| 摘要 |
<p>A cleaning device (10) for cleaning a card-reading head comprises a substrate (12) which has on both its planar surfaces a cleaning layer (14, 16) of non-woven material. AT least one magnetisable portion (18) overlays the cleaning layer and is magnetically encoded with a signal effective to draw the cleaning device (10) into a position in which at least one cleaning layer (14, 16) contacts the card reading head. <IMAGE></p> |
