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Gathering data concerning publication usage

  • US 7,650,793 B2
  • Filed: 03/18/2005
  • Issued: 01/26/2010
  • Est. Priority Date: 03/19/2004
  • Status: Active Grant
First Claim
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1. A method of gathering data concerning usage of a publication by a person, comprising:

  • producing first data representing a first condition comprising at least one of disposition of a publication, stress applied to a publication, exposure of a publication to light, proximity of a person to a publication, proximity of a portable monitor to a publication, disposition of a person, and disposition of a portable monitor;

    producing second data representing a second condition comprising at least one of disposition of a publication, stress applied to a publication, exposure of a publication to light, proximity of a person to a publication, proximity of a portable monitor to a publication, disposition of a person, and disposition of a portable monitor, the second condition differing from the first condition; and

    producing usage data based on the first data and the second data, wherein the usage data is dependent upon a time base in which the first data is produced, relative to the second data produced.

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