Patent ID: 7570251
Filing Date: 2009-08-04
Classification: G06F,H04M

Abstract:
1. A system for inputting character data in a mobile terminal, the character inputting system comprising: a key module having a center key disposed in the center, and an upper key, a lower key, a left key and a right key disposed about the center key at top, bottom, left and right sides thereof, respectively; a signal generator coupled to the key module for generating at least one of a plurality of signals including: five normal-key signals each generated by clicking one of the keys in the key module for shorter than a predetermined time, five long-key signals each generated by clicking one of the keys in the key module for the predetermined time or longer, 25 first combination key signals each formed by a combination of two consecutive normal-key signals, and 25 second combination key signals each formed by a combination of a normal-key signal and a long-key signal; and a data generator coupled to the signal generator for selectively generating a plurality of English alphabetic character data and a space datum each corresponding only to at least one of the first or second combination signals output from the signal generator; wherein the characters are generated to include eight English alphabetic characters, consisting of N, B, U, C, M, B, W and E, each formed responsive to a sequence of said key clicks defining a key stroke path geometrically indicative of a corresponding alphabetic character shape.