Wearable Touch Control Using Wrist Orientation to Prevent Unwanted Operations
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Solution Overview
Problem
Wearable electronic devices often unintentionally execute operations due to undesired touches when the user's arms overlap, causing inconvenience and unwanted changes to the device's configuration.
Innovation Solution
The device includes sensors to identify its orientation and user visibility, adjusting touch sensitivity and region based on whether it is facing the user or not, thereby reducing unwanted interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display has high touch sensitivity to enable easy operation, then the ease of operation is improved, but unwanted touches cause incorrect operations and configuration changes
Solution Approach 1:
The touch sensitivity of the display is dynamically adjusted based on the detected orientation of the wearable device. When the device is in a first orientation (e.g., facing away from the user), the touch sensitivity is reduced to prevent unwanted touches. When the device is in a second orientation (e.g., facing toward the user), the touch sensitivity is increased to enable easy operation. This dynamic adjustment resolves the contradiction by adapting the touch sensitivity parameter to the current operational context.
Solution Approach 2:
The system changes the touch sensitivity parameter of the display based on the orientation state detected by the sensor module. By modifying this key parameter according to the device's facing direction, the system can prevent incorrect operations when the device is not in the intended viewing orientation while maintaining ease of operation when properly oriented.
2Ease of operation
If the touch region is large to improve ease of operation, then the ease of operation is improved, but unwanted touches from arm crossings cause incorrect operations
Solution Approach 1:
The touch region is dynamically adjusted based on the device orientation detected by the sensor module. When the device is in the first orientation (facing away from the user), the touch region is reduced to minimize unwanted touches from arm crossings or accidental contacts. When the device is in the second orientation (facing toward the user), the touch region is expanded to improve ease of operation. This dynamic adaptation allows the system to optimize the touch region size for each operational context.
Solution Approach 2:
The system modifies the touch region parameter of the display based on the orientation state. By changing this spatial parameter according to the detected facing direction, the system can balance between preventing unwanted touches and maintaining user accessibility to the display interface.
3Ease of operation
If the device always maintains high touch sensitivity for consistent operation, then the ease of operation is improved, but it cannot distinguish between intentional and unintentional touches
Solution Approach 1:
The system uses feedback from the sensor module (detecting device orientation) to control the touch sensitivity and touch region of the display. The sensor continuously monitors the device orientation and provides feedback to the processor, which then adjusts the display parameters accordingly. This feedback mechanism enables the system to distinguish between intentional touches (when device is properly oriented) and unintentional touches (when device is in first orientation), resolving the contradiction between consistent operation and touch intent detection.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution minimizes unintended operations and enhances user experience by preventing unwanted screen interactions when the device is not in view.
Implementation Method 1
identify whether the wearable electronic device is worn on a wrist of a user, by using the first sensor
Implementation Method 2
monitor a state of the wearable electronic device by using the second sensor; identify whether the wearable electronic device is in a first state or a second state
Data Source
AI summary
Disclosed is a wearable electronic device including: a display interface with a display and a touch circuit, a sensor interface including a first sensor and a second sensor. The wearable electronic device identifies whether the wearable electronic device is worn on a wrist of a user, by using the first sensor; based on identifying the wearable electronic device is worn on the wrist of the user, monitors a state of the wearable electronic device by using the second sensor, identifies whether the wearable electronic device is in a first state or a second state, and based on the wearable electronic device being in the first state, controls a touch sensitivity or a touch region of the display interface.