| 摘要 |
<p>A tape drive 11 comprises first 12 and second 14 spool supports for holding spools 16, 17 which tape 38 is transferred between; a detector 28 detects markers (40, figs 3-6) on a portion of the tape 38 and a tape control system 24 identifies properties of the tape 38 in response to the markers (40) detected. The detector 28 preferably includes an electromagnetic emission source and a sensor; the tape drive 11 is preferably for use with a printer and associated ribbon.</p> |
