Patents by Inventor Jan Elizabeth Casey

Jan Elizabeth Casey 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 and apparatus for image registration
    Patent number: 7703873
    Abstract: A method of registering an image onto a sheet of media on an imaging surface of a printer having a printhead for imaging onto the sheet, comprising: detecting a position of said sheet of media being advanced onto the imaging surface using a first sensor positioned along said media path upstream of the printhead; and firing the printhead at a time based on the detected position and a calibrated distance between the sensor and the printhead.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: April 27, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Hsue-Yang Liu, Jan Elizabeth Casey, Weiyun Sun, Thieu X. Dang, Edward L. Feldhousen
  • Method and apparatus for image registration
    Publication number: 20080225065
    Abstract: A method of registering an image onto a sheet of media on an imaging surface of a printer having a printhead for imaging onto the sheet, comprising: detecting a position of said sheet of media being advanced onto the imaging surface using a first sensor positioned along said media path upstream of the printhead; and firing the printhead at a time based on the detected position and a calibrated distance between the sensor and the printhead.
    Type: Application
    Filed: March 15, 2007
    Publication date: September 18, 2008
    Inventors: Hsue-Yang Liu, Jan Elizabeth Casey, Weiyun Sun, Thieu X. Dang, Edward L. Feldhousen