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:
Nov. 12, 2013
Filed:
Feb. 18, 2011
Masahiro Iida, Kariya, JP;
Masahiro Iida, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
When determining that a subject vehicle traveled a curve, a road shape learning apparatus amends an entrance coordinate, a middle coordinate, and an exit coordinate of the curve based on predetermined amendment values to thereby obtain a post-amendment entrance coordinate, a post-amendment middle coordinate, and a post-amendment exit coordinate. The road shape learning apparatus computes a radius of a circular arc which passes through the post-amendment entrance coordinate, the post-amendment middle coordinate, and the post-amendment exit coordinate and designates the computed radius as a curvature radius of the curve.
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