×

System and method for synchronizing enhancing content with a video program using closed captioning

  • US 20040040042A1
  • Filed: 08/25/2003
  • Published: 02/26/2004
  • Est. Priority Date: 01/06/1997
  • Status: Abandoned Application
First Claim
Patent Images

1. For use with a viewer computing unit having a processor, a program enhancement listener implemented as computer-executable instructions stored on a computer-readable medium and executable on the processor to direct the viewer computing unit to:

  • receive supplemental data sent to a multicast address; and

    initiate an enhancement action based upon the supplemental data to enhance a video program as the video program is being played.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×