| 摘要 |
<p>PROBLEM TO BE SOLVED: To connect a portable information processor with a function extension device easily and tightly. SOLUTION: On an end face of a PDA 1 as the portable information processor, a connector 31 is arranged, and there are formed in pairs right and left locking holes 33 across the connector 31. Engaging step parts 80 are formed inside the locking holes 33. On the end face of a modem device 61 as the function extension device, there is arranged a connector 63 connected with the connector 31, and there are arranged in pairs right and left locking nails 73. By inserting the locking nail 73 into the locking hole 33 to be engaged with the engaging step part 80, the PDA 1 is tightly connected with the modem device 61. On right and left sides of the modem device 61, there are arranged in pairs right and left buttons 78a for unlocking operation, to push toward a direction in which the engaging of the locking nail 73 is unlocked from the engaging step part 80.</p> |
