| 摘要 |
A compound portable computing device comprising two or more separate portable devices coupled over a wireless link is described. A first portable computing device contains a keypad with keys dedicated to use with a function of the devices. A circuit of the first portable computing device reconfigures the first keypad to operate as a first portion of a standard QWERTY keyboard or other type of keyboard for text entry. A second keyboard portion comprising keys permanently configured to provide complementary keys to the first keyboard portion is separably linked to the first portable computing device, so that the first and second keyboard portions function as a full QWERTY keyboard.
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