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:
Jan. 11, 2005
Filed:
Jul. 31, 2002
Applicant:
Akira Nagamune, Tokyo-to, JP;
Inventor:
Akira Nagamune, Tokyo-to, JP;
Assignees:
Pioneer Corporation, Tokyo-to, JP;
Increment P Corporation, Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 2134 ;
U.S. Cl.
CPC ...
Abstract
A communication navigation system includes a server that transmits route guidance information to terminal units via a communication network, and a transmitter/receiver, provided in each terminal unit, for transmitting specification data that specifies a type of necessary route guidance information, to the server via the communication network. The server transmits only the route guidance information of the type specified by the specification data, to the terminal unit.