| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a keyboard having an excellent input property and a portable mobile communication device having the keyboard. <P>SOLUTION: A physical keyboard includes a plurality of multi-functional keys with a reduced column QWERTY key arrangement overlaid with a numeric phone key arrangement for use in both text entry and telephony. Another physical keyboard includes a plurality of multi-functional keys having an array of alphabetic characters and an overlaid numeric array of numbers. A portable mobile station includes: a first user interface having standard alphabetic key arrangement; and a second user interface having the numeric phone key arrangement. A space key of the keyboard can be taller than the remainder of the keys in a row. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
