Payment Card Damage Detection and Health Status Display

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Solution Overview

Problem

Payment cards are prone to physical damage from frequent use, leading to failed transactions and unnecessary card replacements, with cardholders unaware of the damage and issuers incurring costs for issuing new cards, even when the old cards are still valid.

Innovation Solution

Incorporating an interconnection circuit and damage sensor in the payment card to detect physical damage and display a health status on a display section, allowing cardholders to be aware of the card's condition and enabling issuers to determine if a new card is needed or if the card's validity should be extended.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If payment cards are used frequently for transactions, then transaction convenience is improved, but physical damage to the card increases

Engineering Contradiction:

Improvetransaction frequencyVSAvoidcard physical condition

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The damage sensor and interconnection circuit continuously monitor the card's physical condition before actual damage occurs. The system detects early signs of damage (such as bending, scratching, or structural changes) and alerts the cardholder in advance, allowing them to replace the card before it becomes completely non-functional and causes transaction failures.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If cardholders replace damaged cards immediately, then transaction reliability is improved, but unnecessary replacements increase costs

Engineering Contradiction:

Improvetransaction success rateVSAvoidissuance cost

Core Design Contradiction:

ReliabilityVSLoss of energy

Solution Approach 1:

The system provides real-time feedback about the card's physical condition through the display section. The damage sensor continuously monitors structural integrity and communicates status to the cardholder via visual indicators (LED lights or display segments). This feedback loop allows cardholders to make informed decisions about when replacement is actually necessary, rather than replacing cards based on assumptions or after transaction failures occur.

Inventive Principle:

Principle #23Feedback

3Measurement precision

If the payment card structure is made more complex to include damage detection, then card health monitoring is improved, but device complexity increases

Engineering Contradiction:

Improvedamage detection accuracyVSAvoidcard structure

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The damage detection functionality is merged with the existing card structure by integrating the damage sensor and interconnection circuit into the card body itself. The sensor utilizes the card's existing layers and materials, and the interconnection circuit leverages the card's existing electrical pathways. This merging approach allows damage monitoring without significantly increasing overall card complexity or size.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS11443156B2Methods and systems for displaying health status of a payment card

Publication Date: 2022.09.13 MASTERCARD INT INC

AI summary

Embodiments provide methods and systems for determining and displaying health status of a payment card. The payment card includes a planar body, an interconnection circuit, and a display section. The planar body houses a payment card processing section. The interconnection circuit is configured within the planar body. The interconnection circuit is configured to generate a damage signal in response to a physical damage of at least a portion of the planar body or the payment card processing section. The display section is positioned in the planar body for displaying a visual information indicating health status of the payment card in response to the damage signal for a cardholder.