Patents by Inventor Johannes H. A. M. Melis

Johannes H. A. M. Melis 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).

  • Portable element for receiving, storing, displaying and outputting digital data, and a reservation device for use in a reservation system
    Patent number: 4298793
    Abstract: A portable element shaped as a card, for receiving, storing, displaying and outputting data in numerical or alphanumerical characters, for temporarily communicating with a locally present reservation system and to exchange data therewith. The reservation system communicates with a service facility which is not locally present such as a transport vehicle. On the basis of an actual or forecast staus of the service facility, reservation data are applied to the portable element, and are displayed thereon, and also applied to the service facility. The contactless communication between portable element and reservation device can be initiated by a proximity signal.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: November 3, 1981
    Assignee: U.S. Philips Corporation
    Inventors: Johannes H. A. M. Melis, Willem Le Mair