Patent Document ID: 7642932
Application ID: 11152825

Base Claim:
1. A method of entering text in a mobile communication device comprising the steps of: storing a list of the characters used in a language based on a Thai alphabet to be entered by use of a standard keypad of the mobile communications device; dividing the list of characters into at least first and second groups; adapting a standard keypad of the mobile communications device for operation in a first and second mode selectable by the user by the activation of a dedicated key of the keypad; mapping each of the characters of the first group to a key of the keypad for selection, when the keypad is operating in the first mode; mapping each of the characters of the second group to a key of the keypad for selection, when the keypad is operating in the second mode; selecting an alphabetic character for entry into the mobile communications device; determining which of the first and second groups contains the selected alphabetic character; selecting the mode of operation corresponding to the group containing the selected character; entering the selected character by multi-tapping the key to which the character is mapped; and wherein the first group is comprised only of consonant characters and the second group comprises only non-consonant characters.

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Claim 4:
4. The method according to claim 1 further comprising the step of identifying the characters of the first group mapped to each key on the associated key and displaying the characters of the second group mapped to each key according to the selected mode of operation.