Inventors:
Hoon Kyu Park - Los Angeles CA, US
International Classification:
H03M 7/00
Abstract:
A language input system and method of a language input apparatus according to which characters are inputted based on their graphic symbols implemented on a keypad of a language input apparatus is disclosed. The language input system facilitates entry of an input string into the mobile phone using discrete keys on a keypad, and the language input system converts a combination of one or more graphic symbols inputted by the keypad onto a letter of alphabet of a language or a writing system by a surjective concatenation mapping from a set of graphic symbols onto a set of graphic symbols of English, German or Spanish language. The set of graphic symbols of the language input system and method includes a subset of graphic symbols of any geometric shape of a line, a half circle, or a combination of lines and circles, and each geometric symbol is printed on each key of the keypad.