Apparatus and methods of selecting special characters in a mobile communication terminal

1. A method of selecting special characters in a hand-held mobile communication terminal, comprising:

inputting an alphabet letter in an editing mode via a keypad;

displaying a mode conversion key and a save key in the editing mode;

displaying on a display a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter, wherein a series of numbers are displayed on the display associated respectively with each of the European alphabet letters; and

selecting one of the European alphabet letters using a numeral key on the keypad.

2. The method of claim 1 , further comprising checking whether the editing mode has been selected.

3. The method of claim 2 , further comprising storing a set of European alphabet letters in a memory.

4. The method of claim 3 , wherein the European alphabet letter set includes a plurality of European alphabet letters divided into a Capital letter group and a small letter group.

5. The method of claim 1 , wherein the displayed European alphabet letters appear in a pop-up window.

6. The method of claim 5 , further comprising displaying the mode conversion key and a cancel key in the editing mode when the pop-up window is displayed.

7. The method of claim 6 , wherein the pop-up window disappears when either the mode conversion key or the cancel key is pressed.

8. The method of claim 1 , wherein displaying a plurality of European alphabet letters, comprises:

judging whether the input alphabet letter is changeable into a European alphabet letter; and

displaying a plurality of European alphabet letters corresponding to the input alphabet letter if the input alphabet letter is changeable into a European alphabet letter.

9. A method of selecting special characters in a mobile communication terminal, comprising:

inputting an alphabet letter;

determining whether a mode conversion key has been activated;

displaying European alphabet letters, including special characters not used in the English alphabet, on an additional screen partially overlaying a screen displaying the input alphabet letter if it is determined that the mode conversion key has been activated; and

selecting one of the displayed European alphabet letters.

10. The method of claim 9 , wherein activation of the mode conversion key activates an editing mode.

11. The method of claim 10 , further comprising displaying the mode conversion key and a save key in the editing mode.

12. The method of claim 9 , further comprising displaying the European alphabet letters in a pop-up window.

13. The method of claim 12 , further comprising displaying the mode conversion key and a cancel key when the pop-up window is displayed.

14. The method of claim 12 , wherein the pop-up window disappears when either the mode conversion key or the cancel key is activated.

15. The method of claim 9 , wherein a series of numbers are associated respectively with the European alphabet letters.

16. The method of claim 9 , wherein the displayed European alphabet letters are selected using numeral keys on a keypad, respectively.

17. The method of claim 9 , wherein the step of displaying the European alphabet letters comprises:

judging whether the input alphabet letter is changeable into a European alphabet letter; and

displaying a plurality of European alphabet letters corresponding to the input alphabet letter if the input alphabet letter is changeable into a European alphabet letter.

18. A method of selecting special characters in a mobile communication terminal, comprising:

storing a set of European alphabet letters in a memory;

inputting an alphabet letter to be converted to a European alphabet letter;

determining whether a mode conversion key has been activated;

displaying a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter on a pop-up window partially overlaying a screen displaying the input alphabet letter when it is determined that the mode conversion key has been activated, wherein the European alphabet letters are read from the memory; and

selecting a desired one of the displayed European alphabet letters.

19. The method of claim 18 , wherein the displayed European alphabet letters are divided into a Capital letter group and a small letter group.

20. The method of claim 18 , wherein displaying a plurality of the European alphabet letters comprises:

judging whether the input alphabet letter is changeable into a European alphabet letter;

reading input-available European alphabet letters from the memory if the input alphabet letter is changeable into the European alphabet letter, wherein the European alphabet letters correspond to the input alphabet letter; and

displaying the European alphabet letters read from the memory on the pop-up window and associating a series of numbers with the European alphabet letters, respectively.

21. The method of claim 18 , wherein the displayed European alphabet letters are selected using numeral keys on a keypad, respectively.

22. Apparatus for selecting special characters in a hand-held mobile communication terminal, comprising:

means for inputting an alphabet letter in an editing mode;

means for displaying on a disp 1 ay a mode conversion key and a save key in the editing mode and a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter, wherein a series of numbers are displayed on the display associated respectively with each of the European alphabet letters; and

means for selecting one of the European alphabet letters.

23. The apparatus of claim 22 , further comprising:

means for determining whether the input alphabet letter is changeable into a European alphabet letter; and

means for displaying a plurality of European alphabet letters corresponding to the input alphabet letter if the input alphabet is changeable into a European alphabet letter.

24. Apparatus for selecting special characters in a mobile communication terminal, comprising:

means for inputting an alphabet letter;

means for determining whether a mode conversion key has been activated;

means for displaying European alphabet letters, including special characters not used in the English alphabet, on an additional screen partially overlaying a screen displaying the input alphabet letter if it is determined that the mode conversion key has been activated; and

means for selecting one of the displayed European alphabet letters.

25. The apparatus of claim 24 , further comprising:

means for determining whether the input alphabet letter is changeable into a European alphabet letter; and

means for displaying a plurality of European alphabet letters corresponding to the input alphabet letter if the input alphabet letter is changeable into a European alphabet letter.

26. Apparatus for selecting special characters in a mobile communication terminal, comprising:

means for storing a set of European alphabet letters;

means for inputting an alphabet letter to be converted to a European alphabet letter;

means for determining whether a mode conversion key has been activated;

means for displaying a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter on a pop-up window partially overlaying a screen displaying the input alphabet letter when it is determined that the mode conversion key has been activated, wherein the European alphabet letters are read from the memory; and

means for selecting a desired one of the displayed European alphabet letters.

27. The apparatus of claim 26 , further comprising:

means for determining whether the input alphabet letter is changeable into a European alphabet letter;

means for reading European alphabet letters from the storing means if the input alphabet letter is changeable into the European alphabet letter, wherein the European alphabet letters correspond to the input alphabet letter; and

means for displaying the European alphabet letters read from the storing means on the pop-up window and associating a series of numbers with the European alphabet letters, respectively.

28. A computer-readable medium provided in a hand-held mobile communication terminal and having stored a sequence of instructions which, when executed by a processor, cause the processor to perform the steps of:

determining whether an alphabet letter has been input in an editing mode;

displaying a mode conversion key and a save key in the editing mode;

displaying on a display a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter, wherein a series of numbers are displayed on the display associated respectively with each of the European alphabet letters; and

determining whether one of the European alphabet letters has been selected using a numeral key on a keypad.

29. The computer-readable medium of claim 28 , wherein displaying a plurality of European alphabet letters, comprises:

determining whether the input alphabet letter is changeable into a European alphabet letter; and

displaying a plurality of European alphabet letters corresponding to the input alphabet letter if the input alphabet letter is changeable into a European alphabet letter.

30. A computer-readable medium having stored a sequence of instructions which, when executed by a processor, cause the processor to perform the steps of:

determining whether an alphabet letter has been input;

determining whether a mode conversion key has been activated;

displaying European alphabet letters, including special characters not used in the English alphabet, on an additional screen partially overlaying a screen displaying the input alphabet letter if it is determined that the mode conversion key has been activated; and

determining whether one of the displayed European alphabet letters has been selected.

31. The computer-readable medium of claim 30 , wherein displaying the European alphabet letters comprises:

determining whether the input alphabet letter is changeable into a European alphabet letter; and

displaying a plurality of European alphabet letters corresponding to the input alphabet letter if the input alphabet letter is changeable into a European alphabet letter.

32. A computer-readable medium having stored a sequence of instructions which, when executed by a processor, cause the processor to perform the steps of:

storing a set of European alphabet letters in a memory;

determining whether an alphabet letter to be converted to a European alphabet letter has been input;

determining whether a mode conversion key has been activated;

displaying a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter on a pop-up window partially overlaying a screen displaying the input alphabet letter when it is determined that the mode conversion key has been activated, wherein the European alphabet letters are read from the memory; and

determining whether a desired one of the displayed European alphabet letters has been selected.

33. The computer-readable of claim 32 , wherein displaying a plurality of European alphabet letters comprises:

judging whether the input alphabet letter is changeable into a European alphabet letter;

reading input-available European alphabet letters from the memory if the input alphabet letter is changeable into a European alphabet letter, wherein the European alphabet letters correspond to the input alphabet letter; and

displaying the European alphabet letters read from the memory on the pop-up window and associating a series of numbers with the European alphabet letters, respectively.

34. Apparatus for selecting special characters in a hand-held mobile communication terminal, comprising:

a key input device configured to allow input of an alphabet letter by a user in an editing mode;

a display configured to display a mode conversion key and a save key in the editing mode and a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter, wherein a series of numbers are displayed on the display associated respectively with each of the European alphabet letters and a user may select a desired European alphabet letter by pressing a key on the key input device designating the number respectively associated with the desired European alphabet letter.

35. The apparatus of claim 34 , further comprising:

a controller configured to determine whether the input alphabet letter is changeable into a European alphabet letter, wherein the plurality of European alphabet letters corresponding to the input alphabet letter are displayed only if the input alphabet letter is changeable into a European alphabet letter.

36. Apparatus for selecting special characters in a hand-held mobile communication terminal, comprising:

a key input device configured to allow input of an alphabet letter by a user in an editing mode;

a controller that determines whether a mode conversion key has been activated;

a display configured to display the mode conversion key and a save key in the editing mode and European alphabet letters, including special characters not used in the English alphabet, on an additional screen if the controller determines that the mode conversion key has been activated, wherein a series of numbers are displayed on the display associated respectively with each of the European alphabet letters and a user may select a desired European alphabet letter by pressing a key on the key input device designating the number respectively associated with the desired European alphabet letter.

37. The apparatus of claim 36 , wherein the controller determines whether the input alphabet letter is changeable into a European alphabet letter, and a plurality of European alphabet letters corresponding to the input alphabet letter are displayed on the display if the input alphabet letter is changeable into a European alphabet letter.

38. Apparatus for selecting special characters in a hand-held mobile communication terminal, comprising:

a memory configured to store a set of European alphabet letters;

a key input device configured to allow input of an alphabet letter to be converted to a European alphabet letter in an editing mode;

a controller configured to determine whether a mode conversion key has been activated;

a display configured to display the mode conversion key and a save key in the editing mode and a plurality of European alphabet letters, including special characters not used in the English alphabet, corresponding to the input alphabet letter on a pop-up window when the controller determines that the mode conversion key has been activated, wherein the European alphabet letters are read from the memory and wherein a series of numbers are displayed on the display associated respectively with each of the European alphabet letters and a user may select a desired European alphabet letter by pressing a key on the key input device designating the number respectively associated with the desired European alphabet letter.

39. The apparatus of claim 38 , wherein the controller determines whether the input alphabet letter is changeable into a European alphabet letter and reads European alphabet letters from the memory if the input alphabet letter is changeable into the European alphabet letter, wherein the European alphabet letters correspond to the input alphabet letter, and wherein the European alphabet letters read from the memory are displayed on the pop-up window associated with the series of numbers, respectively.