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:
Dec. 23, 2014

Filed:

Oct. 24, 2012
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Hiroshi Tanaka, Kariya, JP;

Seiji Kato, Toyota, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01); G01C 21/36 (2006.01);
U.S. Cl.
CPC ...
G01C 21/34 (2013.01); G01C 21/3632 (2013.01);
Abstract

A navigation apparatus provides a guidance about an exiting road of a circular intersection based on a prestored road and a learned road. The navigation apparatus determines whether or not the learned road is included in connection roads of the circular intersection. When the learned road is not included in the connection roads of the circular intersection, the navigation apparatus provides the guidance about the circular intersection in an exit number mode. When the learned road is included in the connection roads of the circular intersection, the navigation apparatus device provides the guidance about the circular intersection in a learned road guidance mode.


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