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:
Mar. 15, 2005
Filed:
Aug. 06, 2002
Yuusuke Nakane, Tokyo-to, JP;
Motohiko Takayanagi, Tokyo-to, JP;
Toyohiro Takenaka, Kawagoe, JP;
Atsuhiko Fukushima, Kawagoe, JP;
Toru Fujita, Kawagoe, JP;
Yuusuke Nakane, Tokyo-to, JP;
Motohiko Takayanagi, Tokyo-to, JP;
Toyohiro Takenaka, Kawagoe, JP;
Atsuhiko Fukushima, Kawagoe, JP;
Toru Fujita, Kawagoe, JP;
Pioneer Corporation, Tokyo-to, JP;
Abstract
A certain amount of basic map data is installed into the map data storage medium in the navigation apparatus at the time of initial setting or the like (this process will be hereinafter referred to as 'pre-install'), and thereafter the user connect to the map data providing center to download necessary data according to need. Thus, the present invention offers efficient method of obtaining map data in the communication-type navigation system.