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Gathering data concerning publication usage

  • US 8,444,180 B2
  • Filed: 09/21/2007
  • Issued: 05/21/2013
  • Est. Priority Date: 03/19/2004
  • Status: Active Grant
First Claim
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1. A system for gathering data concerning usage of a publication by a person, comprising:

  • a sensor disposed in or on a publication operative to produce raw data representing stress applied to the publication by a person; and

    a processor disposed in or on the publication, said processor being communicatively coupled to the sensor and operative to produce usage data representing usage of the publication by the person based on the raw data, wherein the processor controls a mode of operation for the sensor to produce the usage data.

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