| 摘要 |
<p>The invention relates to a shredder for cutting up data storage media, for example sheet-like materials (paper, stacks of paper, etc.), CD-ROMs, DVDs, floppy disks or articles of that kind, the material feed of which is assigned a switching device for at least automatically starting its cutting tool when materials to be shredded are being fed, in particular an office shredder whose feed opening of the material feed, which leads to the cutting tool, is assigned at least two signal-emitting sensors which are arranged at a distance from one another and are operatively connected to a control unit by means of circuitry.</p> |
