| 摘要 |
PROBLEM TO BE SOLVED: To provide a serving cart that can record the moving status accurately. SOLUTION: The serving cart A comprises an acceleration detector 1 for detecting acceleration applied to the serving cart and outputting the result as detection information, a time information generation part 2 for outputting time information, a control part 3 for capturing the detection information and time information and generating acceleration history information associating the detection information with the time information at the time points when the detection information is acquired, and a storage part 4 for storing the acceleration history information. COPYRIGHT: (C)2008,JPO&INPIT
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