Contactless biometric acquisition sensor and method
US12424020B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | May 19, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Sep 18, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1388
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A contactless biometric sensor, including an upper face above which, in use, a human body part which has dermatoglyphs is positioned, a lighting source configured to light the human body part through the upper face and an imager configured to acquire an image of the human body part through the upper face. The upper face of the sensor is provided with a mask having spatially variable light transmissivity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.