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:
Feb. 03, 2015

Filed:

Jul. 03, 2008
Applicant:

Aiko Sugawara, Minato-ku, JP;

Inventor:

Aiko Sugawara, Minato-ku, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01); G08G 1/0968 (2006.01); G09B 29/00 (2006.01); G09B 29/10 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3492 (2013.01); G08G 1/096827 (2013.01); G08G 1/096844 (2013.01); G08G 1/096861 (2013.01); G09B 29/007 (2013.01); G09B 29/106 (2013.01);
Abstract

A navigation server () evaluates a transition cost δfrom a reference line to each k(k=1˜n) link via one node on the basis of a deviation of a first movement cost cper unit length of the klink from the minimum value of the first movement cost cper unit length of all klinks. Furthermore, a second movement cost ccorresponding to a net movement cost in each link can be evaluated on the basis of the first movement cost cin each link and the transition cost from the reference link to each link. When an evaluation result or a road traffic information based on the evaluation result is provided, a navigation apparatus can be make to guide a vehicle () according to a proper navigation route in view of real road traffic conditions.


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