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Systems and methods for providing a token registry and encoder

  • US 20090158316A1
  • Filed: 12/12/2007
  • Published: 06/18/2009
  • Est. Priority Date: 12/12/2007
  • Status: Active Grant
First Claim
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1. In a television distribution system having a backchannel communication path, a system for marking content viewed on a television, comprising:

  • a token registry for generating a token representative of a unique identifier and having a database storing information associated with a generated token,an encoder process for inserting the token into content that is to be delivered over the television distribution system and for updating the database to indicate the specific content carrying the inserted token,a video receiving device having a process for detecting the token encoded within content being received by the device for at least one of tracking the token presence, displaying a visual cue to the user that the content includes a response opportunity, and tracking such user responses to the token-encoded content, anda user controller generating a command signal indicating a user response to the token-encoded content.

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