Patents by Inventor Adrianus M. de Vries

Adrianus M. de Vries 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 and apparatus for measuring the color distribution of an item
    Patent number: 5237407
    Abstract: A method and an apparatus for measuring the color distribution of an item wherein the item is rotated in the field of view of a camera and successive line images of the item parallel to the axis of rotation of the item are measured and the data contents of the picture elements of the successive line images of the surface of the item are processed. In an embodiment in which the camera is a matrix camera, the item is at the same time transported through the field of view of the camera and the successive line images of the item are obtained from successive video lines of the camera.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: August 17, 1993
    Assignee: Aweta B.V.
    Inventors: Leonard P. Crezee, Adrianus M. de Vries