Method of guiding a user of a portable electronic device
AssigneeFingerprint Cards AB
InventorsSebastian Weber, Stefan Printz, Olis Olofsson
Life of this patent
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Abstract
The present invention relates to a method of guiding a user of a portable electronic device when operating a fingerprint sensor comprised with the portable electronic device. The invention allows for an improved enrollment process as well as for general improvements when using the fingerprint sensor. The invention also relates to a corresponding electronic device and to a computer program product.
Claims20
A method of guiding a user of a portable electronic device, the electronic device comprising a display unit configured to display a graphical user interface (GUI), a fingerprint sensor having an array of pixels and configured for capturing a fingerprint representation of a fingerprint pattern of a finger, and a control unit connected to and configured to control the operation of the display unit and the fingerprint sensor, wherein the method comprises:
- acquiring, at a first instance in time, a first partial fingerprint image of a corresponding first portion of a fingerprint pattern using the fingerprint sensor;
- determining, based on the first partial fingerprint image, a first arrangement of the finger in relation to the fingerprint sensor;
- selecting a first user guidance based on the first finger arrangement;
- providing the first user guidance to the user for rearranging the finger in relation to the fingerprint sensor;
- acquiring, at a second instance in time, a second partial fingerprint image of a corresponding second portion of the fingerprint pattern using the fingerprint sensor;
- determining, based on the second partial fingerprint image, a second arrangement of the finger in relation to the fingerprint sensor;
- selecting a second user guidance taking into account both the first and the second finger arrangement, and
- providing the second user guidance to the user for arranging the finger in relation to the fingerprint sensor.
A portable electronic device, comprising:
- a display unit configured to display a graphical user interface (GUI);
- a fingerprint sensor having an array of pixels and configured for capturing a fingerprint representation of a fingerprint pattern of a finger, and
- a control unit electrically connected to the fingerprint sensor and the display unit, wherein the control unit is configured to:
- acquire, at a first instance in time, a first partial fingerprint image of a corresponding first portion of a fingerprint pattern using the fingerprint sensor;
- determine, based on the first partial fingerprint image, a first arrangement of the finger in relation to the fingerprint sensor;
- select a first user guidance based on the first finger arrangement;
- provide the first user guidance to the user for rearranging the finger in relation to the fingerprint sensor;
- acquire, at a second instance in time, a second partial fingerprint image of a corresponding second portion of the fingerprint pattern using the fingerprint sensor;
- determine, based on the second partial fingerprint image, a second arrangement of the finger in relation to the fingerprint sensor;
- select a second user guidance taking into account both the first and the second finger arrangement, and
- provide the second user guidance to the user for arranging the finger in relation to the fingerprint sensor.
A computer program product comprising a non-transitory computer readable medium having stored thereon computer program means for a control unit adapted for controlling a portable electronic device, the electronic device comprising a display unit configured to display a graphical user interface (GUI), a fingerprint sensor having an array of pixels and configured for capturing a fingerprint representation of a fingerprint pattern of a finger, and a control unit connected to and configured to control the operation of the display unit and the fingerprint sensor, wherein the computer program product comprises:
- code for acquiring, at a first instance in time, a first partial fingerprint image of a corresponding first portion of a fingerprint pattern using the fingerprint sensor;
- code for determining, based on the first partial fingerprint image, a first arrangement of the finger in relation to the fingerprint sensor;
- code for selecting a first user guidance based on the first finger arrangement;
- code for providing the first user guidance to the user for rearranging the finger in relation to the fingerprint sensor;
- code for acquiring, at a second instance in time, a second partial fingerprint image of a corresponding second portion of the fingerprint pattern using the fingerprint sensor;
- code for determining, based on the second partial fingerprint image, a second arrangement of the finger in relation to the fingerprint sensor;
- code for selecting a second user guidance taking into account both the first and the second finger arrangement, and
- code for providing the second user guidance to the user for arranging the finger in relation to the fingerprint sensor.
Dependencies are inferred from the claim text.