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. 11, 2011
Filed:
Feb. 08, 2005
Yukiko Takeda, Tokorozawa, JP;
Hidenori Inouchi, Higashimurayama, JP;
Yukiko Takeda, Tokorozawa, JP;
Hidenori Inouchi, Higashimurayama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Mobile IPv6 assigns MN (Mobile Node) with a fixed home address in order to guarantee an arrival to MN. A SIP process of HA (Home Agent)is provided with a unit for notifying Binding information of MN to a presence server. Alternatively, the presence serveris provided with a unit for requesting HAfor the Binding information of MN. An information delivery serveris provided with a unit for acquiring a Care of Address of MN from the presence serverand selecting information corresponding to the Care of Address. Presence service can be provided to MN existing in a network other than a home network.