Patents by Inventor Hsuan-Lung Chung

Hsuan-Lung Chung 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).

  • Movement detection method for multiple objects on a capacitive touchpad
    Patent number: 8040324
    Abstract: In a movement detection method for multiple objects on a capacitive touchpad, the waveform of sensed values on the touchpad is monitored for its variation to determine respective movements of the objects on the touchpad, and various operational gestures are further determined exactly.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: October 18, 2011
    Assignee: Elan Microelectronics Corporation
    Inventors: Yen-Chang Chiu, Hsuan-Lung Chung, Tso-Chieh Yang