| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile phone which an elderly person unfamiliar to operation can treat with easy key operation. SOLUTION: The mobile phone includes an operation key for entering an operation signal or data, a memory means for storing operation sequence program of the operation key, and an operation guide means for lighting, blinking, changing color or changing luminance of the operation key, which should be operated next by following the operation sequence key program, when a first operation key is operated so that the operation key, which should be operation next, is guided with the light. COPYRIGHT: (C)2006,JPO&NCIPI
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