Patents by Inventor Manfred Pignitter

Manfred Pignitter 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).

  • Switching system with separate control connection to remote branch exchanges
    Patent number: 7095839
    Abstract: Disclosed is a telecommunication switching system for switching incoming and/or outgoing calls with several or different branch exchanges, comprising at least one input channel and at least one output channel which is connected to a branch exchange. The output channel provides both a voice connection and a control connection giving direct access to the operator-relevant PBX functionality of the branch exchange which is connected via the output channel.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: August 22, 2006
    Assignee: Ericsson Austria GmbH
    Inventors: Ernst Flege, Manfred Pignitter