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:
Nov. 08, 2011
Filed:
Sep. 11, 2008
Keiji Machida, Yokohama, JP;
Hironari Kobayashi, Iruma, JP;
Hiroshi Nakamura, Nerima-ku, JP;
NTT DoCoMo, Inc., Chiyoda-ku, Tokyo, JP;
Abstract
The unnecessarily increase of the information amount of subscriber information retained by a local subscriber information management device is prevented even if the number of subscribers increases, so that the limit of the number of subscribers is extended to support the increasing number of subscribers without increasing the capacity of subscriber information retaining means in the local station (local subscriber information management device). Based on information contained in subscriber management informationincluding information representing each mobile terminalacquired by local stationsof a mobile communication systemand subscriber information corresponding to each mobile terminal, the relevant subscriber management informationare selected and processed to be prevented from being retained after call control is performed according to the acquired subscriber management information.