Patent ID: 7352295

Claim:
An apparatus for inputting English alphabets using a reduced keypad, characterized by comprising: a keypad having five buttons of one central button, a left top button, a left bottom button, a right top button and a right bottom button arranged at each vertex of a square shape and around the central button; a means for sequentially receiving signals input by operating the buttons on the keypad and creating the signals as a button input signal sequence; a means for storing an alphabet list having alphabet sequences consisting of sequential sequences of button input signals and English alphabet representation data, wherein one alphabet representation is associated with at least one alphabet sequence, wherein the central button is further allocated functions of start and release of the English alphabet input mode, and switching between the English small and capital alphabet input modes; and an alphabet search and display means for searching the alphabet list and displaying a corresponding alphabet representation, using the button input signal sequence whenever one button input signal is received.