| 摘要 |
In a foldable portable device, a detecting unit detects folding (closing) or unfolding (opening) of the portable device. When the portable device is folded, a first timer starts counting time. The first timer can count time until a first time. When the portable device is unfolded, a second timer starts counting time. The second timer can count time until a second time. The operation of detection unit is invalidated based on the time counted in the first and the second timers.
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