Patents by Inventor Helmut Angermuller

Helmut Angermuller 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).

  • Patent number: 6100869
    Abstract: In an illuminating system for a display screen device, there is at least one lamp located in an accessory unit (2). This lamp (3) is connected via a light guide (4) with a display field (6) of the display screen device (1). This arrangement serves for illumination of the display field (6) by transmitted light. In order that the display screen device (1) can be removed without the lamp (3), the light guides (4) at the transition between accessory unit (2) and display screen device (1) are interrupted and have a light output surface (7) of the accessory unit and a light input surface (8) of the screen device.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: August 8, 2000
    Assignees: Mannesmann VDO AG, Mannesmann AG
    Inventors: Helmut Angermuller, Josef Heimann
  • Patent number: 4631678
    Abstract: The invention relates to an information input for a navigation device for highway vehicles in connection with which map markings which represent optically readable information and can be read by a reading device and fed to a data processing unit of the navigation device can be associated with a map, in particular a road map. A mark 6 can be associated with a starting or target point on the map and optically readable location markings 2 and 3 can be read by the reading device in the associated position of the mark 6 to the starting or target point.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: December 23, 1986
    Assignee: VDO Adolf Schindling AG
    Inventors: Helmut Angermuller, Gunther Hahlganss