JPH09294170A - Mobile communication terminal equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability by providing a guidance display at the entry of a terminal equipment where a plurality of characters is assigned to one key so as to uniformize number of times of key operation thereby avoiding ununiformned entry depending on a character. SOLUTION: In the case of entering a character 'Ne' in the Kana (Japanese syllabary) entry mode, when a key 5 of an entry section is depressed, a guidance menu of a character group N-series assigned to the key 5 is displayed on a display section. When '4' is depressed according to the guidance menu, 'Ne' is confirmed and a confirmed character is displayed on an uppermost stage. According to this method, number of times of key operation is uniformized as to each character till the character is decided thereby avoiding ununiformity of the entry depending on characters. Moreover, even after a character group is designated through the depression of a numeral key, a longitudinal scroll key 9 is depressed to revise the character group. Thus, in the case of entry of a terminal equipment where pattern of characters are assigned to one key, guidance indication is provided to improve the operability of key entry.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character input system for mobile communication terminals.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 14, character input in a mobile terminal of this type is performed by grouping keys (0 to 0).
A method of selecting and inputting characters by switching the characters displayed on the display screen as shown in FIG. 15 by continuously pressing the keys by the input means according to 9) is adopted. Further, when erasing characters, a method of erasing one character by short-pressing the erasing (clear) key and batch erasing by long-pressing the erasing (clear) key is adopted.

[0003]

In the above-described conventional character selection and input method for portable terminals, it is difficult to grasp all the characters assigned to each key at the time of input,
You must press the same key multiple times before the character you want to enter appears, and if you press the wrong number of times, you must press the key until all the characters assigned to that key have been cycled. There was a problem that I could not return to.

Further, in the case of performing the input editing work by the above-mentioned conventional input method, there is a problem that there is no method other than re-input in order to recover a character erased by an erroneous operation.

The present invention has been made to solve the above problems, and reduces the number of key inputs until the character or code is determined, provides easy-to-understand guidance when inputting characters, and selects characters. Another object of the present invention is to provide a character input method for a mobile terminal, which facilitates an input operation and a deletion character recovery function to facilitate editing work.

[0006]

A mobile communication terminal according to the invention of claim 1 comprises: an input means to which a plurality of characters (character groups) grouped into one key are assigned; and an input means. From the character group selection means for selecting a specific character group, the guidance display means for displaying the character group selected by the character group selection means together with the method of confirming each character, and the character group selected by the character group selection means. An input character confirmation means for confirming a certain character by the confirmation method for each character of the guidance display means, and a confirmed character string display means for displaying a character string consisting of the characters confirmed by the input character confirmation means. To do.

A mobile communication terminal according to a second aspect of the present invention is the mobile communication terminal according to the first aspect, wherein the character group changing means for changing the character group selected by the character group selecting means and the character group by the character group changing means. And a guidance display changing means for changing the guidance display of the guidance display means to a display corresponding to the changed character group.

A mobile communication terminal according to a third aspect of the present invention is the mobile communication terminal according to the first or second aspect, wherein after pressing a certain key of the input means, a character group corresponding to the key is selected. The guidance display means displays a character group and a key to be pressed to confirm each character.

A mobile communication terminal according to a fourth aspect of the present invention is the mobile communication terminal according to the second aspect, wherein a certain key of the input means is pressed to select a character group corresponding to the key and then the input means of the input means is pressed. The character group is changed by pressing a key for changing the character group.

A mobile communication terminal according to a fifth aspect of the present invention is the mobile communication terminal according to the first or second aspect, wherein a certain key of the input means is pressed to select a character group corresponding to the key. The specific character in the character group is determined by pressing a certain key of the input means according to the guidance displayed on the guidance display means.

A mobile communication terminal according to a sixth aspect of the present invention is the mobile communication terminal according to the first or second aspect, wherein a certain key of the input means is pressed to select a character group corresponding to the key. Displaying a group of characters on the guidance display means, marking the currently selected character with a cursor, blinking, etc., and moving the marking position by pressing the key that switches the selected character, and switching the selected character. Is characterized by.

A mobile communication terminal according to a seventh aspect of the present invention is the mobile communication terminal according to the sixth aspect, wherein a specific character in a character group is selected by pressing a key for switching a selected character, and the key is fixed. It is characterized in that the input is fixed by separating the time.

A mobile communication terminal according to an eighth aspect of the present invention is the mobile communication terminal according to the sixth aspect, wherein a specific character in a character group is selected by pressing a key for switching a selected character, and then the character is selected. It is characterized in that the input is fixed by pressing a key for fixing the selected character.

A mobile communication terminal according to a ninth aspect of the present invention is the mobile communication terminal according to the first or second aspect, wherein after the guidance is displayed by the guidance display means, the letters having lowercase letters display the guidance in lowercase letters. And an uppercase / lowercase display switching means for switching between uppercase and lowercase.

A mobile communication terminal according to the invention of claim 10 is
The mobile communication terminal according to claim 9, wherein after the guidance is displayed by the guidance display means, the letter having a lowercase letter is changed to a lowercase display by depressing the key of the input means, and then the key of the input means is changed. It is characterized by switching to uppercase display by pressing.

The mobile communication terminal according to the invention of claim 11 is
The mobile communication terminal according to any one of claims 1 to 10, further comprising a character selection / input means switching setting means capable of switching to a character selection / input means by inputting the same key a plurality of times. Characterize.

A mobile communication terminal according to the invention of claim 12 is
In the mobile communication terminal according to claim 1 or 2, after deleting the character of the confirmed character string displayed on the confirmed character string display means, the deleted character is stored in the storage means and deleted by the input means. Characterized by being able to recover characters.

A mobile communication terminal according to the invention of claim 13 is
In the mobile communication terminal according to claim 1 or 2, after deleting one character of the confirmed character string displayed on the confirmed character string display means, the deleted one character is stored in the storage means, and the deleted by the input means. The feature is that one character can be recovered.

A mobile communication terminal according to the invention of claim 14 is
13. The mobile communication terminal according to claim 12, wherein after the confirmed character strings displayed on the confirmed character string display means are collectively deleted, the deleted character strings are stored in the storage means and the character strings deleted by the input means are collectively deleted. It is characterized by being able to recover by doing.

A mobile communication terminal according to the invention of claim 15 is
13. The mobile communication terminal according to claim 12, wherein when the fixed character string displayed on the fixed character string display means is deleted, the storage means for storing the deleted character / character string in the memory and the recovery key are long. A means to determine whether it was pressed or a short press, and if the recovery key was pressed for a long time, a means to read the deleted character string from the storage means to collectively restore the screen, and a recovery key was pressed shortly. In this case, a means for reading one character deleted from the storage means and displaying it on the screen is provided.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1. Embodiment 1 of the present invention will be described below with reference to the drawings. 1 is an overall configuration diagram of a mobile communication terminal according to Embodiment 1 of the present invention. In the figure, 1 is a CPU for performing overall control in the mobile communication terminal, 2 is an input means for inputting characters on the mobile communication terminal, 3 is display means for displaying characters on the mobile communication terminal, and 4 is input means 2. , A memory for storing information necessary for controlling the display means 3.

FIG. 2 is a diagram showing a display unit and an input unit according to the first embodiment of the present invention, which is the same as the conventional device. In the figure, 5 is a display unit capable of displaying characters such as an LCD, and 6 is an input unit for inputting characters using keys.

FIG. 3 is a diagram showing an example of a display pattern of the display unit 5 according to the first embodiment of the present invention. In the character input mode, the display unit 5 is divided into a confirmed character string display unit 7 for displaying a confirmed character string and a guidance display unit 8 for displaying input guidance.

In the first embodiment of the present invention, an example of inputting "ne" in a mode for inputting kana characters will be shown. Enter kana input mode and enter key 5
When is pressed, as shown in FIG. 4, a guidance screen of a line which is a character group assigned to the key 5 is displayed on the display unit. Next, by pressing 4 according to the guidance screen, the letter is confirmed and displayed as the confirmed character in the uppermost row. Here, the guidance screen disappears, and by pressing the key again, the guidance screen of the designated line is displayed. By this method, the number of key operations until the character is determined is uniform for each character, and the inconsistency of the input operation by characters is eliminated.

Here, as shown in FIG. 5, even after the character group is specified by pressing the numeral keys, the character group can be changed by pressing the vertical scroll key 9 such as the △ / ▽ key. Is.

FIG. 6 is a flow chart showing the procedure of character group selection and character confirmation in the character input mode of the device shown in FIG. When entering the character input mode, step 1
When the character group selection key is input by 0, the input guidance of the character group corresponding to the key is displayed in step 11, and then in step 12, it is determined whether or not the vertical scroll key is input. When there is an input from the vertical scroll key, the process of switching the input guidance is performed in step 13. If the vertical scroll key is not input in step 12, it is determined in step 14 whether the selected number key displayed in the guidance has been input,
When the selected numeric key is input, the character corresponding to the numeric key selected in step 15 is displayed on the confirmed character display portion 7.

Embodiment 2. In the first embodiment, the guidance is erased after confirming the character as a means for selecting and confirming the character, but the guidance display is left in the character input mode and the vertical scroll key such as the △ / ▽ key is pressed. By doing so, the character group to be input next may be selected.

Embodiment 3. In the first and second embodiments, a method of selecting a character group and then inputting the selection number displayed in the guidance is adopted as a means for selecting and confirming a character. As shown in 7, the character currently selected in the guidance is marked and displayed by the cursor display 16, and the character is selected by moving the marking with the cursor horizontal movement keys> / <and pressing the key for a certain period of time. If there is no, confirm the character.

Embodiment 4 In the third embodiment, the state in which no key is pressed for a certain period of time is adopted as the means for confirming the marked character, but a key for confirming the marked character may be separately provided.

Embodiment 5 FIG. 8 is a diagram showing an example in which by pressing the upper / lower case switching key while the guidance is being displayed, the guidance can be switched between the lower case display and the upper case display for a character group having a lower case. This can be expected to improve the operation of switching between uppercase / lowercase input. For a character group with no lowercase letters, the uppercase / lowercase switching key is ignored and the current display is continued.

FIG. 9 is a flow chart showing the procedure for switching the uppercase / lowercase display of the guidance. In the state in which the guidance is displayed, it is determined in step 17 whether or not the character group includes lowercase letters. If the character group includes lowercase letters, it is determined in step 18 whether the lowercase guidance is currently being displayed. If the lowercase guidance is being displayed, the uppercase guidance display is switched in step 19. If the small letter guidance is not being displayed, the display is switched to the small letter guidance in step 20.

Embodiment 6 FIG. In FIG. 10, the mobile communication terminal has both the character input means of the present invention and the conventional character input means, and at the time of character input, the character input means previously stored in the memory is activated. The input means stored in this memory can be selected and determined by the user, and the input mode most convenient for the user can be selected. When the mode is changed to the character input mode, first, in step 21, which input mode is set in the memory is read out, and in step 22, it is determined. In steps 23 and 24, the input means corresponding to the set input mode is activated.

Embodiment 7 Selection of characters according to the present invention
The character string confirmed by input can be erased one character by short-pressing the clear key and batch-erasing by long-pressing the clear key in the same manner as in the past. As shown in FIG. 11, the present embodiment shows an example of recovery of deleted characters when a call key is used as a key for recovering deleted characters.

When the character string whose input has been confirmed is displayed on the screen, a short press of the clear key erases one character to the left of the cursor 25. The deleted characters are stored in the memory of the mobile communication terminal. Next, when the call key is pressed, the deleted characters can be read from the memory and restored.

Embodiment 8 FIG. In the seventh embodiment, one deleted character is restored. However, in addition to deleting one character in the mobile communication terminal, the input confirmed character string displayed on the screen can be displayed by pressing and holding the clear key. There is a function that erases all at once. In the present embodiment, in order to enable recovery by this batch deletion, the deleted character string is stored in the memory of the mobile communication terminal as in the case of deleting one character as shown in FIG. Press and hold to read the deleted character strings from the memory and restore them.

Embodiment 9 In the present embodiment, both recovery of deleted characters and collective recovery of deleted character strings in Embodiments 7 and 8 are realized, and further improvement in operability can be expected. FIG. 13 is a flowchart showing an example of a procedure for recovering deleted characters in the device shown in FIG.

When deletion processing is performed. In step 26, the character string of the deleted character is stored in the memory. Next, it is determined in step 27 and step 28 whether the recovery key has been pressed for a long time or for a short time. If the key is pressed for a long time, the deleted character string is read from the memory stored at the time of deletion in step 26 in step 29 to restore the screens in a batch. Then, display it on the screen and restore it.

[0038]

As described above, according to the present invention,
By providing a guidance display at the time of input of a mobile communication terminal in which a plurality of characters are assigned to one key,
It becomes possible to judge all the characters assigned to each key at the time of input, and it is possible to improve the operability in key input until the character string to be input is confirmed. Further, the guidance switching function makes it possible to smoothly shift to the search for the next selection candidate. Further, when the input character string is erased by erroneous erasure, since the character and character string recovery operation is provided, there is no need to re-input, and the character string editing operation becomes easy.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a mobile communication terminal according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a display unit and an input unit of the mobile communication terminal according to the first embodiment of the present invention.

FIG. 3 is a diagram showing a display pattern on the display unit of the mobile communication terminal according to the first embodiment of the present invention.

[Fig. 4] Fig. 4 is an explanatory diagram up to character confirmation with the numeric keys after guidance is displayed on the mobile communication terminal according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of guidance switching by vertical scrolling of the mobile communication terminal according to the first embodiment of the present invention.

FIG. 6 is a flowchart diagram up to guidance switching and character determination in the character input mode of the mobile communication terminal according to the first embodiment of the present invention.

FIG. 7 is a diagram showing character selection by lateral movement of the cursor in the character input mode of the mobile communication terminal according to the third embodiment of the present invention.

FIG. 8 is a diagram showing switching between uppercase / lowercase display in a character input mode of a mobile communication terminal according to a fifth embodiment of the present invention.

FIG. 9 is a flowchart of switching between uppercase / lowercase display in the character input mode of the mobile communication terminal according to the fifth embodiment of the present invention.

FIG. 10 is a flowchart diagram showing a plurality of character input mode switching means in a mobile communication terminal according to Embodiment 6 of the present invention.

FIG. 11 is a diagram showing deleted character recovery in the character input mode of the mobile communication terminal according to the seventh embodiment of the present invention.

FIG. 12 is a diagram showing recovery of deleted characters collectively in a character input mode of a mobile communication terminal according to an eighth embodiment of the present invention.

FIG. 13 is a flow chart showing a procedure for restoring deleted characters in the character input mode of the mobile communication terminal according to the ninth embodiment of the present invention.

FIG. 14 is a diagram showing a character group corresponding to an input key of a conventional mobile communication terminal.

FIG. 15 is an explanatory diagram of character input in a conventional mobile communication terminal.

[Explanation of symbols]

1 CPU, 2 input means, 3 display means, 4 memory, 5 display section, 6 input section, 7 confirmed character string display section,
8 Guidance display, 9 Vertical scroll key, 16
Cursor, 25 cursors.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location H04M 1/00

Claims (15)

[Claims] 1. An input unit to which a plurality of characters (groups of characters) divided into groups are assigned to one key, and a character group selection unit for selecting a specific character group by the input unit. A guidance display means for displaying the character group selected by the character group selection means together with a method for deciding each character, and a method for deciding each character in the guidance display means from the character group selected by the character group selection means A mobile communication terminal, comprising: an input character confirmation means for confirming a certain character by means of; and a confirmed character string display means for displaying a character string composed of the characters confirmed by the input character confirmation means. 2. A character group changing means for changing the character group selected by the character group selecting means; and a case where the character group is changed by the character group changing means,
The mobile communication terminal according to claim 1, further comprising guidance display changing means for changing the guidance display of the guidance displaying means to a display corresponding to the changed character group. 3. A character group corresponding to the key is selected by pressing a certain key of the input means, and then the character group and the key to be pressed to confirm each character are displayed by the guidance display means. The mobile communication terminal according to claim 1 or 2, wherein 4. A character group corresponding to the key is selected by pressing a certain key of the input means, and then the key for changing the character group of the input means is pressed to select the character group. The mobile communication terminal according to claim 2, wherein the mobile communication terminal is changed. 5. By pressing a certain key of the input means, after selecting a character group corresponding to the key, by pressing a certain key of the input means in accordance with the guidance displayed on the guidance display means. The mobile communication terminal according to claim 1 or 2, wherein a specific character in the character group is determined. 6. A character group corresponding to the key is selected by depressing a certain key of the input means, and then the character group is displayed on the guidance display means, and the currently selected character is cursored, blinked, or the like. The mobile communication terminal according to claim 1 or 2, wherein the marking position is moved by moving the marking position by depressing a key for marking the selected character and switching the selected character. 7. The movement according to claim 6, wherein a specific character in the character group is selected by pressing a key for switching the selected character, and the input is confirmed by releasing the key for a certain period of time. Communication terminal. 8. A specific character in a character group is selected by pressing a key for switching a selected character, and then input is confirmed by pressing a key for confirming the selected character. The mobile communication terminal according to claim 6, wherein the mobile communication terminal is a mobile communication terminal. 9. The display device according to claim 1, further comprising: an upper / lower case display switching unit for switching the guidance between a lower case display and an upper case display after the guidance is displayed by the guidance display unit. Item 2. A mobile communication terminal according to item 2. 10. After displaying the guidance by the guidance display means, by pressing the key of the input means to change the guidance to the lower case display for the characters having lowercase letters, and then pressing the key of the input means. 10. The mobile communication terminal according to claim 9, wherein the display is switched to an uppercase display by. 11. The character selection / input means for switching the character selection / input means by inputting the same key a plurality of times is provided with a switching setting means of the character selection / input means. The mobile communication terminal described in. 12. The character of the confirmed character string displayed on the confirmed character string display means is deleted, the deleted character is stored in the storage means, and the deleted character can be restored by the input means. The mobile communication terminal according to claim 1 or 2. 13. After deleting one character of the confirmed character string displayed on the confirmed character string display means, the deleted one character is stored in the storage means, and the deleted one character can be restored by the input means. The mobile communication terminal according to claim 12, wherein: 14. The batch deletion of the fixed character string displayed on the fixed character string display means, the storage of the deleted character string, and the batch recovery of the deleted character string by the input means. The mobile communication terminal according to claim 12, wherein 15. When deleting a fixed character string displayed on the fixed character string display means, a storage means for storing the deleted character / character string in the memory, and whether the recovery key is pressed for a long time, A means for determining whether or not a short press has been made, a means for collectively restoring the screen by reading the deleted character string from the storage means when the recovery key has been long pressed, and a case where the recovery key has been shortly pressed. 13. The mobile communication terminal according to claim 12, further comprising: a unit that reads one deleted character from the storage unit and displays it on a screen.