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. 11, 2003
Filed:
Mar. 05, 2001
Ichiro Hatano, Tokyo-to, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A navigation terminal loaded in a vehicle is provided with a wireless communication device connectable to a movable communications network and a present position detection device and instructs implementation of a predetermined navigation function. The gateway apparatus connects the movable communications network and the Internet and implements protocol conversion and charging processing. A navigation server 6 acquires positional data of the vehicle from the navigation terminal via the Internet , discriminates map data to be a distribution object to the navigation terminal , and generates navigation information based on the instructed navigation function to provide it to the navigation terminal . A map server reads map data discriminated as the distribution object from a map data base accumulating map data and distributes them to the navigation terminal via the Internet