Touch Interface Feedback for Press Duration Input Signals
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Users of touchscreen interfaces in vehicles and mobile devices often struggle to understand that different input signals are generated based on the duration of actuation, leading to confusion and potential incorrect input signals, especially in environments where information must be quickly and intuitively accessed without distracting the user.
Innovation Solution
A method where the button is divided into an inner and outer display area, with the outer area changing over time to visualize the duration of actuation, providing a graphical, acoustic, or haptic feedback to indicate different input signals, allowing users to differentiate between brief and long actuations without prior indication, thus simplifying and accelerating the input process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If different input signals are generated based on actuation duration without prior indication, then the interface remains simple and operation is quick, but users cannot understand the different signals and may generate incorrect inputs
Solution Approach 1:
The system performs preliminary action by displaying a visual indicator (e.g., a bar or progress element) that shows the current actuation duration and the threshold for generating a different input signal. This preliminary visual feedback allows users to understand the relationship between actuation duration and input signal generation before actually making the input, thereby preventing incorrect inputs while maintaining quick operation.
Solution Approach 2:
The system implements feedback by providing real-time visual information during the actuation process. The display shows the elapsed time or progress toward the threshold, giving users immediate feedback about what input signal will be generated based on their current actuation duration. This feedback loop enables users to adjust their actuation to achieve the desired input signal.
2Loss of information
If information about different input signals is displayed before actuation, then users understand the signals better, but the driver's information intake causes distraction while driving
Solution Approach 1:
The system displays the threshold indicator or guidance information just before or during the actuation process rather than requiring prolonged pre-actuation display. This preliminary visual cue is sufficient to guide user understanding without requiring extended attention away from the road, thereby reducing driver distraction while maintaining information delivery.
Solution Approach 2:
The system provides partial information (e.g., a simple visual bar showing progress toward a threshold) rather than complete detailed instructions. This partial information is sufficient to guide user understanding of the actuation duration requirement without overwhelming the user with excessive information that would require more attention and cause greater distraction.
3Device complexity
If the button design is simplified without visual duration indicators, then the interface remains clean and simple, but users are unaware that longer touch generates different input signals
Solution Approach 1:
The system displays a visual indicator (such as a progress bar or threshold marker) that appears when the button is pressed, showing the duration required to generate a different input signal. This preliminary visual guidance is integrated into the button interaction itself rather than requiring separate controls or complex interface elements, maintaining interface simplicity while improving user awareness.
Solution Approach 2:
The system uses color changes or visual transformations of the button or associated indicator to communicate actuation duration and impending input signal changes. For example, the button may change color, glow, or show a progress indicator that becomes more prominent as the actuation duration approaches the threshold, providing intuitive visual feedback without adding complex interface elements.
Data Source
Figure 1~2
Figure 3~6
AI summary
The method involves producing an input signal by manipulation of operating elements (5) for a time interval and producing another input signal by manipulation of the operating elements for another time interval. The latter time interval is larger than the former time interval. A report is send after the initial manipulation of the operating elements, where different input signals are produced on the basis of the duration of manipulation of the operating elements. An independent claim is also included for an operating element, which has an output device.