Patents by Inventor Cameron S. Blandford

Cameron S. Blandford 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).

  • Internet Protocol multicast with Internet Protocol unicast/multicast error correction
    Patent number: 8601335
    Abstract: A method of delivering digital information includes joining a multicast group, and receiving a segment from a server directed to the multicast group. Further, the method further includes determining a transmission error has occurred resulting in an incomplete segment, and sending an error notification to the server requesting retransmission of at least a portion of the incomplete segment. Additionally, the method includes receiving a retransmission of the at least a portion of the incomplete segment. The at least a portion of the incomplete segment may be received through an IP unicast connection or as a multicast retransmission.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: December 3, 2013
    Assignee: AT&T Intellectual Property II, L.P.
    Inventors: Joseph Weinman, Cameron S. Blandford
  • Internet Protocol Multicast with Internet Protocol Unicast/Multicast Error Correction
    Publication number: 20120297265
    Abstract: A method of delivering digital information includes joining a multicast group, and receiving a segment from a server directed to the multicast group. Further, the method further includes determining a transmission error has occurred resulting in an incomplete segment, and sending an error notification to the server requesting retransmission of at least a portion of the incomplete segment. Additionally, the method includes receiving a retransmission of the at least a portion of the incomplete segment. The at least a portion of the incomplete segment may be received through an IP unicast connection or as a multicast retransmission.
    Type: Application
    Filed: August 2, 2012
    Publication date: November 22, 2012
    Applicant: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Joseph Weinman, Cameron S. Blandford
  • Internet protocol multicast with internet protocol unicast/multicast error correction
    Patent number: 8261148
    Abstract: A method of delivering digital information includes joining a multicast group, and receiving a segment from a server directed to the multicast group. Further, the method further includes determining a transmission error has occurred resulting in an incomplete segment, and sending an error notification to the server requesting retransmission of at least a portion of the incomplete segment. Additionally, the method includes receiving a retransmission of the at least a portion of the incomplete segment. The at least a portion of the incomplete segment may be received through an IP unicast connection or as a multicast retransmission.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: September 4, 2012
    Assignee: AT&T Intellectual Property II, LP
    Inventors: Joseph Weinman, Cameron S. Blandford
  • IP Multicast with IP Unicast/Multicast Error Correction
    Publication number: 20100023828
    Abstract: A method of delivering digital information includes joining a multicast group, and receiving a segment from a server directed to the multicast group. Further, the method further includes determining a transmission error has occurred resulting in an incomplete segment, and sending an error notification to the server requesting retransmission of at least a portion of the incomplete segment. Additionally, the method includes receiving a retransmission of the at least a portion of the incomplete segment. The at least a portion of the incomplete segment may be received through an IP unicast connection or as a multicast retransmission.
    Type: Application
    Filed: July 28, 2008
    Publication date: January 28, 2010
    Applicant: AT&T CORP.
    Inventors: Joseph Weinman, Cameron S. Blandford