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Billboard consumption measurement system

  • US 6,252,522 B1
  • Filed: 05/25/1999
  • Issued: 06/26/2001
  • Est. Priority Date: 05/28/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for measuring exposure to a billboard, comprising:

  • a transmitter proximate to said billboard for broadcasting a data signal that carries information relating to said billboard for use in measuring exposure to said billboard;

    wherein;

    said data signal is provided at a power level that is adapted to reach a pre-defined exposure area in which said billboard can be viewed.

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