Patents by Inventor Stefan Leupers

Stefan Leupers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7966404
    Abstract: A system, comprising various methods and apparatus providing a transparent communication session setup and control for communication sessions involving different communication capabilities, is disclosed. The system receives a request for a communication session at a proxy apparatus, the request being originated from a first subscriber to the communication session using a first group of terminals. The system identifies at least a second subscriber to the communication session using a second group of terminals. The system evaluates types of communication being available for the first group of terminals and at least the second group of terminals on the basis of the request. The system sets up terminal sub-sessions from the proxy apparatus to the first group of terminals and to at least the second group of terminals according to types of communication being available for the first group of terminals and at least the second group of terminals.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: June 21, 2011
    Assignee: Telefonaktiebolaget L M Ericsson (Publ)
    Inventors: Jan Hedin, Frank Hundscheidt, George Vergopoulos, Jerker Widmark, Stefan Leupers
  • Publication number: 20040078468
    Abstract: A system, comprising various methods and apparatus providing a transparent communication session setup and control for communication sessions involving different communication capabilities, is disclosed. The system receives a request for a communication session at a proxy apparatus, the request being originated from a first subscriber to the communication session using a first group of terminals. The system identifies at least a second subscriber to the communication session using a second group of terminals. The system evaluates types of communication being available for the first group of terminals and at least the second group of terminals on the basis of the request. The system sets up terminal sub-sessions from the proxy apparatus to the first group of terminals and to at least the second group of terminals according to types of communication being available for the first group of terminals and at least the second group of terminals.
    Type: Application
    Filed: October 18, 2002
    Publication date: April 22, 2004
    Inventors: Jan Hedin, Frank Hundscheidt, George Vergopoulos, Jerker Widmark, Stefan Leupers
  • Publication number: 20040073685
    Abstract: A system, comprising various methods and apparatus providing a transparent communication session setup and control for communication sessions involving different communication capabilities, is disclosed. The system receives a request for a communication session at a proxy apparatus, the request being originated from a first subscriber to the communication session using a first group of terminals. The system identifies at least a second subscriber to the communication session using a second group of terminals. The system evaluates types of communication being available for the first group of terminals and at least the second group of terminals on the basis of the request. The system sets up terminal sub-sessions from the proxy apparatus to the first group of terminals and to at least the second group of terminals according to types of communication being available for the first group of terminals and at least the second group of terminals.
    Type: Application
    Filed: November 7, 2003
    Publication date: April 15, 2004
    Inventors: Jan Hedin, Frank Hundscheidt, George Vergopoulos, Jerker Widmark, Stefan Leupers