Patents by Inventor Arnoldus Ras

Arnoldus Ras 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).

  • Method of measuring the movement of an input device
    Publication number: 20050213106
    Abstract: A method of and an input device for measuring movement of an object (80) and the input device relative to each other, which movement comprises at least a scroll movement and a click movement, uses means (98,100,102) to determine the presence of the object on a window (78) of the input device. This allows measuring scroll movement and click movement with one sensor unit (92,94,96) of the input device and reduction of costs and size of the input device.
    Type: Application
    Filed: June 4, 2003
    Publication date: September 29, 2005
    Inventors: Aldegonda Weijers, Martin Liess, Carsten Heinks, Arnoldus Ras