ClassID:

170975

G01P3/481 - CPC Classification

Classification description:

Measuring linear or angular speed; Measuring differences of linear or angular speeds; Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals

Sub-classes:
Recent Application in this class:
#1
20260149400
2026-05-28

MOTOR CONTROL SYSTEM AND MOTOR CONTROL METHOD

#2
20260036204
2026-02-05

ABS TONE WHEEL INTEGRATED UNITIZED LIP SEAL

#3
20250389750
2025-12-25

VEHICLE SPEED ESTIMATION DEVICE, POSITION CALCULATION DEVICE, AND STORAGE MEDIUM STORING PROGRAM

#4
20250340190
2025-11-06

System and Method for Decoding Wheel Speed Sensor Data to Optimize Vehicle Braking Control

#5
20250327830
2025-10-23

MOLDED COMPONENT

#6
20250293702
2025-09-18

SPEED SIGNAL CONVERTER WITH REVERSE POLARITY DETECTION AND CORRECTION

#7
20250242611
2025-07-31

PRINTER

#8
20250211157
2025-06-26

OPENING/CLOSING BODY CONTROL DEVICE

#9
20250207951
2025-06-26

ROTATION DETECTION METHOD AND APPARATUS, AND MEDICAL DEVICE

#10
20250164519
2025-05-22

SYSTEMS AND METHODS FOR IONIZER MONITORING

#11
20250130250
2025-04-24

ENCODER SPEED MONITORING DEVICE

#12
20250110149
2025-04-03

CONTROL CIRCUIT FOR AN ACTIVE ROTATIONAL SPEED SENSOR

#13
20250110146
2025-04-03

SENSOR MEMBER AND METHOD FOR MANUFACTURING SENSOR MEMBER

#14
20240418740
2024-12-19

Rotation speed detector

#15
20240377427
2024-11-14

Rotating direction and rotating speed sensing device

#16
20240352687
2024-10-24

METHOD AND DEVICE FOR DETERMINING AND CHARACTERIZING ROAD UNEVENNESS

#17
20240182010
2024-06-06

Retrofit Anti-lock Braking Tone Ring and Sensing System

#18
20240149702
2024-05-09

OVERSPEED DETECTION DEVICE

#19
20240118303
2024-04-11

Identifying method and identifying system for centrifuge rotor

#20
20230339331
2023-10-26

FAILURE DETERMINATION DEVICE, DRIVE CONTROL DEVICE, AND FAILURE DETERMINATION METHOD

#21
20230072836
2023-03-09

High-resolution PWM wheel speed sensor protocol

#22
20230048463
2023-02-16

Rotary encoder

#23
20230041154
2023-02-09

SYSTEMS AND DEVICES FOR WHEEL SENSORS

#24
20220413004
2022-12-29

Offset-reduced zero-gauss-magnet with polepiece for differential, twist-insensitive magnetic speed sensors

#25
20220412774
2022-12-29

Position sensor system using equidistantly spaced magnetic sensor arrays

#26
20220404225
2022-12-22

Apparatus and Method for Identifying Positions of Tire Pressure Sensors, and System Including the Apparatus

#27
20220369540
2022-11-24

SENSOR FOR AGRICULTURAL PLANTER CLOSING WHEEL

#28
20220357223
2022-11-10

Torque and angle sensing device

#29
20220333627
2022-10-20

ROTARY MECHANISM WITH ADJUSTABLE TONE WHEEL

#30
20220252483
2022-08-11

SENSOR AND MANUFACTURING METHOD

#31
20220252429
2022-08-11

Detection device, rotary machine, and detection method

#32
20220221483
2022-07-14

Rotational speed sensor, fixing device for a rotational speed sensor, receiving device for a rotational speed sensor, sensor system having a receiving device and a rotational speed sensor and method for the rotationally locked positioning of a rotational speed sensor

#33
20220196226
2022-06-23

Luminaire apparatus having air cleaner attached thereto, which is connected by wires and cables so as to be vertically movable

#34
20220163554
2022-05-26

Sensor temperature sensing

#35
20220128588
2022-04-28

Inductive rotational speed sensor and method for producing same

#36
20220099802
2022-03-31

Sensor apparatus with cleaning

#37
20220099508
2022-03-31

Freehub torque and speed sensing device

#38
20220043018
2022-02-10

Wheel speed sensor having multiple sensing units and wheel bearing comprising same

#39
20220034643
2022-02-03

ROTATIONAL SPEED AND/OR ROTATIONAL ANGLE DETECTION UNIT AND WORKING DEVICE

#40
20220009549
2022-01-13

Apparatus and method for controlling motor driven power steering

#41
20210364544
2021-11-25

Method and device for determining a speed by means of an inductive speed sensor

#42
20210331761
2021-10-28

Component for human-powered vehicle

#43
20210325419
2021-10-21

Hybrid feedback device

#44
20210302200
2021-09-30

Digital phase tracking filter for position sensing

#45
20210190812
2021-06-24

Method for determining the direction of travel of a vehicle

#46
20210122197
2021-04-29

Wheel position detection apparatus and tire pneumatic pressure monitoring system including same

#47
20210072272
2021-03-11

Method and system for monitoring a fan

#48
20210055323
2021-02-25

Sensor assembly for a vehicle

#49
20200384968
2020-12-10

Pole wheel on a vehicle wheel

#50
20200378802
2020-12-03

Sensor system for determining at least one rotation characteristic of an element rotating around at least one rotation axis

#51
20200369303
2020-11-26

SYSTEM AND METHOD FOR DETERMINING AN ANGULAR SPEED OF AN AXLE OF A RAILWAY VEHICLE

#52
20200363443
2020-11-19

Method and device for determining a speed by means of an inductive speed sensor

#53
20200360999
2020-11-19

METHOD FOR MANUFACTURING A MAGNETIZED ROTATING COMPONENT, ROTATING COMPONENT AND SYSTEM FOR MEASURING ROTATION OF A ROTATING COMPONENT

#54
20200341025
2020-10-29

Magnetic speed sensor with a distributed wheatstone bridge

#55
20200333407
2020-10-22

MAGNETIC FIELD SENSOR, SYSTEM, AND METHOD FOR SPEED MEASUREMENT

#56
20200232385
2020-07-23

System and method for controlling opposed piston engine operation for rotation direction

#57
20200139770
2020-05-07

Apparatus and method for estimating tire resonance frequency

#58
20190321891
2019-10-24

PROCESS FOR MANUFACTURING HIGH DENSITY ARTICLES FROM STAINLESS STEEL POWDER

#59
20190277874
2019-09-12

Magnetic speed sensor with a distributed wheatstone bridge

#60
20190154426
2019-05-23

System and method for measuring motor bearings consumption of railway vehicles

#61
20190135273
2019-05-09

Vehicle electronic stability control system including improved wheel speed detection

#62
20190135272
2019-05-09

Vehicle electronic stability control system including back-up wheel speed detection

#63
20190128917
2019-05-02

Wheel speed estimation device

#64
20190113342
2019-04-18

Angular speed derivation device and angular speed derivation method for deriving angular speed based on output value of triaxial gyro sensor

#65
20190101565
2019-04-04

Wheel-speed tone ring apparatus

#66
20190041418
2019-02-07

Wheel speed sensor

#67
20180374285
2018-12-27

System and method for locating wheels of vehicle

#68
20180338192
2018-11-22

Generating and/or encoding rotational data for a mechanical element over a digital network

#69
20180306053
2018-10-25

Systems and methods for electronic measurement of propeller blade angle

#70
20180297619
2018-10-18

Vehicle monitoring system

#71
20180209820
2018-07-26

Sensor controller, sensor signal receiver, incremental magnetic speed sensor module, method for a sensor controller, method for a sensor signal receiver and computer program

#72
20180188282
2018-07-05

Method and device for measuring speed of permanent magnet synchronous motor

#73
20180120341
2018-05-03

Centrifugal separator having a system for detecting rotation

#74
20180095010
2018-04-05

Synchronization of machine vibration data after collection

#75
20180080404
2018-03-22

Methods and system for diagnosing an engine component based on an engine speed profile during an engine shutdown event

#76
20180080395
2018-03-22

Method and device for detecting reverse rotation of an internal combustion engine

#77
20180076753
2018-03-15

Systems and methods for motor slip calculation using shaft-mounted sensors

#78
20180010479
2018-01-11

Turbine arrangement

#79
20170299467
2017-10-19

DEVICE FOR DETECTING SPEED OF A ROTATABLE ELEMENT, METHOD AND VEHICLE

#80
20170261530
2017-09-14

Speed detection using multiple processing paths

#81
20170168080
2017-06-15

Wheel speed sensor with a waterproof structure for output wires

#82
20170167950
2017-06-15

Estimation apparatus, estimation method and engine system

#83
20170160302
2017-06-08

Automatic threshold detection for tachometer signals

#84
20170052062
2017-02-23

Method, apparatus and monitoring system for acquisition of rotating speed and vibration data of machines

#85
20170047877
2017-02-16

Motor control method and system

#86
20170045547
2017-02-16

Generating timing signals

#87
20170038409
2017-02-09

Modular portable speedometer calibration stand

#88
20170016929
2017-01-19

Apparatus and method for measuring motor speed

#89
20160375953
2016-12-29

Bicycle pedal with cadence sensor

#90
20160334435
2016-11-17

Tachometer systems and methods of determining the rotation speed of a wheel of a landing gear of an aircraft

#91
20160319656
2016-11-03

Downhole turbine tachometer

#92
20160231346
2016-08-11

Rotation sensor

#93
20160214583
2016-07-28

Error transmission in two-level rotational speed sensor

#94
20160178396
2016-06-23

Torsional moment and angle sensor and actuator drive

#95
20160169928
2016-06-16

Rotational speed measuring device for a transmission and method for measuring rotational speed

#96
20160154047
2016-06-02

Sensor circuit, vehicle and method therefor

#97
20160054348
2016-02-25

Vehicle wheel speed sensor protection structure

#98
20160048116
2016-02-18

Motor drive device

#99
20160047450
2016-02-18

Differential assembly and speed sensor mounting arrangement therefor

#100
20160011011
2016-01-14

Rotation detector

#101
20150377740
2015-12-31

Auto tire localization systems and methods utilizing a TPMS angular position index

#102
20150331005
2015-11-19

Sensor device for speed measurement on a wheel of a vehicle

#103
20150263659
2015-09-17

Apparatus for detecting speed of motor

#104
20150233959
2015-08-20

Speed sensor

#105
20150219474
2015-08-06

Digital period divider

#106
20150198624
2015-07-16

Rotation speed detection device

#107
20150192435
2015-07-09

Cart movement detection system for a dynamics track

#108
20150177022
2015-06-25

Method for determining a rotational angle position and/or a rotational speed

#109
20150137800
2015-05-21

Sensing method and system for correcting an input waveform from a coded wheel

#110
20150096371
2015-04-09

Speed sensor identification

#111
20150068305
2015-03-12

Saw-based tachometer or RPM detector

#112
20150025836
2015-01-22

Rough road determination device

#113
20140372071
2014-12-18

Automatic threshold detection for tachometer signals

#114
20140288879
2014-09-25

Method and apparatus to detect direction and velocity of movement of equipment by using single sensor

#115
20140268442
2014-09-18

Circuit arrangement and method for evaluating a signal

#116
20140266156
2014-09-18

Aircraft wheel speed sensor

#117
20140253105
2014-09-11

METHOD FOR DETERMINING A ROTARY SPEED OF A DEVICE

#118
20140214352
2014-07-31

Methods and systems for conditioning signals from a speed sensor

#119
20140167741
2014-06-19

Wheel-speed sensor mounting device

#120
20140150551
2014-06-05

Device for measuring the angular velocity or velocity of a moving part and for detecting the direction of motion of the moving part

#121
20140116132
2014-05-01

Device for measuring angle and angular velocity or distance and speed

#122
20140062370
2014-03-06

Apparatus and method for controlling speed of motor

#123
20140060183
2014-03-06

Device and method for determining a contact angle of a rolling element

#124
20140053642
2014-02-27

Method and device for measuring the rotational speed of a turbocompressor, and motor vehicle

#125
20140002060
2014-01-02

Bicycle rotation detecting device

#126
20130334993
2013-12-19

Methods, systems and apparatus for estimating angular position and/or angular velocity of a rotor of an electric machine

#127
20130300262
2013-11-14

Speed sensor system and mounting configuration for locomotive traction motors

#128
20130275079
2013-10-17

Tachometer for Low-Speed AC Generator

#129
20130113457
2013-05-09

METHOD OF SENSING GENERATOR SPEED

#130
20130063162
2013-03-14

Method for evaluating an analog signal by evaluating digital data corresponding to the analog signal to determine zero crossings of the analog signal

#131
20130046486
2013-02-21

SPEED RATE ERROR REDUCTION IN A PULSE DISPLACEMENT CONVERTER SYSTEM

#132
20130014582
2013-01-17

Speed detection system of vehicle

#133
20120323523
2012-12-20

Speed detection device

#134
20120310589
2012-12-06

Rotation speed detecting device and detecting method thereof

#135
20120299583
2012-11-29

Speed sensor authority for and method of measuring speed of rotation

#136
20120285243
2012-11-15

ROTATION MEASURING DEVICE

#137
20120256577
2012-10-11

Motor control apparatus and method

#138
20120123612
2012-05-17

Apparatus and method of calculating a wheel speed by using a tire force sensor and chassis control system using the same

#139
20120051492
2012-03-01

Slew rate compensated wheel speed sensor signal processing method and system

#140
20110291648
2011-12-01

Device and method for determining the speed of a wheeled terrestrial vehicle from measurements of an ambient terestrial magnetic field

#141
20110260724
2011-10-27

Magnetic detection apparatus

#142
20110260712
2011-10-27

Cycle meter adjustment device

#143
20110187355
2011-08-04

Method of processing encoder signals

#144
20110144940
2011-06-16

Sensor and method for the detection of local displacements and rotations

#145
20110127938
2011-06-02

Drive motor control apparatus for vehicle, motor control system, method for correcting rotation angle of motor, program for performing the same, rotation detecting apparatus

#146
20110089935
2011-04-21

MAGNETIC ENCODER WITH OFFSET ADJUSTMENT FUNCTION

#147
20110057822
2011-03-10

Pulse generating device, rotator module, rotational speed control device, and image forming apparatus

#148
20100308799
2010-12-09

Systems and methods for measuring rotational speed and position of a rotating device

#149
20100256847
2010-10-07

Vehicle body speed calculation device

#150
20100225308
2010-09-09

Signal processing circuit of rotation detector and rotation angle detector

#151
20100223025
2010-09-02

Method and device for balancing production-related inaccuracies of the magnetic wheel of an electromotive drive of a vehicle

#152
20100185361
2010-07-22

Method for detecting the direction of travel of a motor vehicle

#153
20100181956
2010-07-22

Rotational position detecting method for AC servomotor and simple encoder

#154
20100180664
2010-07-22

Rotary transducer with monitoring of the bearing wear and method therefor

#155
20100038527
2010-02-18

Rotary Push On Encoder

#156
20090326860
2009-12-31

Rotation sensing method and system

#157
20090324205
2009-12-31

PULSE COUNT CONTROL FOR BRUSHED DC MOTOR DRIVEN BY PULSE WIDTH MODULATION

#158
20090256556
2009-10-15

Measuring arrangement for detecting a 1/rotary momentum of an engine rotor, and associated method

#159
20090206829
2009-08-20

SIGNAL PROCESSING DEVICE FOR SENSING DEVICE

#160
20090206782
2009-08-20

Control device and control method

#161
20090190283
2009-07-30

Predictive phase locked loop system

#162
20090188336
2009-07-30

TRANSMISSION COMPRISING A DEVICE FOR DETECTING ROTATIONAL SPEED

#163
20090177434
2009-07-09

Method and apparatus for monitoring the rotational speed of the shaft of a gas turbine

#164
20090177363
2009-07-09

Method and apparatus for monitoring gas turbine blades

#165
20090150116
2009-06-11

METHOD FOR AUTOMATICALLY SETTING INITIALLY-ESTIMATED ROTATIONAL FREQUENCY IN MOTOR FREQUENCY MEASURING SYSTEM

#166
20090115408
2009-05-07

Method and apparatus to monitor position of a rotatable shaft

#167
20090001972
2009-01-01

Calibration circuits and methods for a proximity detector using a first rotation detector for a determined time period and a second rotation detector after the determined time period

#168
20080303468
2008-12-11

Correction method for microprocessor-controlled digital regulation

#169
20080255796
2008-10-16

Method and device for measuring rotation speed of rotating equipment

#170
20080177485
2008-07-24

System and method for providing vibration detection in turbomachinery

#171
20080159467
2008-07-03

Method for determining the rotation speed of rotating shaft

#172
20080149077
2008-06-26

Method for operating an internal combustion engine

#173
20080148833
2008-06-26

Sensing rotation of an engine component relative to an engine body using a starter ring

#174
20080143327
2008-06-19

Methods and apparatus for magnetic article detection

#175
20080143326
2008-06-19

Methods and apparatus for magnetic article detection

#176
20080143322
2008-06-19

Circuit arrangement method for obtaining an output signal, and rotational speed measurement device comprising such a circuit arrangement

#177
20080110283
2008-05-15

Method and system for accuracy of speed and acceleration measurements on rotating machinery with a speed wheel

#178
20070299992
2007-12-27

Signal processing device

#179
20070257446
2007-11-08

Sealing device with encoder

#180
20070205759
2007-09-06

Bearing with integrated rotation sensor

#181
20070170912
2007-07-26

Rotation sensor, and method for outputting signals from rotation sensor

#182
20070164732
2007-07-19

Methods and apparatus for magnetic article detection

#183
20070103145
2007-05-10

Electronic circuit configuration for optionally connecting rotary speed sensors, especially in commercial vehicles

#184
20070068015
2007-03-29

Angle measurement device

#185
20070001664
2007-01-04

Movement sensor and method for producing a movement sensor

#186
20070001663
2007-01-04

Process and device for contactless measurement of rotational speed

#187
20060181269
2006-08-17

Wheel speed sensor assembly

#188
20060170281
2006-08-03

Anti-lock brake system and sensor unit for the same

#189
20060119348
2006-06-08

Technique for sensing the rotational speed and angular position of a rotating wheel

#190
20060113988
2006-06-01

Quadrature sensor systems and methods

#191
20060021450
2006-02-02

Encoder failure detection

#192
20050288907
2005-12-29

Signal processing method and apparatus

#193
20050261868
2005-11-24

Device for detecting the speed and the position of a rotating shaft

#194
20050231191
2005-10-20

TACHOMETER PULSE DETECTION METHOD AND CIRCUIT

#195
20050189418
2005-09-01

Method and apparatus for position detection

#196
20050179429
2005-08-18

Method and device for the detection of local displacements and rotations

#197
20050179317
2005-08-18

Device for detecting the wheel speed

#198
20050134324
2005-06-23

Variable threshold comparator interface circuit

#199
20050122098
2005-06-09

Method and assembly for determining rational speed with variable switching hysteresis

#200
20050066749
2005-03-31

Rotation detecting device

#201
20050035758
2005-02-17

Vehicle direction detection using tone ring

#202
18202754
2024-09-03

Phonic wheel for turbine engine bearing compartment

#203
18162923
2024-04-09

Shaft rotation speed and direction sensing

#204
17686882
2024-12-03

Track geometry inspection

#205
14225616
2017-05-09

Estimation of roll and roll rate of a spinning body based on a signal received from a remote transmitter

#206
13646406
2015-02-24

Position and direction determination using multiple single-channel encoders