Patents by Inventor Alfred Bachner

Alfred Bachner 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).

  • Circuit arrangement for connecting at least two teleprinters to a common connection line
    Patent number: 4248319
    Abstract: An apparatus for connecting a selected one of two teleprinters to a common communication line includes a control unit associated with each teleprinter and an analysis circuit connected to both control units and to the common line through a line interface unit. The analysis circuit can sense an incoming teleprinter selection code and connect the selected teleprinter to the common line. Alternately, the analysis circuit can sense a teleprinter originated communication and connect that teleprinter to the communication line.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: February 3, 1981
    Assignee: Siemens Aktiengesellschaft
    Inventors: Alfred Bachner, Herbert Vogl