Dynamic Magnetic Stripe Emulator for Contactless Card Communication
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current card systems lack efficient and versatile methods for dynamic communication with both magnetic stripe readers and RFID devices, limiting their functionality in mobile payment and data exchange applications.
Innovation Solution
The development of a card with a dynamic magnetic communications device that includes a magnetic encoder or emulator, integrated circuits, touch-sensitive displays, and RFID antennas, allowing for communication with both magnetic stripe readers and RFID devices through electromagnetic fields and contactless data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a card system uses traditional static magnetic stripe communication, then compatibility with existing magnetic stripe readers is maintained, but communication versatility and dynamic data exchange capability are limited
Solution Approach 1:
The card system integrates multiple communication interfaces including magnetic stripe readers, RFID readers, and NFC readers into a single device. The reader device can automatically detect the type of card present and switch between different communication protocols (magnetic, RFID, NFC) to communicate with the card, enabling one device to perform multiple functions and communicate with various card types through different technologies
Solution Approach 2:
The patent embeds multiple communication technologies within the card structure itself. The card contains both traditional magnetic stripe elements and embedded RFID/NFC components, allowing the card to function across multiple communication paradigms. The reader device similarly nests multiple reader types (magnetic stripe reader, RFID reader, NFC reader) within a single housing, creating a multi-functional device that can handle different card types
2Adaptability or versatility
If a card system implements multiple communication interfaces (magnetic stripe, RFID, NFC), then communication versatility is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple previously separate devices (magnetic stripe reader, RFID reader, NFC reader) into a single integrated reader device. The reader housing contains all three reader components and control logic that automatically selects and switches between different communication protocols based on the card type detected, merging the functionality of multiple devices into one unified system
Solution Approach 2:
The reader device is designed with universal compatibility to read all types of cards including magnetic stripe cards, RFID cards, and NFC cards. The device incorporates multiple reader interfaces and uses detection logic to identify the card type and activate the appropriate communication protocol, making the device versatile enough to handle various card technologies without requiring separate dedicated readers for each type
3Productivity
If dynamic magnetic communications devices are used, then data exchange efficiency is improved, but manufacturing precision requirements increase
Solution Approach 1:
The magnetic emulator generates electromagnetic fields that replicate the signal characteristics of traditional magnetic stripe communication. Instead of physically rewriting magnetic information on the card stripe, the emulator creates a copy of the magnetic signal pattern electronically and transmits it through electromagnetic fields, allowing magnetic stripe readers to read data without actual magnetic contact or physical modification of the card
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 seamless communication with various payment systems, including magnetic stripe readers and RFID devices, enhancing the card's functionality in mobile payment transactions and data exchange, while ensuring secure data handling and reduced skimming risks.
Implementation Method 1
A magnetic encoder, for example, may be utilized to modify information that is located on a magnetic medium, such that a magnetic stripe reader may then be utilized to read the modified magnetic information from the magnetic medium.
Implementation Method 2
A magnetic emulator, for example, may be provided to generate electromagnetic fields that directly communicate data to a read-head of a magnetic stripe reader.
Implementation Method 3
A contactless device (e.g., one or more RFID antennas and one or more associated RFID chips) may be included in a card, for example, to exchange information with an RFID device.
Implementation Method 4
Electrodes of a display may be coupled to one or more touch sensors, such that a display may be sensitive to touch (e.g., using a finger or a pointing device) and may be further sensitive to a location of the touch.
Implementation Method 5
One or more detectors may be provided in a card, for example, to sense the presence of an external object, such as a person or device, which in turn, may trigger the initiation of a communication sequence with the external object.
Data Source
AI summary
A card may be formed using two or more printed circuit boards. Each printed circuit board may include one or more RFID antennas, RFID chips and a processor. A processor on a board may transfer data to one or more RFID chips on the same board. Alternately, a processor on a board may transfer data to one or more RFID chips on a different board via conductive terminals between boards. Data stored in one or more RFID chips may be erased after being communicated to an RFID device via an RFID antenna or after a configurable timeout period elapses. A card and a mobile device may include more than one RFID antenna to increase efficiency, reliability, and/or a number of data channels that may be communicated.