ClassID:

164632

G01C21/08 - CPC Classification

Classification description:

Navigation; Navigational instruments not provided for in groups - by terrestrial means involving use of the magnetic field of the earth

Recent Application in this class:
#1
20260085934
2026-03-26

MAGNETIC ANOMALY MAP MENDER

#2
20260085933
2026-03-26

BLIND SOURCE SEPARATION FOR MAGNETIC ANOMALY NAVIGATION

#3
20260063425
2026-03-05

TECHNIQUES FOR USING A SERIES OF MAGNETIC MEASUREMENTS TO AIDE POSITION DETERMINATION

#4
20260049818
2026-02-19

Geophysical Field Sensing Based Navigation

#5
20260043653
2026-02-12

Using a Magnetic Recording for Authentication

#6
20260016313
2026-01-15

Detecting and Fixing Map Artifacts

#7
20250341395
2025-11-06

SYSTEMS AND METHODS FOR SENSING VELOCITY

#8
20250290752
2025-09-18

Kit, system and method for determining the position of an individual on the surface of the sea

#9
20250237505
2025-07-24

TERMINAL DEVICE, MAGNETIC ANCHOR SYSTEM, AND POSITION DETERMINATION METHOD

#10
20250198763
2025-06-19

Geophysical Field Sensing-based Navigation

#11
20250172394
2025-05-29

ELECTRONIC DEVICE FOR LOCATION DETECTION, AND METHOD FOR OPERATING SAME

#12
20250071512
2025-02-27

Using a Magnetic Recording for Authentication

#13
20250060485
2025-02-20

Using Magnetic-Sensor Data to Correct for INS Drift

#14
20250052577
2025-02-13

Determining Movement in an Opposite Direction

#15
20250052576
2025-02-13

Determining Confidence in Magnetic-Sensor Data

#16
20250044098
2025-02-06

Geophysical Field Sensing Based Navigation

#17
20240426611
2024-12-26

System and Method for Controlling a Vehicle in an Environment

#18
20240328824
2024-10-03

POSE CALIBRATION METHOD FOR AEROSPACE MAGNETOMETER

#19
20240271940
2024-08-15

METHOD FOR ESTIMATING THE MOVEMENT OF AN OBJECT MOVING IN A MAGNETIC FIELD

#20
20240192002
2024-06-13

MONITORING MAGNETIC FIELDS

#21
20240167819
2024-05-23

Correlating Overlapping Magnetic Measurement Data from Multiple Magnetic Navigation Devices and Updating a Geomagnetic Map with that Data

#22
20240085182
2024-03-14

METHODS FOR LIFTING AND LOWERING MAGNETIC ANOMALIES FOR MAGNETIC NAVIGATION

#23
20240053153
2024-02-15

Target Localization Using AC Magnetic Fields

#24
20240019586
2024-01-18

METHOD FOR RECOGNIZING VEHICLE LOCATION USING GEOMAGNETIC SENSOR

#25
20230408260
2023-12-21

Operating Modes of Magnetic Navigation Devices

#26
20230349698
2023-11-02

Correlating Overlapping Magnetic Measurement Data from Multiple Magnetic Navigation Devices and Updating a Geomagnetic Map with that Data

#27
20230306709
2023-09-28

METHOD AND DEVICE FOR HEADING ESTIMATION

#28
20230258452
2023-08-17

METHOD AND DEVICE FOR COMPENSATING VERTICAL MAGNETIC DEFAULTS OF A MAGNETOMETER INSTALLED IN AN AIRCRAFT

#29
20230243654
2023-08-03

NAVIGATION SYSTEMS AND METHODS

#30
20220404151
2022-12-22

Generating a Geomagnetic Map

#31
20220341736
2022-10-27

Direction calculation apparatus, direction calculation method, and program

#32
20220163330
2022-05-26

INFORMATION PROCESSING APPARATUS, PROGRAM, AND INFORMATION PROCESSING METHOD

#33
20220147117
2022-05-12

Wearable electronic device accessory interface

#34
20220136832
2022-05-05

METHOD AND SYSTEM FOR MAGNETIC-BASED COLLABORATIVE POSITIONING

#35
20220128365
2022-04-28

Method and system for magnetic-based indoor vehicle positioning

#36
20220034641
2022-02-03

METHODS OF DETERMINING PERFORMANCE INFORMATION FOR INDIVIDUALS AND SPORTS OBJECTS

#37
20220026235
2022-01-27

Operating modes of magnetic navigation devices

#38
20220026217
2022-01-27

Generating a geomagnetic map

#39
20220026212
2022-01-27

Correlating overlapping magnetic measurement data from multiple magnetic navigation devices and updating a geomagnetic map with that data

#40
20220018661
2022-01-20

Target Localization Using AC Magnetic Fields

#41
20210396542
2021-12-23

Operating Modes of Magnetic Navigation Devices

#42
20210396524
2021-12-23

Generating a Geomagnetic Map

#43
20210306811
2021-09-30

Method and system for determining a direction of movement of an object

#44
20210297812
2021-09-23

Federated system for mobile device localization

#45
20210258733
2021-08-19

Method and system for determining and tracking an indoor position of an object

#46
20210173451
2021-06-10

Wearable electronic device accessory interface

#47
20210140770
2021-05-13

Techniques for indoor positioning

#48
20210025718
2021-01-28

Deployment of trained neural network in magnetic fingerprint based indoor navigation

#49
20200408527
2020-12-31

Method for estimating the movement of an object moving in a magnetic field

#50
20200401152
2020-12-24

Self-location estimation method

#51
20200370889
2020-11-26

Heading determination device and method, rendering device and method

#52
20200356109
2020-11-12

SENSOR AND COMBINED MAGNETIC NAVIGATION SENSOR

#53
20200348135
2020-11-05

ORIENTATION DETERMINATION DEVICE AND METHOD, RENDERING DEVICE AND METHOD

#54
20200342618
2020-10-29

Image capturing apparatus and control method thereof, and orientation angle calculation apparatus for estimating orientation of image capturing apparatus

#55
20200322753
2020-10-08

CALIBRATING A DEVICE FOR DETERMINING POSITION IN THREE-DIMENSIONAL SPACE

#56
20200304948
2020-09-24

Method for estimating the harmonization values of a magnetometer installed in a mobile machine, associated device and computer program

#57
20200293508
2020-09-17

Method, apparatus and system for updating geomagnetic information

#58
20200288277
2020-09-10

Method and system for determining a direction of movement of an object

#59
20200257249
2020-08-13

Electronic watch

#60
20200218202
2020-07-09

ELECTRONIC WATCH

#61
20200208980
2020-07-02

Method and device for characterising a heading determined from the measurement of the magnetic field

#62
20200182618
2020-06-11

Method and system for heading determination

#63
20200169847
2020-05-28

CONDITIONING AGENT AND CONDITIONING COMPOSITION

#64
20200166343
2020-05-28

Method and device for magnetic field measurement by magnetometers

#65
20200132464
2020-04-30

Method for estimating the movement of an object moving in a magnetic field

#66
20200100068
2020-03-26

Method and system for determining a direction of movement of an object

#67
20200003880
2020-01-02

Automatic determination of position and orientation of elevator device entry terminals and hallway fixtures

#68
20190383616
2019-12-19

Terrestrial observation device having location determination functionality

#69
20190380106
2019-12-12

Indoor positioning system and method based on geomagnetic signals in combination with computer vision

#70
20190353766
2019-11-21

Vehicle location device

#71
20190293428
2019-09-26

Biomagnetic sensor

#72
20190277638
2019-09-12

Magnetic-inertial global positioning system

#73
20190250009
2019-08-15

Automatic heading correction for directional gyroscopes

#74
20190249976
2019-08-15

Methods of determining performance information for individuals and sports objects

#75
20190187728
2019-06-20

AUTOMATIC FOLLOWING APPARATUS AND AUTOMATIC FOLLOWING SYSTEM

#76
20190186921
2019-06-20

Systems and methods for tracking motion, performance, and other data for an individual such as a winter sports athlete

#77
20190182628
2019-06-13

Self-learning localization data repository

#78
20190171301
2019-06-06

Device for determining the position of an object in space

#79
20190141661
2019-05-09

METHOD AND SYSTEM FOR POSITIONING STATE TRANSITION

#80
20190132705
2019-05-02

Method and system for determining a direction of movement of an object

#81
20190113346
2019-04-18

Position determination device and method

#82
20190104492
2019-04-04

Cell Phone-Based Land Navigation Methods and Systems

#83
20190086480
2019-03-21

Self-calibrating system architecture for magnetic distortion compensation

#84
20190079199
2019-03-14

Determining vehicle orientation for enhanced navigation experience

#85
20190049250
2019-02-14

Information processing apparatus and information processing method

#86
20190018417
2019-01-17

Magnetic navigation and positioning system

#87
20180372497
2018-12-27

Method and apparatus for measuring posture angle of object

#88
20180348765
2018-12-06

Automatic returning method and system, and unmanned aerial vehicle

#89
20180341245
2018-11-29

Method of estimating an attitude of a control device for controlling operating machines

#90
20180328753
2018-11-15

LOCAL LOCATION MAPPING METHOD AND SYSTEM

#91
20180274931
2018-09-27

Position determination device and method

#92
20180255431
2018-09-06

Determining position of a device in three-dimensional space and corresponding calibration techniques

#93
20180164834
2018-06-14

Unmanned aerial vehicle and method for positioning an unmanned aerial vehicle

#94
20180150657
2018-05-31

Method and system for magnetic stripe reading using mobile magnetometers

#95
20180149480
2018-05-31

System for incremental trajectory estimation based on real time inertial sensing

#96
20180136009
2018-05-17

Method for calibrating aircraft tri-axial balance and device thereof

#97
20180122134
2018-05-03

THREE-DIMENSIONAL MODEL CONSTRUCTION SYSTEM AND THREE-DIMENSIONAL MODEL CONSTRUCTION METHOD

#98
20180115874
2018-04-26

Method and apparatus for geomagnetic signal processing

#99
20170343339
2017-11-30

Optoelectronic measuring device having magnetic compass and compensation functionality

#100
20170336208
2017-11-23

Attitude estimating device, attitude estimating method, and storage medium

#101
20170299396
2017-10-19

APPARATUS, SYSTEM, AND METHOD FOR REFINING GEOGRAPHICAL LOCATION BASED ON DYNAMIC CHARACTERISTICS OF HELMET

#102
20170299392
2017-10-19

Mobile device

#103
20170292840
2017-10-12

Gyromagnetic geopositioning system

#104
20170289753
2017-10-05

Magnetic fingerprinting for proximity-based systems

#105
20170285653
2017-10-05

Control apparatus for utility vehicle

#106
20170285652
2017-10-05

Control apparatus for utility vehicle

#107
20170280623
2017-10-05

Control apparatus for utility vehicle that controls mowing height

#108
20170276739
2017-09-28

Magnetic sensor

#109
20170248428
2017-08-31

INDOOR POSITIONING SYSTEM AND METHOD

#110
20170248424
2017-08-31

ELECTRONIC DEVICE FOR DETERMINING POSITION AND METHOD FOR OPERATING THE SAME

#111
20170248423
2017-08-31

Method for filtering the signals arising from a sensor assembly comprising at least one sensor for measuring a vector physical field which is substantially constant over time and in space in a reference frame

#112
20170241785
2017-08-24

Supporting magnetic flux density based positioning

#113
20170234685
2017-08-17

Apparatus and method to aid magnetic positioning and navigation

#114
20170195985
2017-07-06

Positioning method and electronic device

#115
20170184402
2017-06-29

Magnetic field based location determination

#116
20170176187
2017-06-22

Electronic apparatus, angular velocity acquisition method and storage medium for the same

#117
20170169257
2017-06-15

Method and system for magnetic stripe reading using mobile magnetometers

#118
20170138979
2017-05-18

Energy-efficient home-automation device and method for tracking the displacement of a monitored object

#119
20170097237
2017-04-06

METHOD AND DEVICE FOR REAL-TIME OBJECT LOCATING AND MAPPING

#120
20170082725
2017-03-23

Magnetic positioning management

#121
20170082440
2017-03-23

Information processing system, information processing method, and non-transitory computer readable storage medium

#122
20170074660
2017-03-16

Magnetic field gradient navigation aid

#123
20170046953
2017-02-16

Method and apparatus for determining direction of the beginning of vehicle movement

#124
20170021805
2017-01-26

Positioning with a magnetic sensor for a vehicle

#125
20170003739
2017-01-05

Alignment sensor system and alignment sensor system method for a movement instrument

#126
20170003111
2017-01-05

Methods of determining performance information for individuals and sports objects

#127
20160370767
2016-12-22

Smart watch and motion gaming system

#128
20160360501
2016-12-08

METHOD AND APPARATUS OF POSITIONING MOBILE TERMINAL BASED ON GEOMAGNETISM

#129
20160341569
2016-11-24

METHOD OF CALIBRATING GEOMAGNETIC SENSOR AND ELECTRONIC DEVICE ADAPTED THERETO

#130
20160223578
2016-08-04

Systems and methods for tracking motion, performance, and other data for an individual such as a winter sports athlete

#131
20160223340
2016-08-04

Last-mile navigation using smartphones

#132
20160202359
2016-07-14

Heading for a hybrid navigation solution based on magnetically calibrated measurements

#133
20160202064
2016-07-14

GENERATING MAGNETIC FIELD MAP FOR INDOOR POSITIONING

#134
20160187142
2016-06-30

Magnetic anomaly tracking for an inertial navigation system

#135
20160183116
2016-06-23

Method and apparatus of positioning mobile terminal based on geomagnetism

#136
20160116290
2016-04-28

Simultaneous localization and mapping by using Earth's magnetic fields

#137
20160109255
2016-04-21

Display control device

#138
20160109233
2016-04-21

Method of detecting attitude faults based on magnetometer measurements

#139
20160101323
2016-04-14

Orientation during swimming

#140
20160084659
2016-03-24

MAGNETIC FIELD MAPPING AND INDOOR LOCATION SENSING

#141
20160003625
2016-01-07

Indoor magnetic field based location discovery

#142
20150260543
2015-09-17

BACKGROUND CALIBRATION

#143
20150260524
2015-09-17

UTILIZING MAGNETIC FIELD BASED NAVIGATION

#144
20150260523
2015-09-17

Utilizing magnetic field based navigation

#145
20150204994
2015-07-23

Sensor devices and methods for calculating an orientation while accounting for magnetic interference

#146
20150168153
2015-06-18

Device location determination

#147
20150018018
2015-01-15

Indoor location-finding using magnetic field anomalies

#148
20140278080
2014-09-18

Method to scale inertial location data using directional and/or scale confidence constraints

#149
20140229103
2014-08-14

Mobile device position and orientation from multiple unsurveyed magnetic sources

#150
20140180627
2014-06-26

SYSTEM, METHOD AND/OR DEVICES FOR APPLYING MAGNETIC SIGNATURES FOR POSITIONING

#151
20140172356
2014-06-19

Method for estimating location of user terminal using difference between true north and magnetic north and the user terminal thereof

#152
20140011540
2014-01-09

Direction display device and direction display system

#153
20140005928
2014-01-02

Methods and apparatus for adjusting heading direction in a navigation system

#154
20130310069
2013-11-21

Utilizing magnetic field based navigation

#155
20130297203
2013-11-07

Methods and apparatus for low-cost inertial dead-reckoning using context detection

#156
20130218505
2013-08-22

Dynamic offset correction for calibration of MEMS sensor

#157
20130218451
2013-08-22

Noise pattern acquisition device and position detection apparatus provided therewith

#158
20130192074
2013-08-01

System and method for measurement of angular orientation of aerospace platforms

#159
20130184991
2013-07-18

Method of generating geometric heading and positioning system using the same method

#160
20130179075
2013-07-11

Indoor magnetic field based location discovery

#161
20130158928
2013-06-20

Applying a correct factor derivative method for determining an orientation of a portable electronic device based on sense gravitation component linear accelerate filter data obtained

#162
20130110456
2013-05-02

Geolocation system and method for determining mammal locomotion movement

#163
20120323491
2012-12-20

Method and apparatus for determining direction of the beginning of vehicle movement

#164
20120280825
2012-11-08

Method of inferring user' direction, direction inferring apparatus, and terminal apparatus

#165
20120232838
2012-09-13

Installation of Magnetic Signal Sources for Positioning

#166
20120150440
2012-06-14

POSITIONING APPARATUS, POSITIONING METHOD, AND STORAGE MEDIUM FOR MEASURING POSITION USING BOTH AUTONOMOUS NAVIGATION AND GPS

#167
20120072110
2012-03-22

Indoor positioning using pressure sensors

#168
20100070193
2010-03-18

Geolocation system and method for determining mammal locomotion movement

#169
20100063768
2010-03-11

Magnetic sensing device for navigation and detecting inclination

#170
20090312944
2009-12-17

Method and Device for Supplying Location Information

#171
20090221298
2009-09-03

Wireless communication terminals and methods that display relative direction and distance therebetween responsive to acceleration data

#172
20070210927
2007-09-13

Tracking the geographic location of an animal

#173
20070069721
2007-03-29

Small-sized attitude detection sensor and portable telephone using the small-sized attitude detection sensor

#174
20060265178
2006-11-23

Solid state orientation sensor with 360 degree measurement capability

#175
20050200521
2005-09-15

GPS location finding device

#176
20050125108
2005-06-09

Motion estimation method and system for mobile body

#177
20050035872
2005-02-17

Method for monitoring the movements of individuals in and around buildings, rooms and the like, and direction transmitter for execution of the method and other applications

#178
18770321
2025-07-29

Detecting and fixing map artifacts

#179
18544329
2024-11-26

Geophysical field sensing-based navigation

#180
18370045
2025-09-30

Magnetic positioning for vehicle groups

#181
18363710
2024-08-06

Geophysical field sensing based navigation

#182
17443632
2024-09-03

Navigation with magnetic field sensors

#183
16909014
2023-07-11

Method and device for heading estimation

#184
16671503
2020-11-17

Magnetic parameter-based localization in mobile device navigation

#185
16298410
2024-07-23

Technique for alignment of a mobile device orientation sensor with the earth's coordinate system

#186
16263828
2023-02-14

Magnetic sensor offset detection

#187
16155892
2019-07-09

Method and system for mobile device processing timeout based localization

#188
16029689
2019-02-05

Mobile device localization based on spatial derivative magnetic fingerprint

#189
15980809
2019-06-11

Vehicle location device

#190
15827853
2019-04-09

Self-learning localization data repository

#191
15200995
2018-11-13

Position aided inertial navigation system for a farming implement not requiring an additional GNSS receiver

#192
14502174
2019-04-30

Nine-axis quaternion sensor fusion using modified kalman filter

#193
14200831
2016-06-28

Systems and methods for determining a heading value of a marine vessel