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:
Mar. 20, 2012

Filed:

May. 15, 2007
Applicants:

Motohiro Nakamura, Okazaki, JP;

Kiyokazu Okada, Nishikamo-gun, JP;

Hidenobu Suzuki, Ann Arbor, MI (US);

Masaki Nakamura, Okazaki, JP;

Makoto Hasunuma, Nagoya, JP;

Inventors:

Motohiro Nakamura, Okazaki, JP;

Kiyokazu Okada, Nishikamo-gun, JP;

Hidenobu Suzuki, Ann Arbor, MI (US);

Masaki Nakamura, Okazaki, JP;

Makoto Hasunuma, Nagoya, JP;

Assignees:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;

Aisin AW Co., Ltd., Anjyo-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

Based on positioning accuracy of an own vehicle required for appropriately carrying out assistance control carried out according to a position of the own vehicle, an execution condition for map matching correcting the position of the own vehicle is set. Specifically, setting is made in such a manner that, as the positioning accuracy is higher and an error thereof is smaller, an execution frequency of map matching becomes higher. Then, map matching is carried out according to the thus-set execution condition.


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