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Using the vertical blanking interval for transporting electronic coupons

  • US 5,604,542 A
  • Filed: 02/08/1995
  • Issued: 02/18/1997
  • Est. Priority Date: 02/08/1995
  • Status: Expired due to Term
First Claim
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1. A system for distributing an electronic advertisement, comprising:

  • an encoder that inserts the electronic advertisement into a vertical blanking interval of a video programming signal;

    a transmitting device that transmits the video programming signal and the electronic advertisement;

    a receiving device that receives the video programming signal and the electronic advertisement;

    a decoder that removes the electronic advertisement from the vertical blanking interval of the video programming signal; and

    ,a metering server which correlates a user profile transmitted with the electronic advertisement with a user profile located within a demographic database that is stored within said metering server, and transfers the electronic advertisement to an end user computer which has a user profile that corresponds to the transmitted user profile.

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