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Class Information
Number: 324/160
Name: Electricity: measuring and testing > Electrical speed measuring
Description: Subject matter wherein are provided processes or means to produce an electrical signal representative of the time rate of change of position (speed) of a physical element and to indicate, in response to said signal, said time rate.










Sub-classes under this class:

Class Number Class Name Patents
324/178 Including "event" sensing means 70
324/177 Including motor current or voltage sensor 66
324/176 Including object displacement varied variable circuit impedance 25
324/163 Including speed analog electrical signal generator 93
324/166 Including speed-related frequency generator 469
324/161 Speed comparing means 145
324/162 With acceleration measuring means 67


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8674683 Power angle monitor Mar. 18, 2014
8659250 Management apparatus of a rotating motor and an annexed load during power loss Feb. 25, 2014
8604776 Power transmission monitoring and maintenance systems and methods Dec. 10, 2013
8593132 Parameter calculating apparatus and simulation apparatus Nov. 26, 2013
8531322 Time-to-digital converter Sep. 10, 2013
8531182 Control system and method for providing position measurement with redundancy for safety checking Sep. 10, 2013
8525510 Railway positioning system Sep. 3, 2013
8461826 Device for the detection quadrature signals Jun. 11, 2013
8339122 Speed sensor for a rotating member Dec. 25, 2012
8339078 Apparatus and method for providing information relating to a motor Dec. 25, 2012
8330450 Magnetic position sensor Dec. 11, 2012
8324887 Device for determining the rotational speed of a transmission shaft Dec. 4, 2012
8305071 Apparatus and method for measurement of the muzzle velocity of a projectile or the like Nov. 6, 2012
8289013 Speed detector and servomotor Oct. 16, 2012
8248061 Power angle monitor Aug. 21, 2012
8248060 Power angle monitor Aug. 21, 2012
8169214 Angular position sensor May. 1, 2012
8164285 External disturbance detection system and method for two-phase motor control systems Apr. 24, 2012
8164324 Rotation sensor Apr. 24, 2012
8159173 Control device for controlling travel motor of vehicle Apr. 17, 2012
8120352 Device for self-adjusting and method for arranging an impulse transmitter in relation to a rotor Feb. 21, 2012
8093885 Residual magnetic flux determining apparatus Jan. 10, 2012
8032272 Method and device for determining the rotary state of a vehicle wheel fitted with an active motion sensor suitable for delivering an oscillatory output signal during a rotation of said wheel Oct. 4, 2011
8018189 Motor drive apparatus Sep. 13, 2011
7963700 Sealing device for antifriction bearing comprising identifying means Jun. 21, 2011
7938370 Method for measuring the speed of a rail vehicle and installation therefor May. 10, 2011
7911201 Active sensor element and method of determining the temperature of an active sensor element Mar. 22, 2011
7911204 Reel shaft of barcode printer Mar. 22, 2011
7835630 Adaptive and reconfigurable system for DC motor control Nov. 16, 2010
7825850 Method for measuring the muzzle velocity of a projectile or the like Nov. 2, 2010
7797127 Method for determining two pseudo-sinusoidal signals in quadrature Sep. 14, 2010
7741838 Rotation detecting device and anti-skid braking system using the same Jun. 22, 2010
7729871 Airflow detecting apparatus Jun. 1, 2010
7714738 Method and arrangement for determining rotational movement May. 11, 2010
7714571 Method and device for estimating variations of the position of the rotor of an electric motor May. 11, 2010
7708460 Method and apparatus for measuring temperature on a silicon device May. 4, 2010
7679298 Locomotive wheel speed control Mar. 16, 2010
7646195 Apparatus and method for sensing rotation of a wheel Jan. 12, 2010
7626382 Rotation speed detecting apparatus and automatic transmission controller having the apparatus Dec. 1, 2009
7617431 Method and apparatus for analyzing delay defect Nov. 10, 2009
7578185 Resolver-based wheel speed sensor and method of using same Aug. 25, 2009
7560918 Electronic circuit configuration for optionally connecting rotary speed sensors, especially in commercial vehicles Jul. 14, 2009
7534045 Bearing with IC tag and seal for the same May. 19, 2009
7502280 Position indicator, measuring apparatus and method of manufacturing a position indicator Mar. 10, 2009
7460974 Multiple-point smoothing method for motor-speed estimation Dec. 2, 2008
7421212 Detecting and locating pulses using a Bragg cell Sep. 2, 2008
7405554 Vehicle wheel speed and acceleration sensor and method for calculating the same Jul. 29, 2008
7392713 Monitoring system for turbomachinery Jul. 1, 2008
7382118 Device for detecting the wheel speed Jun. 3, 2008
7378721 Chip on lead frame for small package speed sensor May. 27, 2008

1 2 3 4 5 6










 
 
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