System for acquiring digital fingerprints equipped with an improved device for addressing lines
US11544959B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2020 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Feb 6, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04166
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A fingerprint recognition system, includes a touch surface configured so as to provide location information for at least one contact point (PCO) of a finger having a fingerprint in contact with the touch surface, wherein the system comprises: a TFT panel, arranged underneath the touch surface, comprising a detection array comprising M rows at least some of which comprise detection cells for detecting an image representative of the fingerprint, a row-addressing system being integrated into the array, and configured so as to activate, row after row, the detection cells of a corresponding row in a scanning direction of the rows, a calculation device, configured so as to receive the location information and so as to command the addressing system to address the array starting from an address range (ZA) grouping together a subset of rows from among the M rows of the array, and determined on the basis of the location information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.