Patents by Inventor Yunqui Rachel Wang

Yunqui Rachel Wang 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 DETERMINING THE LOCATION OF A POINTER IN A POINTER INPUT REGION, AND INTERACTIVE INPUT SYSTEM EXECUTING THE METHOD
    Publication number: 20110115746
    Abstract: An interactive input system comprises a touch surface, and imaging system associated with the touch surface and processing structure. The imaging system comprises an optical sensor array that spans at least a portion of the area of the touch surface, and the processing structure communicates with the imaging system and analyzes images received by the imaging system to determine whether at least one pointer is near to the touch surface and the location of the at least one pointer in respect of the touch surface based at least in part on the edge sharpness of the at least one pointer.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 19, 2011
    Applicant: SMART Technologies Inc.
    Inventors: YUNQUI (RACHEL) WANG, Grant McGibney, Gerald Morrison
  • METHOD FOR CALIBRATING AN INTERACTIVE INPUT SYSTEM AND INTERACTIVE INPUT SYSTEM EXECUTING THE CALIBRATION METHOD
    Publication number: 20100079385
    Abstract: A method of calibrating an interactive input system comprises receiving images of a calibration video presented on a touch panel of the interactive input system. A calibration image is created based on the received images, and features are located in the calibration image. A transformation between the touch panel and the received images is determined based on the located features and corresponding features in the calibration video.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 1, 2010
    Applicant: SMART TECHNOLOGIES ULC
    Inventors: DAVID E. HOLMGREN, George Clarke, Roberto A.L. Sirotich, Edward Tse, Yunqui Rachel Wang, Joe Wright, Grant McGibney