Contactless Payment Terminal Scroll Dial Interface
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Solution Overview
Problem
Existing contactless payment systems lack the ability to easily facilitate customizable tipping and charity donations, often requiring cash or limited payment options, which can be inconvenient for users.
Innovation Solution
A mobile contactless payment terminal equipped with a contactless payment transceiver, display, and user input apparatus featuring a select input, increase input, and decrease input, allowing users to intuitively set a desired payment amount and initiate transactions using a scrollable dial or sliding switch, enabling quick and convenient contactless payments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If contactless payment terminals use preset amount options only, then transaction speed is improved, but payment flexibility deteriorates
Solution Approach 1:
The payment terminal dynamically adjusts the amount selection interface based on transaction context. The system transitions between preset amount options for quick transactions and custom amount input for flexible transactions, allowing the interface to adapt its degree of automation based on user needs and transaction type
Solution Approach 2:
The payment terminal integrates multiple payment amount selection methods into a single unified interface. It combines preset amount buttons, incremental adjustment controls, and custom amount input fields, allowing the same device to handle both quick preset transactions and customized amount transactions without requiring separate systems
2Reliability
If contactless payment terminals require PIN authentication for all transactions, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The payment terminal applies partial authentication based on transaction amount thresholds. For transactions below a certain threshold, only contactless validation is required. For transactions above the threshold, full PIN authentication is activated. This selective application of authentication maintains security for high-value transactions while enabling quick payments for low-value transactions
Data Source
AI summary
A payment terminal includes a contactless payment transceiver, a display, and user input apparatus with a select, increase and decrease input. The payment terminal will display an initial numerical value, and respond to an increase input by incrementing the numerical value; a decrease input by decrementing the numerical value; a select input by setting a transaction amount; and use the contactless payment transceiver to initiate execution of a transaction for the transaction amount with a contactless payment token. The user input apparatus includes an aspect movable to positions either side of a zero position and is mechanically biased to the zero position. The payment terminal can control the rate of incrementing and decrementing the numerical value depending on a detected amount of deflection of the aspect from the zero position.