Method and apparatus for scanning a fingerprint using a linear sensor within a cursor control device
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United States of America Patent
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Aug 28, 2001
Issued Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Jun 2, 1998
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Abstract
A method and apparatus for scanning a fingerprint using a linear optical sensor. A finger or palm is rolled over a transparent roller. A light source directs light through the roller to illuminate or detect the finger. Light directed through the roller is focused onto a linear imaging device. A full 2D recreation of the fingerprint is assembled from the discrete line-image data collected by the linear array imaging sensor. The apparatus contains a rotation detector to detect rotational movement of the roller.
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