| 摘要 |
<p>A generating device is provided, for example for use as a battery charger to be carried around and operating with themovement of the person carrying it e.g. by walking etc. It can be used for charging the battery of a mobile telephone and suitably comprises a spherical magnet (2) which rolls around in side a toroidal shaped tube (1) which tube has wire coils (3) wound round it. As the magnet (2) passes through the coils (3) electricity is generated which can be fedto the battery to be charged. The generating device could be used to power electrical devices directly, and can be on a larger scale than may be carried personally, for example for extracting wave energy from the sea, or may be on a very small scale.</p> |
