US 10,121,049 B2 · Fingerprint based smart phone user verification

Abstract

A touchscreen, now incorporated in most smartphones, tablets, laptops, and similar devices, presents an effective and transparent method to incorporate continuous active user verification schemes. The touchscreen element grid structure can be used to capture information, such as a set of one-dimensional time-varying signals produced as the user's finger moves past the grid intersections points. This information may be used to verify the user, or that a valid user currently has possession of the mobile device, even while the user is not consciously engaged in an active verification process. Further functions, such as habitual gesture recognition, can also be performed using the same grid outputs.

Claims20

Dependent claims

A method for encoding information representative of a person's fingerprint comprising:

receiving one or more outputs from a touchscreen array as the person's finger passes adjacent a corresponding one or more touch sensitive elements of touchscreen array;
digitizing the one or more outputs to generate one or more corresponding one-dimensional time-varying digital signals, each digital signal comprising a sequence of digital amplitude values representative of a ridge and valley detail of a rectangular portion of the person's finger that passes adjacent the corresponding one of the touchscreen array elements as the person uses the touchscreen over time;
and
normalizing at least one of the sequence of digital amplitude values with respect to a velocity at which the person's finger moves.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

15/429,578Filed 10 Feb 2017 · continuation in part

Priority

1 Apr 2013

Published

US 2017/0220843 A13 Aug 2017

Granted

6 Nov 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification23 codes

G06F 3/0488
Using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of…:…
G06F 3/044
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: by capacitive means
G06F 21/32
User authentication: using biometric data, e.g. fingerprints, iris scans or voiceprints
G06V 10/17
Image acquisition: using hand-held instruments

Family

Application61/807,113Us provisional application · filed 1 Apr 2013

Application14/231,935Parent of this continuation-in-part · filed 1 Apr 2014

Application62/293,924Us provisional application · filed 11 Feb 2016

Application15/226,153Parent of this continuation-in-part · filed 2 Aug 2016

US 2017/0220843 A1Pre-grant publication · published 3 Aug 2017

US 9,754,149 B2Parent of this continuation-in-part

US 9,432,366 B2Parent of this continuation-in-part

US 2014/0310804 A1Published application

US 2016/0342826 A1Published application

US 10,121,049 B2This patent

From the US filing history. Foreign family members aren’t listed.

Fingerprint based smart phone user verification

Life of this patent

Fingerprint based smart phone user verification

Life of this patent

Abstract

Claims20