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Single-point touch pressure sensing safety unlocking method and device for mobile terminal

A security unlocking and mobile terminal technology, applied in the field of mobile terminal security unlocking solutions, can solve the problems of high cost and easy to be cracked, and achieve the effect of low power consumption and improved security

Inactive Publication Date: 2014-09-10
JIANGSU R & D CENTER FOR INTERNET OF THINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of high cost or easy cracking faced by the existing security unlocking schemes of mobile terminals. Based on the touch screen widely used in mobile terminals, by integrating a low-cost single-point input pressure sensing device, the PIN can be input during the unlocking process. Measure and perceive the strength of the finger pressing the touch screen when numbers, password characters or drawing unlock patterns, based on the input content and the touch pressure during input, securely unlock the mobile terminal, and improve the security and privacy protection capabilities of the mobile terminal

Method used

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  • Single-point touch pressure sensing safety unlocking method and device for mobile terminal

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0021] According to the method of the present invention, when the user sets the security unlocking scheme, the mobile terminal records the content corresponding to the touch screen body and its input pressure each time when the security unlocking is set, as the security unlocking key; after the security unlocking key is set, each When the user performs the security unlocking action, record the content input each time during the security unlocking process, and measure the corresponding screen touch pressure. After the security unlocking action is completed, the input content recorded during the security unlocking process and its corresponding The touch pressure is compared with the stored security unlock key. If they are exactly the same, the unlock command will be executed. Otherwise, the user will be prompted to retry. After the retry exceeds the set number of ...

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Abstract

The invention relates to a single-point touch pressure sensing safety unlocking method and device for a mobile terminal. When a user set a safety unlocking scheme, the mobile terminal records the contents and input pressure corresponding to each touch on a screen during safety unlocking setting to use as the safety unlocking key. The invention further provides a corresponding hardware solution which is based on an existing capacitive touch screen and an MEMS three-axis accelerometer, two thin film pressure sensors and a pressure sensor interface circuit are disposed below the touch screen and used for measuring pressure generated by single-point screen touch during unlocking, and a low-energy-consumption single-point touch pressure sensing device is provided. By the method and device, the screen touch pressure of fingers for PIN number and password character input or unlocking pattern drawing can be measured and sensed, the input contents and the input screen pressure are used as the unlocking key for safely unlocking the mobile terminal, and safety and privacy protecting ability of the mobile terminal are increased.

Description

technical field [0001] The present invention relates to a security unlocking scheme for a mobile terminal, in particular to a method and a device for realizing security unlocking in a mobile terminal integrated with a single-touch pressure sensing device. Background technique [0002] With the improvement of the functions and processing capabilities of mobile terminals such as smartphones, tablets and even notebook computers, applications with relatively high security protection levels such as online banking and mobile Alipay are installed on mobile terminals, and a large amount of privacy and highly sensitive data are stored. Such as credit card number, contact phone number, bank account number, etc., while facilitating people's life, it also makes mobile terminals a hot target for hackers and thieves. [0003] In order to ensure the privacy and security of mobile terminals, existing mobile terminals generally integrate security unlocking solutions. For example, the Andrio...

Claims

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Application Information

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IPC IPC(8): G06F3/0487
Inventor 黄奎虞水中
Owner JIANGSU R & D CENTER FOR INTERNET OF THINGS
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