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Class Information
Number: 33/355R
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Magnetic field responsive
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7448140 |
Emergency responder's orientation method and device |
Nov. 11, 2008 |
| 7437257 |
Geomagnetic sensor and geomagnetic sensor correction method, temperature sensor and temperature sensor correction method, geomagnetism detection device |
Oct. 14, 2008 |
| 7428780 |
Viewing and display apparatus position determination algorithms |
Sep. 30, 2008 |
| 7418359 |
Magnetic sensor control device |
Aug. 26, 2008 |
| 7389592 |
Lean detector of vehicle |
Jun. 24, 2008 |
| 7377046 |
Inclination sensor and azimuth measuring apparatus using inclination sensor |
May. 27, 2008 |
| 7337549 |
Input device for using geomagnetic sensor and a method thereof for generating input signal |
Mar. 4, 2008 |
| 7331115 |
Vehicle compass compensation |
Feb. 19, 2008 |
| 7331114 |
Magnetic compass structure |
Feb. 19, 2008 |
| 7325320 |
Method for estimating the accuracy of azimuthal orientations and portable sighting device |
Feb. 5, 2008 |
| 7318283 |
Inclination sensor |
Jan. 15, 2008 |
| 7302345 |
Method and apparatus for generating magnetic field map and method and apparatus for checking pose of mobile body using the magnetic field map |
Nov. 27, 2007 |
| 7278219 |
Magnetic compass |
Oct. 9, 2007 |
| 7273332 |
Method and apparatus for through-hole placement in a building structure |
Sep. 25, 2007 |
| 7225552 |
Method and system to detect an orientation of a moving object |
Jun. 5, 2007 |
| 7210236 |
Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus |
May. 1, 2007 |
| 7210235 |
Apparatus and method for detecting azimuth and inclination angle, program for detecting the same, and portable terminal device for detecting the same |
May. 1, 2007 |
| 7197829 |
Laser guided celestial identification device |
Apr. 3, 2007 |
| 7194816 |
Mobile terminal apparatus |
Mar. 27, 2007 |
| 7194815 |
Device for detecting magnetic azimuth |
Mar. 27, 2007 |
| 7194814 |
Self-balancing, no-spin magnet compass |
Mar. 27, 2007 |
| 7168177 |
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 |
Jan. 30, 2007 |
| 7155833 |
Viewing and display apparatus position determination algorithms |
Jan. 2, 2007 |
| 7154267 |
Method and system for electronic compass calibration and verification |
Dec. 26, 2006 |
| 7138798 |
Azimuth meter having spin-valve giant magneto-resistive elements |
Nov. 21, 2006 |
| 7134213 |
Magic compass |
Nov. 14, 2006 |
| 7119533 |
Method, system and device for calibrating a magnetic field sensor |
Oct. 10, 2006 |
| 7113451 |
Electronic watch having a compass function |
Sep. 26, 2006 |
| 7093371 |
Direction indicating device |
Aug. 22, 2006 |
| 7028410 |
Portable terminal |
Apr. 18, 2006 |
| 7024782 |
Electronic device compass operable irrespective of localized magnetic field |
Apr. 11, 2006 |
| 7010862 |
Viewing and display apparatus position determination algorithms |
Mar. 14, 2006 |
| 6973732 |
Magnetic compass |
Dec. 13, 2005 |
| 6971181 |
Digital display compass for mounting on vehicle rear view mirror |
Dec. 6, 2005 |
| 6964107 |
System, method, device and computer code product for improving the readability of an electronic compass |
Nov. 15, 2005 |
| 6962001 |
Magnetic north detecting device and magnetic north detecting method |
Nov. 8, 2005 |
| 6951059 |
Compass-based indicator with magnetic shielding |
Oct. 4, 2005 |
| 6922647 |
Device and method for automatically detecting a calibration termination for a geomagnetic sensor |
Jul. 26, 2005 |
| 6883241 |
Compass-based indicator with magnetic shielding |
Apr. 26, 2005 |
| 6842991 |
Gyro aided magnetic compass |
Jan. 18, 2005 |
| 6826843 |
Electronic compass apparatus and method |
Dec. 7, 2004 |
| 6826842 |
Azimuth meter |
Dec. 7, 2004 |
| 6817106 |
Electronic equipment having a built-in electronic compass |
Nov. 16, 2004 |
| 6796044 |
Navigation device |
Sep. 28, 2004 |
| 6742270 |
Luminescent indication compass |
Jun. 1, 2004 |
| 6739063 |
Combination compass |
May. 25, 2004 |
| 6606799 |
Electronic azimuth meter and electronic time piece having electronic azimuth meter |
Aug. 19, 2003 |
| 6600314 |
Tunneling magnetoresistive effect device and direction sensor system using said device |
Jul. 29, 2003 |
| 6578277 |
Magnetic compass |
Jun. 17, 2003 |
| 6556007 |
Bearing sensor having magneto resistive elements |
Apr. 29, 2003 |
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