Touch Display Gesture Detection Noise Interference
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Solution Overview
Problem
Portable electronic devices with touch-sensitive displays face challenges in accurately detecting touches and 3D gestures due to noise interference from transmitters, particularly when both touch and 3D gesture detection are performed simultaneously, which affects the accuracy and efficiency of user input recognition.
Innovation Solution
The electronic device employs a method where touch detection is prioritized by discontinuing 3D gesture detection when a touch is detected, and vice versa, using transmitters and receivers to minimize noise interference and enhance detection accuracy. This involves performing touch detection continuously and delaying or discontinuing 3D gesture detection until no touch is detected for a predetermined period, allowing for reduced noise impact during touch detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If both touch detection and 3D gesture detection are performed simultaneously using transmitters and receivers, then the device can recognize multiple types of user input, but noise interference increases and detection accuracy decreases
Solution Approach 1:
The system dynamically switches between touch detection mode and 3D gesture detection mode based on detected input states. When touch input is detected, the system activates touch detection and suspends 3D gesture detection to eliminate noise interference. When no touch input is present, the system switches to 3D gesture detection mode, allowing the detection mechanism to adapt its state according to operational requirements rather than running both simultaneously
Solution Approach 2:
The system implements periodic switching between detection modes based on touch detection results. The control mechanism continuously monitors for touch input and periodically transitions between touch detection and 3D gesture detection operations, creating a rhythmic alternation that ensures high accuracy in each mode while maintaining overall system versatility
2Adaptability or versatility
If transmitters are used for 3D gesture detection, then spatial gesture recognition is enabled, but noise interference affects touch detection accuracy
Solution Approach 1:
The system extracts and isolates the noise-generating transmitter operation from the touch detection process. By separating 3D gesture detection (which uses transmitters) from touch detection in time, the harmful noise factor is removed from the touch detection environment, allowing high-precision touch input recognition without interference from transmitter signals
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 approach improves the accuracy of touch detection by reducing noise interference from 3D gesture detection, ensuring reliable user input recognition and enhancing the overall user experience on devices with limited space for input and output.
Implementation Method 1
detecting gestures spaced from an electronic device using transmitters and receivers
Implementation Method 2
performing touch detection using touch sensors of a touch-sensitive display
Data Source
AI summary
A method includes utilizing transmitters and receivers, performing detection of objects spaced from an electronic device, when an object that is spaced from the electronic device is detected, continuing performing detection of objects, when no object is detected, discontinuing performing detection of objects, and utilizing touch sensors of the touch-sensitive display, performing touch detection.