Dynamic Transaction Card Drop Detection and Security

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Solution Overview

Problem

Current transaction cards, such as credit and debit cards, have limited capabilities including display, processing, and security features, making it difficult to prevent physical loss and fraudulent transactions, as they lack immediate detection of drops or unauthorized use.

Innovation Solution

A dynamic transaction card with multiple interconnected layers, including sensors, a microcontroller, EMV chip, display components, and communication technologies like NFC and Bluetooth, which allows for real-time data updates, user notifications, and secure transactions, enabling activation/deactivation and improved security features.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional magnetic stripe or EMV chip cards are used, then transaction processing is simple and device structure is basic, but security capabilities are limited and drop detection is impossible

Engineering Contradiction:

Improvesecurity capabilitiesVSAvoiddevice structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple previously separate components into a single card structure: EMV chip for secure transactions, accelerometer for drop detection, display components for visual feedback, and communication modules all integrated within one card body. This merging enables enhanced security and functionality without requiring multiple separate devices.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The dynamic transaction card performs multiple functions simultaneously: it processes EMV transactions, detects drops via accelerometer, displays account information, communicates with mobile devices, and provides haptic feedback. This multi-functionality consolidates what would traditionally require separate devices into a single universal card solution.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Difficulty of detecting and measuring

If traditional transaction cards are used, then device complexity is low, but immediate detection of drops or unauthorized use is not possible

Engineering Contradiction:

Improvedrop detection capabilityVSAvoidsensor integration

Core Design Contradiction:

Difficulty of detecting and measuringVSDevice complexity

Solution Approach 1:

The patent replaces the need for manual card monitoring with an electronic accelerometer-based detection system. The accelerometer automatically detects drops and unauthorized use by measuring motion patterns, eliminating the need for user awareness or manual tracking of card location and status.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The card autonomously monitors itself for drops and unauthorized use through integrated sensors and processing components. The system self-detects, self-notifies the user via display and haptic feedback, and self-protects by enabling/disabling transactions based on detected events, without requiring external monitoring systems.

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If dynamic components like sensors, display, and communication modules are added to the card, then security and user interaction are enhanced, but manufacturing complexity increases

Engineering Contradiction:

Improveuser interaction capabilityVSAvoidmanufacturing process

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The card is designed with distinct functional layers or modules: EMV chip layer, sensor layer, display layer, and communication layer. This segmentation allows each component to be manufactured and tested separately before final assembly, simplifying the manufacturing process despite the complexity of the integrated system.

Inventive Principle:

Principle #1Segmentation

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

The dynamic transaction card enhances security and user interaction by providing real-time account updates, immediate drop detection, and secure communication, reducing physical loss and fraudulent transactions while improving user experience.

Implementation Method 1

The detection of free fall or impact may include detecting a decreased gravitational pull on the dynamic transaction card due to having been dropped, or an increased acceleration resultant from impact of a dropped card with a surface

Methodology Applied

Scientific EffectAccelerometer detection: Accelerometer

Data Source

PatentUS10997588B2Dynamic transaction card protected by dropped card detection

Publication Date: 2021.05.04 CAPITAL ONE SERVICES LLC

AI summary

A dynamic transaction card that includes a transaction card having a number of layers, each of which may be interconnected to one another. For example, a dynamic transaction card may include an outer layer, a potting layer, a sensor layer that may detect and identify a card free fall and/or subsequent impact, which may trigger a microcontroller to send a mobile notification to a cardholder notifying the user that the card has been dropped, and/or may disable or deactivate the card and/or a user account associated with the card, a display layer (including, for example, LEDs, a dot matrix display, and the like), a microcontroller storing firmware, Java applets, and the like, an EMV chip, an energy storage component, one or more antenna (e.g., Bluetooth antenna, NFC antenna, and the like), a power management component, a flexible printed circuit board (PCB), a chassis, and/or a card backing layer.