Payment Terminal Card Type Identification
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Solution Overview
Problem
Existing merchant terminals are inefficient in differentiating between various types of payment cards, such as pin-based debit cards and signature debit cards, often requiring user input or queries to determine transaction processing rules, leading to cumbersome transaction processing.
Innovation Solution
The system configures payment terminals with a main module, reporting module, and electronic draft capture modules to automatically identify payment card types using a BIN table and fee parameters, allowing for differentiated processing of credit and debit card transactions within the terminal, enabling efficient fee assessment and transaction approval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If merchant terminals require user input or queries to determine payment card types, then transaction processing can be completed, but processing efficiency is reduced and operation becomes cumbersome
Solution Approach 1:
The terminal device automatically identifies payment card types by reading the BIN from the card data without requiring user input or external queries. The terminal self-determines the appropriate processing rules based on the identified card type, eliminating the need for manual intervention and improving processing efficiency.
Solution Approach 2:
The terminal device pre-loads a BIN table containing mapping relationships between BINs and payment card types. This preliminary preparation allows the terminal to quickly identify card types and apply appropriate processing rules during transactions, eliminating the need for real-time queries and improving operational efficiency.
2Reliability
If merchant terminals are configured to process different payment card types differently, then transaction processing becomes more accurate, but terminal complexity increases
Solution Approach 1:
The BIN table serves as an intermediary component that maps BINs to payment card types and processing rules. This intermediary structure allows the terminal to handle multiple card types through a unified identification mechanism, improving processing accuracy without significantly increasing overall system complexity.
Solution Approach 2:
The terminal configuration is segmented into distinct processing modules for different payment card types (e.g., credit card processing module, debit card processing module). Each module handles specific card types with dedicated rules, improving processing accuracy while maintaining manageable complexity through modular design.
3Productivity
If service fees are assessed for all debit card transactions, then merchant revenue increases, but compatibility with card payment network restrictions is compromised
Solution Approach 1:
The terminal applies different fee assessment rules to different types of debit cards based on their specific characteristics. PIN-based debit cards are assessed service fees while signature-based debit cards are not, allowing the system to optimize revenue where permitted while maintaining compatibility with network restrictions where required.
Solution Approach 2:
The system changes the fee assessment parameter based on the identified payment card type. When a PIN-based debit card is detected, the service fee parameter is activated; when a signature-based debit card is detected, the fee parameter is deactivated. This dynamic parameter adjustment allows the system to adapt to different network requirements while maximizing revenue opportunities.
Data Source
AI summary
In a payment terminal that includes a processor and a memory, a request is received to process a transaction using a payment card, the request specifying a transaction amount. It is determined whether the payment card is a debit card or a credit card. If the payment card is a debit card, a service fee to be added to the transaction amount is determined and added to the transaction amount. A request is sent to a payment processor to approve the transaction. If the transaction is approved, the transaction is processed such that a charge in the amount of the transaction amount plus the service fee is associated with the payment card.