Touch Panel Operation Item State Tracking via Visual Feedback
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Solution Overview
Problem
Existing consumer transaction facilities fail to inform users whether a previous operation item in a series of operating procedures has been maintained, leading to confusion and the need for restarting from the beginning.
Innovation Solution
A storage medium and information processing apparatus that displays operation items in a first and second manner, with the current operation item highlighted in the second manner, and changes the display of the next or previous operation items based on input data to indicate execution and maintenance states, ensuring users are aware of unmaintained previous operation items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the input state of already input items is not maintained, then the system cannot inform the user of the current state, but implementing state tracking increases system complexity
Solution Approach 1:
The system implements feedback by continuously monitoring input data and comparing it against the expected sequence of operation items. When a deviation is detected (i.e., the current input item does not match the expected next item), the system provides visual feedback by changing the display appearance of the operation item list to indicate the current state and any mismatches, thereby informing the user of the input state without requiring complex additional tracking mechanisms
Solution Approach 2:
The operation item list itself serves the dual function of displaying the sequence of operations and indicating the current input state through appearance changes. The list automatically updates its display based on the comparison between input data and the predefined sequence, eliminating the need for separate state tracking components and reducing overall system complexity
2Ease of operation
If the current operation item is highlighted to indicate it is being executed, then the user can easily identify the current item, but it becomes difficult to distinguish whether a previous item has not been maintained
Solution Approach 1:
The system applies different display qualities to different parts of the operation item list based on their state. The current operation item is highlighted with a first appearance (e.g., bold or different color) to indicate it is being executed, while previous operation items that have not been maintained are displayed with a second distinct appearance (e.g., dimmed or crossed out). This local differentiation allows users to simultaneously identify both the current item and the maintenance state of previous items without confusion
Solution Approach 2:
The system utilizes color or appearance changes to encode different states of operation items. When a previous operation item has not been maintained, its display appearance is changed (e.g., color change, shading, or styling) to visually distinguish it from items that have been properly maintained. This visual encoding allows users to quickly perceive the maintenance state of previous items while the current item remains clearly highlighted
Data Source
AI summary
An information processing apparatus includes an LCD and a touch panel, for example. On the LCD, a plurality of operation items making up of a series of operating procedures by means of a touch panel are displayed, and a current operation item out of them is highlight. Whether or not the current operation item is executed is determined on the basis of coordinate data via the touch panel, and whether or not a state attained by execution of a previous operation item has not been maintained is determined. In a case that it is determined that the previous operation item has not been maintained, the display of the current operation item is changed to a normal manner.