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Dive into the research topics where Patrik Ljungström is active.

Publication


Featured researches published by Patrik Ljungström.


Archive | 2000

Verfahren zur Abrechnung von Internet-Geschäften über Mobilfunk

Ulrike Dr.rer.nat. Feuser; Michael Dr. Langer; Patrik Ljungström; Uwe Michel; Walter Mohrs; Johann Reindl; Leonhard Schmickler


Archive | 1998

Method and system for connecting subscribers participating in several telecommunication networks under one telephone number

Patrik Ljungström; Hubertus Gottschalk


Archive | 2001

Method and device for selectively controlling network selection in an area covered by at least two mobile communication networks

Andreas Hochscherff; Patrik Ljungström; Walter Mohrs; Georg Sanger


Archive | 1998

Zu einem öffentlichen mobilkommunikationssystem kompatibles schnurlos-kommunikationssystem

Patrik Ljungström; Walter Mohrs; Frieder Pernice


Archive | 1998

Method and device for routing signals in digital telecommunication systems

Hubertus Gottschalk; Patrik Ljungström


Archive | 2000

Procede de commande d'un distributeur d'articles et de facturation des articles emis

Michael Langer; Patrik Ljungström; Uwe Michel; Johann Reindl; Leonhard Schmickler


Archive | 2000

Procede et dispositif d'acces a un reseau de telecommunications et de tarification de services de telecommunications

Peter Brune; Ulrike Feuser; Michael Langer; Patrik Ljungström; Uwe Michel; Walter Mohrs; Wolfgang Ptacek


Archive | 2000

Method and device for accessing a telecommunication network and for billing telecommunication services

Peter Brune; Ulrike Feuser; Michael Langer; Patrik Ljungström; Uwe Michel; Walter Mohrs; Wolfgang Ptacek


Archive | 2000

Verfahren und Einrichtung zum Zugang zu einem Telekommunikationsnetz und zur Abrechnung von Telekommunikationsdienstleistungen Method and device for access to a telecommunications network and billing of telecommunications services

Peter Brune; Ulrike Feuser; Michael Langer; Patrik Ljungström; Uwe Michel; Walter Mohrs; Wolfgang Ptacek


Archive | 2000

Method and device for access to a telecommunications network and billing of telecommunications services.

Peter Brune; Ulrike Feuser; Michael Langer; Patrik Ljungström; Uwe Michel; Walter Mohrs; Wolfgang Ptacek

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