Live-scan ultrasonic four-finger planar imaging scanner

Details Live-scan ultrasonic four-finger planar imaging scanner Live-scan ultrasonic four-finger planar imaging scanner

2005-01-14

2008-12-02

Williams, Hezron E. (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S622000, C382S124000

Reexamination Certificate

active

07458268

ABSTRACT:
The invention includes a system and a method of scanning fingerprints. A system may include an imaging surface, an ultrasound transducer, a probe arm joined to the transducer, a driver capable of moving the pivot location linearly and the transducer arcuately, a measurer capable of measuring linear and arcuate positions of the transducer, and a coupler capable of coupling information corresponding to linear and arcuate positions of the transducer with information from the transducer.

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patent: 2005/0196022 (2005-09-01), Schneider et al.
patent: 2006/0013453 (2006-01-01), Schneider et al.

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