A layout for a keypad is provided that has a highly regular arrangement of alphabetic characters for ease of use thereof and a highly efficient distribution of the characters to minimize the instances where multiple words are formed from a given sequence of key inputs. The keypad layout is for the Chinese...http://www.google.com.tw/patents/US6686852?utm_source=gb-gplus-share專利 US6686852 - Keypad layout for alphabetic character input
