Biometric verification device and method
US8903142B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2010 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1335
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a biometric device (1) for capturing fingerprint information and for extracting significant data from a partial fingerprint area, comprising processing means (8), a line sensor (2) for consecutively capturing fractional fingerprint images from fractional areas of a finger through a relative sliding movement between the finger and the line sensor, means for consecutively storing the fingerprint information in a first memory (6), decision-making means (3) for deciding when the information stored in the first memory constitutes a partial fingerprint area, extraction means (4) for extracting significant data from the partial fingerprint area stored in the first (7), where the captured fractional fingerprint images are stored in the first memory (6) in such a way that several consecutive fractional images are compared with the previously captured images, and are combined together to form a partial fingerprint area which is large enough for the extraction of the significant data, and where the oldest stored fingerprint image data is discarded from the first memory (6) when new fingerprint image data is stored in the first memory (6). In this way, it is possible t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.