Swipe imager with improved sensing control features
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United States of America Patent
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Sep 26, 2006
Grant Date -
Jan 2, 2003
app pub date -
Apr 29, 2002
filing date -
Jun 27, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A fingerprint sensing device and recognition system includes a capacitive array of sense elements. A plurality of images is combined to form a composite image having an area that is greater than the area of a single captured image. The sensing device also features a spacer or spacers to allow for a reproducible sensing of the same fingerprint. Optionally, the spacer or spacers include a roller or rollers, which further optionally in conjunction with a monitoring device for determining motion of a surface being imaged device. Also optionally, th sensing devices includes a guiding channel as to allow for a well defined motion of the biological surface to be imaged. A method for sensing a biological surface using the fingerprint sensing device is also disclosed.
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