One-Step Touch Unlock via Merged Sliding Gesture
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Solution Overview
Problem
The existing two-stage unlocking process for touch-controlled mobile devices is cumbersome, leading to a potential security loophole as users often skip the second-stage unlock operation, compromising device security.
Innovation Solution
A simple and secure one-step unlock method is implemented by displaying a lock-screen image with movable image pieces, where a predefined image piece is moved from a first to a second location on the touch screen to perform a predefined function, such as unlocking the device, using a touch-based interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a two-stage unlocking process is implemented, then device security is improved, but operation complexity increases
Solution Approach 1:
The patent merges the first-stage unlock operation (sliding action) and the second-stage unlock operation (password entry) into a single unified gesture. The user performs one continuous sliding motion across the screen that simultaneously completes both security verification stages, eliminating the need for separate unlock steps while maintaining dual-layer security protection.
Solution Approach 2:
The sliding gesture is designed to serve multiple functions simultaneously: it acts as both the first-stage unlock trigger and the second-stage password verification mechanism. The same physical action (sliding) performs multiple security functions, reducing operational complexity while maintaining security integrity.
2Reliability
If a two-stage unlocking process is implemented, then device security is improved, but ease of operation deteriorates
Solution Approach 1:
The patent combines two separate unlock operations into one continuous sliding gesture. The user slides their finger across the screen in a single motion that simultaneously performs both security verification stages, making the unlocking process as easy as a simple swipe while maintaining dual-stage security protection.
3Ease of operation
If users are discouraged from configuring second-stage unlock operation due to complexity, then ease of operation is improved, but device security deteriorates
Solution Approach 1:
The patent merges the first-stage and second-stage unlock operations into a single gesture, eliminating the complexity that discouraged users from enabling second-stage security. The unified sliding action maintains both security layers while being as simple to perform as a basic swipe, thereby encouraging users to enable comprehensive security protection.
Data Source
AI summary
A method for performing a predefined function on a touch-based mobile device includes displaying a lock-screen image on the touch screen of the mobile device during a locked-state, wherein the lock-screen image comprises a plurality of image pieces; detecting an object on or near the touch screen at a first predefined location corresponding to a predefined image piece of the plurality of image pieces; moving the predefined image piece on the touch screen according to movement of the object; and performing a predefined function on the mobile device when the predefined image piece moves from the first predefined location to a second predefined location on the touch screen.