Patents by Inventor Karl W. Seitz

Karl W. Seitz 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: 4756007
    Abstract: In a modem that transmits signals to and receives signals from a remote device at a multiplicity of communication rates, the quality of the channel is monitored, a communication rate is selected based on the channel quality, the desire for an increased rate is indicated, and the increased rate is implemented by the modem when the remote device concurs.
    Type: Grant
    Filed: March 8, 1984
    Date of Patent: July 5, 1988
    Assignee: Codex Corporation
    Inventors: Shahid U. H. Qureshi, Karl W. Seitz, Robert M. Wilson