| Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542) |
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| 05/26/1988 | DE3737992A1 Digital tachometer (rev counter) |
| 05/24/1988 | US4746862 Apparatus for detecting both rotational speed and reference rotational angle of a rotary member |
| 05/24/1988 | US4746791 Fiber optic sensor with an optical modulator having a permanent magnet for the detection of the movement or position of a magnetic component |
| 05/24/1988 | US4746211 Real time velocity determination |
| 05/24/1988 | US4746210 Centrifuge strobe method and circuit |
| 05/19/1988 | WO1988003642A1 Ferromagnetic drive and velocity sensors for a coriolis mass flow rate meter |
| 05/18/1988 | CN87107660A Control system for induction motor driving electrically-propelled vehicle |
| 05/17/1988 | US4745563 Method of detecting the speed of a motor |
| 05/17/1988 | US4745554 Method of detecting the number of revolutions of internal combustion engine |
| 05/17/1988 | US4745363 Non-oriented direct coupled gear tooth sensor using a Hall cell |
| 05/17/1988 | CA1236876A1 Electric motor and tachometric generator unit |
| 05/11/1988 | EP0267087A1 Belt slip detection apparatus for an electrical generator driven by an engine |
| 05/11/1988 | EP0266585A1 Rotation speed measuring apparatus with a magnetoresistive sensor, especially for anti-skid systems for vehicles |
| 05/11/1988 | DE3718298C1 Device for determining the speed of a ball |
| 05/10/1988 | US4744041 Method for testing DC motors |
| 05/05/1988 | DE3636079A1 Displacement sensor for ferromagnetic materials |
| 05/04/1988 | EP0155272B1 Electric measuring apparatus with connection wire |
| 05/03/1988 | US4742332 Magnetic shaft angle encoder |
| 05/03/1988 | US4742297 Programmable cycle meter |
| 04/28/1988 | DE3636039A1 Rotor magnet of annular shape |
| 04/27/1988 | EP0264408A1 Inductive proximity sensor |
| 04/26/1988 | US4740689 Arrangement for an optical speed indicator |
| 04/21/1988 | WO1988002812A1 Device for detecting input signals of a control unit in an internal combustion engine |
| 04/21/1988 | DE3727636A1 Circuit arrangement for the rapid digital measurement of frequency |
| 04/21/1988 | DE3634214A1 Drive motor for an apparatus |
| 04/20/1988 | CN87207400U Optoelectronic reversible counter using fourth hamonic generation |
| 04/19/1988 | US4738132 Efficiency monitoring device |
| 04/14/1988 | DE3634576A1 Speed-measuring device, in particular for antilock devices in vehicles |
| 04/14/1988 | DE3633802A1 Pulse converter circuit |
| 04/12/1988 | US4737698 Position and speed sensors |
| 04/07/1988 | DE3732158A1 Von einem elektromotor angetriebene tachometer-vorrichtung From an electric motor driven tachometer-device |
| 04/06/1988 | CN87212660U Computerized dynamic tester for coal mining roof |
| 04/05/1988 | US4736297 Continuous real time drilling penetration rate recorder |
| 04/05/1988 | CA1234790A1 Adjustable photosensor mounting arrangement for a centrifuge |
| 04/05/1988 | CA1234705A1 Angular velocity sensor |
| 03/30/1988 | CN87209518U New type axe and angle photoelectric sensor |
| 03/30/1988 | CN87202295U Slip ratio sensing device |
| 03/29/1988 | US4734869 Diagnostic method for analyzing and monitoring the process parameters in the operation of reciprocating equipment |
| 03/29/1988 | US4734655 Digital rotation detecting apparatus |
| 03/23/1988 | EP0260729A1 Method for determining the transportation speed of circuit boards in soldering machines, and transportation equipment for carrying out this method |
| 03/23/1988 | EP0260531A2 Apparatus for measuring parameters of rotating parts |
| 03/22/1988 | US4733070 Rotational information output device |
| 03/22/1988 | US4732599 Detecting displacement of a part; bonding to substrate |
| 03/22/1988 | US4732494 Bearing or roller bearing with data sensor |
| 03/22/1988 | US4732034 Tachometer kit with alternator pick up |
| 03/22/1988 | US4731898 Vacuum cleaner |
| 03/16/1988 | EP0259509A1 Method for measuring rotation speed and rotation speed sensor provided with a fibre-optical Sagnac interferometer |
| 03/16/1988 | CN87106152A Electric motor with velocity indicating device |
| 03/15/1988 | US4731746 Electronic device for the acquisition of asynchronous periodic signals |
| 03/15/1988 | US4730929 Method and device for the contactless measurement of movement |
| 03/10/1988 | WO1988001692A1 Device for controlling an internal combustion engine |
| 03/10/1988 | DE3630062A1 Device for determining speeds of rotation |
| 03/09/1988 | EP0259025A2 Electric motor with velocity indicating device |
| 03/03/1988 | DE3628585A1 Pulsed tachometer |
| 03/03/1988 | DE3628457A1 Messverfahren zur bestimmung der drehgeschwindigkeit Standard method for the determination of the rotation speed |
| 03/02/1988 | EP0258074A1 Inductive signal emitter sensor to trigger an ignition device of an internal combustion engine and ignition device including such an inductive sensor |
| 03/02/1988 | EP0162900B1 Apparatus for measuring preferably the rotational speed of rotating bodies |
| 03/02/1988 | EP0144321B1 Electronic speed sensor |
| 03/02/1988 | CN87205576U Motor vehicle-speed outside indicator with memory |
| 03/01/1988 | US4728942 Self-powered rotation indicator |
| 02/25/1988 | WO1988001415A1 A device for measuring the movement of a motor vehicle |
| 02/25/1988 | WO1988001388A1 Measurement process for determining rotation speed |
| 02/24/1988 | CN86211048U Speed dometer for bidirectional running vehicle |
| 02/23/1988 | US4727258 Optoelectronic system for passive range metering |
| 02/17/1988 | EP0255977A2 Processing quadrature signals |
| 02/17/1988 | CN86105876A Laser football speedmeter |
| 02/16/1988 | US4725776 Magnetic position detector using a thin film magnetoresistor element inclined relative to a moving object |
| 02/16/1988 | US4725751 Electrical machine |
| 02/11/1988 | WO1988001048A1 Efficiency monitoring device |
| 02/10/1988 | CN86209639U Apparatus for randomly monitoring automobile speed |
| 02/09/1988 | US4724317 Optical data collection apparatus and method used with moving members |
| 02/09/1988 | US4723726 Rotating speed control device of a rotary type electrostatic spray painting device |
| 02/03/1988 | EP0254970A2 Method and arrangement to generate a tachovoltage for driving dc motor in typewriters or similar office machines |
| 02/03/1988 | CN87104556A Detecting process and device for optical nutation |
| 02/03/1988 | CN86105821A Measurment device composed of optical lense and photoelectrical cell |
| 01/28/1988 | WO1988000713A1 Control method and apparatus |
| 01/27/1988 | CN87203904U Electronic vehicle velocity meter |
| 01/26/1988 | US4721895 Multi-speed analog servo |
| 01/26/1988 | US4721864 Inductive pulse generator |
| 01/20/1988 | EP0253636A1 Control method and apparatus |
| 01/14/1988 | WO1988000349A1 Method and apparatus for optical nutation sensing |
| 01/12/1988 | US4718621 Automatic transportation system |
| 01/12/1988 | US4718276 Angular motion sensor |
| 01/12/1988 | CA1231255A1 Coil system for inductive measurement of the velocity of movement of a magnetized body |
| 01/07/1988 | EP0251009A1 Wheel for an angular pulse generator |
| 01/07/1988 | DE3720935A1 Circuit arrangement with a sensor and a number of evaluating circuits |
| 01/07/1988 | DE3621778A1 Electromagnetic tachometer |
| 01/05/1988 | US4718013 Method and system for deriving wheel rotation speed data for automotive anti-skid control |
| 01/05/1988 | CA1231153A1 Method and apparatus for sensing relative movement between members |
| 12/29/1987 | US4716535 Speed detection apparatus |
| 12/29/1987 | US4715707 Laser doppler velocimeter with laser backscatter discriminator |
| 12/23/1987 | EP0250275A1 Bearing with sensor |
| 12/23/1987 | DE3620884A1 Device for detecting the rotational speed and sense of rotation of a rotating part |
| 12/22/1987 | US4715009 Device for determining angular position of a rotating part |
| 12/22/1987 | US4714340 Method and apparatus for inspecting high speed converted web |
| 12/22/1987 | CA1230646A1 Clamp mechanism for power line mounted monitoring device |
| 12/17/1987 | DE3619500A1 Electromagnetic sensor for detecting the number of revolutions, the rotational speed and physical variables, to be derived therefrom, of a shaft |
| 12/17/1987 | DE3619498A1 Speed measuring device |
| 12/15/1987 | US4713654 For warning of an undesired velocity condition |
| 12/15/1987 | US4713613 Device for magnetically detecting displacement of non-magnetic movable member |