Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542)
03/1984
03/06/1984US4435702 Capacitively coupled rotational speed detector
03/06/1984US4435659 Speed sensor for an electromagnetic machine
03/06/1984US4434665 For indicating the value of a physical quantity to be measured
02/1984
02/29/1984EP0101536A1 Relative movement detector
02/28/1984US4434470 Speed measurement system with means for calculating the exact time period of a known quantity of speed pulses
02/28/1984US4433915 Dual-polarization interferometer with a single-mode waveguide
02/28/1984US4433574 Liquid flow measuring device
02/22/1984EP0100819A2 Modular shaft encoder and method of assembling same
02/21/1984US4433300 FM Demodulator including automatic threshold control circuit
02/21/1984US4432647 Device for measuring rotation rates
02/21/1984US4432229 Wheel wear measurement system
02/21/1984CA1162428A1 Pressure-to-electric output system for an angular rate sensor or the like
02/14/1984US4431308 Laser angular speed detector employing non-optical output
02/14/1984US4430800 Detecting device for the number of rotation of a wheel at a bicycle
02/07/1984US4430647 Monitor for detecting malfunction of a rotation-angle transducer
02/07/1984US4430612 Electric type speed meter
02/07/1984CA1161933A1 Doppler-type projectile velocity measurement and communication apparatus, and method
02/02/1984WO1984000422A1 An improved magnetic rotational velocity sensor
01/1984
01/31/1984US4428224 Apparatus and method for testing of a rotary movement-electrical signal transducer system
01/18/1984EP0098551A2 Magnetic position sensor
01/17/1984US4426565 Apparatus for measuring the travel speed of automatic welding machines
01/17/1984US4425924 Blood velocity measurement in retinal capillaries utilizing the blue field entoptic phenomenon
01/10/1984US4425522 Rotational speed indication signal generator having a plurality of generating coils
12/1983
12/27/1983US4422589 Friction transmitting apparatus
12/27/1983CA1159562A1 Vibration diagnosing method and apparatus for a rotary machine
12/27/1983CA1159534A1 Digital indication type speedometer
12/20/1983US4422041 Magnet position sensing system
12/13/1983US4420814 Wheel speed measuring circuit
12/13/1983US4420699 Frequency to voltage converter for a digital tachometer
12/13/1983CA1158455A1 Electric type speed meter
12/08/1983WO1983004283A1 Sensor
11/1983
11/30/1983EP0095041A1 Arrangement for monitoring the load state and the speed of alternating voltage or three-phase motors, especially hysteresis motors
11/30/1983EP0095040A1 Speed measuring apparatus for flowable media
11/29/1983US4418372 Magnetic rotary encoder
11/29/1983US4418348 Rotation position detector using stationary and rotatable disk plates
11/29/1983US4418288 Rotation detector
11/23/1983EP0094492A2 Multi-mode drive motor speed control for use in particular with information storage disks
11/22/1983US4417208 Apparatus for contactless distance and/or speed measurement
11/22/1983CA1157546A1 Rotation detector
11/16/1983EP0094090A1 Display apparatus for vehicle
11/15/1983CA1157132A1 Negative climb after take-off warning system with configuration warning means
11/15/1983CA1157079A1 Signal condition detection circuit with self-adjusting threshold
11/08/1983US4414678 Electronic up-down conting system with directional discriminator
11/08/1983US4414548 Doppler speed sensing apparatus
11/08/1983CA1156773A1 Modified slowdown and braking of an elevator car
11/02/1983EP0092605A1 Rod sensor for measuring rotational speed
11/01/1983CA1156330A1 Speed control systems for governing the speed of a vehicle
10/1983
10/26/1983EP0092504A2 Fibre-optic measuring device with a sensor and measuring electronics to determine position
10/26/1983EP0092486A1 Display unit of speedometer for automobile
10/26/1983EP0092369A2 Light frequency change detecting method and apparatus
10/26/1983EP0092116A1 Clipper circuit and signal comparator employing same
10/25/1983US4412290 Electronic control device for changing the speed ratios in an automatic transmission of an automotive vehicle
10/25/1983US4411526 Measurement of rotation rate using sagnac effect
10/25/1983CA1155912A1 Digital velocity servo
10/19/1983EP0091550A2 Angular rate sensor
10/18/1983US4410952 Method and apparatus for generating nose wheel speed signals
10/18/1983US4410853 Frequency detector
10/18/1983US4410275 Fiber optic rotation sensor
10/12/1983EP0091393A2 System for testing a tire to avoid a torque steer effect
10/11/1983US4409667 Process and device for the derivation of an analog electric signal
10/11/1983US4409664 Digital wheel speed sensor
10/11/1983US4409585 System governing the position of a sensor
10/11/1983US4409548 Piezoelectric apparatus for generating electrically distinguishable bipolar signals
10/11/1983US4408882 Optical gyroscope with time dependent wavelength
10/05/1983EP0090717A1 Speed measurement system
10/05/1983EP0090576A2 A pulse encoder
10/05/1983EP0090501A2 System for measuring torque and/or speed of rotating shaft
10/05/1983EP0090152A1 Method to obtain a speed-proportional quantity by a D.C. motor
10/04/1983US4408290 Method and device for determining acceleration and/or deceleration of a moving object
10/04/1983US4407162 Chain motion measuring device
09/1983
09/29/1983WO1983003283A1 Sensor
09/28/1983EP0089442A1 Digital analyser of a mechanical motion transmission
09/27/1983US4406983 Rotational magnetic transducer
09/27/1983US4406946 Pulse signal generating device for tape recorder
09/27/1983US4406934 Apparatus for sensing the extent of turning of a rotatable part
09/27/1983US4406172 Overspeed trip mechanism and method of assembling
09/27/1983US4406168 System for measuring torque and/or speed of rotating shaft
09/27/1983US4406166 Analog fluidic speed sensor
09/27/1983US4406165 Method and apparatus for measuring the speed of vehicles
09/20/1983US4405896 Transformer coupled position detecting apparatus with phase change detector
09/20/1983US4404942 Method of controlling the rotational speed of a rotary shaft
09/20/1983CA1154130A1 Method and device for the measurement of linear speeds without contact and without marking
09/20/1983CA1154126A1 Motor speed control
09/20/1983CA1154094A1 Digital read-out meter circuit with variable meter update rate
09/14/1983EP0088626A2 Apparatus for controlling the speed of a rotating body
09/14/1983EP0088624A1 Optical rotation detecting apparatus
09/13/1983US4404648 Method for controlling an instrument panel display
09/06/1983US4403187 Magnetic head for sensing the position of a moving member
09/06/1983CA1153446A1 Mechanical assemblies employing a sensing device for sensing motion or position
08/1983
08/31/1983EP0087025A2 Method and device for the high-precision measuring of the phase position and phase shift of two pulse trains
08/24/1983EP0086433A2 Circuit for determining the tension in a V-belt
08/24/1983EP0086409A1 Method and device for the high-precision measuring of the phase position and phase shift of two pulse trains
08/24/1983EP0086323A2 Motion detector
08/23/1983US4400443 Laminated encoder disc
08/23/1983US4400088 Ring interferometer with an arrangement for reducing the influence of undesired light
08/23/1983CA1152606A1 Cylindrical capactive tachogenerator
08/18/1983WO1983002828A1 Frequency signal conversion apparatus and method
08/17/1983EP0086083A2 Improvements relating to navigation systems
08/16/1983CA1152214A1 Gear ratio indicator
08/16/1983CA1152195A1 Anti-kickback power tool control