Biometric device and biometric system including the same
US11514724B2 · kind B2 · utility
0Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2021 |
| Grant date | Nov 29, 2022 |
| Priority date | — |
| Expiry date | May 26, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13306
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are a biometric device and a biometric system including the same. The device includes a biogenic-synthesized film, a reflective layer disposed on one side of the biogenic-synthesized film, a light source disposed on the reflective layer to generate light, a beam splitter disposed between the light source and the reflective layer to provide the light to the reflective layer and another side of the biogenic-synthesized film, and a light switching layer disposed between the beam splitter and the reflective layer to switch the light provided to the reflective layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.