Contactless Transaction Notification via Inverted Detection

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Mobile terminals struggle to inform users in real time about the result of contactless transactions due to uncorrelated interrogation and transaction processes, leading to delayed displays and increased power consumption when using removable secure modules.

Innovation Solution

A method that detects the end of a contactless transaction between a mobile terminal and an equipment, obtains a message with application and transaction information, and communicates this information to the user through a man-machine interface, ensuring real-time notification and enhanced security by managing information through a secure module.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If the mobile terminal increases the number of interrogations to reduce display delay, then the real-time notification is improved, but the electrical power consumption increases

Engineering Contradiction:

Improvedisplay delayVSAvoidelectrical power consumption

Core Design Contradiction:

Loss of timeVSUse of energy by moving object

Solution Approach 1:

Instead of having the terminal actively interrogate the application at regular intervals to check for transactions, the invention inverts the approach by having the contactless module automatically detect transaction ends and trigger notifications. This passive detection mechanism eliminates the need for frequent active interrogations, thereby reducing power consumption while maintaining real-time notification capability.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The contactless module performs self-service by autonomously detecting the end of transactions and generating notification triggers without requiring external interrogation from the terminal. This self-detection capability allows the system to achieve real-time notification without the energy overhead of continuous active polling, as the module only consumes power when actual transactions occur.

Inventive Principle:

Principle #25Self-service

2Device complexity

If the mobile terminal uses regular interval interrogation to check for transactions, then the system complexity is reduced, but the real-time notification capability deteriorates

Engineering Contradiction:

Improvesystem complexityVSAvoiddisplay delay

Core Design Contradiction:

Device complexityVSLoss of time

Solution Approach 1:

The contactless module performs preliminary detection of transaction ends and prepares notification triggers in advance. By detecting transaction completion immediately when it occurs and pre-processing the notification data, the system eliminates display delays without requiring complex real-time interrogation mechanisms. The terminal simply needs to display pre-prepared notification data, maintaining low system complexity.

Inventive Principle:

Principle #10Preliminary action

3Loss of information

If the terminal manages application information centrally, then the information consistency is improved, but the security is reduced

Engineering Contradiction:

Improveinformation consistencyVSAvoidsecurity

Core Design Contradiction:

Loss of informationVSReliability

Solution Approach 1:

The invention segments information management responsibilities between the contactless module and the secure module. The contactless module detects transaction ends and manages notification triggers, while the secure module independently manages application information and validates transactions. This segmentation allows each component to maintain its own consistent information while preserving security through the secure module's isolated management of sensitive application data.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS10096016B2Method of communicating and transmitting a message relating to a transaction of a contactless application, associated terminal, secure module and system

Publication Date: 2018.10.09 CONNECTED ORANGE LLC

AI summary

The invention relates to a method of communicating a message relating to a transaction of a contactless application effected between a mobile terminal equipped with a contactless module and equipment, comprising the steps of detecting the end of the transaction between the terminal and the equipment, obtaining a message containing at least information identifying said application and end of transaction information, and communicating said message.The invention also relates to a method of transmitting such a message including the steps of receiving end detection information, identifying the application associated with the transaction, and determining and transmitting the message to the mobile terminal.The invention further relates to a mobile terminal and a secure module capable of being used with a mobile terminal.