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.

Date of Patent:
Jul. 01, 2014

Filed:

Nov. 20, 2009
Applicants:

Touru Kitamura, Tokyo, JP;

Norihiko Mikoshiba, Tokyo, JP;

Inventors:

Touru Kitamura, Tokyo, JP;

Norihiko Mikoshiba, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/18 (2006.01); G01C 17/38 (2006.01); G01C 25/00 (2006.01); G01P 21/00 (2006.01); G01P 15/18 (2013.01);
U.S. Cl.
CPC ...
G01P 21/00 (2013.01); G01C 17/38 (2013.01); G01C 25/005 (2013.01); G01P 15/18 (2013.01);
Abstract

It is possible to rapidly or highly accurately estimate a highly reliable offset according to situations and improve further the reliability of the estimated offset even if a measurement data is not obtained in a space in which the magnitude of a vector physical quantity to be measured is uniform. The offset included in the obtained vector physical quantity data are statistically estimated based on a predetermined evaluation formula using difference vectors. In the estimation of the offset, reliability information on a reference point is calculated based on at least one of the vector physical quantity data, the difference vectors and a plurality of estimated reference points according to a calculation parameter for calculating the reliability information on the reference point, whether or not the reference point is reliable is determined by comparing the reliability information with a determination threshold value.


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