Payment Card Magnetic Emulation for Faster Pre-POS Transactions

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Solution Overview

Problem

Traditional payment card transactions are time-consuming due to the need for users to wait in lines, interact extensively with ATMs and card readers, and perform multiple actions manually.

Innovation Solution

A payment card equipped with a magnetic emulator and processor that allows for the transmission of dynamic information to magnetic stripe readers without physical contact, enabling pre-transaction actions such as entering PINs, selecting tips, and making selections before reaching the point-of-sale (POS) device, using buttons and displays on the card.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If users perform actions manually at the POS device, then transaction security is maintained, but transaction time increases

Engineering Contradiction:

Improvetransaction securityVSAvoidtransaction time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by capturing user input (PIN, tip amount, transaction type) and encrypting it on the card device before the user reaches the POS terminal. This pre-processing of transaction data eliminates the need for manual input at the POS, reducing transaction time while maintaining security through encrypted pre-submitted data.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If users wait in line before performing actions at the ATM, then system reliability is maintained, but productivity decreases

Engineering Contradiction:

Improvesystem reliabilityVSAvoidtransaction throughput

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

Users can initiate and configure their ATM transactions in advance on their mobile devices while waiting in line. The card device stores this pre-configured transaction data encrypted, allowing the actual transaction execution at the ATM to be instantaneous, thereby increasing throughput without compromising system reliability.

Inventive Principle:

Principle #10Preliminary action

3Measurement precision

If users interact extensively with card readers, then transaction accuracy is ensured, but loss of time increases

Engineering Contradiction:

Improvetransaction accuracyVSAvoidinteraction time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The system transfers transaction data including encrypted PINs and authorization codes from the mobile device to the card device in advance. When the user presents the card at the POS terminal, the pre-loaded encrypted data is transmitted automatically, ensuring transaction accuracy through cryptographic verification while minimizing interaction time to simply presenting the card.

Inventive Principle:

Principle #10Preliminary action

4Reliability

If dynamic information is used for transactions, then security is enhanced, but device complexity increases

Engineering Contradiction:

Improvetransaction securityVSAvoidcard device complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The invention replaces complex mechanical and manual security verification systems with cryptographic algorithms implemented in software on the card device. Instead of complex physical authentication mechanisms, the system uses encrypted data transmission and digital signature verification, achieving enhanced security through information-theoretic methods rather than mechanical complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

Reduces transaction time by allowing users to perform necessary actions before reaching the POS device, minimizing interaction with card readers and ATMs, and enhancing security through dynamic information and PIN-based transactions.

Implementation Method 1

The magnetic emulator may be, for example, a circuit that emits electromagnetic fields operable to electrically couple with a read-head of a magnetic stripe reader

Methodology Applied

Scientific EffectElectromagnetic field generation: Electromagnetic Induction

Implementation Method 2

The switching circuit may control the direction and magnitude of current that flows through at least a portion of an emulator such that the switching circuit controls the direction and magnitude of the electromagnetic field created by at least that portion of the emulator

Methodology Applied

Scientific EffectElectrical current control: Ohm's Law

Data Source

PatentUS20250255493A1Payment cards and devices operable to receive point-of-sale actions before point-of-sale and forward actions at point-of-sale

Publication Date: 2025.08.14 DYNAMICS INC

AI summary

A payment card or other device (e.g., mobile telephone) is provided with a magnetic emulator operable to communicate data to a magnetic stripe read-head. A user can utilize buttons located on the card to perform activities that would otherwise be performed at an ATM, payment card reader, or by a waitress. A user can provide instructions on a card to accelerate a transaction. The information a user enters can be communicated to a point-of-sale device. For example, a user can enter into his/her card that the user desires $100 withdrawal from a checking account. The user can also enter his/her PIN into the card. The user can swipe his/her card into an ATM and instantly be provided with the desired $100.