| 摘要 |
PURPOSE: A multifunctional mobile phone is provided to significantly reduce dependency on a thumb by inputting vowels with a side key. CONSTITUTION: Characters are placed on front keys. Three of side keys are installed on a side of a housing. An upper side key is contacted with an index finger, a middle side key is contacted with a middle finger, and a lower side key is contacted with a ring finger. [Reference numerals] (5,6,7) (c) key; (AA) Middle finger; (BB,CC) Consonant key |
