Sweep-type fingerprint sensor device capable of guiding a finger in a fixed sweeping direction
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United States of America Patent
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N/A
Issued Date -
May 26, 2005
app pub date -
Aug 18, 2004
filing date -
Nov 20, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sweep-type fingerprint sensor device capable of guiding a finger in a fixed sweeping direction includes a sweep-type fingerprint sensor and a T/G (Transmission and Guiding) mechanism. The sweep-type fingerprint sensor senses a plurality of fingerprint fragment images from the finger that sweeps across a sensor surface of the sweep-type fingerprint sensor in the sweeping direction. The T/G mechanism is arranged beside the sweep-type fingerprint sensor and may be driven along a guiding direction corresponding to the sweeping direction in order to guide the finger to stably sweep across the sensor surface. The sweep-type fingerprint sensor device may further include a micro switch, a speed/displacement sensor or a driving mechanism for performing the operation of power control, speed/displacement detection, or driving the finger to sweep.
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