Patents by Inventor Si Nan Shangguan

Si Nan Shangguan 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: 9124774
    Abstract: A method used in a service providing device for delivering interactive multimedia content to a plurality of client devices, comprising: receiving a request for the interactive multimedia content, from at least one of the plurality of client devices; disabling the plurality of client devices from sending the request to the service providing device, according to a predetermined condition; and delivering the interactive multimedia content to the plurality of client devices.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: September 1, 2015
    Assignee: THOMSON LICENSING
    Inventors: Jun Xu, Jun Li, Lin Du, Si Nan Shangguan
  • Patent number: 8335191
    Abstract: A method and apparatus are described for content delivery, including receiving content from a first network, moving into a coverage area of a second network, performing a handover, receiving content from the second network and dropping any duplicate content packets. Also described are a method and apparatus for content delivery including receiving content from a first network, performing a handover, receiving content from a second network, determining if any content is missing and requesting the missing content.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: December 18, 2012
    Assignee: Thomson Licensing
    Inventors: Jun Li, Kai Xie, Yun Tao Shi, Si Nan Shangguan
  • Patent number: 8325589
    Abstract: A method and apparatus are described for performing a handover in a content delivery system, including performing the handover from a first network to a second network at a protocol layer determined based on whether a content stream identification file used by said first network is paired with a content stream identification file used by said second network. Also described are a method and apparatus for performing a handover in a content delivery system, including performing the handover from a first network to a second network at a protocol layer determined based on whether a same content stream identification file used by the first network is used by the second network. Further described are a method and apparatus for performing a handover in a content delivery system, including performing the handover from a first network to a second network at one of an application layer, a network layer and a media access control layer.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: December 4, 2012
    Assignee: Thomson Licensing
    Inventors: Jun Li, Kai Xie, Yun Tao Shi, Si Nan Shangguan
  • Publication number: 20100250655
    Abstract: A method used in a service providing device for delivering interactive multimedia content to a plurality of client devices, comprising: receiving a request for the interactive multimedia content, from at least one of the plurality of client devices; disabling the plurality of client devices from sending the request to the service providing device, according to a predetermined condition; and delivering the interactive multimedia content to the plurality of client devices.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 30, 2010
    Inventors: Jun Xu, Jun Li, Lin Du, Si Nan Shangguan
  • Publication number: 20100202405
    Abstract: A method and apparatus are described for performing a handover in a content delivery system, including performing the handover from a first network to a second network at a protocol layer determined based on whether a content stream identification file used by said first network is paired with a content stream identification file used by said second network. Also described are a method and apparatus for performing a handover in a content delivery system, including performing the handover from a first network to a second network at a protocol layer determined based on whether a same content stream identification file used by the first network is used by the second network. Further described are a method and apparatus for performing a handover in a content delivery system, including performing the handover from a first network to a second network at one of an application layer, a network layer and a media access control layer.
    Type: Application
    Filed: September 16, 2008
    Publication date: August 12, 2010
    Inventors: Jun Li, Kai Xie, Yun Tao Shi, Si Nan Shangguan
  • Publication number: 20100138869
    Abstract: A method for generating Electronic Service Guide, comprising steps of: obtaining user information from a user in a digital video broadcasting network; generating a first Electronic Service Guide as a function of the user information, wherein the first Electronic Service Guide lists services provided by the digital video broadcasting network and associated with the user information; and sending the first Electronic Service Guide to the user.
    Type: Application
    Filed: May 21, 2007
    Publication date: June 3, 2010
    Inventors: Jun Li, Si Nan Shangguan, Yun Tao Shi, Kai Xie