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Panelist response scanning system

  • US 4,331,973 A
  • Filed: 10/21/1980
  • Issued: 05/25/1982
  • Est. Priority Date: 10/21/1980
  • Status: Expired due to Term
First Claim
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1. A panelist response scanning system comprising a plurality of product scanning units for location at respective stores, a targetable television system, a plurality of panelist identification means for identifying respective panelists, and a central processor for coupling to said product scanning units,said targetable television system including head end means and a plurality of receiving means, said head end means including means for transmitting normal television program signals, substitute program signals and signal substitution control signals to said plurality of receiving means, said signal substitution control signals including a plurality of panelist address signals each corresponding to a respective panelist identification means, and each said receiving means including means for selectively tuning a television receiver to a respective normal television channel to display a respective normal television program, means for generating a local panelist address signal corresponding to a respective panelist identification means, and means for selectively substituting substitute program signals in lieu of normal television program signals for display of a substitute program on said television receiver upon receipt of signal substitution control signals including a panelist address signal corresponding to said local panelist address signal,each of said product scanning units having means for receiving panelist identification corresponding to a said panelist identification means presented by a purchaser of products from the respective store and for receiving product identification corresponding to said products to produce transaction response signals including panelist identification signals and product identification signals respectively identifying the panelists and the products upon the purchase of products at the store, whereby the system is closed between the targetable television system and the product scanning units by the acts of the respective panelists in viewing the programs presented on the respective television receivers and thereafter presenting their corresponding panelist identification means to a product scanning unit upon making the purchase of a product,said central processor including means for responding to said transaction response signals to provide an indication of panelist behavior in response to said normal and substitute programs.

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