Dual-Display SST With Animated Feedback Interface
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Solution Overview
Problem
Self-service terminals (SSTs) can be intimidating for inexperienced consumers, leading to frustration and frequent requests for assistance, which is costly for enterprises. Additionally, SSTs often have limited functionality due to security concerns and the constraint of a single display.
Innovation Solution
A dual-display terminal with a primary display for transaction processing and a secondary display featuring an animated feedback interface. The animated feedback interface renders animated eyes expressing various emotions or guidance, synchronized with the transaction state, to provide universally understood visual feedback to consumers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single display is used in the SST, then the device complexity is reduced, but the ease of operation deteriorates due to limited space for providing effective assistance and functionality
Solution Approach 1:
The display system is segmented into two separate displays: a primary display for transaction processing and a secondary display for animated feedback. This segmentation allows each display to have specialized functionality, improving ease of operation without significantly increasing overall device complexity since both displays share the same hardware architecture and control system.
Solution Approach 2:
The secondary display is designed to serve multiple functions: providing animated feedback during transactions, displaying promotional content when the SST is idle, and offering guidance to inexperienced consumers. This multi-functionality maximizes the utility of the additional display while justifying the increased device complexity through enhanced versatility.
2Ease of operation
If new software functionality is integrated into the SST interface to improve consumer assistance, then the ease of operation improves, but reliability deteriorates due to potential security holes
Solution Approach 1:
The animated feedback interface is implemented as a localized software module that operates independently from the core transaction processing system. This modular approach allows the new functionality to be isolated, so that even if security vulnerabilities exist in the animated interface, they cannot compromise the reliability of the transaction processing system.
Solution Approach 2:
An agent component serves as an intermediary between the transaction interface and the animated feedback interface. This intermediary layer manages state changes and coordinates communication between the two interfaces, allowing the animated feedback to enhance ease of operation while maintaining security boundaries that protect transaction reliability.
3Productivity
If the SST interface provides more functionality to attract consumers, then productivity increases, but device complexity increases due to additional software and display requirements
Solution Approach 1:
The secondary display dynamically adapts its content based on the transaction state. During active transactions, it provides relevant feedback and guidance; during idle periods, it displays promotional material to attract consumers. This dynamic behavior increases productivity by maximizing user engagement at all times without requiring complex additional hardware.
Solution Approach 2:
The animated feedback interface provides continuous useful action by maintaining engagement with consumers throughout the entire transaction process and during idle periods. The interface continuously updates based on transaction state changes, ensuring that consumers receive ongoing guidance and feedback, which improves productivity without requiring periodic interruptions or additional manual interventions.
Data Source
AI summary
A terminal with two separate displays is provided. The primary display is controlled by a transaction interface for performing transactions. The secondary display is controlled by an animation interface for rendering animations on the secondary display. An agent provides state transitions in the transaction interface to the animation interface and the animation interface transitions the animations rendered on the secondary display based on state changes reported by the agent. The animations rendered on the secondary display provide guidance, positive, and negative feedback to a consumer performing a transaction on the terminal through the transaction interface.