| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an apparatus for measuring and recording an activity amount related to a user's activity without omission.SOLUTION: When a battery of an activity meter 1 is about to run out, a portable terminal 2 is informed accordingly, and measurement of an activity amount is started at the portable terminal 2. When the battery of the activity meter 1 is charged, the portable terminal 2 is informed accordingly, and data of the activity amount measured at the portable terminal 2 is transmitted to the activity meter 1.</p> |
