| 摘要 |
A compact and portable memory-card type USB mass storage device includes at least a circuit board and an electric connector. A plurality of elastic leaf-like terminals corresponding to contacts on a specific matching memory card, such as SD, MS, MMC or SMC, that is to be engaged with the circuit board, and other necessary electronic elements are directly mounted on a surface of the circuit board. The electric connector is provided at an end of the circuit board for freely plugging onto a computer or other electronic apparatus. A case protectively encloses the circuit board and the electric connector, and is provided at an end with a memory card slot, via which the memory card is inserted into the case, and at an opposite end with an opening for the electric connector to expose therefrom for connecting to the computer and so on.
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