Method and apparatus for identifying fake fingerprint
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United States of America Patent
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Sep 22, 2015
Grant Date -
Sep 25, 2014
app pub date -
Dec 24, 2013
filing date -
Mar 21, 2013
priority date (Note) -
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Abstract
An apparatus for identifying a fake fingerprint, the apparatus comprising: a prism having a fingerprint contact surface with which a fingerprint comes in contacted; an internal light source configured to irradiate light from the inside of the prism; an external light source configured to irradiate light from the outside of the prism; an image sensor configured to acquire diffused light image by the internal light source and transmitted light image by the external light source; and a controller configured to compare the diffused light image and the transmitted light image acquired by the image sensor to determine whether the fingerprint is a fake fingerprint or not.
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