Fingerprint detection device and method thereof
US11328529B2 · kind B2 · utility
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2References
29Claims
0Family size
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Key dates
| Filing date | Sep 1, 2020 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Sep 1, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0446
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a fingerprint detection device and a method therefor. A fingerprint detection device includes: a touch panel; at least one amplifier including a first integrator amplifying an electrical signal received from the touch panel to a signal of a first polarity and a second integrator amplifying the electrical signal to a signal of a second polarity; and a processor configured to control the amplifier to perform a first integration process and a second integration process with respect to a plurality of electrical signals received from a plurality of nodes of the touch panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.