Capacitive Touch Button Balancing for Faster Signal Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The integration of additional buttons in touch devices leads to high manufacturing costs, electromagnetic interference, and capacitive interference, resulting in inaccurate signal detection and slow response times, limiting their applicability in scenarios requiring rapid signal changes.
Innovation Solution
A capacitive button is integrated on a touch screen with a sensing device to sense data in real time, a computing unit calculates parameter adjustments to balance signal-to-noise ratios, and a balancing unit regulates the touch screen accordingly, allowing for faster response speeds and broader applicability without circuit limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional buttons are added to a touch panel, then the functionality and versatility of the device are improved, but the manufacturing cost increases due to the need for custom molds and circuit configurations
Solution Approach 1:
The patent implements a universal button configuration where the same physical button structure can be positioned at multiple locations on the touch panel. By using a standardized button design that works across different positions and applications, the system achieves versatility without requiring custom molds or circuit configurations for each button addition, thereby reducing manufacturing costs while maintaining functional adaptability
2Adaptability or versatility
If additional buttons are integrated into the touch panel, then the device provides more control options, but electromagnetic interference and capacitive interference increase, degrading signal detection accuracy
Solution Approach 1:
The patent introduces an intermediary processing layer that includes signal preprocessing, interference identification, and correction mechanisms. This intermediary system separates the button signals from the touch panel signals through dedicated signal paths and processing algorithms, allowing both buttons and touch functionality to coexist without mutual interference, thereby maintaining high signal detection accuracy while providing multiple control options
3Adaptability or versatility
If additional buttons are added to the touch panel, then the device offers enhanced functionality, but the response time increases due to signal noise and interference
Solution Approach 1:
The patent implements preliminary signal processing and interference mitigation measures before the main signal detection and processing stages. By pre-conditioning the signals, pre-identifying potential interference sources, and pre-configuring correction parameters, the system minimizes processing delays during actual operation, thereby maintaining fast response times while supporting enhanced functionality through additional buttons
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
The solution enables faster response times and broader applicability of touch devices with integrated buttons by balancing signal-to-noise ratios, reducing electromagnetic and capacitive interference, and maintaining touch screen functionality.
Implementation Method 1
a capacitive button; a touch screen, the capacitive button being disposed on the touch screen... a sensing device connected to the touch screen and the capacitive button, and configured to sense first data at the button body placement portion and second data at the touch control portion in real time
Implementation Method 2
a computing unit connected to the sensing device, and configured to calculate a parameter adjustment amount for balancing a signal-to-noise ratio of an output signal of the button body placement portion and a signal-to-noise ratio of an output signal of the touch control portion based on the first data and the second data
Data Source
AI summary
A touch device and a touch device control method are provided. The touch device includes: a touch screen has a button body placement portion and a touch control portion located outside the button body placement portion; a capacitive button disposed on the touch screen and in the button body placement portion; a sensing device configured to sense first data at the button body placement portion and second data at the touch control portion; a computing unit configured to calculate a parameter adjustment amount for balancing a signal-to-noise ratio between the button body placement portion and the touch control portion based on the first data and the second data; and a balancing unit configured to regulate the touch screen according to the parameter adjustment amount.