Patents by Inventor William Choo

William Choo 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).

  • Detecting and removing fibers
    Patent number: 8388096
    Abstract: In one embodiment, a method to detect and remove fibers comprises identifying blocked nozzles in a grouping of nozzles within a printhead, and triggering a fiber removal event if it is determined that a plurality of adjacent nozzles are blocked.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: March 5, 2013
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chin Lee Chee, Chiok Liang Tay, William Choo, Yew Khew Lan Chow Wing
  • DETECTING AND REMOVING FIBERS
    Publication number: 20110148981
    Abstract: In one embodiment, a method to detect and remove fibers comprises identifying blocked nozzles in a grouping of nozzles within a printhead, and triggering a fiber removal event if it is determined that a plurality of adjacent nozzles are blocked.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 23, 2011
    Inventors: Chin Lee Chee, Chiok Liang Tay, William Choo, Yew Khew Lan Chow Wing