Patent · US Active

Fingerprint sensing system and method

US10372966B2 · kind B2 · utility

4Cited by

0References

12Claims

0Family size

Assignee

NXP B.V. · NL

Inventors

Thomas Suwald · Hamburg, DE
Arne Burghardt · Hamburg, DE

Key dates

Filing date	Mar 13, 2017
Grant date	Aug 6, 2019
Priority date	—
Expiry date	May 1, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06V40/14
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

According to a first aspect of the present disclosure, a fingerprint sensing system is provided, comprising: at least one sensing element configured and arranged to generate a sensing characteristic; a detection unit configured and arranged to detect changes of said sensing characteristic over time; a processing unit configured and arranged to determine if the changes of said sensing characteristic substantially conform to a predefined liveness function. According to a second aspect of the present disclosure, a corresponding fingerprint sensing method is conceived. According to a third aspect of the present disclosure, a corresponding computer program product is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.