Power Tool System Authentication for Theft Prevention
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Solution Overview
Problem
Current power tool systems face challenges in preventing theft, as tools, battery packs, and chargers can be easily misplaced, lost, or stolen, leading to significant losses for workshops and construction companies.
Innovation Solution
A power tool system is proposed that utilizes unique identifiers for power tools, battery packs, and chargers, allowing these devices to regulate their interactions based on stored information on admissibility, enabling secure collaboration and theft prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical protection by locking devices is used, then theft prevention is improved, but it is difficult to ensure proper locking away on construction sites
Solution Approach 1:
The patent replaces mechanical locking devices with an electronic authentication system. The power tool includes an authentication unit that communicates with authentication means (such as RFID tags or biometric sensors) to verify user identity electronically, eliminating the need for physical locks and keys that are difficult to manage on construction sites.
Solution Approach 2:
The patent introduces an authentication unit as an intermediary between the user and the power tool. This unit acts as a mediator that verifies authentication information and controls access to the tool's functions, providing a more reliable and easier-to-use theft prevention mechanism than direct mechanical locking.
2Reliability
If software-based authentication is implemented, then theft prevention is improved, but device complexity increases
Solution Approach 1:
The patent extracts the authentication functionality into a separate, dedicated authentication unit within the power tool. This modular approach isolates the complex authentication logic from the main tool operations, making the system more manageable and easier to implement without significantly increasing overall device complexity.
3Reliability
If passcode comparison between battery and charger is used, then theft prevention is improved, but the system cannot prevent use with unauthorized power tools
Solution Approach 1:
The patent implements a universal authentication system where the authentication unit in the power tool can verify authentication means from multiple sources (RFID tags, biometric sensors, mobile devices). This multi-functional approach allows the same authentication mechanism to prevent both unauthorized charger connections and unauthorized power tool usage, providing comprehensive theft prevention across the entire power tool system.
Data Source
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AI summary
A power tool system comprising a plurality of chargers, each having a charger identifier, a plurality of exchangeable battery packs, each having a battery pack identifier and a plurality of power tools, each having a power tool identifier. A first battery pack of the power tool system having stored in a first battery pack memory at least one power tool identifier and information on admissibility for the first battery pack to supply power to a power tool identified by the power tool identifier and/or at least one charger identifier and information on admissibility for the first battery pack to be charged by the charger identified by the charger identifier; a first charger of the power tool system having stored in a first charger memory at least one battery pack identifier and information on admissibility of the first charger to charge the battery pack identified by the battery pack identifier; and/or a first power tool of the power tool system having stored in a first power tool memory at least one battery pack identifier and information on admissibility of the first power tool to source power from the battery pack identified by the battery pack identifier.