| 摘要 |
The invention relates to a battery-operated electric hand tool device ( 2 ) comprising control electronics ( 14 ), a wirelessly and contactlessly responding transceiver ( 12 ), and a storage unit ( 16 ) in which an authorization code is stored, a locked mode of operation and a released mode of operation being distinguishable. In order to improve theft protection, a wire-bound or wireless interface ( 22 ) is provided from the control electronics ( 14 ) of the electric hand tool device to a battery pack ( 4 ) such that locking data can be transmitted from the control electronics ( 14 ) of the electric hand tool device ( 2 ) to the battery pack ( 4 ), be stored in a storage device ( 24 ) of the battery pack ( 4 ), and be read out of the storage device ( 24 ) again.
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