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. 26, 2016

Filed:

Oct. 27, 2011
Applicants:

Koji Sengoku, Tokyo, JP;

Tadafumi Nogawa, Tokyo, JP;

Inventors:

Koji Sengoku, Tokyo, JP;

Tadafumi Nogawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/34 (2006.01); G08G 1/0968 (2006.01); G09B 29/10 (2006.01);
U.S. Cl.
CPC ...
G01C 21/34 (2013.01); G01C 21/3415 (2013.01); G08G 1/096811 (2013.01); G09B 29/106 (2013.01);
Abstract

Provided is a navigation system and the like capable of improving the utility value of the navigation route in response to a current request in consideration of a user position. In the navigation system of the present invention, when a current request Req(i)(i>1) including a current destination position p(i) that is the same as a previous destination position p(i−1), is made from a navigation device, a current support route R(i) is searched which has a location point p(i) that is on a previous support route R(i−1) and distant from the user position p(i) by a designated distance or more included in the request Req(i), as a starting point.


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