Patents by Inventor Chung-Chung Wang

Chung-Chung 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).

  • System and method for providing a voice call waiting during an active data call
    Publication number: 20030232629
    Abstract: A method and system is disclosed for admitting a voice call while a mobile station (MS) is engaging in a data call in a telecommunication network. First, a predetermined message is sent from a base station (BS) to the MS prohibiting the MS from initiating a data call for a predetermined period of time after receiving the predetermined message. The BS then releases a communication channel to be used for the voice call, and initiates the voice call, and the data call is reconnected after either voice call is completed.
    Type: Application
    Filed: December 19, 2002
    Publication date: December 18, 2003
    Applicant: Nortel Networks Limited
    Inventors: Ke-Chi Jang, Chung-Chung Wang, Geng Wu