Miniaturized Mobile Card Reader for Secure P2P Transactions
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Solution Overview
Problem
Current magnetic stripe card readers are large and inflexible, making it impossible for individuals to use credit or debit cards for personal payments between non-merchants through a mobile device, lacking real-time confirmation and fraud prevention mechanisms.
Innovation Solution
A miniaturized card reader connected to a mobile device that decodes magnetic stripe data, verifies transactions with a third-party financial institution, and provides real-time payment confirmation, ensuring the buyer's authorization and presence, while maintaining card information privacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional magnetic stripe card readers are used, then card reading function is achieved, but device size is large and portability is poor
Solution Approach 1:
The patent combines the card reader functionality with a mobile device, integrating the read head, decoding system, and transaction processing into a single portable unit that connects to the mobile device via audio jack or other interface, eliminating the need for separate large card reader equipment
Solution Approach 2:
The mobile device serves multiple functions including card reading, decoding, transaction authorization, and communication with financial institutions, replacing the need for dedicated card reading equipment and enabling both merchant and buyer to use the same device
2Productivity
If card information is transmitted to merchants, then transaction processing is enabled, but card information privacy is compromised
Solution Approach 1:
The patent introduces a decoding system and transaction engine that act as intermediaries between the card reader and the merchant, where card information is decoded and processed without being directly shared with the merchant, and only transaction authorization is transmitted to the financial institution
Solution Approach 2:
The system creates a digital copy of the magnetic stripe data through the decoding system, processing this copy for transaction authorization without transmitting the actual card information to the merchant or financial institution
3Reliability
If real-time transaction confirmation is implemented, then fraud prevention is improved, but system complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the transaction engine receives real-time authorization responses from the financial institution and provides immediate confirmation to the user, enabling fraud prevention through verified transaction status without complex additional hardware
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables secure, real-time financial transactions between individuals using a mobile device, reducing fraud risks and eliminating the need for expensive card readers, allowing individuals to act as micromerchants or buyers without sharing card information.
Implementation Method 1
The magnetic stripe card is capable of storing data by modifying the magnetism of magnetic particles embedded in the stripe. The data stored on the magnetic stripe may be sensed or read by swiping the stripe past a read head.
Data Source
AI summary
A system is provided that includes a transaction engine running on a mobile device. In response to a financial transaction between a buyer and a seller, the transaction uses the mobile device to accept information selected including but not limited to information from financial transaction or information pertaining to financial transaction card used by the buyer in the transaction. At least a portion of this information is communicated with a third party financial institution or payment network to authorize the transaction. Encrypted information is sent to the third party payment system authorizing a financial transaction.