Data collection device
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United States of America Patent
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Dec 5, 2006
Issued Date -
N/A
app pub date -
Nov 19, 2003
filing date -
Nov 19, 2003
priority date (Note) -
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Abstract
In one aspect of the invention a data collection device is provided for use with a medium said medium being usable when exposed to electromagnetic radiation that is characteristic of such use. The data collection device has a sensor capable of sensing when the medium is exposed to electromagnetic radiation that is characteristic of such a use and generating an exposure signal in response thereto. A controller is connected to said sensor and stores data in a memory when an exposure signal is detected.
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