Method and device for reducing smear in a rolled fingerprint image
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United States of America Patent
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May 5, 1998
Grant Date -
N/A
app pub date -
Apr 30, 1996
filing date -
Apr 30, 1996
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Abstract
A fingerprint image capture system reduces tip smear by ceasing to update a data array characteristic of the rolled fingerprint image behind an advancing freeze column at least about half way from the trailing edge to the leading edge of a finger contact strip.
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