Fingerprint or palmprint sensor
US10176357B2 · kind B2 · utility
1Cited by
0References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 30, 2015 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Oct 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/77
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a print sensor (160) comprising, on a transparent support substrate, a plurality of elementary acquisition cells (161), each cell comprising a photodetector (PS), a pyroelectric conversion element (PYR), and at least one TFT transistor (RT, SF) connected to both the photodetector (PS) and the pyroelectric conversion element (PYR).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.