Patents by Inventor Catherine Ka Gee Hu

Catherine Ka Gee Hu 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).

  • Patent number: 7411866
    Abstract: The present invention relates to a user interface system that is acoustically operated for the control of connected devices. Through the interface, acoustic sounds, such as tap, can be distinguished from less than 10 cm apart.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: August 12, 2008
    Assignee: The Hong Kong Polytechnic University
    Inventors: Catherine Ka Gee Hu, Kinsun Kin Sun Tung, Lawrence Ming Tat Lau