| Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542) |
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| 03/08/1989 | EP0306194A2 Instrument with crossed-coil type movable magnet |
| 03/08/1989 | EP0305458A1 Process for measuring the speed and/or length of endless lengths of cloth, and device for implementing said process |
| 03/08/1989 | CN2033905U Auto-monitor for speed of automobile |
| 03/08/1989 | CN1031635A Method of taking pictures of a quick-moving object by means of video method |
| 03/07/1989 | US4811255 Tachometer, RPM processor, and method |
| 03/07/1989 | US4811232 Apparatus for measuring wheel speed for anti-skid control system |
| 03/07/1989 | US4811001 Shaft speed monitor |
| 03/07/1989 | US4809857 Drum rotation indicator |
| 03/02/1989 | DE3730102A1 Device for detecting a mark on a rotor disc |
| 03/01/1989 | EP0305233A1 Apparatus to determine the values of the instantaneous speeds of a movable object |
| 03/01/1989 | EP0304939A2 Optical part including integral combination of optical fiber and light emitting or receiving element and method of manufacturing the same |
| 03/01/1989 | EP0304626A2 Traffic-monitoring device |
| 03/01/1989 | EP0180633B1 Apparatus for optical measurement of movement of an object |
| 02/28/1989 | US4809197 Road surface detecting device |
| 02/28/1989 | US4808933 Rotating speed measuring apparatus having a corrector for low and high speeds using angle and frequency transducers |
| 02/28/1989 | US4808920 Method for monitoring a tachometer signal |
| 02/28/1989 | US4808817 Rotational acceleration detector with microdot coding |
| 02/23/1989 | DE3826113A1 Device for the determination of the spatial velocity of moving particles, especially in multi-phase flows |
| 02/22/1989 | CN1003392B Solid state optical interferometer |
| 02/21/1989 | US4807164 Apparatus for measuring and controlling velocity |
| 02/21/1989 | US4806860 Overlapped magnetoresistive displacement detecting transducers having closely spaced longitudinal centers |
| 02/21/1989 | US4806859 Resonant vibrating structures with driving sensing means for noncontacting position and pick up sensing |
| 02/21/1989 | US4805447 Device for detecting an abnormality of a rotation sensor |
| 02/16/1989 | DE3726147A1 Vorrichtung zum steuern der brennkraftmaschine eines kraftfahrzeugs mit einem sensorsystem An apparatus for controlling the internal combustion engine of a motor vehicle with a sensor system |
| 02/15/1989 | CN2032723U Digital locomotive autometer |
| 02/14/1989 | US4804911 Electromagnetic power generating type rotation sensor |
| 02/09/1989 | WO1989001093A1 Device for controlling the combustion engine of a motor vehicle comprising a sensor system |
| 02/07/1989 | USRE32857 Brushless tachometer/synchro |
| 02/07/1989 | US4803425 For use in AC tachometer |
| 02/07/1989 | US4802767 Method and apparatus for optical nutation sensing |
| 02/02/1989 | DE3821734A1 Device for determining the speed of a belt (tape), strip or the like |
| 02/02/1989 | DE3819619A1 Dichtungsanordnung zur anordnung zwischen zwei relativ zueinander drehbaren teilen Share seal assembly for arrangement between two relatively rotatable |
| 01/31/1989 | US4801881 Magnetoresistive sensor having protective dummy elements |
| 01/31/1989 | US4801880 Device for measuring the speed of a moving object |
| 01/26/1989 | WO1989000699A1 A frame assembly and dither drive for a coriolis rate sensor |
| 01/25/1989 | CN2031531U Speed gauge for bicycle |
| 01/24/1989 | US4800508 Frequency detector |
| 01/24/1989 | US4799380 Engine rotation speed detecting apparatus |
| 01/19/1989 | DE3722805A1 Method and device for measuring the slip of asynchronous motors |
| 01/19/1989 | DE3722744A1 Magnetic angle transmitter |
| 01/18/1989 | EP0299000A1 Measurement process and device for detecting projectiles or parts thereof |
| 01/17/1989 | US4799178 Method and apparatus for detecting rotational speed |
| 01/17/1989 | US4798152 For viewing the region of stitch formation of a sewing machineT?????h)??????? |
| 01/11/1989 | EP0298677A2 Optical transducer systems |
| 01/10/1989 | US4797827 Angular position detector |
| 01/10/1989 | US4797612 Device for detecting rotating speed of vehicle wheel |
| 01/10/1989 | US4797611 Bipartite generator wheel for an angular pulse generator |
| 01/10/1989 | US4797592 Dynamo electric machine with upwardly shifted ripple frequency |
| 01/10/1989 | US4797549 Optical sensor and method of making same |
| 01/10/1989 | US4796354 Method of manufacturing a position sensor for detecting angular position |
| 01/04/1989 | EP0297869A2 Apparatus for detecting rotating speed of an object |
| 01/03/1989 | US4796210 Method of displaying the speed and distance on board a motor vehicle |
| 01/03/1989 | US4795278 Bearing assembly |
| 12/27/1988 | US4794551 Rotation speed detecting apparatus |
| 12/27/1988 | US4794241 Scannable document velocity detector |
| 12/27/1988 | US4793192 Electromagnetic pulse receiver for a flow meter |
| 12/22/1988 | DE3817705A1 Method and device for estimating low rotational speeds |
| 12/22/1988 | DE3719439A1 Frequency-measuring method for digital tachometers |
| 12/21/1988 | EP0295720A2 Laser speckel velocity-measuring apparatus |
| 12/21/1988 | CN87216959U Multi-function twist recognizer with computer |
| 12/20/1988 | US4792754 Device for production of a tachometry signal of infinite resolution and without ripple from an inductive position sensor |
| 12/20/1988 | US4792707 Disk tracking device |
| 12/15/1988 | DE3735672A1 Method and device for measuring the speed and the diameter of sponge (cellular) rubber balls in a carrier medium |
| 12/14/1988 | EP0294803A2 Method and apparatus for improving the operational characteristics of a vehicle |
| 12/14/1988 | EP0294674A1 Method and device for controlling tangential belts on machines for producing turned or twisted yarns |
| 12/13/1988 | US4791366 Apparatus including a pair of angularly spaced sensors for detecting angle of rotation of a rotary member |
| 12/13/1988 | US4791332 Rotor for motor tacho-generator |
| 12/13/1988 | US4790492 Revolution sensor for a spool on a fishing reel |
| 12/13/1988 | US4790278 Centrifugal axle speed governor |
| 12/08/1988 | DE3716883A1 Electronic measuring and test system for analyzing weapons and their ammunition |
| 12/07/1988 | EP0294154A2 Single channel encode |
| 12/06/1988 | US4788863 Device for determining swing speed of rotatable implements |
| 12/06/1988 | CA1246184A1 Process and device for the contact free determination of the movement of an object |
| 11/29/1988 | US4788497 Apparatus for measuring motor rotation position and speed |
| 11/29/1988 | US4787682 Method of estimating vehicle speed |
| 11/24/1988 | DE3814921A1 Dichtungselement, insbesondere fuer waelzlager, und einrichtung zum feststellen der geschwindigkeit eines sich drehenden teils unter verwendung des dichtungselements Sealing element, especially for rolling bearings and device to determine the speed of a rotating part under use of the seal elements |
| 11/24/1988 | DE3814920A1 Lager fuer ein sich drehendes teil und verfahren zu seiner herstellung Bearing for a rotating part and process for its manufacture |
| 11/23/1988 | EP0291708A2 Apparatus for measuring the velocity of light scattering moving particles |
| 11/22/1988 | US4786803 Single channel encoder with specific scale support structure |
| 11/17/1988 | EP0290490A1 Vehicle velocity sensing apparatus and method |
| 11/15/1988 | US4785242 Position detecting apparatus using multiple magnetic sensors for determining relative and absolute angular position |
| 11/15/1988 | US4785238 Speed signal generating circuit system |
| 11/15/1988 | US4783998 Method of monitoring the operation of a cyclically moving, power generating or power transmitting element and an apparatus for monitoring the operation of such an element |
| 11/10/1988 | DE3728623C1 Sensor for a motor vehicle |
| 11/10/1988 | DE3714695A1 Device for supporting a magnetic shaft of an eddy-current measuring mechanism |
| 11/10/1988 | DE3714271A1 Evaluating circuit for inductive encoder |
| 11/08/1988 | US4783609 Rotation detecting apparatus for use with compressor |
| 11/08/1988 | US4783180 Bearing assembly for vehicle |
| 11/08/1988 | US4782700 Frame assembly and dither drive for a coriolis rate sensor |
| 11/03/1988 | DE3712713A1 Device for measuring the true speed of motor-driven vehicles |
| 11/02/1988 | EP0288952A2 Method and device for measuring the speed of vehicles |
| 11/02/1988 | EP0288759A2 Magnetic monitoring device, particularly for monitoring the parameters of angular movement of rotating members |
| 11/02/1988 | EP0288683A2 Method and circuit for digital rotation speed measurement |
| 11/01/1988 | US4782344 Microwave size/speed vehicle detector |
| 11/01/1988 | US4781538 Compressor with rotation detection device |
| 11/01/1988 | CA1244136A1 Variable colour digital tachometer |
| 10/26/1988 | EP0288333A1 Process and appliance for monitoring a magnetic variable-reluctance sensor, and their use in motor vehicle electronics |
| 10/26/1988 | EP0287937A2 Tachometer generator for electric machines |
| 10/26/1988 | EP0287852A2 Process and arrangement for measuring the number of revolutions of an electric machine |
| 10/26/1988 | EP0287827A2 Method for the operation of a pyrodetector for the detection and/or determination of the velocity of a moving object |