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:
Apr. 24, 2007
Filed:
Dec. 19, 2001
Applicants:
Kazuoki Matsugatani, Kariya, JP;
Masumi Egawa, Handa, JP;
Inventors:
Kazuoki Matsugatani, Kariya, JP;
Masumi Egawa, Handa, JP;
Assignee:
DENSO Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q 7/24 (2006.01); H04L 12/28 (2006.01); H04L 12/66 (2006.01); G01S 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Base stations of a communication system belong to a sub-network, which is connected to the Internet by way of a gateway. Base stations of another communication system belong to sub-network, which is connected to the Internet by way of another gateway. A mobile terminal communicates with a server by using one of the communication systems. In this case, the mobile terminal includes mobile station network interfaces which can access to the communication systems, and is designed to switch communication systems by means of a communication system switching unit.