Mobile terminal unlocking method and mobile terminal unlocking device

A mobile terminal, unlocking technology, applied in the field of communication, can solve the problems of inability to identify, reduction of fingerprint feature points, etc.

Inactive Publication Date: 2017-02-22
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above technical problems, the present invention provides a mobile terminal unlocking method and device, which overcomes the problem in the prior art that the user's fingerprint cannot be recognized due to the reduction of feature points by combining fingerprints with other physical signs

Method used

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  • Mobile terminal unlocking method and mobile terminal unlocking device
  • Mobile terminal unlocking method and mobile terminal unlocking device
  • Mobile terminal unlocking method and mobile terminal unlocking device

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Embodiment Construction

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0020] The mobile terminal involved in the embodiment of the present invention has a fingerprint unlocking module, which may include but not limited to mobile communication devices such as smartphones and tablet computers, and may also include mobile terminals with both a touch screen and physical buttons. limited.

[0021] The technical solution...

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Abstract

The invention provides a mobile terminal unlocking method and a mobile terminal unlocking device. The method includes: acquiring a fingerprint of a user, and determining quantity of fingerprint feature points, matched with pre-stored fingerprint feature points, in the fingerprint; judging whether the quantity of the fingerprint feature points is smaller than a first preset quantity threshold or not, if the quantity of the fingerprint feature points is smaller than the first preset quantity threshold, judging whether the quantity of the fingerprint feature points is larger than a second preset quantity threshold or not, and if the quantity of the fingerprint feature points is larger than the second preset quantity threshold, acquiring feature points of other body signs except for the fingerprint of the user; judging whether the feature points of the other body signs meet preset conditions or not; if the preset conditions are met, judging whether the quantity of the feature points of the other body signs is larger than or equal to a third quantity threshold, and if yes, unlocking the mobile terminal. The mobile terminal unlocking method and the mobile terminal unlocking device have advantages that fingerprint unlocking of a mobile terminal is realized without reduction in safety, and user experience in fingerprint unlocking is improved.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for unlocking a mobile terminal. Background technique [0002] With the rapid development of science and technology, the screen unlocking methods of mobile terminals such as smartphones and tablet computers are showing more and more diversified trends: the initial key-press phones are unlocked by key combinations, and most touch-screen mobile phones currently use swipe Unlock, PIN pad unlock or fingerprint recognition to unlock. [0003] In the prior art, the method of unlocking through fingerprint identification has the following disadvantages: if the user's fingerprint texture is relatively shallow, or if the fingerprint is partially damaged during use, oily and dirty stains are stuck, etc., the recognition rate of the fingerprint will be greatly reduced. The main reason is that in the above cases, the feature points of the fingerprint beco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32
CPCG06F21/32
Inventor 张伟姚巧丽张庆凯
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD
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