Touch Screen Device with Divided Detection Areas for Icon Selection
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Solution Overview
Problem
Small-sized portable information terminals face challenges in user convenience due to densely arranged icons on touch screens, leading to high probabilities of finger touch errors when selecting desired functions.
Innovation Solution
A touch screen device with a divided detection unit into execution and selection areas, where the controller moves menu images to the execution area upon touch detection in the selection area, allowing continuous movement and execution of menus upon release, thereby minimizing errors and enhancing user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If icons are densely arranged on small touch screens to provide all functions, then the device can be compact and portable, but finger touch errors increase and user convenience deteriorates
Solution Approach 1:
The detection unit is divided into multiple detection regions (first detection region and second detection region). When a touch is detected in the first detection region, the system moves the selected icon to a different position rather than directly executing it. This segmentation of the detection unit allows the system to distinguish between navigation touches and execution touches, reducing accidental executions while maintaining compact device size.
Solution Approach 2:
The first detection region acts as an intermediary zone between the icon display area and the execution area. Touches in this intermediate region trigger icon repositioning rather than direct execution, providing a buffer that prevents accidental icon executions while maintaining the ability to access all functions on a compact screen.
2Area of stationary object
If a touch screen is used to replace key buttons to maximize display size, then portability is improved, but icon selection becomes difficult on small screens
Solution Approach 1:
The system dynamically changes the position of selected icons based on touch detection results. When a user touches the first detection region, the selected icon moves to a new position, allowing users to navigate through icons by touching different regions. This dynamic repositioning makes icon selection easier on small screens while maintaining maximum display area.
Solution Approach 2:
The system provides visual feedback by moving the selected icon to a different position when touched in the first detection region. This feedback mechanism helps users understand their navigation progress and makes icon selection more intuitive on small touch screens, improving ease of operation without reducing display area.
3Adaptability or versatility
If all menu functions are displayed on the screen for touch selection, then device functionality is comprehensive, but the probability of touch errors increases on small screens
Solution Approach 1:
The detection unit is segmented into multiple functional regions with different behaviors. The first detection region triggers icon repositioning while the second detection region triggers icon execution. This segmentation allows comprehensive device functionality to be accessed while reducing touch input errors by providing distinct navigation and execution zones.
Solution Approach 2:
Different regions of the detection unit have different local qualities or functions. The first detection region is configured for navigation (moving icons), while the second detection region is configured for execution (selecting icons). This local differentiation improves reliability by reducing the probability of accidental executions while maintaining comprehensive device functionality.
Data Source
AI summary
A touch screen device and an operating method are provided in which only a specific position on a touch screen is activated to receive signals. The touch screen device includes a screen including a display configured to display menu images thereon and a detector configured to detect a screen touch, and a controller configured to control operations of the device according to the screen touch detected by the detector. The controller may cause the detector to be divided into an execution area configured to execute a menu when the menu placed on the execution area is touched, and a selection area configured to sequentially move the menu images to the execution area when the selection area is touched. Alternatively, the controller may cause the detector to be divided into a moving area configured to move a menu from a touch point along a drag line while the menu is dragged, and an execution area configured to execute the relevant menu when the touch on the execution area is released. With a touch screen device so configured, the menus are executed only in a limited execution area.