Patents by Inventor Bernd Prohaska

Bernd Prohaska 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: 7702313
    Abstract: Telecommunications terminal having a memory device to store user-specific data, having a transmission device whose input is connected to a memory device, where the memory device and the transmission device are designed to store at least one string of digits and to transmit it while a connection exists, and an authentication device to protect the user-specific data against unauthorized access are provided.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: April 20, 2010
    Assignee: Nokia Siemens Networks GmbH & Co. KG
    Inventors: Albrecht Goecke, Stephan Mentz, Stefan Prange, Bernd Prohaska, Heiner Thomfohrde, Ingo Weghorst
  • Patent number: 4726041
    Abstract: A digital filter switch for use with a data receiver incorporates first and second squaring units connected to the outputs of first and second band-pass filters tuned to the separation and character frequencies in a signal transmission. The outputs of the squaring units are interconnected via an adder to the input of a low-pass filter, which produces the output data signal.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: February 16, 1988
    Assignee: Siemens Aktiengesellschaft
    Inventors: Bernd Prohaska, Hans-Dieter Schwartz, Rudolf Winkelmann, Gerhard Zettl