Touch Panel Scroll Control via Input Area Detection
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Solution Overview
Problem
Existing game devices cannot freely scroll content displayed on a touch panel during a slide operation, limiting the ability to change the scrolling direction and speed, making it difficult to control the scrolling speed and movement amount.
Innovation Solution
A terminal device equipped with a touch operation detector, display controller, and input state detector that detects slide operations and touch inputs to control scrolling speed and movement based on the number of inputs and touch area, allowing for flexible scrolling and movement control during slide operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a touch panel is used for game operations, then the user interface is enhanced and can replace traditional controllers, but the scrolling direction and speed cannot be freely changed during slide operations
Solution Approach 1:
The patent applies parameter changes by detecting the touched area size during slide operations and dynamically adjusting scrolling parameters (speed and direction) based on the detected area. When a larger area is touched, the scrolling speed increases and direction can be freely changed, while smaller touched areas result in slower scrolling. This resolves the contradiction by making the touch panel operations adaptable to different user needs while maintaining ease of operation.
2Speed
If scrolling speed is changed based on depressed region area, then scrolling speed can be controlled, but scrolling direction and display manner cannot be changed
Solution Approach 1:
The patent makes the touched area detection serve multiple functions: it simultaneously controls scrolling speed, scrolling direction, and display manner. The same detected area parameter is used to adjust multiple scrolling characteristics, making the system versatile while maintaining simple operation. This resolves the contradiction by enabling both speed control and direction control through a single unified mechanism.
3Measurement precision
If multiple detection processes are implemented for slide operations, then input states can be accurately detected, but device complexity increases
Solution Approach 1:
The patent merges the detection of touched area size and slide operation direction into a single integrated detection process. Instead of implementing separate detection mechanisms for area and direction, the system combines these functions into one unified detection routine that processes touch input coordinates and calculates both area and direction simultaneously. This reduces device complexity while maintaining accurate input state detection.
Data Source
AI summary
A terminal device controls a scroll display process for scrolling and moving a display region part of content displayed on a touch panel based on a slide operation input, and detects, during the slide operation input, any one input state of the number of slide operation inputs being simultaneously executed and the touch area involved in the touching on the touch panel for execution of the slide operation input, and controls a scrolling speed, which represents a moving speed exhibited when the display region part of the content is scrolled in the scroll display process, or a scroll movement amount, which represents a movement amount by which the content is scrolled, during the slide operation input based on the detected input state.