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:
Jul. 22, 2003
Filed:
Jun. 28, 1999
Hiroshi Takubo, Hiroshima, JP;
Kenichiro Sakai, Kawasaki, JP;
Fijitsu Limited, Kawasaki, JP;
Abstract
An apparatus and a method for performing a call control in a mobile communication system including a home location register storing subscriber data for a home subscriber, a mobile switching center storage storing call connection information and a visitor location register for storing subscriber data for a roaming subscriber. The present invention determines in response to a service request signal that subscriber data is to be stored in the visitor location register and that there is no area therein for storing the subscriber data and based on the determining, retrieves the subscriber data from the home location register and stores the retrieved data in the mobile switching center storage area or overwrites the retrieved data in the visitor location register area.