Portable Device Transaction Option Selection Interface
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Solution Overview
Problem
The usability of portable devices like mobile phones and PDAs for navigating multiple transaction options in electronic payments is hindered by limited user interfaces, making it difficult for users to easily select and manage various payment, coupon, and loyalty program accounts.
Innovation Solution
A portable device with a user interface, memory for account information, and Near-Field Communication (NFC) capabilities, which applies selection rules to display and facilitate user selection of transaction options using buttons, a thumbwheel, or touch-sensitive regions, allowing for easy navigation and communication with merchant systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional menu navigation is used in portable devices, then multiple transaction options can be managed, but user interface complexity increases and ease of operation deteriorates
Solution Approach 1:
The patent segments the transaction options into distinct visual icons displayed in a scrollable list on the portable device screen. Each transaction option (payment methods, coupons, loyalty programs) is separated as an individual selectable item, allowing users to navigate through them sequentially using simple input mechanisms like a thumbwheel or touchscreen scrolling, thereby maintaining ease of operation while managing multiple options.
Solution Approach 2:
The patent introduces a visual display dimension by presenting transaction options as graphical icons or text lines on the screen rather than requiring hierarchical menu navigation. This dimensional shift from nested menus to a linear scrollable list simplifies user interaction while accommodating multiple transaction options in a single viewable interface.
2Adaptability or versatility
If multiple accounts and transaction options are added to the portable device, then functionality increases, but device complexity increases
Solution Approach 1:
The patent implements a universal interface structure where a single scrollable display mechanism handles diverse transaction options including payment accounts, coupons, and loyalty programs. This multi-functional approach allows the same interface elements and navigation methods to manage various types of accounts and transactions, increasing functionality without proportionally increasing interface complexity.
Solution Approach 2:
The patent uses standardized visual representations (icons or text lines) to represent different types of transaction options. Each account or option is copied using the same display format and selection mechanism, allowing the system to handle multiple diverse accounts through a uniform, simple interface pattern rather than requiring unique complex controls for each account type.
3Device complexity
If limited user interface elements are used, then device simplicity is maintained, but ease of operation for multiple options deteriorates
Solution Approach 1:
The patent implements dynamic scrolling capability where the display can move through multiple transaction options vertically on the screen. This dynamic element allows a limited set of visible interface elements to access a larger number of options by scrolling, maintaining device simplicity while significantly improving ease of operation for selecting among multiple accounts and transactions.
Solution Approach 2:
The patent employs periodic scrolling action where users can cycle through transaction options in discrete steps using simple input mechanisms like a thumbwheel or successive touchscreen taps. This periodic navigation pattern allows efficient traversal of multiple options using minimal interface elements, maintaining simplicity while enabling easy operation across all available choices.
Data Source
AI summary
A portable device authorizes a payment transaction from an account associated with the portable device. The portable device comprises a communication system, such as a near field communication (NFC) system, for communicating with a transaction system of a merchant or other receiving entity, a user interface, a memory storing account information for each of a plurality of accounts, and a transaction application. The transaction application applies at least one predetermined selection rule to the plurality of accounts to determine a selected subset of the plurality of accounts. A display of the user interface displays, under control of the transaction application, a plurality of transaction option indicators. Each transaction option indicator, which may be text or graphic, represents a one of the accounts within the selected subset of accounts. The transaction application prompts user selection of a selected one of the transaction option indicators. The transaction application drives the communication system to exchange data with the transaction system of a merchant or other receiving entity to initiate a payment to the merchant. The payment being from the payment account associated with the selected one of the transaction option indicators.