Method and device for touch screen unlocking

An unlocking device and touch screen technology, applied to instruments, digital data authentication, computing, etc., can solve problems such as low unlocking efficiency, poor user experience, and insufficient random operation, and achieve the effect of good practical space, random operation, and improved user experience

Inactive Publication Date: 2013-08-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this unlocking method does not have the limitation of dragging trajectory, it requires the user to use the contact point as the starting point to perform the dragging operation, which is not random enough and prone to misoperation, resulting in low unlocking efficiency and poor user experience

Method used

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  • Method and device for touch screen unlocking
  • Method and device for touch screen unlocking
  • Method and device for touch screen unlocking

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Embodiment Construction

[0030] The basic idea of ​​the present invention is: the user operates on the touch screen, and when the touch track forms a closed curve, calculates the area of ​​the closed curve and determines that the area of ​​the closed curve meets the preset unlocking determination conditions to unlock.

[0031] The touch screen unlocking method of the present invention mainly comprises the following steps:

[0032] Step 101: Obtain and record the touch track formed by the user's unlocking operation on the touch screen in real time;

[0033] Step 102: When detecting that the touch track forms a closed curve, calculate the area of ​​the closed curve;

[0034] Step 103: Unlocking when it is determined that the area of ​​the closed curve meets the preset unlocking determination condition.

[0035] Here, the unlocking determination condition may specifically be: not less than a preset unlocking area threshold; wherein, the unlocking area threshold may be a default setting, or may be preset...

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Abstract

The invention discloses method and device for touch screen unlocking. The method includes requiring and recording touch tracks formed in a touch screen when a user performs unlock operation in real time; calculating area of a loop curve when formed by the touch tracks; and unlocking when judging the area of the loop curve is in accordance with preset unlocking decision condition. Correspondingly, the invention further discloses a device for touch screen unlocking, the device can effectively prevent false unlocking and improve unlocking efficiency, improve user experience, and especially is suitable for older users.

Description

technical field [0001] The present invention mainly relates to the application technology of the touch screen, in particular to a method and device for unlocking the touch screen. Background technique [0002] With the gradual popularization and use of mobile terminals such as mobile phones, the unlocking methods of the screen on the terminal have shown a trend of becoming more and more diverse in recent years: initially, the key-type terminal equipment is unlocked by key combination; later, the touch screen is applied to the terminal, A variety of unlocking methods have been gradually developed; at the same time, there are also unlocking methods based on human body characteristics, such as using the recognition of face, fingerprint, voice and other characteristics to unlock. [0003] U.S. Patent No. 7,657,849B2 discloses a method and device for unlocking by dragging an unlocking icon on a touch screen according to a predetermined track or a set target. It is currently a rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/0488
CPCG06F3/0488G06F21/36G06F3/04883
Inventor 莫华
Owner ZTE CORP
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