| 摘要 |
PROBLEM TO BE SOLVED: To make a large-sized battery pack, which is projected from a battery pack storage part of a portable telephone terminal body, attachable, and to cope with the increase of the consumption current corresponding to the extension of the operating time and the addition of functions. SOLUTION: The portable telephone terminal has a trough part 3 capable of storing any one of a plural kinds of battery packs. It is provided with a battery cover 4 having the shape matched with the projected shape for mounting a convex semi-hard pack type battery pack 2, which is projected from the portable telephone terminal body 1 to the trough part. The portable telephone terminal body 1 has a structure in which the battery pack 2 is fixed by the battery cover 4 after mounting the semi-hard pack type battery pack 2. COPYRIGHT: (C)2004,JPO&NCIPI
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