Touch Control Value Setting with Equal-Size Partitioned Areas
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Solution Overview
Problem
Existing control value setting devices struggle with ease of operation, particularly when the user cannot view the screen, as the amount of change in control values varies with sliding direction, making it difficult to set intended values.
Innovation Solution
A control value setting device and program that displays control value setting areas partitioned into equal-sized regions, allowing users to set control values by sliding their finger within these areas, with audio and vibration feedback to indicate selections, ensuring consistent value changes regardless of direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a virtual controller is displayed on a touch panel and control values are set by sliding operations, then the device enables touch-based control value setting, but the amount of change in control value varies depending on sliding direction when touch position is near screen ends
Solution Approach 1:
The touch panel screen is divided into multiple equal-sized first areas corresponding to different control values. Each area represents a discrete control value step, allowing users to set precise values by touching specific regions rather than relying on variable sliding distances. This segmentation ensures that each area provides a consistent control value increment regardless of position on the screen.
Solution Approach 2:
Different regions of the screen are assigned different control values based on their position within the divided areas. Each first area has a specific control value associated with it, creating local quality variations across the screen. This allows the system to provide consistent control value changes locally within each area while maintaining overall screen coverage.
2Productivity
If control values are set by sliding distance on a virtual controller, then the system responds to continuous finger movement, but it becomes difficult for users to set intended control values when they cannot view the screen
Solution Approach 1:
The continuous sliding operation is replaced with discrete area-based selection. The screen is segmented into multiple first areas, each corresponding to a specific control value. Users touch within an area to select its associated control value, providing precise and repeatable settings without requiring visual feedback or careful control of sliding distance.
Solution Approach 2:
The system provides audio feedback and vibration feedback to confirm control value selection. When a user touches within a first area, the system outputs audio information corresponding to the selected control value and generates vibration feedback, allowing users to verify their selection without viewing the screen. This feedback mechanism ensures accurate control value setting while maintaining operational speed.
Data Source
AI summary
A control value setting device for setting a control value for controlling a predetermined function includes: a position acquisition unit that acquires a user's touch position and a detach position with respect to a touch operation-enabled region within a screen; an area display unit that, when the touch position is acquired by the position acquisition unit, displays control value setting areas partitioned into a plurality of first areas corresponding to the different control values in the area according to the acquired touch position in the area; and a control value setting unit that sets a control value associated with a first area including the acquired detach position when the detach position is acquired in the first area by the position acquisition unit. The plurality of first areas includes parts lined in at least a predetermined direction in an equal size.