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. 29, 2012

Filed:

Nov. 03, 2005
Applicants:

Chul-hwan Lee, Yongin-si, KR;

Woo-chan Chung, Seongnam-si, KR;

Inventors:

Chul-Hwan Lee, Yongin-si, KR;

Woo-Chan Chung, Seongnam-si, KR;

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

A navigation device is provided. The device includes a driving state tracker for tracking a mobile driving state using a current mobile position and RGI (Route Guidance Information) data including driving information on multi-routes from the current mobile position to a destination, and outputting deviation information and the current mobile position when a mobile object is deviated from a route; and a re-routing unit for searching partial routes from a mobile deviation position to each of the multi-routes using the deviation information, the current mobile position and the driving information on the multi-routes, and re-routing a route to the destination using each of the partial routes.


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