Touch Screen Scan Direction Switching for Faster Key Hot Zones
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Solution Overview
Problem
Conventional touch screens adjust hardware scanning frequency to enhance touch response speed, which increases hardware costs and limits further improvements.
Innovation Solution
Adjust the sampling duration of the hardware sampling stage by altering the scanning direction of the touch screen based on the position of the key hot zone, allowing for dynamic adjustment of touch response speed without increasing hardware costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If hardware scanning frequency is increased to improve touch response speed, then touch response speed is improved, but hardware costs increase and hardware complexity increases
Solution Approach 1:
The patent applies dynamics by making the scanning direction adjustable rather than fixed. The scanning direction is dynamically changed based on the position of the key hot zone, allowing the system to optimize touch response speed for different interaction scenarios without hardware changes. This resolves the contradiction by providing software-based flexibility to improve performance.
Solution Approach 2:
The patent changes the scanning direction parameter based on the key hot zone position. By adjusting this parameter dynamically, the system can optimize the sampling duration and touch response speed without modifying hardware scanning frequency or complexity, thus resolving the contradiction between speed improvement and hardware complexity.
2Speed
If hardware scanning frequency is increased to improve touch response speed, then touch response speed is improved, but hardware costs increase
Solution Approach 1:
The system dynamically adjusts scanning direction based on key hot zone position, providing software-based optimization for touch response speed. This eliminates the need for expensive hardware upgrades while achieving performance improvements, directly resolving the contradiction between speed and cost.
Solution Approach 2:
The patent replaces hardware-based speed improvement (increasing scanning frequency) with a software-based approach (changing scanning direction). This substitution allows touch response speed optimization without the associated hardware cost increases, resolving the contradiction between performance and manufacturing cost.
3Device complexity
If fixed scanning manner is used to simplify hardware design, then hardware complexity is reduced, but touch sensitivity and user experience are limited
Solution Approach 1:
The patent introduces dynamic scanning direction adjustment based on key hot zone position, enhancing touch sensitivity without increasing hardware complexity. The scanning manner adapts to different interaction scenarios, improving user experience while maintaining hardware simplicity.
Solution Approach 2:
The system applies different scanning directions for different regions (key hot zones) on the touch screen. By localizing the scanning optimization to specific areas where users interact most frequently, the system improves touch sensitivity in critical regions without requiring complex hardware changes across the entire device.
Data Source
AI summary
This application provides a touch scanning method, a touch screen, and an electronic device. The method includes: displaying, by an electronic device, a first interface, and performing touch operation scanning on a touch screen in a first scanning manner; and performing, when switching to a second interface, touch operation scanning on the touch screen in a second scanning manner associated with a first area, where a key hot zone in the second interface is located in the first area, and the first area is a position of the key hot zone in the second interface corresponding to the touch screen; and the first scanning manner and the second scanning manner have different scanning directions.