Patents by Inventor Gerhard Ruopp

Gerhard Ruopp 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 establishing and terminating a data connection
    Patent number: 4434326
    Abstract: In a circuit arrangement for establishing and terminating a connection in a subscriber communication system, the arrangement including a data transmission device arranged to be connected to an associated subscriber line of the system and including a data terminal, a line connection device fed by the terminal, an automatic dialing device, a current supply fed through the subscriber line and a control device for performing and monitoring the sequence of individual operating states of the data transmitting device, a memory unit is connected for storing a representation of at least one operating state of the data transmission device.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: February 28, 1984
    Assignee: Licentia Patent-Verwaltungs-GmbH
    Inventors: Klaus Koeck, Wolfgang Bambach, Gerhard Ruopp, Frank Mikley