Mobile Terminal P2P Credit Payment License Generation

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Solution Overview

Problem

Current public transportation payment methods, such as cash and pre-paid cards, are inconvenient due to the need for exact change, risk of card damage, and difficulties in reporting lost cards, and lack secure offline payment options.

Innovation Solution

A credit payment method and apparatus using mobile terminal P2P technology, which enables secure offline credit payments by generating and verifying payment licenses between a mobile terminal and a transaction terminal, allowing for fast and secure transactions without the need for online payment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If cash payment is used for public transportation, then payment can be made without online connection, but the user needs to prepare exact change in advance which is inconvenient

Engineering Contradiction:
Improvepayment convenienceVSAvoidtime to prepare exact change
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent uses a mobile terminal to create a virtual copy of a payment card with embedded cryptographic keys. This virtual card can perform payment transactions offline without requiring physical cash or pre-prepared exact change, eliminating the need for users to prepare change in advance while maintaining payment functionality.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical cash-based payment system with a cryptographic electronic system. Instead of physically handling cash and preparing exact change, users employ mobile terminals with embedded secure elements that generate and verify payment licenses using public-key cryptography, enabling contactless payment without mechanical exchange of physical money.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If reusable pre-paid card is used for public transportation, then payment can be made multiple times, but the card is unregistered and loss cannot be reported causing capital loss risk

Engineering Contradiction:
Improvereusability of payment cardVSAvoidsecurity against card loss
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent implements a feedback mechanism where the transaction terminal verifies the payment card's registration status and communicates with the authentication server. The system receives feedback about the card's validity, usage status, and security state, allowing real-time verification of card authenticity and detection of lost or compromised cards, thereby maintaining security while enabling reusability.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent introduces an authentication server as an intermediary between the mobile terminal and the payment card system. This intermediary verifies the cryptographic credentials, checks card registration status, and mediates the payment authorization process, ensuring that only registered and valid cards can perform transactions, thus preventing capital loss from unregistered card theft.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If pre-paid card is used for public transportation, then payment can be made without online connection, but the card surface is easily damaged and bent during normal use

Engineering Contradiction:
Improvepayment accessibilityVSAvoidcard damage and wear
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent creates a virtual copy of the payment card within the mobile terminal's secure element. Instead of using a physical card that can be bent or damaged, the system uses a digital representation stored in the mobile terminal's secure memory, eliminating physical wear and tear while maintaining full payment functionality and accessibility.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent substitutes the physical card-based mechanical system with a digital electronic system. The payment card functionality is migrated to a mobile terminal with embedded secure elements that store cryptographic keys and generate payment licenses electronically, eliminating the physical card entirely and preventing damage from bending, abrasion, or other mechanical harm.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Ease of operation

If single-ride card in small fares is used for public transportation, then payment can be made for each ride, but staff needs to count small fares which brings extra work

Engineering Contradiction:
Improvepayment flexibilityVSAvoidstaff工作效率
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The patent replaces the manual mechanical process of counting physical small-fare cards with an automated electronic verification system. The mobile terminal's secure element generates payment licenses that are automatically verified by the transaction terminal, eliminating the need for staff to manually count and process single-ride cards, thereby maintaining payment flexibility while significantly improving staff productivity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP3410374B1Credit payment method and device based on mobile terminal p2p
Publication Date: 2023.09.06 ADVANCED NEW TECHNOLOGIES CO LTD
  • EP3410374B1 patent drawingFigure 1~2
  • EP3410374B1 patent drawingFigure 3
  • EP3410374B1 patent drawingFigure 4~5

AI summary

The present disclosure relates to a credit payment method and apparatus based on mobile terminal P2P. The method includes: receiving transaction information sent by a transaction terminal; generating transaction response information based on the transaction information, and sending the transaction response information to the transaction terminal; receiving deduction accept request information of the current payment transaction that is sent by the transaction terminal; generating an application-private-key-generated payment license in the mobile terminal based on the deduction accept request information and the transaction response information; and sending the payment license to the transaction terminal. After enabling a payment application, a user can complete offline credit payment with a transaction terminal by using a mobile terminal, so that a payment transaction can be fast and securely completed.