Electronic Tool Lock Codes for Battery Power Tool Theft Prevention
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Solution Overview
Problem
Theft of battery-powered power tools has increased due to their compact size and ease of use, posing a significant challenge for retailers.
Innovation Solution
A system and method for locking and unlocking battery-powered power tools using electronic processors and communication interfaces to prevent operation until a legitimate purchase is verified, involving locking devices and unlocking devices that generate and transmit lock and unlock codes based on tool-specific information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If battery-powered power tools are made compact and easy to use, then productivity and ease of operation improve, but theft risk increases
Solution Approach 1:
The patent applies preliminary anti-action by implementing an electronic locking system that prevents tool operation before authorization is verified. The lock code is generated and stored in memory, blocking the tool's operation until the correct code is entered through the communication interface, thereby preemptively countering theft rather than responding to it after occurrence.
Solution Approach 2:
The patent uses an electronic code verification system as an intermediary between the user and the tool's operation. The communication interface and processor act as mediators that authenticate the user through code verification before allowing power transmission to the motor, creating a barrier that prevents unauthorized use without affecting the tool's compact design.
2Reliability
If an electronic locking system is implemented, then theft prevention improves, but device complexity increases
Solution Approach 1:
The patent applies universality by integrating multiple functions into the existing power tool structure. The communication interface serves dual purposes: it communicates tool status information and receives lock codes for authentication. The processor both controls motor operation and verifies authentication codes, eliminating the need for separate dedicated locking components and minimizing added complexity.
Solution Approach 2:
The patent merges the locking mechanism with the existing control system. The electronic lock is combined with the motor control circuitry, where the same processor that controls tool operation also handles authentication. The memory unit that stores operational parameters also stores the lock code, consolidating multiple functions into existing components rather than adding separate systems.
Data Source
AI summary
A method is provided for locking and unlocking an electronic power tool. The method includes receiving, at a locking device, information associated with the electronic power tool, and generating, at the locking device, a lock code based on the received information. The method further includes transmitting, by the locking device, the lock code to the electronic power tool. The lock code is configured to lock the electronic power tool upon being received at the electronic power tool.


