Layered filtering for biometric sensors
US9582705B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2014 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Mar 18, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1394
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A fingerprint sensing apparatus includes a fingerprint sensor system and a control system capable of receiving fingerprint sensor data from the fingerprint sensor system. The control system may determine, according to the fingerprint sensor data, whether an object is positioned proximate a portion of the fingerprint sensor system. If the control system determines that an object is positioned proximate the portion of the fingerprint sensor system, the control system may determine whether the object is a finger or a non-finger object. The control system may determine whether the fingerprint sensor data includes fingerprint image information of at least an image quality threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.