Touchless Speed Tendering for Self-Checkout Transaction Bottlenecks
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Solution Overview
Problem
Current self-checkout systems require multiple discrete actions from users, leading to long checkout lines, increased wear and tear on touch screens, and germ transmission, particularly in unattended environments where users may feel uncomfortable or unsure about using the technology.
Innovation Solution
Implementing a touch-less speed tendering option that allows users to complete transactions by scanning or swiping payment cards without needing to interact with the touch screen, reducing the number of steps required and enabling users to choose options like loyalty points and receipt preferences through configurable settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional self-checkout systems require multiple discrete actions from users, then transaction completeness and user guidance are improved, but transaction time increases and productivity decreases
Solution Approach 1:
The system performs preliminary actions by automatically detecting when items are placed in the bagging area, pre-calculating totals, and preparing payment interfaces before the user explicitly requests them. This eliminates the need for users to navigate through multiple discrete steps while ensuring all transaction components are ready for immediate completion.
Solution Approach 2:
The system provides self-service by using sensors and automated detection to identify when the user has finished selecting items and is ready to checkout, automatically transitioning to the payment stage without requiring explicit user commands. This maintains transaction completeness while significantly reducing the time and steps required.
2Ease of operation
If users repeatedly interact with touch screens to complete transactions, then transaction control and user guidance are improved, but touch screen wear increases and device lifespan decreases
Solution Approach 1:
The system replaces mechanical touch screen interactions with automated sensor-based detection. Weight sensors, optical sensors, and other non-contact detection mechanisms identify user actions and transaction stages, eliminating the need for repeated touch screen contact while maintaining full user control over the transaction process.
Solution Approach 2:
The system uses self-service detection mechanisms that automatically sense when users place items in the bagging area, when they are ready to pay, and when transactions are complete. This eliminates the need for users to repeatedly touch the screen to indicate their actions, extending touch screen lifespan while preserving user control.
3Adaptability or versatility
If multiple users share the same self-checkout terminal, then resource utilization is improved, but germ transmission between users increases
Solution Approach 1:
The system replaces mechanical contact interfaces with contactless sensor detection. Weight sensors and optical sensors detect user presence, item placement, and transaction completion without requiring physical contact, thereby eliminating germ transmission through shared touch surfaces while maintaining terminal availability for multiple users.
Solution Approach 2:
The system introduces sensor technology as an intermediary between users and the terminal. These sensors detect user actions and transaction states without direct contact, serving as a mediator that enables multi-user access while preventing germ transmission that would occur through direct touch screen contact.
4Ease of operation
If self-checkout systems provide detailed guidance through touch screen interactions, then new user comfort is improved, but transaction time increases
Solution Approach 1:
The system performs preliminary detection and preparation actions automatically, sensing when users need guidance and pre-loading appropriate information without requiring users to navigate through multiple screens. This provides comfort to new users while minimizing the time required for information delivery.
Solution Approach 2:
The system dynamically adjusts its interaction level based on detected user behavior. For users who appear uncertain or take longer to complete actions, the system provides more guidance. For confident users who move quickly, the system reduces interactions. This dynamic adaptation maintains user comfort while optimizing transaction time for each user type.
Data Source
AI summary
A checkout apparatus including a self-checkout unit having a product identification device, a payment identification device, a microprocessor and a point-of-sale system configured to allow a touchless speed tender transaction. The invention also includes an apparatus and method for offering a mode-driven and/or customer-driven checkout transaction.