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.

Patent No.:

US 8706408 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 22, 2014

Filed:

Feb. 18, 2009
Applicant:

Kenji Nagase, Okazaki, JP;

Inventor:

Kenji Nagase, Okazaki, JP;

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08G 1/123 (2006.01);
U.S. Cl.
CPC ...
Abstract

When a destination is set, a CPU transmits to an information distribution center average vehicle speed information and so on together with a request command requesting for statistical traffic information. On the other hand, a CPU selects statistical traffic information per vehicle speed region of a predetermined vehicle speed region for each secondary mesh to thereby search for a basic route to the destination. Subsequently, the CPU identifies a vehicle speed region for each road type from the average vehicle speed information and a vehicle speed region determination table, selects for each mesh ID of all the secondary meshes through which the basic route passes the statistical traffic information per vehicle speed region corresponding to the vehicle speed region identified for each road type from the statistical traffic information per vehicle speed region classified by road types, and distributes it to a navigation device.


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