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Universal display media exposure measurement

  • US 6,958,710 B2
  • Filed: 12/24/2002
  • Issued: 10/25/2005
  • Est. Priority Date: 12/24/2002
  • Status: Active Grant
First Claim
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1. A system for measuring the exposure of survey participants to a billboard, the system comprising:

  • at least one portable transmitter arranged to be carried on the person of at least one survey participant, the at least one portable transmitter operative to transmit signals containing survey participant data;

    a receiver/transmitter arranged to receive the signals containing survey participant data from the at least one portable transmitter and operative to transmit a signal containing survey participant data; and

    a receiver located proximately to the billboard, the receiver being arranged to receive the signal transmitted by the receiver/transmitter.

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