Handheld Device MST Payment via Magnetic Field Signals
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Solution Overview
Problem
Conventional card reading apparatuses, especially those in offline environments, lack the infrastructure for Near Field Communication (NFC) and are unable to facilitate payments with handheld electronic devices, limiting their functionality in recognizing and processing information from magnetic cards.
Innovation Solution
A handheld electronic device equipped with a processor, memory, and antennas, capable of storing payment information and transmitting it via magnetic field signals, allowing users to make payments by simply holding the device near a card reading apparatus, utilizing technologies like Magnetic Secure Transmission (MST) for unidirectional communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional card reading apparatuses are used in offline environments, then they can recognize magnetic cards, but they cannot facilitate payments with handheld electronic devices due to lack of NFC infrastructure
Solution Approach 1:
The handheld electronic device generates magnetic field signals that replicate the magnetic patterns of traditional magnetic cards. By copying the magnetic field characteristics that conventional card readers are designed to detect, the system enables payment functionality without requiring NFC infrastructure in the card reading apparatus.
Solution Approach 2:
The invention replaces the mechanical card-swiping action with electronic magnetic field signal generation. Instead of physically moving a magnetic card through a reader, the handheld device electronically generates and transmits magnetic field signals that mimic card data, eliminating the need for physical card infrastructure.
2Adaptability or versatility
If NFC communication is implemented for payment, then payment capability is improved, but infrastructure requirements increase
Solution Approach 1:
The handheld electronic device acts as an intermediary that translates between NFC-style digital payment data and traditional magnetic field signals. It generates magnetic field patterns that conventional readers can interpret, serving as a bridge between modern payment systems and legacy infrastructure without requiring infrastructure upgrades.
Solution Approach 2:
The system changes the physical parameter of signal transmission from requiring NFC electromagnetic coupling to generating detectable magnetic field patterns. By altering the signal characteristics to match what conventional magnetic card readers expect, the invention enables compatibility without infrastructure changes.
3Adaptability or versatility
If magnetic field signals are transmitted for payment, then offline transaction support is improved, but signal transmission reliability may be affected
Solution Approach 1:
The magnetic field signals are transmitted in periodic pulses rather than continuously. This periodic transmission allows for signal synchronization, error detection, and retransmission if needed, improving reliability while maintaining offline transaction capability.
Solution Approach 2:
The system incorporates feedback mechanisms where the handheld device monitors the transmission environment and adjusts signal parameters accordingly. By detecting signal strength and interference levels, the device can optimize transmission parameters to maintain reliable communication in offline magnetic field-based payment transactions.
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 easy and secure payment processes without the need for physical cards, supporting offline transactions and enhancing the usability of card reading apparatuses by mimicking the magnetic field interaction of traditional magnetic cards.
Implementation Method 1
transmit, according to the determination as to whether a payment process starts, a first signal related to the payment information via the first antenna
Implementation Method 2
allow an external device to read the payment information via the second antenna
Data Source
AI summary
Various embodiments provide a handheld electronic device capable of magnetic field communication. The handheld electronic device includes: a first cover, a second cover, a memory, a display, a processor, first and second antennas, and at least one sensor. The memory stores instructions that enable the processor to: store payment information in the memory; display at least one image or text related to the payment information on the display, in response to at least part of a user input; determine whether a payment process starts by using the electronic device; and transmit, according to the determination as to whether a payment process starts, a first signal related to the payment information via the first antenna, and allow an external device to read the payment information via the second antenna.