Client-Server System for Power Tool Authentication and Handover Tracking
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Solution Overview
Problem
Power tool users face challenges in accessing specific tools for short-term needs, leading to unnecessary purchases and issues with tool protection and rental logistics, including theft and improper use, as well as time-consuming pickup processes.
Innovation Solution
A method utilizing a client-server system with electronic terminal devices for authenticating users and recording power tool identification data, generating and storing transfer information to securely document tool handovers and usage, ensuring secure ownership protection and efficient rental processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users purchase power tools for short-term needs, then tool availability is ensured, but unnecessary purchases and resource waste occur
Solution Approach 1:
The system enables temporary transfer of tool usage rights from owners to users through a digital platform. Users can borrow tools for specific periods and locations without permanent ownership, and owners can track and recover their tools after the rental period expires. This is achieved through authentication systems that verify user identities and tool handovers at designated locations.
Solution Approach 2:
The system creates digital copies of tool ownership rights through electronic authentication data and identification codes. Instead of physical transfer of the tool itself, the system transfers digital authorization tokens that grant temporary usage rights. The server stores and manages these digital copies of ownership credentials, enabling multiple users to access the same tool at different times without physical handover complications.
2Ease of operation
If users borrow power tools at equipment locations, then tool access is enabled, but time expenditure for pickup increases
Solution Approach 1:
The system performs preliminary authentication and authorization actions before the actual tool handover. Users authenticate their identities in advance through the system, and the server pre-approves their borrowing requests. This preliminary action reduces the time required at the equipment location, as the authentication process is already completed before the user arrives to collect the tool.
Solution Approach 2:
The system replaces manual authentication processes with automated electronic verification. Instead of physical sign-in sheets or manual ID checks, the system uses electronic authentication data, digital signatures, and automated server verification. This substitution of mechanical processes with electronic systems significantly reduces the time required for tool pickup and handover procedures.
3Productivity
If power tools are made available for borrowing, then tool utilization increases, but protection against theft and misuse decreases
Solution Approach 1:
The system implements continuous feedback loops where tool status, location, and usage information are constantly monitored and reported to the server. Authentication data is verified in real-time, and any unauthorized attempts to access or move tools are immediately detected and reported. This feedback mechanism allows owners and the system to respond quickly to potential theft or misuse situations while maintaining high tool utilization through authorized borrowing.
Solution Approach 2:
The server acts as an intermediary between tool owners and borrowers, managing all authentication, authorization, and tracking functions. Rather than direct peer-to-peer tool lending, the server mediates every interaction, verifying user identities, approving borrowing requests, and monitoring tool locations. This intermediary layer provides security and oversight that protects tools while enabling widespread utilization through controlled access.
Data Source
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Figure 2
AI summary
According to a method for using a power tool (1), device identification data of the power tool (1) is acquired after the authentication of a first user, and initial device information is transmitted to a server processing unit (4) based on this authentication. After the authentication of a second user, the device identification data is acquired again and transmitted again to the server processing unit (4). The server processing unit (4) generates and stores transfer information based on the transmitted device identification data and user identification data from the authentications.