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. 23, 2013
Filed:
Nov. 24, 2009
Keiji Mizuma, Kawasaki, JP;
Tatsuhiro Ando, Kawasaki, JP;
Keiji Mizuma, Kawasaki, JP;
Tatsuhiro Ando, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A mobile communication system provided with a home address holding function unit storing one home address, as a representative home address, from among a plurality of home addresses and the rest as subordinate home addresses, a position registration request function unit creating a representative address set and subordinate address sets with the representative home address and subordinate home addresses, acquired from the holding function unit, and a corresponding representative care-of address and subordinate care-of addresses and further sending a position registration request by only the representative address set, and a position registration function unit receiving the representative home address and subordinate home addresses acquired from the holding function unit, creating subordinate address sets from the representative address set relating to the position registration request, and registering the position of the representative address set simultaneously with the registration of the positions of the subordinate address sets.