| 摘要 |
An electronic apparatus (100) that receives a signal from a sensor device (100A), the electronic apparatus having: an environmental signal acquiring unit (100B) that acquires an environmental signal at specific sampling intervals, the environmental signal being input from the sensor device (100A); an environmental signal storage unit (100C) that stores the acquired environmental signal until at least a next sampling interval comes; a differential amount acquiring unit (100D) that acquires a differential amount between samples of the environmental signal ; and an operation selecting unit (100E) that selects a to-be-activated operation based on the acquired differential amount. The electronic apparatus may be a mobile phone for example.
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