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. 02, 2012
Filed:
Mar. 14, 2008
Tsuyoshi Mabuchi, Tokyo, JP;
Tetsuo Inoue, Tokyo, JP;
Tsuyoshi Mabuchi, Tokyo, JP;
Tetsuo Inoue, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A plurality of database hosts hold subscriber information in a distributed manner. A retrieval server processes inquires (host retrieval requests) on which of the database hosts has desired subscriber information stored therein. The retrieval server includes a plurality of processors, and the plurality of processors performs processing in parallel. Therefore, inquiries can be processed at a high speed. Further, a conversion information database and a host information database are provided as in-memory databases, which allow inquiry processes to be processed at a high speed. A call control server can efficiently acquire subscriber information from the database host based on the result of an inquiry made to the retrieval server.