Prepaid Card Security via Replacement Codeword

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Solution Overview

Problem

Prepaid telephone cards face security issues due to their cash-like nature, allowing unauthorized access and theft, and existing solutions fail to adequately address the problem of lost or stolen cards, which hinders sales and customer convenience.

Innovation Solution

A method and apparatus for prepaid services cards that allow users to opt for a replacement service, where a replacement account identifier can be initiated, providing a codeword for deactivating the original identifier and activating a new one, enabling continued service even if the card is lost or stolen, with the option to pay a fee for this service.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If prepaid cards are openly displayed for retail sale, then customer convenience and sales are improved, but security against theft and unauthorized use deteriorates

Engineering Contradiction:

Improvecustomer convenienceVSAvoidtheft and unauthorized use

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The card system is segmented into multiple functional components: the physical card with account identifier, the separate security codeword, and the service platform. This segmentation allows the card to be displayed openly while the critical security element (codeword) remains protected and is only revealed when needed for activation or replacement.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The service platform acts as an intermediary between the card and the prepaid services. It verifies both the account identifier and the security codeword before activating service, providing a layer of security that allows open display while preventing unauthorized use. The platform mediates the authentication process and manages card replacement.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If security measures are implemented to prevent theft of card information, then security is improved, but customer convenience and sales deteriorate

Engineering Contradiction:

Improvesecurity against theftVSAvoidcustomer convenience

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The system enables self-service through automated activation and replacement processes. Customers can activate their cards automatically when purchased and can initiate replacement requests through automated systems rather than requiring manual intervention from store personnel or customer service representatives.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The security codeword is pre-established and associated with the account before the card is activated or lost. This preliminary setup allows for rapid automated replacement processing when needed, as the system already has the security verification element ready without requiring customers to go through complex verification procedures.

Inventive Principle:

Principle #10Preliminary action

3Object-affected harmful factors

If cards are activated only at point of sale, then security against stolen cards is improved, but the ability to replace lost cards deteriorates

Engineering Contradiction:

Improveprevention of stolen card useVSAvoidcard replacement capability

Core Design Contradiction:

Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The service platform serves multiple functions: it activates new cards, processes replacements for lost cards, verifies security codewords, and manages account identifiers. This multi-functionality allows the same system that provides security through controlled activation to also handle replacement requests, eliminating the trade-off between security and replacement capability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system incorporates feedback mechanisms where the service platform communicates with customers regarding card status, activation confirmation, and replacement request outcomes. This feedback loop ensures that security measures are properly implemented while providing customers with information about their card status and replacement options.

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS7453999B1Prepaid services with security provisions to protect against unauthorized use

Publication Date: 2008.11.18 AT&T CORP

AI summary

A method and apparatus for providing a telecommunication service is disclosed wherein a call associated with a first prepaid services account identifier is received from a user. An offer is provided to the user to initiate a replacement service for the first prepaid services account identifier and, upon receiving an indication of an acceptance of the offer from the user, a replacement codeword associated with the first prepaid services account identifier is established. The call associated with the first prepaid services account may be any type of communication, including a telephone call, a message delivered via the internet, or any other voice or data message. Upon receipt of the codeword from the user, a second prepaid services account identifier is established and, in one implementation, the first prepaid services account identifier is deactivated.