Patents by Inventor Anne P. Kadonaga

Anne P. Kadonaga 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).

  • Method for reducing pixel density along a plurality of axes of a multiple dimension image representation
    Patent number: 5748856
    Abstract: Techniques are disclosed for depleting raster data to provide for faster printing and also to allow printing of the depleted raster data, with a printed dot size that is larger that would otherwise be utilized with the undepleted raster data, on a pixel grid having the resolution of the undepleted raster data. Also disclosed is a technique for up scaling raster data at a particular resolution (e.g., 300 dpi) is scaled in such a manner that the upscaled raster data includes only printed pixels that correspond one-to-one with the printed pixels of the original data and wherein the relative locations of the printed pixels of the original data are maintained in the up scaled raster data. Further disclosed is a technique for printing a pixel array having a particular resolution with a print element array having print elements disposed for printing at a lesser resolution.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: May 5, 1998
    Assignee: Hewlett-Packard Company
    Inventors: Alan E. Cariffe, Anne P. Kadonaga, Steven L. Bass, Iue-Shuenn Chen
  • Double axis dot depletion for 600 DPI edge acuity with 300 DPI print cartridge
    Patent number: 5574832
    Abstract: Techniques are disclosed for depleting raster data to allow printing of the depleted raster data on a grid that corresponds to the resolution of the undepleted raster data with a printed dot size that is larger that would otherwise be utilized with the undepleted raster data and to achieve faster ink dry time. Also disclosed is a technique for up scaling raster data at a particular resolution (e.g., 300 dpi) to a higher resolution in such a manner that expanded data includes a greater number of dot producing pixels to compensate for a dot size that is larger than the dot size that is appropriate for the higher resolution, and does not require horizontal depletion for printing with such dot size. This allows raster data at a particular resolution to be combined with higher resolution rasterized vector data for printing in accordance with the enhanced mode of operation.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: November 12, 1996
    Assignee: Hewlett-Packard Corporation
    Inventors: David C. Towery, Alan E. Cariffe, Janet E. Mebane, Anne P. Kadonaga, Iue-Shuenn Chen, Mark Overton
  • Method for reducing pixel density along a plurality of axes of a multiple dimension image representation
    Patent number: 5559930
    Abstract: Techniques are disclosed for depleting raster data to provide for faster printing and also to allow printing of the depleted raster data, with a printed dot size that is larger that would otherwise be utilized with the undepleted raster data, on a pixel grid having the resolution of the undepleted raster data. Also disclosed is a technique for up scaling raster data at a particular resolution (e.g., 300 dpi) is scaled in such a manner that the upscaled raster data includes only printed pixels that correspond one-to-one with the printed pixels of the original data and wherein the relative locations of the printed pixels of the original data are maintained in the up scaled raster data. Further disclosed is a technique for printing a pixel array having a particular resolution with a print element array having print elements disposed for printing at a lesser resolution.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: September 24, 1996
    Assignee: Hewlett-Packard Company
    Inventors: Alan E. Cariffe, Anne P. Kadonaga, Steven L. Bass, Iue-Shuenn Chen
  • Method for reducing pixel density along one axis of a multiple dimension image representation
    Patent number: 5502792
    Abstract: Techniques are disclosed for depleting raster data to provide for faster printing and also to allow printing of the depleted raster data, with a printed dot size that is larger that would otherwise be utilized with the undepleted raster data, on a pixel grid having the resolution of the undepleted raster data. Also disclosed is a technique for up scaling raster data at a particular resolution (e.g., 300 dpi) is scaled in such a manner that the upscaled raster data includes only printed pixels that correspond one-to-one with the printed pixels of the original data and wherein the relative locations of the printed pixels of the original data are maintained in the up scaled raster data. Further disclosed is a technique for printing a pixel array having a particular resolution with a print element array having print elements disposed for printing at a lesser resolution.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: March 26, 1996
    Assignee: Hewlett-Packard Company
    Inventors: Iue-Shuenn Chen, Alan E. Cariffe, Anne P. Kadonaga
  • Multiple pass printing for achieving increased print resolution
    Patent number: 5469198
    Abstract: Techniques are disclosed for depleting raster data to provide for faster printing and also to allow printing of the depleted raster data, with a printed dot size that is larger that would otherwise be utilized with the undepleted raster data, on a pixel grid having the resolution of the undepleted raster data. Also disclosed is a technique for up scaling raster data at a particular resolution (e.g., 300 dpi) is scaled in such a manner that the upscaled raster data includes only printed pixels that correspond one-to-one with the printed pixels of the original data and wherein the relative locations of the printed pixels of the original data are maintained in the up scaled raster data. Further disclosed is a technique for printing a pixel array having a particular resolution with a print element array having print elements disposed for printing at a lesser resolution.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: November 21, 1995
    Assignee: Hewlett-Packard Company
    Inventor: Anne P. Kadonaga