Patents by Inventor Stefan Badur

Stefan Badur 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).

  • Publication number: 20040175677
    Abstract: The invention relates to a device for the punctiform representation of graphical information which may be read by touch, in particular for the representation of Braille script, comprising a support sheet, a number of systematically-arranged touch points and actuators for activating or deactivating selected touch points, whereby the touch points are formed such as to be integral with the support sheet. The touch points (2) have a touch region, which, in the activated state, extends above the plane formed by the touch surface of the support sheet and a flexible boundary region between the support sheet and the touch region and an erasing element is provided bring all the touch points into the activated state, or into the deactivated state, by means of a return spring action on the touch region on or below the plane formed by the touch surface on the support sheet.
    Type: Application
    Filed: November 28, 2003
    Publication date: September 9, 2004
    Inventors: Andreas Koch, Stefan Badur, Alexander Wilhelms