12/26/2023 0 Comments Mobile keypad layout alphabetsThe keypad layout of claim 1 wherein the predetermined sets have a predetermined distribution in the columns that minimizes the number of syllables that are formed by characters on keys in different ones of the columns for maximizing efficiency in inputting words via the keypad.Ħ. The keypad layout of claim 1 including an additional group comprising rare-use characters which are all arranged on a lower key in the middle column.ĥ. ![]() The keypad layout of claim 1 wherein the alphabet is a Chinese phonetic alphabet so that the syllables formed by the characters in the groups cooperate to form syllables phonetically.Ĥ. The keypad layout of claim 1 wherein the plurality of keys on which characters appear include twelve keys arranged in four rows by three columns.ģ. A layout of characters of an alphabet on a keypad that is highly regular for ease of use of the keypad, the keypad layout comprising: a plurality of keys that are in predetermined numbers of rows and columns for inputting the characters, the plurality of keys being arranged in three columns, and there being two syllable initial characters per key in each column, one syllable final character per key in each column, and one syllable middle character per key in a middle one of the three columns predetermined characters groups each having different characters of the alphabet from the other groups so that the characters from one character group can cooperate with the characters of at least one of the other character groups to form syllables a predetermined ordering of characters within each of the character groups and predetermined sets of ordered characters of the character groups that are arranged on keys in predetermined columns so that the order of the characters in the sets corresponds to the row of keys in which the characters lie to maximize the regularity of the characters on the keypad for ease of use thereof.Ģ.
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