| 摘要 |
Methods, nodes, a power tool and computer programs for and in a power tool (100) for enabling unlocking and locking of the power tool for prevention of unauthorized use, the method comprising receiving (S100) an unlock message to a control unit (210), the message including an instruction to unlock the tool (100), unlocking (S110) the power tool (100) according to the instruction by the control unit (210) via an actuator unit (250),counting (S120) an authorization time period from reception of the first message to the control unit (210) by a counter (230), wherein when the counted authorization time period exceed a predetermined threshold,locking (S130) the power tool (100) by the control unit (210) via the actuator unit (250), thereby enabling prevention of unauthorized use of the power tool (100) by remote unlocking and locking. |
