Fingerprint sensor with force sensor

Active Publication Date: 2017-11-30
FINGERPRINT CARDS ANACATUM IP AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]In view of above-mentioned and other drawbacks of the prior art, it is an object of the present invention to provide a fingerprint sensor wi

Problems solved by technology

One of the problems associated with fingerprint sensors concerns so-called spoof fingers trying to mimic a live fingerprint to thereby deceive a fingerprint sensor.
If fraud by the spoof finger is successful, unauthorized access to systems may undesirably be approved or unauthorized tran

Method used

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  • Fingerprint sensor with force sensor
  • Fingerprint sensor with force sensor
  • Fingerprint sensor with force sensor

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Embodiment Construction

[0041]The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and fully convey the scope of the invention to the skilled person. Like reference characters refer to like elements throughout.

[0042]Turning now to the drawings and to FIG. 1 in particular, there is schematically illustrated the electronic device according to the present invention, in the form of a mobile phone 100 with an integrated fingerprint sensor 102 and a display unit 104 with a touch screen interface 106. In this embodiment the fingerprint sensor 102 and the display unit 104 are together arranged at the front side of the mobile phone 100. The fingerprint sensor 102 may, for example,

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Abstract

The present invention generally relates to a method for authenticating a user of an electronic device comprising a fingerprint sensor and a force sensor, the method comprising: retrieving a stored plurality of fingerprint enrolment templates comprising an enrolment representation of at least part of a user's finger and a corresponding enrolment force parameter, acquiring a first verification image of an object and determining a first verification representation, determining a first verification force parameter, performing a fingerprint authentication procedure based on the first verification template and the plurality of fingerprint enrolment templates, wherein when the first verification representation and the first verification force parameter comprised in the first verification template matches each of the enrolment representation and the enrolment force parameter comprised in the same fingerprint enrolment template providing a signal indicating successful authentication of the user. The invention also relates to a fingerprint sensing system and an electronic device.

Description

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Claims

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Application Information

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Owner FINGERPRINT CARDS ANACATUM IP AB
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