Patents by Inventor Arno Kahle

Arno Kahle 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).

  • Data communication system
    Patent number: 5049876
    Abstract: A dialogue system uses a three wire bus connecting a central station with a plurality of substations with two of the wires carrying an AC supply voltage and a third one of the wires carrying data by means of a closed loop of the AC carrying wires and the third wire. The central station uses a series connection of a data transmitter and a data receiver with the third data wire and each substation includes a data receiver in series with the data wire and a data transmitter between the data wire and both AC wires.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: September 17, 1991
    Assignee: Honeywell Inc.
    Inventors: Arno Kahle, Heinz Daab, Dieter Ehlers, Bernd Scheler