Fingerprint sensing device
US10846503B2 · kind B2 · utility
1Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2019 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Mar 9, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1329
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In accordance with a first aspect of the present disclosure, a fingerprint sensing device is provided, comprising: a substrate; a fingerprint sensor placed on one side of the substrate; a coupling electrode placed on another side of the substrate, wherein said coupling electrode is arranged to provide a coupling capacitance between a surface of a finger and a circuit ground of said fingerprint sensor. In accordance with a second aspect of the present disclosure, a corresponding method of producing a fingerprint sensing device is conceived.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.