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:
Oct. 18, 2005
Filed:
Sep. 09, 2003
Applicants:
Takeharu Arakawa, Saitama, JP;
Yuji Koga, Saitama, JP;
Inventors:
Takeharu Arakawa, Saitama, JP;
Yuji Koga, Saitama, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G001/13 ;
U.S. Cl.
CPC ...
Abstract
In a location confirmation system, one navigation terminal connects a line to an information center to transmit timing information, and the information center identifies other navigation terminals for exchanging information indicating current locations to transmit the timing information to them. Thereafter, other navigation terminals having received the timing information and one navigation terminal transmit and receive the information indicating each current location at almost equal timing in accordance with the timing information.