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. 30, 2006
Filed:
Feb. 25, 2004
Applicants:
Koji Tajima, Tokyo, JP;
Naoki Matsumoto, Tokyo, JP;
Hiroaki Ban, Tokyo, JP;
Kazuhiro Yamada, Yokohama, JP;
Inventors:
Koji Tajima, Tokyo, JP;
Naoki Matsumoto, Tokyo, JP;
Hiroaki Ban, Tokyo, JP;
Kazuhiro Yamada, Yokohama, JP;
Assignee:
NTT DoCoMo, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
When car navigation devicedetects that a vehicle has passed a toll gate, car navigation deviceoutputs a toll gate passage signal. When mobile communication terminalreceives the toll gate passage signal, mobile communication terminalaccesses from charge serveran entity of electronic toll collection system, the latest information on the balance in the prepaid account of the customer.