| 摘要 |
Disclosed is a letter input device which comprises: a keyboard for assigning a sequent order of a predetermined number of English letters input by using a single key; and a controller for controlling to display an English letter corresponding to an input by a sequent order key and an input by a key that has a plurality of English letters, the keys being provided on the keyboard. The keyboard comprises: a control key for selecting a function of the letter input device; and an English letter key unit including a sequent order key and an English letter key to which a plurality of English letters are provided. The controller receives inputs generated by the sequent order key and inputs generated by the key that has a plurality of the English letters, and controls to display an English letter corresponding to the sequent order among the English letters. The controller controls to display a first English letter among the English letters when an input by an English letter key is provided without an input by the sequent order key. |
