Touch Sensing Unit for One-Handed Electronic Device State Control
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Solution Overview
Problem
Current electronic devices require complex operations to unlock, involving separate physical buttons and touch screens, making them difficult to use with one hand and complicating the process of checking charging status without a charging indicator light.
Innovation Solution
An electronic device with a touch sensing unit that can detect inputs independently of the processing unit and display unit states, allowing for state switching, such as unlocking or displaying charging progress, without needing to interact with separate surfaces, and using a Quantum Tunneling Composite (QTC) technique for efficient touch detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate physical buttons and touch screens are used for unlocking, then the device can provide distinct control surfaces, but the operation becomes complex and requires two-handed use
Solution Approach 1:
The patent combines the physical button function and touch screen function into a single integrated touch-sensitive surface. The touch screen can detect both light touches (for normal operation) and heavy presses (for power button functionality), eliminating the need for separate physical buttons while maintaining all control functions.
Solution Approach 2:
The touch-sensitive surface serves multiple functions: it acts as both the display interface and the power button. By detecting the intensity and duration of touches, it can differentiate between normal screen interaction and power button presses, enabling one surface to replace multiple control elements.
2Use of energy by moving object
If the display unit is turned off to save power, then energy consumption is reduced, but the user cannot check charging status without pressing physical buttons
Solution Approach 1:
The system automatically detects when the device is being held and a charging cable is connected, then autonomously displays charging status information on the screen without requiring the user to press any buttons. The touch-sensitive surface detects the holding action and triggers the display of charging information automatically.
3Adaptability or versatility
If the touch sensing unit operates independently of display and processing unit states, then state switching is enabled, but the system complexity increases
Solution Approach 1:
The touch-sensitive surface continuously monitors touch inputs even when the display is off or the processor is in sleep mode. By detecting touches in advance while in low-power states, it can trigger state transitions without requiring the main processor to be fully active, enabling wake-up functionality and state switching.
Data Source
AI summary
The present invention provides an electronic device and a state control method. The electronic device includes a display unit having a display state and a turn-off state; a processing unit having an operating state and a sleep state; and a touch sensing unit configured to overlap the display unit, wherein the touch sensing unit detects a first input, which is independent of the states of the processing unit and the display unit. The first input is a touch input, and the touch sensing unit triggers the processing unit and the display unit to perform state switching according to the first input.