| 摘要 |
<p>PURPOSE:To relieve the load of a user by inserting storage units of different kinds to one enclosure in an external memory device connected via a general-purpose interface, reading the kind by a control section in the case and switching the connection of signal lines. CONSTITUTION:Two openings 1A, 1B are provided on the front face of the enclosure 1 while being separated by a guide 1C, storage units 2A, 2B are inserted respectively to the openings and the front face is provided with an operation section 8. In loading the units 2A, 2B next, they are brought into contact with the control section 4 and a power circuit 5 via connection devices 11A, 11B provided to the units and connection terminals 3A, 3B provided to the enclosure. Moreover, the circuit 5 is provided with a plug 22 via the connector 7 and general-purpose interfaces 21A, 21B are connected to the control section 4 via the interfaces 6A, 6B. Through the constitution of the device above, the short-circuit state of a key pin 12A provided to the unit is detected by the control section 4 to use the unit thereby.</p> |
