Fingerprint scanner and method having an acoustic detector
US8724859B2 · kind B2 · utility
23Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2005 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Sep 30, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1306
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention may include a fingerprint scanner having an ultrasonic wave emitter, a platen, an acoustic splitter and an acoustic detector. The invention may also include a method of scanning a fingerprint, wherein ultrasonic energy is provided and reflected with an acoustic splitter to provide first reflected energy, the first reflected energy may be reflected from a finger to provide second reflected energy, the second reflected energy may be received at the splitter, and allowed to pass through the splitter, and the second reflected energy may then be received at a detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.