Patent ID: 6802661
Filing Date: 2004-10-12
Classification: G06F

Abstract:
A method of inputting alphanumeric codes by means of pressing no more than 2 keys out of 12 keys on a keypad arranged in a matrix of 4 rows and 3 columns for each alphanumeric code which comprises the steps of(a) having a set of up to 12 tables arranging in a matrix of 4 rows and 3 columns, each table containing 12 different alphanumeric codes of the same or similar nature also arranging in a matrix of 4 rows and 3 columns; (b) pressing a key on the keypad, the location of which corresponds to the location of the table in the matrix which contains the desired alphanumeric code to be inputted; and (c) then pressing a key on the keypad, the location of which corresponds to the location of the desired alphanumeric code in the matrix of the table selected.