field concentrating flux bar |
| 05/19/1994 | DE4338587A1 Estimating gripping properties of road surface w.r.t. vehicle wheels - deriving slip limit value from wheel angle signal and slip signal from wheel speeds, using predefined relationship to derive grip value |
| 05/19/1994 | DE4338380A1 One=part hub and stimulation ring arrangement for vehicle with ABS - has cylindrical cast hub with ring of axial slots forming peripheral teeth |
| 05/19/1994 | DE4238965A1 Electric motor with incorporated rpm sensor - uses motor control voltage for providing earth voltage for rotation sensor via diode half-bridge |
| 05/19/1994 | CA2106536A1 Shaft speed sensor assembly |
| 05/18/1994 | EP0597378A1 Rotatable wheel hub assembly for a vehicle having an anti-lock braking system |
| 05/18/1994 | EP0597238A1 Retention device for sensors for measuring the mutual movement of two relatively rotating members |
| 05/18/1994 | EP0489111B1 Flux concentrator for magnetic sensors |
| 05/17/1994 | US5313391 Drive slip regulating system wherein a slippage threshold is determined from the speed and acceleration of non-driven wheels |
| 05/17/1994 | US5313182 Magnet structure for a displacement sensor |
| 05/14/1994 | CA2102989A1 Integral abs exciter ring for cast iron hub |
| 05/13/1994 | CA2102886A1 Abs wheel hub assembly and method of making the same |
| 05/11/1994 | WO1994010549A1 Sensor system for antiblock brakes |
| 05/11/1994 | EP0596873A2 Rolling bearing or bearing equipped with a speed detection device |
| 05/10/1994 | US5311123 Method of measuring the instantaneous shaft velocity of a rotary machine |
| 05/10/1994 | US5311118 Ripple elimination in a frequency-to-voltage converter for a cross-coil meter |
| 05/10/1994 | US5311029 Magnetic speed sensor with optical conversion |
| 05/10/1994 | US5310384 Continuously variable transmission belt ratio measurement system |
| 05/10/1994 | US5310266 Rolling-contact bearing assembly with data sensor |
| 05/05/1994 | DE4333121A1 Locating system with magnetometer for magnetic objects in ground - contains magnetic probe movable along a line, and corrects for speed variations |
| 05/05/1994 | DE4329482A1 Digital=analogue vehicle head-up display unit - contains pulse motor controlled to rotate pointer to scale line corresp. to value displayed by digital section |
| 05/05/1994 | DE4236649A1 Pulse transducer for detecting vehicle wheel revolution rate - has pulse ring with uniformly distributed apertures bounded by angled struts, and rotating counter piece on outer surface |
| 05/04/1994 | EP0595728A1 Sensor system for antilock brakes |
| 05/04/1994 | EP0595605A2 Optical device for measuring speed |
| 05/04/1994 | EP0594668A1 Optical signal processing |
| 05/03/1994 | US5309094 Bearing rotary speed sensor with concentric multipole magnetic rings axially aligned with collector branches |
| 05/03/1994 | US5309093 Electronic speed signal ratio measuring apparatus for controlling operations |
| 05/03/1994 | US5308975 Optical insturment having stage support |
| 05/03/1994 | US5308171 Axle bearing unit with rotational speed sensor |
| 04/27/1994 | EP0594550A1 Method and device in a bearing |
| 04/27/1994 | EP0594119A1 Doppler-effect vehicle speed sensor using different speed determining rules depending upon receiver output |
| 04/26/1994 | US5307293 Apparatus for measuring speed |
| 04/26/1994 | US5307274 Zero-point correction device for a gravity-type accelerometer |
| 04/21/1994 | DE4235232A1 Continuous determination of vehicle speeds and distances - using video-camera with vertical optical axis above road and successively timed exposures referred to uniformly spaced reference planes. |
| 04/21/1994 | DE4234849C1 Optical displacement measuring system - uses CCD line camera providing video signals, subjected to data reduction prior to evaluation. |
| 04/20/1994 | EP0593351A1 Sensor for measuring the angular displacement of a moving part |
| 04/19/1994 | US5305220 Apparatus for electronically measuring the speed of internal combustion engines and method of operating such apparatus in monitoring an internal combustion engine |
| 04/19/1994 | US5305084 Heterodyne interferometer |
| 04/19/1994 | US5304963 Filter circuit for an electromagnetic pickup |
| 04/19/1994 | US5304907 Servo system that controls a motor and compensates for system irregularities |
| 04/19/1994 | US5303925 Golf swing gauge |
| 04/14/1994 | WO1994008244A1 Method and apparatus for determining the rate of angular rotation of a rotating object |
| 04/14/1994 | WO1994007630A1 Wheel speed measuring gear and method of manufacturing the same |
| 04/14/1994 | DE4301342C1 Wind- or water-powered electricity generator - has drive coupling having adjustable transmission ratio adjusted to maintain constant generator revolutions. |
| 04/13/1994 | EP0592171A1 Method of and apparatus for compensating for material instabilities in piezoelectric materials |
| 04/13/1994 | CN2161926Y 速度监控器 Speed Monitor |
| 04/13/1994 | CN1085315A Heterodyne frequency-shifting-type twin laser interferometer with common-mode suppressed frequency shift interference |
| 04/12/1994 | US5302893 Magnetic encoder having a magnetic recording medium containing barium-ferrite |
| 04/06/1994 | EP0590190A1 Signal generator |
| 04/06/1994 | CN2160909Y Magnetoelectric revolution speed sensor |
| 04/05/1994 | US5301130 Absoulte velocity sensor |
| 04/05/1994 | US5300884 Position sensing apparatus for measuring the angular position of a rotor relative to a stator having a plurality of teeth with excitation windings and plural phase reception windings |
| 03/31/1994 | WO1994007150A1 Full and partial cycle counting apparatus and method |
| 03/31/1994 | DE4301966C1 Rotation detector, esp. for vol. measurement device - contains rotor with constant electromagnetic damping and variable damping region, associated sensors |
| 03/29/1994 | US5299131 Method of correcting the rotating speed of vehicle wheels sensed by wheel sensors |
| 03/29/1994 | US5298738 System for monitoring vehicles having a start and a stop pair of beams |
| 03/23/1994 | EP0587643A1 Head drum for a recorder. |
| 03/22/1994 | US5297044 Torque and rotating speed sensor |
| 03/22/1994 | US5296805 Serviceable wheel speed sensor with magnet assisted retention |
| 03/22/1994 | US5296768 Revolutions per minute regulation device for a hand-held electric tool and method of its manufacture |
| 03/17/1994 | WO1994006030A1 Magnetoresistive integrated circuit sensor with high output voltage swing and temperature compensation |
| 03/16/1994 | EP0586942A1 A wheel speed sensor input circuit with sensor status detection |
| 03/16/1994 | EP0586661A1 Method and device for optically measuring the size or speed of an object moving through a fluid |
| 03/16/1994 | EP0448615B1 A method of optically determining the speed of a surface |
| 03/16/1994 | EP0447475B1 Optoelectronic sensing device |
| 03/15/1994 | US5294081 Automatic control system for a railway vehicle's speed and stopping |
| 03/15/1994 | US5293787 Rotors having a combined function of providing a variable reluctance magnetic path and an axial thrust bearing surface |
| 03/15/1994 | US5293774 Shaft breakage detection apparatus |
| 03/11/1994 | CA2105638A1 A wheel speed sensor input circuit with sensor status detection |
| 03/10/1994 | DE4230043A1 Pulse ring for vehicle wheel with brake antilock monitoring - fills gaps between magnetic or ferromagnetic teeth with plastic magnetically-neutral brake-lining material to provide smooth outer surface |
| 03/10/1994 | DE4230012A1 Vehicle wheel with antilock braking monitor - holds pulse ring in recess in brake disc in contact with cooling ribs and presses against side of recess using spring |
| 03/08/1994 | USRE34559 Diagnostic method for analyzing and monitoring the process parameters in the operation of reciprocating equipment |
| 03/08/1994 | US5293125 Self-aligning tachometer with interchangeable elements for different resolution outputs |
| 03/08/1994 | US5293124 Sensing device for detecting the rotational speed of a rotating element mounted on a non-rotating element by means of a bearing |
| 03/08/1994 | US5293040 Method and apparatus for measuring vibrations of rotating shaft |
| 03/08/1994 | US5292184 Wheel speed correction device which compensates for changes in tire diameter and during vehicle turns |
| 03/03/1994 | WO1994004930A1 Process and device for measuring the speed of vehicles |
| 03/03/1994 | DE4229045A1 Commutator motor speed, direction and angle sensor for vehicle sliding roof or electric window - extends segment of commutator to L=shaped track which runs along circumference of commutator, and has sliding contact for sensing voltage of extended track |
| 03/03/1994 | DE4228893A1 System for controlling travel dynamics of road vehicle e.g. for ABS or ASR - has sensors for determining longitudinal, transverse or sheer coupled to and physically combined with evaluation unit in module, and separates further evaluation units for activating actuators from module |
| 03/03/1994 | DE4228413A1 Motor vehicle weight calculation - dividing difference between drive forces, measured at spaced times, by difference between accelerations measured at corresponding times, to form quotient |
| 03/02/1994 | EP0584566A2 Method for fault detection in the analysis of output signals of an r.p.m. sensor |
| 03/01/1994 | US5291133 Multi-bit encoder signal conditioning circuit having common mode disturbance compensation |
| 03/01/1994 | US5291130 Vehicle wheel speed sensor employing an adaptable rotor cap |
| 03/01/1994 | US5291014 Passive safety device using optical signals for controlling an airbag system of a vehicle, method for optically triggering the passive safety device, and optomechanical acceleration sensor |
| 02/23/1994 | EP0583495A1 Method for the detection and correction of errors in time measurements of rotating shafts |