ATM Control Bar Adaptability Across Display Dimensions
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Solution Overview
Problem
Self-service devices, such as ATMs, face challenges in configuring operating buttons to match display units of different dimensions, leading to potential misinterpretation and inefficient use of space.
Innovation Solution
The control buttons are integrated into a control bar with a length set as the mean value between the minimum and maximum center distances of display fields across various screen sizes, ensuring a direct and clear assignment, even with differently dimensioned display units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If control buttons are arranged at fixed distances from one another, then the assignment to display fields is clear, but the configuration cannot adapt to display units with different dimensions
Solution Approach 1:
The patent applies parameter changes by making the control buttons adjustable in their horizontal position along the display unit edge. The buttons can be moved to different locations depending on the display unit's dimensions, allowing the same button configuration to adapt to various screen sizes while maintaining clear association with display fields.
Solution Approach 2:
The patent implements universality by designing a single button configuration that can serve multiple display unit sizes. The control buttons are positioned such that they can accommodate different display field arrangements, making the operating unit universally applicable to ATMs with various display dimensions without requiring redesign.
2Area of stationary object
If display fields are uniformly distributed along the edge, then the display area is optimally utilized, but the distances between control buttons must be varied to ensure clear association
Solution Approach 1:
The patent applies local quality by allowing different horizontal positions for control buttons along the display unit edge, depending on the specific display field arrangement. While display fields remain uniformly distributed for optimal area utilization, the buttons can be locally adjusted to maintain clear association, balancing space efficiency with operational clarity.
3Ease of operation
If control buttons are positioned close to display fields, then the assignment is direct and clear, but the buttons may overlap with display fields in terms of vertical position
Solution Approach 1:
The patent resolves this contradiction by utilizing the horizontal dimension for button positioning rather than vertical positioning. Buttons are arranged horizontally along the display unit edge at appropriate distances from each other, while all buttons align with the display field edge in the vertical direction. This dimensional separation ensures clear horizontal association with display fields while preventing vertical overlap that could cause misinterpretation.
Data Source
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AI summary
The invention relates to a self-service device, in particular a cash dispenser, comprising a display unit for displaying alphanumeric and/or graphic information, a control unit containing a control field that is placed at a distance from the display unit, for entering digits and/or control data, and a plurality of control buttons that extend in the region of one edge of the display unit and that are each associated with one display field of the display unit. The control buttons are integrated into a control strip with adjacent control buttons lying immediately next to one another. Said buttons are longer than the respective display fields and can thus each be assigned to display fields of several display units with different configurations.