| 摘要 |
A carrier for at least one integrated circuit chip card or memory card, such as a plug-in sized SIM card, is preferably formed as a detachable cover fitted to or attached to the housing or battery pack of a portable electronic device. For example, the cover may be formed as a snap-on or slidably detachable cover over the back surface of a mobile telephone or the battery pack thereof. The cover includes at least one holder provided on the inwardly-facing surface of the detachable cover so that the extra chip cards are protected and hidden from view when the cover is attached to the portable electronic device. The holder(s) may be provided as a pocket, recess, hinged frame, or a contoured ridge or ridges formed on the interior surface of the cover. Alternatively, the carrier may also be formed as a carrier card having the holder(s) provided on a surface thereof.
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