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METHODS AND APPARATUS TO COLLECT MEDIA EXPOSURE INFORMATION

  • US 20090119695A1
  • Filed: 06/30/2008
  • Published: 05/07/2009
  • Est. Priority Date: 11/07/2007
  • Status: Active Grant
First Claim
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1. An apparatus to collect media exposure information, comprising:

  • an identifier card including a plurality of machine readable codes corresponding to one or more media stations; and

    a metering device including a scanner to read a first one of the codes and a memory to record media exposure information identifying exposure of a user to a media station associated with the first one of the codes, the media information being stored in association with a timestamp corresponding to a time at which the first one of the codes was read.

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