| 摘要 |
<p>A closed receptacle (1, 4) made of a non metallic material includes at least one interactive module, each interactive module comprising two parts, a first of said parts consisting of a permanent magnet (2) and the second part consisting of a bar (3) made of carbon, natural or artificial graphite or magnesium, said two parts being spaced apart such that said bar (3) is located in the magnetic flux produced by said magnet (2). The receptacle has fixing or suspension means for the fixation or suspension of the device onto a surface of or inside a machine or for allowing the device to be hung from a necklace.</p> |
