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:
Apr. 06, 2021

Filed:

Aug. 13, 2018
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Xin Jin, Nagoya, JP;

Hironobu Sugimoto, Nagoya, JP;

Shingo Kinashi, Okazaki, JP;

Kazuteru Maekawa, Miyoshi, JP;

Sadahiro Koshiba, Takahama, JP;

Takahiro Yamaguchi, Okazaki, JP;

Yuji Sato, Owariasahi, JP;

Seiji Takahata, Nishio, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/32 (2006.01); G01C 21/36 (2006.01);
U.S. Cl.
CPC ...
G01C 21/32 (2013.01); G01C 21/3617 (2013.01);
Abstract

The present invention provides technology that updates a map such that appropriate guidance can be provided near an intersection. A map data update system updates map data on a link-by-link basis and includes a link acquisition portion that acquires an existing link which is a link indicated by existing map data and a new link which is a link indicated by new map data, and a link update portion that updates the existing link with the new link based on a shape of a portion of the existing link connected to an intersection and a shape of a portion of the new link corresponding to the existing link, the portion being connected to the intersection.


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