×

Protocol and system for transmitting triggers from a remote network and for controlling interactive program content at a broadcast station

  • US 5,937,331 A
  • Filed: 07/01/1996
  • Issued: 08/10/1999
  • Est. Priority Date: 07/01/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for controlling interactive program content conveyed with a video signal from a broadcast station comprising:

  • transmitting said video signal from a remote network;

    transmitting an original interactive command from said remote network to control an interactive program associated with said video signal;

    transmitting a redundant interactive command after transmitting said original interactive command;

    receiving said video signal and associated interactive commands at a broadcast station;

    controlling an interactive program source in response to said redundant interactive command; and

    determining an offset between a time specified by said redundant interactive command to play an interactive program and an actual time for playing said interactive program in response to said redundant interactive command.

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