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:
Feb. 05, 2008
Filed:
Jul. 16, 2003
Yukiko Takeda, Tokorozawa, JP;
Hidenori Inouchi, Higashimurayama, JP;
Keisuke Takeuchi, Kunitachi, JP;
Shinsuke Suzuki, Kawasaki, JP;
Yukiko Takeda, Tokorozawa, JP;
Hidenori Inouchi, Higashimurayama, JP;
Keisuke Takeuchi, Kunitachi, JP;
Shinsuke Suzuki, Kawasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A communication method and system allowing MN (mobile nodes) to acquire a home address in a visited network. The communication system includes a home network installed with a home agent for holding mobile terminal location information and, a visited network installed with a radio communications device for communicating with that mobile terminal, and gateway equipment in the visited network for forming an interface with the home network. The radio communication device includes an access request transfer unit for forwarding access requests from a mobile terminal of the visited network to the gateway equipment which makes an acquisition request to the home agent for an identifier of that mobile terminal, and forwards that acquired identifier to that mobile terminal.