Patents by Inventor Adrianus de Jong

Adrianus de Jong 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).

  • Regulating means for automatically adjusting a margining means in a copier to produce image-free image carrier zones in response to image positioning prior to image transfer
    Patent number: 4963931
    Abstract: A regulating device for copying machines used in forming an image of an original on an image carrier and transferring the formed image onto a receiving material in which the relative position of image and receiving material with respect to each other before the iamge transfer can be adjusted. The copying device is provided with a margining means which in response to said adjustment is automatically adjusted for rendering image-free all the zones of the image carrier in which image and receiving material do not coincide during the image transfer, so as to prevent contamination with image-forming material and the occurrence of undesired deposition of image-forming material on the image receiving material.
    Type: Grant
    Filed: July 30, 1986
    Date of Patent: October 16, 1990
    Assignee: OCE Nederland B.V.
    Inventors: Adrianus de Jong, Hendrikus J. J. van Soest