Smart Locker Conversational Access for Simplified User Control

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Solution Overview

Problem

Existing smart locker systems focus on adding functionalities and sensors but fail to facilitate easy user control and interaction.

Innovation Solution

A smart locker system utilizing Natural Language Processing (NLP) techniques for conversational access, integrating a cloud-based engine module, communication module, and a control unit with QR readers and touch screens, enabling secure and efficient locker management through chat-based interactions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional QR codes and tactile displays are used for locker access, then the system provides basic identification and opening functionality, but the user interaction becomes complex and difficult to operate

Engineering Contradiction:
Improveuser interactionVSAvoidsystem functionality
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical QR code scanning and tactile display interfaces with a conversational AI system that uses natural language processing. Users interact with the locker system through chat messages, replacing the need for physical QR code readers and complex display interactions, thereby simplifying user operation while maintaining system functionality

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

Solution Approach 2:

The patent introduces a conversational AI intermediary between the user and the locker system. This intermediary handles all interactions through natural language conversations, acting as a mediator that translates user intentions into system actions and displays appropriate responses, thereby simplifying the user interface while maintaining complex system capabilities

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If more sensors and functionalities are added to smart lockers, then the system capabilities are enhanced, but the ease of use for users deteriorates

Engineering Contradiction:
Improvesystem functionalityVSAvoiduser control
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent implements a universal conversational interface that handles multiple functions through a single interaction mode. The same chat-based interface is used for locker identification, payment, authentication, and control, making the system versatile while maintaining consistent and simple user interaction across all functionalities

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

Solution Approach 2:

The conversational AI system provides self-service functionality by automatically handling user interactions, authentication, and locker control without requiring user intervention in complex procedures. The system autonomously manages the locking process, payment verification, and access control through automated conversational responses

Inventive Principle:
Principle #25Self-service

3Extent of automation

If automated locker management is implemented, then the control process is simplified, but the need for secure authentication and data synchronization increases system complexity

Engineering Contradiction:
Improvelocker managementVSAvoiddata synchronization
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The patent implements continuous feedback mechanisms where the conversational AI system constantly synchronizes with the locker control unit and database. The system receives real-time status updates through conversation, validates authentication data, and provides feedback on locker state, enabling automated management while maintaining secure data synchronization through ongoing conversational exchanges

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP4641414A1Smart locker system and conversational access procedure for smart locker systems
Publication Date: 2025.10.29 LOCKME ACCESS SL
  • EP4641414A1 patent drawingFigure 1
  • EP4641414A1 patent drawingFigure 2
  • EP4641414A1 patent drawingFigure 2

AI summary

Smart locker system comprising a locker cabinet with multiple lockers and a control unit configured to decrypt and validate Key Response codes; a cloud-based locker engine module with a chat management unit using Natural Language Processing, a database, comprising data of the lockers and users, a backend module and a back-office module for admins; and a communications module, connecting the control unit of the locker cabinet to the cloud-based locker engine. The system is controlled by a smart locker conversational access procedure comprising: starting a conversation on a chat/conversation platform as a response of a user request by using Natural Language Processing; identifying the user by its telephone number; querying database for checking availability; generating and validating payment links as a function of minutes of service, generating a Key Response code for opening a locker; decrypting the KR provided by the user to the locker cabinet; and opening a locker.