Patents by Inventor Anna Yaping Deer

Anna Yaping Deer 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).

  • Gamut mapping by controlling minimum and maximum color changes
    Patent number: 7751081
    Abstract: A method of gamut mapping includes the steps of defining a mapping function establishing a continuous first derivative of change of at least one color space component from a first color gamut to a second color gamut, and applying the function to first color gamut data for the at least one color space component.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: July 6, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Xuan-Chao Huang, Anna Yaping Deer, Brant Dennis Nystrom, Richard Lee Reel
  • Method of correcting neutral color shifts caused by cartridge variations
    Patent number: 7656554
    Abstract: A method for correcting neutral color shift in a production cartridge for use in an imaging system includes determining a colorant increment data based on a standard cartridge neutral variation signature color data and a standard cartridge neutral sensitivity signature color data associated with a standard cartridge, and based on a production cartridge neutral variation signature color data and a production cartridge neutral sensitivity signature color data associated with the production cartridge, and using the colorant increment data to correct the neutral color shift.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: February 2, 2010
    Assignee: Lexmark International, Inc.
    Inventors: Anna Yaping Deer, Xuan-Chao Huang, Brant Dennis Nystrom, Richard Lee Reel
  • Method and system for correcting color shift caused by printing with an imaging system using multiple cartridges
    Patent number: 7192113
    Abstract: A method of correcting color shift caused by printing with an imaging system using a first cartridge and a second cartridge different from the first cartridge includes determining individual cartridge characterization data based on each of the first cartridge and the second cartridge individually; determining combined cartridge characterization data that characterizes a usage combination of the first cartridge and the second cartridge; and determining color correction data based on the individual cartridge characterization data and the combined cartridge characterization data.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: March 20, 2007
    Assignee: Lexmark International, Inc.
    Inventors: Anna Yaping Deer, Xuan-Chao Huang, Brant Dennis Nystrom, Richard L. Reel
  • Method for calibrating production printing cartridges for use in an imaging system
    Patent number: 7059701
    Abstract: A method for calibrating a production printing cartridge for use in an imaging system includes the steps of obtaining first standard cartridge signature color data associated with a standard printing cartridge and a first substrate, obtaining second standard cartridge signature color data associated with the standard printing cartridge and a second substrate, obtaining first production cartridge signature color data associated with the production printing cartridge and the first substrate, and estimating second production cartridge signature color data associated with the production printing cartridge and the second substrate based on the first standard cartridge signature color data, the second standard cartridge signature color data, and the first production cartridge signature color data.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: June 13, 2006
    Assignee: Lexmark International, Inc.
    Inventors: Anna Yaping Deer, Xuan-Chao Huang, Brant Dennis Nystrom, Richard Lee Reel