Job Execution Notification for Unauthorized Access Prevention

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Solution Overview

Problem

Conventional Job executing devices fail to prevent unauthorized use after user authentication, allowing non-permitted users to access the device temporarily when a permitted user leaves it unattended, and lack timely countermeasures for such unauthorized access.

Innovation Solution

A Job executing device that includes an authentication unit, a memory unit for storing notification destinations, and a notification unit to automatically send notifications to registered addresses upon receiving job execution instructions, ensuring that authorized users are informed of unauthorized use and enabling immediate corrective actions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If user authentication is implemented with permission continuation after operation, then user convenience is improved, but device security deteriorates allowing unauthorized use when permitted user leaves temporarily

Engineering Contradiction:

Improveuser convenienceVSAvoiddevice security

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent implements a notification system that sends feedback to the permitted user when job execution is detected. The notification unit transmits information about the executing job to the notification destination associated with the user ID, enabling the user to be aware of device usage and take appropriate actions to prevent unauthorized use.

Inventive Principle:

Principle #23Feedback

2Adaptability or versatility

If permission continues for certain period after user leaves device, then operational flexibility is improved, but unauthorized use cannot be prevented or detected timely

Engineering Contradiction:

Improveoperational flexibilityVSAvoidunauthorized use prevention

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent performs preliminary notification to the user about job execution before the permission period expires. By notifying the user in advance during the permission continuation period, the system enables the user to take preliminary actions to prevent unauthorized use before it occurs.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If notification system is added to alert users of job execution, then unauthorized use detection is improved, but device complexity increases

Engineering Contradiction:

Improveunauthorized use detectionVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The notification unit serves multiple functions: it notifies users of job execution, enables detection of unauthorized use, and provides a basis for taking countermeasures. This multi-functionality justifies the added complexity by delivering multiple benefits from a single added component.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS8253953B2Job executing device, job executing and processing method, and job executing and processing program

Publication Date: 2012.08.28 KONICA MINOLTA BUSINESS TECH INC

AI summary

The Job executing device comprises a Job executing unit of executing a job concerning image data, an execution instruction-receiving unit of receiving an instruction for job execution sent to the Job executing unit by a user who is authenticated by an authentication unit, a memory unit of storing the notification destination corresponding to user identification information inputted for user authentication, and a notification unit of notifying the notification destination corresponding to the inputted user identification information of the instruction of job execution after receipt of the instruction for job execution by the execution instruction-receiving unit.