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:
Jan. 27, 2009

Filed:

Jul. 08, 2005
Applicants:

Hiroshi Tomita, Okazaki, JP;

Hiroki Ishikawa, Okazaki, JP;

Inventors:

Hiroshi Tomita, Okazaki, JP;

Hiroki Ishikawa, Okazaki, JP;

Assignee:

Aisin AW Co., Ltd., Anjo, JP;

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

A navigation apparatus and method that store route information, the stored route information including, for each of a plurality of routes starting at a first point and ending at a second point, a required travel time and a traffic condition. The apparatus and method determine whether a guidance route includes the first point and the second point of a stored route. The apparatus and method read out, if a guidance route includes the first point and the second point of a stored route, the stored route information for the stored route that shares the first point and the second point with the guidance route. The read out stored route information having a same or similar traffic condition as a current traffic condition. The apparatus and method output the required time to travel the stored route from the read route information.


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