Patents by Inventor Staffan Sjödin

Staffan Sjödin 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).

  • ISDN call processing
    Patent number: 6754237
    Abstract: Method and apparatus for setting up a connection between a first terminal and a second terminal over an Integrated Services Digital Network (ISDN) link having one or more bearer channels that allow a user-selected protocol are provided. The terminals support a plurality of possible software protocols for use on the bearer channels. In order to facilitate new types of ISDN protocols on an existing system, the method includes the step of separating the protocol software into a generic module containing generic ISDN encoding/decoding protocols and into protocol specific modules containing specific types of ISDN encoding/decoding protocols.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: June 22, 2004
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Per Josefsson, Carina Lind, Staffan Sjödin
  • Shared communications protocol layer for interfacing between wireless networks
    Patent number: 6631140
    Abstract: A plurality of client applications in respective microcellular communication networks communicate with a server in a macrocellular communication network via a shared communications protocol layer.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: October 7, 2003
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventor: Staffan Sjödin