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:
Oct. 29, 2013

Filed:

Apr. 25, 2008
Applicants:

Souju Goto, Yokohama, JP;

Hideyuki Nagatomo, Kawasaki, JP;

Inventors:

Souju Goto, Yokohama, JP;

Hideyuki Nagatomo, Kawasaki, JP;

Assignee:

Kabushiki Kaisha Kenwood, Hachiouji-shi, Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a navigation device which can automatically display on a map screen, an icon of a facility, information of which is not held in the navigation device. According to the navigation device (), when it is judged that content information received from a roadside radio device () contains 'object facility coordinate information' and 'icon image information', these information are written into a facility information table (). When displaying a map screen and an existing facility icon on a display unit (), it is judged whether the facility information table () contains facility icon information having coordinate information contained within a range indicated by the map screen. If YES, the corresponding facility icon is overlay-displayed on the map screen and the existing facility icon.


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