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. 08, 2012

Filed:

Nov. 29, 2006
Applicants:

Takaaki Nakayama, Okazaki Aichi, JP;

Shino Oonishi, Okazaki Aichi, JP;

Kensuke Takeuchi, Okazaki Aichi, JP;

Daisuke Tanizaki, Okazaki Aichi, JP;

Kiyohide Kato, Okazaki Aichi, JP;

Inventors:

Takaaki Nakayama, Okazaki Aichi, JP;

Shino Oonishi, Okazaki Aichi, JP;

Kensuke Takeuchi, Okazaki Aichi, JP;

Daisuke Tanizaki, Okazaki Aichi, JP;

Kiyohide Kato, Okazaki Aichi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A route guidance system includes a current position detection section, a route search section, and a guidance section. The guidance section includes a branch computation section computes the number of branches between a host vehicle location and a guidance location along a specified route. A point guidance section executes route guidance based on the computed number of the branches. The number of branches between the host vehicle location and the guidance location is computed, and the route guidance is executed based on the computed number of the branches, so it is possible to recognize the guidance location simply by counting the number of the branches, regardless of the number of traffic signals that exist between the host vehicle location and the guidance location.


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