Live-scan ultrasonic four-finger planar imaging scanner
US7458268B2 · kind B2 · utility
22Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2005 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Feb 11, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1306
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.