Smart Device Configuration via Facial Authentication

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Solution Overview

Problem

Conventional smart devices, such as smart attendance machines, pose security risks due to physical keys that can be triggered by anyone, leading to hidden dangers and unauthorized configuration.

Innovation Solution

A device configuration method and system that uses near-field communication to authenticate administrative users, allowing only authorized users to establish a connection and configure smart devices through a server-mediated identity verification process, eliminating the need for physical keys.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a physical key (e.g., RESET button) is provided on the smart device, then configuration operations can be performed, but security risks increase as anyone can trigger the physical key leading to unauthorized configuration

Engineering Contradiction:
Improveconfiguration operationVSAvoidsecurity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent replaces the mechanical physical key (RESET button) with an electronic authentication system. The electronic device captures an image of the user's face, extracts facial features, and performs authentication to determine administrative permission. This substitution eliminates the security vulnerability of physical keys while maintaining configuration functionality, as only authenticated users can trigger configuration operations through the electronic system.

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

Solution Approach 2:

The patent introduces an intermediary authentication system between the user and the configuration operation. Instead of direct access via physical key, the system mediates through image capture, facial feature extraction, and permission verification. This intermediary layer ensures that only authorized administrative users can perform configuration, preventing unauthorized access while enabling legitimate operations.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If physical keys are used for configuration, then device setup is simple, but hidden security dangers arise from unauthorized access

Engineering Contradiction:
Improveconfiguration processVSAvoidsecurity danger
Core Design Contradiction:
Device complexityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the simple but insecure mechanical key system with an electronic authentication mechanism. The system captures facial images, extracts features, and verifies administrative permission electronically. This increases device complexity slightly but eliminates the harmful security factor of unauthorized physical access, creating a balanced solution that maintains usability while ensuring security.

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

Solution Approach 2:

The patent converts the potential harm of increased system complexity into a benefit by implementing robust authentication. The additional steps of image capture, feature extraction, and permission verification, while increasing complexity, transform the system from vulnerable to secure. The complexity itself becomes a protective feature that prevents unauthorized access while enabling legitimate configuration.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Adaptability or versatility

If anyone can trigger the physical key, then configuration is accessible to all, but unauthorized users can perform configuration operations

Engineering Contradiction:
ImproveaccessibilityVSAvoidauthorization control
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent introduces an authentication intermediary that verifies administrative permission before allowing configuration access. The system captures facial images, extracts features, and checks against authorized users. This mediator maintains accessibility for legitimate administrative users while blocking unauthorized users, resolving the contradiction between open access and authorized control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent applies different access qualities to different users. Administrative users with verified facial features gain full configuration access, while other users are restricted. This local differentiation of access rights maintains versatility for authorized users while ensuring authorization control, allowing the system to adapt to different user categories with appropriate permission levels.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS11425571B2Device configuration method, apparatus and system
Publication Date: 2022.08.23 ALIBABA GROUP HOLDING LTD
  • US11425571B2 patent drawing
  • US11425571B2 patent drawing
  • US11425571B2 patent drawing

AI summary

A system including user device of a preset administrative user, a server, and a smart device. The user device sends a binding request for the smart device to the server, the binding request being used for instructing the server to bind the smart device. The server records an administrative permission for the administrative user to the smart device in the process of binding. When a near-field communication signal from any user is received, the smart device identifies the identity of the user; and when the user is determined as the administrative user, the smart device establishes a near-field communication connection with an electronic device of the user to allow the user to configure the smart device. With the technical solution of the present disclosure, a device may be configured based on software, and accordingly, security dangers of a physical key are eliminated while configuration operations are simplified.