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Methods and apparatus to collect audience information associated with a media presentation

  • US 20050144632A1
  • Filed: 10/21/2004
  • Published: 06/30/2005
  • Est. Priority Date: 04/22/2002
  • Status: Active Grant
First Claim
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1. A method of collecting media consumption data comprising:

  • monitoring by a first media metering device associated with a media presentation device for a presence of one or more other media metering devices; and

    varying a monitoring operation of the first media metering device based on the presence of the one or more other media metering devices.

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