×

Retrieving content using batch mode and real-time logical addresses

  • US 7,543,323 B1
  • Filed: 04/26/2002
  • Issued: 06/02/2009
  • Est. Priority Date: 06/17/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of processing logical addresses specifying content associated with a television program, the method comprising the acts of:

  • receiving a batch mode logical address associated with a program in advance of the program being broadcast, wherein the batch mode logical address comprises a Uniform Resource Locator (URL);

    receiving a video signal by which the program is broadcast;

    retrieving a real-time logical address and associated data by extracting a sequence of data having a predetermined syntax from a data service channel of the video signal, wherein the associated data comprises a priority attribute, and wherein the real-time logical address comprises a URL;

    selecting one or both logical addresses from among the real-time logical address and the batch mode logical address using, at least in part, the priority attribute; and

    enabling the selected one or both logical addresses to be used to retrieve content specified by the selected one or both logical addresses.

View all claims
  • 11 Assignments
Timeline View
Assignment View
    ×
    ×