| 摘要 |
PROBLEM TO BE SOLVED: To provide a friendly and small keyboard. SOLUTION: The keyboard, which has a plurality of vertically arrayed key rows of a plurality of horizontally arrayed input keys, includes high position input keys having a narrower key top than character/symbol input keys and a higher key top than at least one adjacent input key, among the plurality of input keys belonging to at least one key row. COPYRIGHT: (C)2006,JPO&NCIPI
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