Acoustic sensing through a barrier
US10422772B1 · kind B1 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2016 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Jan 9, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/018
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention provides embodiments of an apparatus and for improved, higher quality and higher resolution acoustic impedance scanning of an object through a barrier. Such acoustic impedance scanning can be employed to obtain biometric information of a person via fingerprint pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.