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:
May. 10, 2005
Filed:
Jul. 31, 2002
Akira Nagamune, Tokyo-to, JP;
Akira Nagamune, Tokyo-to, JP;
Pioneer Corporation, Tokyo-to, JP;
Increment P Corporation, Tokyo-to, JP;
Abstract
A communication navigation system that performs navigation, using map data stored in a map database site and current position data about navigation terminals, by transmitting the map data to the navigation terminals via a communication network such as the Internet, wherein the map data includes data units respectively corresponding to a plurality of display elements for display on a map, and the data units are given respective priority levels. The map database site is provided with a server for transmitting the data units via the communication network according to the respective priority levels. Each navigation terminal is provided with a transmitter/receiver for sequentially receiving the data units transmitted from the server, and a display subsystem for sequentially displaying the display elements respectively corresponding to the data units received by the transmitter/receiver, on the map.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile