Patents by Inventor Ping (Robert) Du

Ping (Robert) Du 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).

  • Publication number: 20070048697
    Abstract: Interactive language learning techniques may be described. An apparatus may comprise a remote control receiver to receive user commands, a receiver to receive voice information, and a virtual language tutor module. The virtual language tutor module may have a user interface module and a speech evaluation engine. The user interface module may respond to user commands to control the virtual language tutor module. The speech evaluation engine may analyze a speech characteristic of the voice information and provide feedback information for the speech characteristic. Other embodiments are described and claimed.
    Type: Application
    Filed: October 19, 2006
    Publication date: March 1, 2007
    Inventors: Ping (Robert) Du, Kan Liang, Luhai Chen