Character input apparatus and character input method

摘要

A character input apparatus to input a character using a touch and drag method, the character input apparatus including: an interface to display a character on a touched location, if a touch is detected on the interface; a control unit to control the interface to change the displayed character and a location of the displayed character according to a dragging trace, if the touched location is dragged; and an input unit to input the displayed character displayed when the touch is completed. Accordingly, characters may be conveniently input on a narrow screen.

主权项

1. A character input method to receive character inputs through a touch on a touch display screen of an interface, the method comprising:
detecting a touch at a first location on the touch display screen; determining a first character from an ordered character set based on the first location and displaying the first character; detecting a dragging of the touch from the first location to a second location corresponding to a predetermined distance from the first location; determining a second character from the ordered character set based on the dragged distance between the first location and the second location and displaying the second character; and when the touch is terminated, inputting a finally displayed character, wherein the second character is subsequent in order to the first character in the ordered character set, and wherein the second location is irrespective of a direction of the dragging.