Patents by Inventor Xixian Chen

Xixian Chen 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 and device for input of text messages from a keypad
    Patent number: 5952942
    Abstract: A method of text entry into a device by activating keys of a keypad (16), where a key represents various characters. Input is delivered to a processor (30) corresponding to the keys activated. A dictionary (33) is searched for candidate combinations of characters corresponding to the keys activated. The candidate combinations are rank ordered, for example using language model data and feedback (14, 38) is provided to a user indicating at least a highest rank ordered candidate combination.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: September 14, 1999
    Assignee: Motorola, Inc.
    Inventors: Sreeram Balakrishnan, Xixian Chen, Yu Dong