Patents by Inventor Sophie Chang

Sophie Chang 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).

  • Data distribution apparatus and method
    Patent number: 7362758
    Abstract: Embodiments of the invention are concerned with data distribution apparatus, for use on each of a plurality of machines in distributing a set of data over a network amongst said machines. The apparatus comprises: i) multicast apparatus for use in multicasting said set of data over the network for receipt by others of said machines; and ii) a data retrieval arrangement for use in retrieving data from a set of data previously multicast by at least one of said machines, and supplying retrieved data to the multicast apparatus for use in multicasting the retrieved data over the network to others of the plurality of machines, wherein more than one of said plurality of machines is enabled to act as a multicast source in distributing the set of data over the network. In embodiments of the invention, a first machine is elected as download master and multicasts downloaded data, via a group address, to the networked machines.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: April 22, 2008
    Assignee: 1E Limited
    Inventors: Sophie Chang, Mick Saxton, Garth Howell
  • Data distribution apparatus and method
    Publication number: 20060159090
    Abstract: Embodiments of the invention are concerned with data distribution apparatus, for use on each of a plurality of machines in distributing a set of data over a network amongst said machines. The apparatus comprises: i) multicast apparatus for use in multicasting said set of data over the network for receipt by others of said machines; and ii) a data retrieval arrangement for use in retrieving data from a set of data previously multicast by at least one of said machines, and supplying retrieved data to the multicast apparatus for use in multicasting the retrieved data over the network to others of the plurality of machines, wherein more than one of said plurality of machines is enabled to act as a multicast source in distributing the set of data over the network. In embodiments of the invention, a first machine is elected as download master and multicasts downloaded data, via a group address, to the networked machines.
    Type: Application
    Filed: January 14, 2005
    Publication date: July 20, 2006
    Applicant: 1E Limited
    Inventors: Sophie Chang, Mick Saxton, Garth Howell