Patents by Inventor Chen Qingyan

Chen Qingyan 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 an enhanced enterprise streaming media server capacity and performance
    Patent number: 7260640
    Abstract: Streaming media servers are used to provide data streams of streaming media data to network devices across a communications network. In order to allow the servers to scale its processing as the number of data streams increases, these servers use a delay timer determination module for determining when a given CPU is to transfer its streaming media data corresponding to its group of data streams, a CPU wake up module for initiating an acceleration process for each CPU upon receipt of a signal from the delay timer determination module, and a plurality of CPU processing modules for transferring streaming media data corresponding to its group of data streams.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: August 21, 2007
    Assignee: Unisys Corproation
    Inventors: James P. Kramer, James R. McBreen, Laura M. Nissen, Thomas P. Sherren, Chen Qingyan, Michael R. Burch