Door Lock Control Using Server-Authenticating Terminal

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional digital door locks using magnetic cards have weak security and lack remote communication functions, making them difficult to manage and secure.

Innovation Solution

A door lock control method and apparatus that uses a terminal to request and receive security information from a server, unlock the door, and set new security information, enhancing security and convenience by enabling remote management and improved user experience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If magnetic cards are used for door lock access, then ease of operation is improved, but security deteriorates due to easy duplication

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

Solution Approach 1:

The patent replaces the magnetic card system with a terminal-based authentication system using communication modules. The terminal (smartphone or tablet) communicates with the door lock via wireless communication, eliminating the need for magnetic cards and their vulnerable magnetic strips. This substitution maintains ease of operation while significantly improving security against duplication.

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

2Device complexity

If conventional magnetic card door locks are used, then device complexity is reduced, but remote management capability deteriorates

Engineering Contradiction:
Improvedevice complexityVSAvoidremote management capability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent integrates multiple functions into the door lock system: authentication, communication, and remote management. The door lock includes both a magnetic card reader and a communication module that enables wireless communication with terminals and servers. This multi-functionality allows the system to maintain simple operation while adding remote management capabilities through the server-terminal-lock communication network.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If remote communication functions are added to door locks, then remote management capability is improved, but cost deteriorates

Engineering Contradiction:
Improveremote management capabilityVSAvoidcost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent introduces a server as an intermediary between the terminal and the door lock. The server handles complex authentication, security management, and communication coordination, allowing the door lock itself to use a relatively simple communication module. This intermediary approach enables remote management functionality while distributing system complexity and cost across multiple components, making the overall system more cost-effective.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Ease of manufacture

If magnetic card door locks without remote communication are used, then cost is reduced, but security management deteriorates

Engineering Contradiction:
ImprovecostVSAvoidsecurity management
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent implements a feedback mechanism where the door lock communicates with a remote server to report authentication status, locking/unlocking events, and security information. The server processes this information and can send commands back to the lock or terminal. This feedback loop enables centralized security management and monitoring without requiring expensive advanced hardware in the door lock itself, maintaining cost-effectiveness while improving security management.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS10672209B2Door lock control apparatus and method
Publication Date: 2020.06.02 SAMSUNG ELECTRONICS CO LTD
  • US10672209B2 patent drawing
  • US10672209B2 patent drawing
  • US10672209B2 patent drawing

AI summary

Provided are door lock control apparatus and method having enhanced security and being capable of providing improved convenience to a user, the door lock control method including: requesting a server for security information set in a door lock; receiving first security information from the server; unlocking the door lock by using the first security information; and setting second security information different from the first security information, in the door lock.