Patents by Inventor Qizhi Joanna Xu

Qizhi Joanna Xu 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).

  • Gesture recognition method and interactive input system employing same
    Patent number: 9262016
    Abstract: A gesture recognition method comprises capturing images, processing the images to identify at least two clusters of touch points associated with at least two pointers, recognizing a gesture based on motion of the clusters, and updating a display in accordance with the recognized gesture.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: February 16, 2016
    Assignee: SMART Technologies ULC
    Inventors: Grant McGibney, Qizhi Joanna Xu, Erik Benner, Edward Tse
  • GESTURE RECOGNITION METHOD AND INTERACTIVE INPUT SYSTEM EMPLOYING SAME
    Publication number: 20120013529
    Abstract: A gesture recognition method comprises capturing images, processing the images to identify at least two clusters of touch points associated with at least two pointers, recognizing a gesture based on motion of the clusters, and updating a display in accordance with the recognized gesture.
    Type: Application
    Filed: January 5, 2010
    Publication date: January 19, 2012
    Applicant: SMART TECHNOLOGIES ULC.
    Inventors: Grant McGibney, Qizhi Joanna Xu, Erik Benner, Edward Tse