| 摘要 |
PROBLEM TO BE SOLVED: To easily replace a battery as a need arises. SOLUTION: The radiation detector 10 includes a removable battery 19, an indicator 22 indicating whether the battery 19 can be removed, and a control device 18 for determining whether the battery 19 can be removed and indicating whether the battery 19 can be removed on the indicator 22 based on the determination results. COPYRIGHT: (C)2008,JPO&INPIT
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