Patents by Inventor Alvin D. Scholten

Alvin D. Scholten 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).

  • Electronic screening
    Patent number: 5040080
    Abstract: A method of forming a plurality of printing screens, each having a selected frequency and angle, from a single masterdot of mxm elements where each element specifies a weight accorded a printing signal.
    Type: Grant
    Filed: June 6, 1989
    Date of Patent: August 13, 1991
    Inventor: Alvin D. Scholten
  • Colorgraphic reproduction system
    Patent number: 4974070
    Abstract: A color reproduction controller accesses corrected color values for driving an output color reproduction device by forming, for each color value of each pixel to be reproduced, a data pointer comprising a first word portion of a first color value and second and third word portions of second and third color values, the second and third word portions being smaller than the first word portion. The resultant words are smaller than those of the combined length of the color values from which they are formed and result in significantly smaller memory space.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: November 27, 1990
    Assignee: Howtek, Inc.
    Inventors: Allan G. Hock, Peter A. Supry, Alvin D. Scholten