Patents by Inventor Richard D. Haadsma

Richard D. Haadsma 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).

  • Harmonizing color selection system and method
    Patent number: 6870544
    Abstract: A system and method for calculating harmonizing colors based on a reference color. In a first embodiment, the invention includes (a) defining a reference color in a uniform color space, (b) converting the hue of the reference color from the uniform color space to an artists color wheel, (c) determining harmonizing colors for the reference color within the artists color wheel, (d) converting the hues of the harmonizing colors from the artists color wheel to the uniform color space, and (e) displaying the harmonizing color information. In a second embodiment, a brown region is defined for colors having red/orange/yellow hues and low chroma values. Additional harmonizing colors are determined when either the reference color or one of the harmonizing colors falls within the brown region.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: March 22, 2005
    Assignee: X-Rite, Incorporated
    Inventors: Clark E. Blanchard, Richard D. Haadsma
  • Harmonizing color selection system and method
    Publication number: 20020089513
    Abstract: A system and method for calculating harmonizing colors based on a reference color. In a first embodiment, the invention includes (a) defining a reference color in a uniform color space, (b) converting the hue of the reference color from the uniform color space to an artists color wheel, (c) determining harmonizing colors for the reference color within the artists color wheel, (d) converting the hues of the harmonizing colors from the artists color wheel to the uniform color space, and (e) displaying the harmonizing color information. In a second embodiment, a brown region is defined for colors having red/orange/yellow hues and low chroma values. Additional harmonizing colors are determined when either the reference color or one of the harmonizing colors falls within the brown region.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 11, 2002
    Inventors: Clark E. Blanchard, Richard D. Haadsma