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. 16, 2002
Filed:
Jul. 16, 1999
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
To provide a mobile integrated intelligent network as basis for a pan-European universal railway communication system wherein a local control is enabled for subscribers roaming internationally it is proposed to provide a service switching means (SSF) for this mobile integrated intelligent network with an interrogation means ( ) adapted to receive at least a routable number from a service control unit ( ) in accordance with a functional number supplied thereto. Further, the service switching unit (SSF) comprises an address storage unit ( - -n) storing an address of the service control unit ( ) such that the interrogation is directed to a local service control unit ( ) in the event of international roaming.