| 摘要 |
A door mechanism is provided for a handheld computer. The door mechanism includes a detachable section that is extendable from an interior of the handheld computer's housing. The detachable section is biased to pivot towards the housing from the extended position. An interior of the detachable section includes a coupling structure to receive an external electrical component. The detachable section may be returned to a closed position to cause the external electrical component to make contact with an interior element of the handheld computer.
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