Patents by Inventor Andreas T. Heynen

Andreas T. Heynen 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).

  • Control means for varying the image-free edge zones of a copy in a reproduction device
    Patent number: 4674864
    Abstract: In a reproduction device for making simplex or duplex copies having image-free side margins of the desired width, means are provided for supplying to the process control unit of the device data concerning the width of each of two oppositely situated image-free side margins of the original to be reproduced and the required minimum width of the corresponding side margins on the copies to be produced and calculating in the process control unit the imaging ratio and an adjustment or activation time of at least one of the copy forming process functions and then they control the copying process in accordance with these calculated values.
    Type: Grant
    Filed: January 23, 1986
    Date of Patent: June 23, 1987
    Assignee: Oce-Nederland B.V.
    Inventors: Addy G. F. Stakenborg, Andreas T. Heynen, Gerardus J. M. Hendericks