Patents by Inventor Manfred Karl Pruessner

Manfred Karl Pruessner 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).

  • Signal processor for narrow band sonar signals
    Patent number: 5751658
    Abstract: A digital signal processor wherein a bit stream containing correlation inmation for a large sample size is converted into several basic correlation functions, each of which covers a small number of samples within the large input sample. Each basic correlation function is examined to determine whether it contains a valid sonar signal, and the original bit stream is then integrated over those time periods for which the corresponding basic correlation functions indicate the presence of a valid sonar signal. The resulting optimized digital correlation function is converted into an analog signal.
    Type: Grant
    Filed: September 1, 1970
    Date of Patent: May 12, 1998
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Manfred Karl Pruessner