ClassID:

170963

G01P3/38 - CPC Classification

Classification description:

Measuring linear or angular speed; Measuring differences of linear or angular speeds; Devices characterised by the use of optical means, e.g. using infra-red, visible, or ultra-violet light using photographic means

Recent Application in this class:
#1
20260136085
2026-05-14

MEASUREMENT DEVICE AND MEASUREMENT METHOD

#2
20260126465
2026-05-07

VEHICLE WHEEL SPEED MEASURING DEVICE AND METHOD, AND ROLL AND BRAKE INSPECTION SYSTEM USING THE SAME

#3
20260120296
2026-04-30

ELECTRONIC ASSESSMENT OF PLAYING SURFACE PROPERTIES

#4
20260090531
2026-04-02

FISHING REEL ELECTROMAGNETIC BRAKING DEVICE, FISHING LINE AND SPEED MEASUREMENT MECHANISM

#5
20260071871
2026-03-12

AERIAL VIDEO BASED POINT, DISTANCE, AND VELOCITY REAL-TIME MEASUREMENT SYSTEM

#6
20260009341
2026-01-08

OPTICAL IN-SITU INSPECTION SYSTEM

#7
20250389746
2025-12-25

Method and System for Measuring the Speed of Vehicles in Road Traffic

#8
20250148609
2025-05-08

NOVEL ZERO-CONTACT EDGE DETECTION METHOD FOR ESTIMATION OF REAL-TIME ANGULAR POSITIONS AND ANGULAR VELOCITIES OF A ROTATING STRUCTURE WITH APPLICATION TO ROTATING STRUCTURE VIBRATION MEASUREMENT

#9
20250097386
2025-03-20

MONITORING SYSTEM, MONITORING METHOD, AND MONITORING PROGRAM

#10
20250067194
2025-02-27

OPTICAL IN-SITU INSPECTION SYSTEM

#11
20240109490
2024-04-04

IMAGING SYSTEM AND METHOD

#12
20240098223
2024-03-21

Monitoring system, monitoring method, and monitoring program

#13
20240069055
2024-02-29

ROTATION STATE ESTIMATION APPARATUS, METHOD THEREOF, AND PROGRAM

#14
20240068808
2024-02-29

AERIAL VIDEO BASED POINT, DISTANCE, AND VELOCITY REAL-TIME MEASUREMENT SYSTEM

#15
20240062393
2024-02-22

Measuring vehicle speeds with an uncalibrated camera

#16
20230289981
2023-09-14

ELECTRONIC ASSESSMENT OF PLAYING SURFACE PROPERTIES

#17
20230191522
2023-06-22

HELMET-INTEGRATED WELD TRAVEL SPEED SENSING SYSTEM AND METHOD

#18
20230122195
2023-04-20

Image(s) to length conversion systems and methods

#19
20230067478
2023-03-02

Optical sorter

#20
20230023743
2023-01-26

DEVICE, MOVEMENT SPEED ESTIMATION SYSTEM, FEEDING CONTROL SYSTEM, MOVEMENT SPEED ESTIMATION METHOD, AND RECORDING MEDIUM IN WHICH MOVEMENT SPEED ESTIMATION PROGRAM IS STORED

#21
20220355324
2022-11-10

Method and apparatus for monitoring a flow field of a particle jet

#22
20220343482
2022-10-27

Displacement meter, storage medium, manufacturing system, and method for manufacturing articles

#23
20220338405
2022-10-27

System and method for detecting material accumulation relative to rotating ground-penetrating tools of an agricultural implement

#24
20220326273
2022-10-13

Method and system for scanning of a transparent plate during earth observation imaging

#25
20220318974
2022-10-06

Estimating the moving state of rotating machines systems and methods

#26
20220252633
2022-08-11

PROCESSING SYSTEM, MARKING METHOD, MARKER DETECTED IN SAID METHOD, AND MARKING PROGRAM

#27
20220222906
2022-07-14

Motion compensation for a SPAD array camera

#28
20220118910
2022-04-21

Imaging system and method

#29
20220101538
2022-03-31

Measuring vehicle speeds with an uncalibrated camera

#30
20220082474
2022-03-17

Predicting tire imbalance and/or wheel misalignment

#31
20210385386
2021-12-09

Aerial video based point, distance, and velocity real-time measurement system

#32
20210357650
2021-11-18

Bowling lane error detection

#33
20210323324
2021-10-21

Applying marks to a surface of a medium

#34
20210260950
2021-08-26

Suspension component damage detection with marker

#35
20210225021
2021-07-22

Fixed-element digital-optical measuring device

#36
20210207979
2021-07-08

Motion encoder

#37
20210156881
2021-05-27

DYNAMIC MACHINE VISION SENSOR (DMVS) THAT PERFORMS INTEGRATED 3D TRACKING

#38
20210120171
2021-04-22

DETERMINATION DEVICE, MOVABLE BODY, DETERMINATION METHOD, AND PROGRAM

#39
20210108947
2021-04-15

Rotation parameter detection method, encoder, laser radar and unmanned aerial vehicle

#40
20210041474
2021-02-11

Method and system for determining rotational speed by means of video camera

#41
20210016382
2021-01-21

Optical-based weld travel speed sensing system

#42
20200361014
2020-11-19

Helmet-integrated weld travel speed sensing system and method

#43
20200336704
2020-10-22

Monitoring system, monitoring method, and monitoring program

#44
20200265588
2020-08-20

Road surface area detection device

#45
20200233005
2020-07-23

Movement distance calculation device

#46
20200158850
2020-05-21

APPARATUS AND METHOD FOR LEARNING SCALE FACTOR OF VEHICLE SPEED SENSOR

#47
20200149930
2020-05-14

Rotation parameter detection method, encoder, laser radar and unmanned aerial vehicle

#48
20200118280
2020-04-16

Image Processing Device

#49
20200084415
2020-03-12

Monitoring system, monitoring method, and monitoring program

#50
20200073107
2020-03-05

Method and system for scanning of a transparent plate during earth observation imaging

#51
20200023238
2020-01-23

Digital-optical object tracker

#52
20200011892
2020-01-09

Method and device for measuring flight parameters of an unmanned aerial vehicle

#53
20190317121
2019-10-17

Method for tracking movement of a mobile robotic device

#54
20190215489
2019-07-11

Monitoring system, monitoring method, and monitoring program

#55
20190215488
2019-07-11

Monitoring system, monitoring method, and monitoring program

#56
20190180118
2019-06-13

LOCOMOTIVE IMAGING SYSTEM AND METHOD

#57
20190089947
2019-03-21

Autofocus system for a conventional camera that uses depth information from an array camera

#58
20190063898
2019-02-28

Optical transforming and modulated interference pattern of a moving object

#59
20190051016
2019-02-14

Method of image processing and image processing device

#60
20190042861
2019-02-07

Method and system to determine vehicle speed

#61
20190041420
2019-02-07

Apparatus and method for measuring rotational speed of rotary shaft based on variable density sinusoidal fringe

#62
20190033336
2019-01-31

Electronic device and method for estimating a displacement of a scene observed by a drone, electronic apparatus for calculating a ground speed of the drone, related drone and computer program

#63
20180361195
2018-12-20

Detachable speed determining device capable of computing accurate speed information of a bicycle and fixing a bike component of the bicycle

#64
20180356329
2018-12-13

Synchronous high-speed photographing method and device for microparticle rotation in liquid cyclone field

#65
20180350094
2018-12-06

TARGET RECOGNITION SYSTEM, TARGET RECOGNITION METHOD, AND STORAGE MEDIUM

#66
20180348249
2018-12-06

Flight parameter measuring apparatus and flight parameter measuring method

#67
20180330520
2018-11-15

Method and system for calibrating a velocimetry system

#68
20180306832
2018-10-25

Speed detection device of handrail of passenger conveyor and a speed detection method thereof

#69
20180225961
2018-08-09

Speed limit violation control system and speed limit violation control method

#70
20180220085
2018-08-02

Motion encoder

#71
20180207805
2018-07-26

Robot

#72
20180203466
2018-07-19

Method for automatically assisting with the landing of an aircraft

#73
20180184003
2018-06-28

MOTION MEASURING SYSTEM, MOTION MEASURING APPARATUS, AND MOTION MEASURING METHOD

#74
20180174308
2018-06-21

Device for measuring rotation of spherical body, measurement method, and program

#75
20180136306
2018-05-17

Device and method for measuring flight data of flying objects using high speed video camera and computer readable recording medium having program for performing the same

#76
20180128620
2018-05-10

Method, apparatus, and system for determining a movement of a mobile platform

#77
20180124360
2018-05-03

Monitoring system, monitoring method, and monitoring program

#78
20180089841
2018-03-29

Mixed motion capture system and method

#79
20180048879
2018-02-15

Systems and methods for estimating depth using stereo array cameras

#80
20180029839
2018-02-01

Speed detection system of passenger conveyor and speed detection method thereof

#81
20180016036
2018-01-18

METHOD AND SYSTEM FOR MEASURING THE ANGULAR VELOCITY OF A BODY ORBITING IN SPACE

#82
20170349400
2017-12-07

Position-determination system for an elevator

#83
20170301098
2017-10-19

Passive underwater odometry using a video camera

#84
20170299620
2017-10-19

Online measuring method of particle velocity in multiphase system

#85
20170095873
2017-04-06

Optical-based weld travel speed sensing system

#86
20170080509
2017-03-23

Helmet-integrated weld travel speed sensing system and method

#87
20170038405
2017-02-09

Method and device for measuring flight parameters of an unmanned aerial vehicle

#88
20160344981
2016-11-24

Aerial video based point, distance, and velocity real-time measurement system

#89
20160328859
2016-11-10

METHOD FOR DETECTING MOVEMENT SPEED UNIFORMITY OF SCANNED TARGET IN LINE SCANNING IMAGING PROCESS

#90
20160189393
2016-06-30

Method and system to determine vehicle speed

#91
20160161268
2016-06-09

Method and apparatus for providing a map display based on velocity information

#92
20160140705
2016-05-19

Rotary encoder system

#93
20160110880
2016-04-21

IMAGE PROCESSING FOR LAUNCH PARAMETERS MEASUREMENT OF OBJECTS IN FLIGHT

#94
20160069708
2016-03-10

Linear position and rotary position magnetic sensors, systems, and methods

#95
20160061855
2016-03-03

METHOD FOR THE COMBINED DETERMINATION OF A SPEED AND AN IMAGE TAKEN FROM A VEHICLE, AND APPARATUS SUITABLE THEREFOR

#96
20160044220
2016-02-11

Method for receiving sound of subject and electronic device implementing the same

#97
20150285833
2015-10-08

Motion sensor assembly for determining the angular velocity of a moving contrast in its field of view with a high accuracy

#98
20150264337
2015-09-17

Autofocus system for a conventional camera that uses depth information from an array camera

#99
20150262011
2015-09-17

Image processing for launch parameters measurement of objects in flight

#100
20150245013
2015-08-27

Systems and methods for estimating depth using stereo array cameras

#101
20150192435
2015-07-09

Cart movement detection system for a dynamics track

#102
20150161798
2015-06-11

Array cameras including an array camera module augmented with a separate camera

#103
20150129745
2015-05-14

High speed image processing device

#104
20150092185
2015-04-02

Method for estimating the rotational speed of a tool mounted on a rotating spindle of a machine tool and such a machine tool

#105
20140354795
2014-12-04

Low cost optical high speed discrete measurement system

#106
20140267633
2014-09-18

Systems and methods for stereo imaging with camera arrays

#107
20140253722
2014-09-11

Apparatus and method for estimating and using a predicted vehicle speed in an indirect vision driving task

#108
20140071284
2014-03-13

Laser-based speed determination device for use in a moving vehicle

#109
20140028838
2014-01-30

Measuring launch and motion parameters

#110
20130334370
2013-12-19

System and method for the calculation of the approach speed during air to air refuelling operations

#111
20130294643
2013-11-07

Tire detection for accurate vehicle speed estimation

#112
20130262022
2013-10-03

INCLINATION CALCULATION APPARATUS AND INCLINATION CALCULATION PROGRAM, AND GAME APPARATUS AND GAME PROGRAM

#113
20130208569
2013-08-15

Sound-based weld travel speed sensing system and method

#114
20130206741
2013-08-15

Helmet-integrated weld travel speed sensing system and method

#115
20130206740
2013-08-15

Optical-based weld travel speed sensing system

#116
20130005495
2013-01-03

System and method for measurement and analysis of behavior of golf club head in golf swing

#117
20120327240
2012-12-27

Method and system for measuring vehicle speed based on movement of video camera

#118
20120170815
2012-07-05

System and method for range and velocity estimation in video data as a function of anthropometric measures

#119
20120026329
2012-02-02

Method and system for measuring vehicle speed based on movement of video camera

#120
20110238368
2011-09-29

Inclination calculation apparatus and inclination calculation program, and game apparatus and game program

#121
20110080306
2011-04-07

Device and method for determining the direction, speed and/or distance of vehicles

#122
20100309117
2010-12-09

Inclination calculation apparatus and inclination calculation program, and game apparatus and game program

#123
20100066588
2010-03-18

Image pickup device for detecting moving speed of shot object and method thereof

#124
20080275667
2008-11-06

Inclination calculation apparatus and inclination calculation program, and game apparatus and game program

#125
20080192113
2008-08-14

Automated wheel slide detector

#126
20070233424
2007-10-04

Inclination calculation apparatus and inclination calculation program, and game apparatus and game program

#127
20070088478
2007-04-19

Vehicle travel distance calculation method, vehicle travel distance calculation apparatus, vehicle current position detection method and vehicle current postition detection apparatus

#128
20060078164
2006-04-13

Measurement method using blurred images

#129
20050213076
2005-09-29

Moving body measuring apparatus

#130
20050114073
2005-05-26

Performance measurement system with quantum dots for object identification

#131
18094437
2023-11-14

Measuring the speed of rotation or reciprocation of a mechanical component using one or more cameras

#132
17829798
2023-01-17

Measuring the Torsional Vibration of a mechanical component using one or more cameras

#133
17153175
2022-06-28

Measuring the speed of rotation or reciprocation of a mechanical component using one or more cameras

#134
14811994
2017-03-21

Background oriented Schlieren using celestial objects

#135
13688974
2016-12-13

Measuring launch and motion parameters