| 摘要 |
A treadmill includes a base, a supporting unit provided on the base, an upper controller located on the supporting unit, a lower controller located on the base and electrically connected to the upper controller, two rollers located on the base, a platform located between the rollers, a magnet attached to the platform, a belt made in the form of a loop wound around the rollers, a motor for driving one of the rollers; and a sensor attached to the base and electrically to both of the upper and lower controllers and for sensing movement of the magnet. |
