ClassID:

164547

G01C17/38 - page 2 - CPC Classification

Classification description:

Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes Testing, calibrating, or compensating of compasses

Recent Application in this class:
#301
20100027145
2010-02-04

Interior rearview mirror system

#302
20100018285
2010-01-28

Calibration

#303
20100017160
2010-01-21

Device comprising a sensor arrangement and an updater

#304
20100010695
2010-01-14

HEADING REFERENCE SYSTEM WITH REMOTE-MOUNTED SENSOR

#305
20090320305
2009-12-31

Portable electronic apparatus and geomagnetism sensor calibration method

#306
20090319222
2009-12-24

Portable terminal device

#307
20090293295
2009-12-03

Azimuth calculation program and electronic compass

#308
20090292496
2009-11-26

Vehicle compass compensation

#309
20090287413
2009-11-19

Systems and methods for improving magnetic heading output from an inertial navigation system

#310
20090281739
2009-11-12

Magnetic field sensor

#311
20090212999
2009-08-27

Apparatus and method of correcting moving direction of pedestrian

#312
20090171608
2009-07-02

Magnetic data processing device, magnetic data processing method, and magnetic data processing program

#313
20090171607
2009-07-02

Portable electronic device capable of re-calibrating azimuth and method thereof

#314
20090167295
2009-07-02

Portable electronic device with electronic compass and method for calibrating compass

#315
20090144996
2009-06-11

Interior rearview mirror system with compass

#316
20090132198
2009-05-21

Mobile Electronic Apparatus and Method for Processing Bearing of Mobile Electronic Apparatus

#317
20090108841
2009-04-30

Two-axis geo-magnetic field sensor with elimination of eefect of external offset magnetic fields

#318
20090093981
2009-04-09

INTEGRATED TILT COMPENSATED COMPASS IN A SINGLE PACKAGE

#319
20090088975
2009-04-02

NAVIGATION DEVICE

#320
20090070057
2009-03-12

Calibration program and electronic compass

#321
20090070056
2009-03-12

Method and device for calibrating a magnetic sensor

#322
20090066323
2009-03-12

Antenna Orientation Sensor

#323
20090043504
2009-02-12

SYSTEM AND METHOD FOR LOCATING, TRACKING, AND/OR MONITORING THE STATUS OF PERSONNEL AND/OR ASSETS BOTH INDOORS AND OUTDOORS

#324
20090012733
2009-01-08

OFFSET CORRECTION PROGRAM AND ELECTRONIC COMPASS

#325
20090006020
2009-01-01

Compass sensor unit and portable electronic device

#326
20080319708
2008-12-25

Apparatus and Method For Estimating Virtual Axis Magnetic Compass Data to Compensate the Tilt Error of Biaxial Magnetic Compass, and Apparatus For Calculating Azimuth Based on the Same

#327
20080316629
2008-12-25

Magnetic data processing apparatus, method and machine readable medium

#328
20080294581
2008-11-27

Device Comprising a Sensor Arrangement and an Estimator

#329
20080294336
2008-11-27

Bearing display apparatus and bearing display method

#330
20080289203
2008-11-27

Compass device and method for a compass device

#331
20080270068
2008-10-30

Method for estimating movement of a solid

#332
20080270060
2008-10-30

Magnetic sensor and accelerometer calibration techniques

#333
20080266695
2008-10-30

Magnetic sensor control device

#334
20080250661
2008-10-16

Sensor module, method of correction therefor, and mobile object including the sensor module

#335
20080201096
2008-08-21

COMPASS CALIBRATION SYSTEM AND METHOD

#336
20080172174
2008-07-17

Mobile bearing calculator and bearing correction method

#337
20080140332
2008-06-12

Vehicle compass compensation

#338
20080130149
2008-06-05

Interior rearview mirror system with compass

#339
20080120054
2008-05-22

Vehicle compass system with continuous automatic calibration

#340
20080091372
2008-04-17

Compass sensor unit and portable electronic device

#341
20080071492
2008-03-20

Method, apparatus, and medium for calibrating compass sensor in consideration of magnetic environment and method, apparatus, and medium for measuring azimuth using the compass sensor calibration method, apparatus, and medium

#342
20080066331
2008-03-20

MAGNETOMETER CORRECTION SYSTEM AND METHOD

#343
20080051987
2008-02-28

Bearing calculator and error correction method

#344
20080046214
2008-02-21

Sensor system error reduction

#345
20070288166
2007-12-13

Electronic compass system

#346
20070276625
2007-11-29

Azimuth measuring device

#347
20070250262
2007-10-25

Device, method and medium detecting errors generated by distortion in a magnetic field

#348
20070241744
2007-10-18

Measurement method and mobile information device

#349
20070239401
2007-10-11

Geomagnetic sensor for calibrating azimuth by compensating for an effect of tilting and method thereof

#350
20070233381
2007-10-04

Mobile map display apparatus, map display system and map display method

#351
20070225929
2007-09-27

Orientation data generation method, orientation sensor unit and portable electronic equipment

#352
20070213950
2007-09-13

Magnetic data processing device

#353
20070198209
2007-08-23

Magnetic-sensor controller, magnetism measurement apparatus, offset setting method, and computer-readable medium on which offset setting program is recorded

#354
20070163132
2007-07-19

Vehicle compass system with continuous automatic calibration

#355
20070136020
2007-06-14

Geomagnetic sensor and geomagnetic sensor correction method, temperature sensor and temperature sensor correction method, geomagnetism detection device

#356
20070124097
2007-05-31

Methods and systems for calibrating a sensor using a vector field

#357
20070124096
2007-05-31

Geomagnetic sensor and geomagnetic sensor correction method, temperature sensor and temperature sensor correction method, geomagnetism detection device

#358
20070124076
2007-05-31

Electronic compass system

#359
20070124075
2007-05-31

Geomagnetic sensor and azimuth calculation method thereof

#360
20070119061
2007-05-31

Geomagnetic sensor for computing azimuth and method thereof

#361
20070111765
2007-05-17

Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus

#362
20070101596
2007-05-10

System and method for compensating for magnetic disturbance of a compass by a moveable vehicle accessory

#363
20070088496
2007-04-19

Automatic heading and reference system

#364
20070086103
2007-04-19

Magnetic sensor control device

#365
20070084070
2007-04-19

Magnetic compass

#366
20070055468
2007-03-08

Calibration of 3D field sensors

#367
20070033818
2007-02-15

Azimuth measurement device and azimuth measurement method

#368
20070028471
2007-02-08

System and method for compensating for motor magnetic disturbance of a compass measurement

#369
20070000140
2007-01-04

Apparatus and method for detecting azimuth and inclination angle, program for detecting the same, and portable terminal device for detecting the same

#370
20060290348
2006-12-28

Magnetic sensor, and method of compensating temperature-dependent characteristic of magnetic sensor

#371
20060288597
2006-12-28

Vehicle compass system with continuous automatic calibration

#372
20060241883
2006-10-26

Method of compensating tilt using two-axis geomagnetic sensor, and acceleration sensor, and apparatus thereof

#373
20060217921
2006-09-28

Attitude angle processor and attitude angle processing method

#374
20060195254
2006-08-31

Method, apparatus and computer program for azimuth determination e.g. for autonomous navigation applications

#375
20060190174
2006-08-24

Electronic compass and direction finding method

#376
20060185182
2006-08-24

Portable terminal apparatus with auto caliblation of orientation measurement

#377
20060168832
2006-08-03

Geomagnetic sensor and geomagnetic sensor correction method, temperature sensor and temperature sensor correction method, geomagnetism detection device

#378
20060164079
2006-07-27

Magnetic sensor, and method of compensating temperature-dependent characteristic of magnetic sensor

#379
20060156565
2006-07-20

Electronic device, computer program product and method of operating built-in compass

#380
20060152217
2006-07-13

Method and system for electronic compass calibration and verification

#381
20060132939
2006-06-22

Interior rearview mirror system with compass

#382
20060122800
2006-06-08

System and method for providing adjustments for a compass

#383
20060103379
2006-05-18

Magnetic sensor, and method of compensating temperature-dependent characteristic of magnetic sensor

#384
20060097721
2006-05-11

Magnetic sensor, and method of compensating temperature-dependent characteristic of magnetic sensor

#385
20060075646
2006-04-13

Vehicle compass system with continuous automatic calibration

#386
20060066295
2006-03-30

Method, system and device for calibrating a magnetic field sensor

#387
20060053644
2006-03-16

Compass orientation compensation

#388
20060052132
2006-03-09

Mobile electronic system

#389
20060032064
2006-02-16

Orientation data generation method, orientation sensor unit and portable electronic equipment

#390
20060031014
2006-02-09

Azimuth processing device, azimuth processing method, azimuth processing program, direction finding device, tilt offset correcting method, azimuth measuring method, compass sensor unit, and portable electronic device

#391
20060026850
2006-02-09

Compass system for a motor vehicle

#392
20060026849
2006-02-09

Geomagnetic sensor for auto-calibration of magnetic field deviation and method of using the same

#393
20060021238
2006-02-02

Compass sensor unit and portable electronic device

#394
20050283988
2005-12-29

Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus

#395
20050262714
2005-12-01

Vehicle compass compensation

#396
20050256673
2005-11-17

Azimuth measuring device and azimuth measuring method

#397
20050246099
2005-11-03

Mobile terminals, methods, and program products for generating a magnetic heading based on position

#398
20050229411
2005-10-20

Method for estimating the accuracy of azimuthal orientations and portable sighting device

#399
20050228603
2005-10-13

Electronic compass and method of controlling an electronic compass using independent calibration and compass heading modules

#400
20050223575
2005-10-13

Electronic compass and method of calibration

#401
20050223574
2005-10-13

Electronic compass and method for tracking vehicle rotation

#402
20050223573
2005-10-13

Compass heading noise immunity

#403
20050197768
2005-09-08

Adjustment of the operation of an application based on a geographically varying parameter value

#404
20050188556
2005-09-01

Geomagnetic sensor for informing users whether detected azimuth angle is acceptable, and a method thereof

#405
20050183275
2005-08-25

Method and apparatus for determining a geomagnetic field by using a compass and method and apparatus for determining an azimuth angle of a moving object using the same

#406
20050183274
2005-08-25

Geomagnetic sensor for detecting dip angle and method thereof

#407
20050160609
2005-07-28

Apparatus and method of calibrating azimuth of mobile device

#408
20050155240
2005-07-21

Apparatus and method of calibrating azimuth of mobile device

#409
20050154549
2005-07-14

Method of measuring the azimuth and resetting zero azimuth automatically

#410
20050150295
2005-07-14

One-chip compass implemented using magnetoresistive (MR) sensor temperature compensation and magnetic cross-term reduction techniques

#411
20050150122
2005-07-14

Input device for using geomagnetic sensor and a method thereof for generating input signal

#412
20050145795
2005-07-07

Magnetoresistive (MR) sensor temperature compensation and magnetic cross-term reduction techniques utilizing selective set and reset gain measurements

#413
20050143917
2005-06-30

Method for searching for dip angle using tilt-compensated electronic compass

#414
20050138825
2005-06-30

Methods and apparatus for automatic magnetic compensation

#415
20050126023
2005-06-16

Method and apparatus for using magnetic field

#416
20050125108
2005-06-09

Motion estimation method and system for mobile body

#417
20050101344
2005-05-12

Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus

#418
20050091861
2005-05-05

Vehicle compass system with continuous automatic calibration

#419
20050004752
2005-01-06

Portable device for indicating specific location and controlling method thereof

#420
16263828
2023-02-14

Magnetic sensor offset detection

#421
15913143
2019-02-19

Headphone

#422
13940002
2015-12-08

Advanced tactical line replaceable unit alignment system