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.:
Date of Patent:
Aug. 07, 2012
Filed:
Dec. 14, 2006
Minoru Sekine, Shinagawa, JP;
Masaaki Ohira, Iwaki, JP;
Hirofumi Otsuka, Shinagawa, JP;
Hitoshi Konishi, Haga, JP;
Masayuki Arai, Haga, JP;
Toshihide Yofu, Haga, JP;
Yuji Yokota, Haga, JP;
Minoru Sekine, Shinagawa, JP;
Masaaki Ohira, Iwaki, JP;
Hirofumi Otsuka, Shinagawa, JP;
Hitoshi Konishi, Haga, JP;
Masayuki Arai, Haga, JP;
Toshihide Yofu, Haga, JP;
Yuji Yokota, Haga, JP;
Alpine Electronics, Inc., Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Mobilemedia Brain Association, Inc., Tokyo, JP;
Abstract
A map data update method for updating nationwide updated version map data using route-specific update data is disclosed. This method has a step of creating route-specific update data, comprising update data for all routes which have been newly opened since the time of release of the nationwide updated version map data; a step of storing a plurality of route-specific update data sets with different creation dates; a step of, when updating the nationwide updated version map data of the time of release stored in a navigation apparatus in use of a prescribed first route-specific update data which has been stored, storing pre-update map files necessary to restore the nationwide updated version map data; and a step of using the first route-specific update data to update the nationwide updated version map data.