Fingerprint-reading system
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United States of America Patent
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-
Sep 11, 2001
Grant Date -
N/A
app pub date -
Jun 5, 1997
filing date -
Jun 14, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fingerprint-reading system includes a fingerprint sensor having an active surface sensitive to the pressure and temperature of a finger. The surface area of this sensor is far smaller than the surface area of the fingerprint to be read. The reading is done when the sensor and the finger are in contact and in a relative motion of sliding of the sensor and the finger with respect to each other. The system reconstitutes a complete image of the fingerprint from the partial images given by the sensor during this motion.
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