Motion-Based Unlocking System for Smartphone Reliability
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Solution Overview
Problem
Smartphone physical keys are prone to damage from frequent use, as they are the primary means of unlocking and inputting passwords, leading to reliability issues.
Innovation Solution
An electronic device equipped with a processor, storage device, gyroscope, distance detecting device, and capturing device, utilizing an unlocking system with modules for acquiring motion data, determining human presence, and controlling image capture to authenticate users based on biological characteristics, thereby reducing the need for physical key presses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If physical key is used for unlocking and password input, then ease of operation is improved, but reliability deteriorates due to frequent damage from frequent pressing
Solution Approach 1:
The patent replaces the mechanical physical key system with a motion recognition system using gyroscope sensors. The system detects specific shaking motions of the device to trigger unlocking and password input functions, eliminating the need for frequent physical key presses and thereby improving reliability while maintaining ease of operation.
Solution Approach 2:
The patent creates a virtual copy of the physical key's functionality through motion recognition. Instead of physically pressing a key, users perform specific shaking motions that are detected and interpreted as key press commands, allowing the system to replicate key functionality without mechanical contact.
2Reliability
If motion recognition is used for authentication, then reliability is improved by reducing physical key usage, but device complexity increases due to additional sensors and processing
Solution Approach 1:
The patent makes the gyroscope sensor serve multiple functions: it is used for both motion recognition (shaking detection for unlocking and password input) and other device functions. This multi-functionality reduces the need for dedicated components solely for authentication, thereby improving reliability while minimizing the increase in device complexity.
Data Source
AI summary
An unlocking method used in an electronic device includes acquires data as to motion of the electronic device detected by a gyroscope at predetermined intervals when the electronic device is locked. If current motion of the electronic device is caused by a human, according to the acquired motion data and motion data stored in the storage device, a capturing device is controlled to capture an image. Biological characteristics in the acquired image are matched against biological characteristics pre-stored in the storage device, and the electronic device is unlocked when matching biological characteristic is found.