Patents by Inventor Heinz Hammerling

Heinz Hammerling 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 transmission system employing wire and wireless transmission paths
    Patent number: 4443786
    Abstract: A data transmission system using an alternating mains supply for a signal transmission path including a movable module having a data input device, a first transmitter coupled to the data input device for transmitting a first wireless transmission of data fed into the input device, a first receiver for receiving a second wireless transmission of data and an output device coupled to the first receiver for putting out data corresponding to the received second wireless transmission.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: April 17, 1984
    Assignee: Licentia Patent-Verwaltungs-GmbH
    Inventors: Heinz Hammerling, Werner Schairer