The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
Apr. 02, 2014
Applicant:
Magnachip Semiconductor, Ltd., Cheongju-si, KR;
Inventors:
Dong Ho Kim, Cheongju-si, KR;
Ki Seok Cho, Cheongju-si, KR;
Assignee:
MagnaChip Semiconductor, Ltd., Cheongju-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 17/28 (2006.01); G01C 25/00 (2006.01);
U.S. Cl.
CPC ...
G01C 25/00 (2013.01); G01C 17/28 (2013.01);
Abstract
A method and an apparatus for calculating azimuth, and a method and an apparatus for determining an offset from geomagnetic field are provided. An apparatus for calculating azimuth includes a magnetic sensor configured to sense magnetic field, a data selecting unit configured to select offset data items, an offset calculating unit configured to calculate an offset by a geometrical method that uses the selected offset data items, and an azimuth calculating unit configured to calculate an azimuth by using the calculated offset.