Patent Document ID: 9811750
Application ID: 14554493

Base Claim:
1. A character input method using a touch screen, comprising the steps of: displaying at least one area partitioned by dotted lines when a character selection occurs; displaying a first character at a first area among the displayed at least one area of the touch screen and a third character at a second area of the touch screen; receiving character information at the first area by the touch screen; selecting the first character superimposed on at least part of the character information as a character to be replaced among the first character and the third character based on a position of the character information; and displaying a second character at the first area in accordance with the received character information to replace the first character displayed at the first area.

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Claim 4:
4. The method of claim 1 , wherein pre-recognized information of the first area is predefined, wherein the pre-recognized information comprises at least one of information about a location of the first area on the touch screen and information about handwriting patterns of the character information to be input into the first area.