| 摘要 |
<p>A PC card 1) comprises a casing (2), electronic circuitry within the casing, and an aperture (2b) positioned in a wall (2a) at one end of the casing. The aperture (2b) is sized to receive a SIM card (5). Contact means associated with the electronic circuitry within the PC card (1) are arranged to make electrical contact with contact means formed on the SIM card (5). The PC card (1) is provided with guide means (6) for guiding the SIM card (5) into a position in which its contact means make electrical contact with the contact means of the electronic circuitry. The guide means (6) are such as to prevent insertion of the SIM card (5) into said position in any orientation other than a predetermined orientation.</p> |
