Method and apparatus for using imperfections and irregularities in optical media for identification purposes
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United States of America Patent
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Sep 28, 2010
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N/A
app pub date -
Sep 5, 2006
filing date -
Sep 2, 2005
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Abstract
A method for using optical media for identification purpose including the steps of exposing a portion of the optical media to a source of radiation; detecting an imperfection in the portion of the optical media; and, quantifying the imperfection to create a unique identifier. An apparatus for using an optical media for identification purposes, including a light source for exposing a portion of the optical media to a radiation; and, a receptor for receiving the radiation through the portion of the optical media, wherein the receptor measures a change in radiation that is received once the radiation has passed through the portion of the optical media.
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