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:
May. 05, 2015

Filed:

Mar. 14, 2013
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;

Inventor:

Naoki Iketani, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); G01C 21/16 (2006.01); G01C 21/20 (2006.01); G01C 22/00 (2006.01);
U.S. Cl.
CPC ...
G01C 21/00 (2013.01); G01C 21/165 (2013.01); G01C 21/206 (2013.01); G01C 22/006 (2013.01);
Abstract

According to an embodiment, a position detection device includes a position estimation unit and a position correction unit. The position estimation unit is configured to estimate a position of a moving object based on an absolute position of the moving object and a position change of the moving object obtained from autonomous navigation. The position correction unit is configured to correct, based on presence probability information which is information on each of a plurality of regions and indicates a higher probability as a presence frequency of the moving object is higher, the estimated position of the moving object so that the moving object is present at a position with a high probability.


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