| 摘要 |
The present invention relates to an arrangement and method for eliminating power failures due to harmful motion. The device includes electrical components that use electrical power, a power source that connects to the electrical components, a motion sensor, and a processing unit. The motion sensor may sense a motion of the device substantially corresponding to free-fall condition, the processing unit may receive a signal from the motion sensor based on the first predetermined motion profile, and the processing unit may generate a signal supplied to at least some of the electrical components to cause a shut down operational mode.
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