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Data collection device

  • US 7,145,464 B2
  • Filed: 11/19/2003
  • Issued: 12/05/2006
  • Est. Priority Date: 11/19/2003
  • Status: Active Grant
First Claim
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1. A data collection device comprising:

  • a sensor adapted for use with a medium that is usable when exposed to electromagnetic radiation of predetermined characteristic, said sensor being capable of sensing when the medium is exposed to electromagnetic radiation of said predetermined characteristic and of generating an exposure signal in response thereto;

    a memory; and

    a controller connected to said sensor and adapted to store data in the memory when an exposure signal is generated.

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