JP4258981B2 - Character input correction method and portable terminal device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a character input correction method and a portable terminal device, and more particularly to a character input correction method for correcting a character input when a character is input using a plurality of keys and a portable terminal device using the same.
[0002]
[Prior art]
In mobile terminal devices such as mobile phones, various character information that is a single or mixed character string such as numbers, English characters, Katakana characters, Kanji characters, symbols, etc. It is displayed on the display unit using a key for the purpose. In order to input desired character information, the number of keys for character input should be larger.
[0003]
However, since the mobile terminal device is required to be small and light, it is desirable to reduce the number of keys. For this reason, existing function keys, numeric keys, and symbol keys are defined on the software, and kanji input is possible. Conventionally, a portable terminal device that does not require a dedicated key is known (Japanese Patent Laid-Open No. 10-13523: title of invention “mobile phone”).
[0004]
This conventional portable terminal device is provided with number input means, English character input means, katakana character input means, symbol input means and hiragana character input means, and mode selection, kanji conversion, kanji search for existing numeric keys and function keys, Define the registration function by software, assign "Wa line" from "A line" to each numeric keypad, input one hiragana character of each line by the number of times the numeric key is pressed, and select one input hiragana character to Kanji conversion function key It is characterized in that it is converted into kanji and displayed on the display unit.
[0005]
This conventional mobile terminal device is equipped with a cursor that can be moved before and after the displayed character to delete or insert the character. When correcting the input character, the character at the cursor position is deleted. Thus, the first correction method for re-inputting or the second correction method for correcting the error by continuing the input after one cycle because the hiragana characters on the same line circulate when the same key is continuously pressed. It will be either.
[0006]
So, for example, if you want to enter “Suzuki”, “Su” is assigned to “3” on the numeric keypad, so you can enter it by pressing the key three times. ”Is assigned to“ 2 ”of the numeric keypad, so it can be entered by pressing the key twice. However, the first“ s ”should be pressed four times by mistake when“ 3 ”of the numeric keypad should be pressed three times. Therefore, when “se” is input and is corrected to “su”, the above first correction method is shown in FIG. 2 (c), and the above second correction method is shown in FIG. The key input operation shown in d) is required.
[0007]
That is, in the first correction method, as shown in FIG. 2C, “3333” and “3” of the numeric keypad are pressed four times to clear the “set” input by pressing the clear key, Thereafter, the input from the first character is performed again, and then the desired character “SUZUKI” can be input by pressing each key in the order of “333 → 333 # 22”. Note that “→” means that the right arrow cursor key is pressed, and “#” means that the symbol key “#” assigned to the muddy point input is pressed.
[0008]
Also, in the second correction method, as shown in FIG. 2D, in order to correct “se” inputted to “3” by pressing “3333” and “3” of the numeric keypad four times, Furthermore, “su” is input by pressing “3” of the numeric keypad four times, and then the desired character “suzuki” can be input by pressing each key in the order of “→ 333 # 22”.
[0009]
[Problems to be solved by the invention]
However, in the above-described conventional portable terminal device, as shown in FIGS. 2 (c) and 2 (d), 15 key input operations are required in both cases of the first and second correction methods. The character input correction work is complicated.
[0010]
The present invention has been made in view of the above points, and an object of the present invention is to provide a character input correction method and a mobile terminal device that can correct an input character with a small number of key operations.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, according to the character input correction method of the present invention, a plurality of different characters are assigned in advance to each of a plurality of keys for inputting information to be displayed on a display. In the character input correction method of the device that causes the input characters to be cyclically switched and displayed on the display unit one character at a time in accordance with the number of times the key is pressed, the display unit is pressed by pressing a correction key different from a plurality of keys. When one arbitrary first character displayed in the screen is corrected, the first character is decomposed into a key input indicating a key type and the number of times of pressing among a plurality of keys pressed to input the first character. As a result of the decomposition in step 1 and step 1, the second step for determining whether the first character is a character input by pressing the same key multiple times and the first character are the same key. Is the same as the second character input with the number of times of pressing one less than the number of times of pressing the same key pressed when inputting the first character. And a third step of subdividing the third character that is input when the key is pressed once, and a new character can be input at the position of the third character.
[0012]
In the present invention, when the first character to be corrected is a character input by pressing the same key a plurality of times, the same key as the second character input with the number of times of pressing one less than the number of times of pressing is used. Since the third character input when the key is pressed once is subdivided, the first character is pressed because the same key is pressed once more than the number of times required to input the character to be originally input. Can be immediately corrected by arranging the second character to be originally input and the third character in the first order input by pressing the key.
[0013]
In order to achieve the above object, the present invention further corrects the third character by inputting the third character input when the same key is pressed once and the first character. A fourth step of re-dividing the second character that is input with the number of times of pressing one less than the number of times the same key is pressed, and the first character is changed to the third character and the second character. Characters are arranged in the order of characters, and a new character can be input at the position of the second character. In the present invention, when the character to be input is the third character, the second character can be subdivided and displayed after the third character.
[0014]
In order to achieve the above object, according to the method of the present invention, a plurality of different characters are assigned in advance to each key of a plurality of keys for inputting information to be displayed on a display unit. In the character input correction method of the device that switches the characters to be input to the display cyclically one character at a time in a predetermined order according to the number of times, the display is displayed on the display by pressing a correction key different from a plurality of keys. when correct any one of the first characters that are, a plurality of pressed in order to enter the first letter of the key of the key type and the press count of the first decomposing the key input shown And a second step of determining whether or not the first character is a character input by pressing the same key multiple times and then pressing another key once as a result of the disassembly by the first step; If it is determined that one character has been input by pressing the same key multiple times and then pressing another key once, the number of times the same key pressed when inputting the first character is one. A second character that is input with a smaller number of times of pressing, and a third step of subdividing the third character that is input when the same key is pressed once and then another key is pressed once. Including a new character at the position of the third character.
[0015]
In the present invention, when the first character to be corrected is a character that is input by pressing the same key a plurality of times and then pressing another key once, the key necessary for inputting the first character is changed. Subdivide the second character that is input with the number of times of pressing one less than the number of times of pressing and the third character that is input when the same key is pressed once and then another key is pressed once. Therefore, the character input error that the first character has been input because the key is pressed once more than the number of key presses necessary to input the character to be originally input and another key is pressed once, The second character to be input and the third character input by pressing the key once and then pressing another key once can be immediately corrected.
[0016]
In order to achieve the above object, the device of the present invention includes a display for displaying characters, symbols and numbers, a plurality of keys for inputting information to be displayed on the display, a hiragana character input mode, and a katakana character. A mode switch for selecting any one of the input mode, number input mode, English character input mode, and symbol input mode, and the currently selected mode is pressed by a plurality of keys. When displaying characters, each of a plurality of keys is assigned a plurality of different characters in advance, and the characters to be input are cyclically switched and displayed one by one in a predetermined order according to the number of times the key is pressed. The character input means to be displayed and the cursor that can move to the front and back of the displayed character and indicate the character deletion, insertion, correction, and input position are displayed. Sol display means, correction key pressed when correcting the character at the cursor position displayed on the display, and correcting one first character at the cursor position by pressing the correction key, Determining means for determining whether or not the first character is a character input by pressing the same key a plurality of times by decomposing the key input indicating the type and the number of times the key is pressed to input the first character. When the determination means determines that the first character is a character input by pressing the same key multiple times, the pressing is one less than the number of times the same key is pressed when inputting the first character. A second character that is input by the number of times and a third character that is input when the same key is pressed once are subdivided and displayed, and the third character is displayed at the cursor position. A subdivision means Those were.
[0017]
In order to achieve the above object, the device of the present invention inputs the first character when the determination means corrects one first character at the cursor position by pressing the correction key. Is divided into key inputs indicating the types of keys pressed and the number of times pressed, and it is determined whether or not the first character is a character input by pressing the same key a plurality of times. When it is determined that the first character is a character that is input by pressing another key after pressing the same key multiple times, one is determined from the number of times the same key is pressed when the first character is input. A second character that is input with a small number of times of pressing and a third character that is input when the same key is pressed once and then another key is pressed are re-divided and displayed at the cursor position. The third character is displayed. .
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an external front view of an embodiment of a portable terminal device according to the present invention, and FIG. 2 is a diagram for explaining a key input operation according to an embodiment of the present invention and a conventional key input operation in comparison. FIG. 3 is a flowchart of an embodiment of a character input correction method according to the present invention, and FIGS. 4 and 5 are flowcharts for explaining the processing of the main part of FIGS. 3 and 4, respectively.
[0019]
In FIG. 1, a mobile phone 100 as an example of a mobile terminal device of the present invention includes a display 101 that displays input characters, and the cursor moving direction displayed on the display 101 is up, down, left, and right. When inputting a character, a cursor key 102 for instructing in any direction, an on-hook key 103, a correction key 104 pressed when correcting an input character, an off-hook key 105, an enter key 106 A numeric keypad including a character key 107 to be pressed, a clear key 108 for deleting an input character, a symbol key for inputting numbers “0” to “9” and symbols “*” and “#” ( Various keys such as a numeric key 109 are provided on the front of the panel. In addition, the mobile phone 100 has a receiver 110 and a transmitter 111 at the upper part and the lower part of the front of the casing.
[0020]
Of the numeric keys 109, the numeric keys “1” to “9” are individually assigned from “A” to “R”, and the “0” numeric keys are assigned from “W” to “R”. Are defined by software so that the corresponding Hiragana or Katakana character on each line can be input according to the number of times the key is pressed. Furthermore, English characters are assigned to the numeric keys “2” to “0” as shown in FIG.
[0021]
Next, the operation of the present embodiment will be described with reference to FIGS. 1 and 3 to 5. First, as the operation of the entire input process, it is determined whether or not any of the various keys shown in FIG. 1 has been input (step 301 in FIG. 3). It is determined whether or not this is due to the depression of the character key 107 shown in FIG. 3 (step 302 in FIG. 3). The character key 107 is a key for switching the input mode. Each time the character key 107 is pressed, the character key 107 is sequentially switched to a numeric input mode, an English character input mode, a hiragana character input mode, a katakana character input mode, and a symbol input mode. When the character key 107 is pressed once more in the input mode state, cyclic mode switching is performed to return to the numeric input mode. When the character key 107 is not pressed, the previous character input mode state is maintained.
[0022]
Accordingly, when the character key 107 is pressed, the character input mode is switched (step 303 in FIG. 3). When the cursor key 102 and the numeric key 109 other than the character key 107 are pressed, the current character is displayed. It is determined what the input mode is (steps 304, 306, 308, 310, 312 in FIG. 3), and character input processing corresponding to the input mode at that time is performed (steps 305, 307, 309, 311 in FIG. 3). 313). The above operation is repeated until the input is completed (step 314 in FIG. 3).
[0023]
This embodiment is characterized by the hiragana character input process or the katakana character input mode, and both are substantially the same process. Next, representatively, the hiragana character input process at step 309 in FIG. This will be described in detail. As shown in FIG. 1, the numeric keys “1”, “2”, “3”,..., “9”, “0” are “A”, “K”, “S”. , .., “Ra line”, “Wa line”, and in the hiragana character input process, it is first determined which one of the numeric keys has been pressed (steps 401, 403, 405,. 407), input processing of a line corresponding to the pressed numeric key is performed (steps 402, 404, 406... 408 in FIG. 4).
[0024]
In the input process for each line, first, it is determined whether or not the key input is different from the previous key input that was saved, and if it is different, the first character of the line (for example, "or" for "or line") is determined. Then, the data is added to a buffer provided in the mobile phone 100, and the cursor position is moved to an additional character.
[0025]
For example, if the number “3” of the numeric keys 109 is pressed immediately after the start of character input, the line input process is executed in the determination process of step 405 in FIG. 4 (step 406 in FIG. 4). . Here, since there is no previous key input and is different from the previous key input, the first character “sa” of “sa line” is added to the buffer.
[0026]
If the key input is the same as the previous key input, a conversion process is performed on the character at the cursor position so that the character can be input cyclically. For example, when the character at the cursor position is “sa” and the numeric “3” key is pressed, the line input process is executed by the determination process in step 405 in FIG. 4 (step 406 in FIG. 4). . Here, when the “3” key is pressed immediately before, the character at the cursor position is “sa” and is the same key input as the previous time, so “sa” in the buffer is converted to “shi”. This character in the buffer is displayed on the display 101 as the character at the cursor position.
[0027]
Furthermore, when the “3” key is continuously pressed, the character in the buffer, that is, the character at the cursor position is “so”, and when the “3” key is pressed again, the character in the buffer (cursor (Position character) returns to the first character “sa” of “sa line”. As described above, when the same numeric key is continuously pressed, characters on the same line are cyclically switched.
[0028]
Further, when pressing of the cursor key 102 is detected (step 409 in FIG. 4), cursor movement processing is performed (step 410 in FIG. 4), and a display update is performed in which the cursor position moves in the moving direction of the cursor key 102. (Step 415 in FIG. 4). Thereby, a character display position and a character input position can be changed. When the depression of the clear key 108 in FIG. 1 is detected (step 411 in FIG. 4), display clear processing is performed (step 412 in FIG. 4), and display update is performed to delete the character at the cursor position. (Step 415 in FIG. 4).
[0029]
By repeating the above operation until the input is completed, a desired character can be input. The above is the same as the conventional character input method. However, in this embodiment, when it is detected that the correction key 104 in FIG. 1 is pressed (step 413 in FIG. 4), the hiragana character correction process is performed. (Step 414 in FIG. 4) is characterized.
[0030]
This hiragana character correction process will be described with reference to the flowchart of FIG. In the hiragana character correction process, first, the character at the cursor position is extracted from the buffer and decomposed into key inputs (step 501 in FIG. 5). Here, it is also possible to store the key input directly without storing the characters in the buffer. In this case, the decomposition process into the key input is not necessary.
[0031]
Subsequently, it is determined whether or not the split key input can be subdivided (step 502 in FIG. 5). If possible, the subdivision processing is performed (step 503 in FIG. 5). Here, the re-division processing is a case where the result of dividing a character into key inputs is a sequence of two or more of the same key inputs. For example, “U” (“111”). On the other hand, if the key input sequence is not the same as “gi” (“22 #”), it is assumed that re-division is not possible. However, among the above “22 #”, the same key input sequence “22” in the first half may be subdivided. In this case, the key input “22 #” is subdivided into “2” and “2 #”, and as a result, “gi” is subdivided into “ga”. When re-division processing is performed, the cursor position moves to the last character position after re-division (step 504 in FIG. 5).
[0032]
It should be noted that when the correction key 104 is continuously pressed with reference to the key input immediately before being saved, the re-division processing may be performed including the character immediately before the cursor position. For example, when the “1” key is pressed three times in succession (denoted as “111”), “U” is displayed at the cursor position on the display unit 101 of FIG. Is pressed once, the image is redivided into “11” and “1” (steps 501 to 503 in FIG. 5). As a result, the display changes from “Yes” to “A”, and the cursor position moves to “A” (step 504 in FIG. 5).
[0033]
Subsequently, when the correction key 104 is further pressed once, the character “A” (“1”) at the cursor position cannot be subdivided, so the character “I” (“11”) immediately before it is combined with “11”. → 1 ”is broken down into key inputs, and as a re-division process, the delimiter“ → ”is moved to the right and converted to“ 1 → 11 ”, thereby re-dividing“ Ia ”into“ Ai ”. The correction may be continuously possible.
[0034]
Next, it will be described that the number of key inputs is reduced by the hiragana character correction processing (step 414 in FIG. 4 and steps 501 to 504 in FIG. 5) of the present embodiment as compared with the conventional case. When entering “Suzuki” in the character input mode, “Su” is assigned to the “3” key with the number “3”, so it can be entered by pressing the “3” key three times. Since “K” is assigned to the numeric “2” key, it can be input by pressing the “2” key twice. If there is no character input error, FIG. As shown in the figure, “Suzuki” can be input by pressing the key 10 times in the order of “333 → 333 # 22”.
[0035]
Here, in order to input the first “su”, the “3” key should be pressed three times, but it was accidentally pressed four times, so “se” was input, and this was changed to “su”. In the case of correction, in the present embodiment, the correction key 104 is pressed once to correct the character “se” at the cursor position.
[0036]
As a result, the input key data in the buffer is “set” as shown in FIG. 6A before the correction key 104 is pressed, but when the correction key 104 is pressed, FIG. As shown in FIG. 6C, the key data “3333” of “SE” is subdivided into “333” and “3”, and as a result, “333 → 3” is input. ), The key data in the buffer is divided into “su” and “sa”, and the cursor position moves to the “sa” position.
[0037]
Accordingly, when the correction key 104 is pressed once in order to correct the character “se” at the cursor position, it is converted into “su” and “sa” as indicated by ★ in FIG. Thereafter, as shown in FIG. 2 (b), by pressing the keys in the order of "33 # 22", the character "Suzuki" to be input can be input.
[0038]
As shown in FIG. 2 (b), the number of key presses in this embodiment is the same as the case of no input error shown in FIG. 2 (a), which is the same as that in FIG. 2 (c). In addition, the number of key presses of the character correction method shown in FIG. In addition, the present embodiment has a feature that a special mode is not required because character input itself is the same as the conventional method.
[0039]
In addition, this invention is not limited to said embodiment, For example, this invention can be similarly applied not only to a katakana character but to an English character. Further, the present invention is applicable to all other mobile terminal devices such as PHS other than mobile phones, electronic notebooks, and portable information terminals.
[0040]
【The invention's effect】
As described above, according to the present invention, the first character is input because the same key is pressed once more than the number of times required to input the character to be originally input. The error can be corrected immediately after the second character to be input and the third character in the first order input by pressing the key, or when the character to be input is input The second character to be originally input and the key for the character input error that the first character has been input because the key is pressed once more than the number of times required for the key and another key is pressed once. Since the third character entered by pressing the key once and then pressing another key can be corrected immediately, the character correction can be performed with the same number of key presses as when inputting the correct character. Incorrect character input It can be significantly reduced key press count of time to correct.
[0041]
In addition, according to the present invention, characters can be continuously corrected, so that the number of key presses during character correction can be reduced. Furthermore, according to the present invention, the character input mode itself may be the same as the conventional method, so that no special mode is required.
[Brief description of the drawings]
FIG. 1 is an external front view of an embodiment of a portable terminal device according to the present invention.
FIG. 2 is a diagram illustrating a comparison between a key input operation according to an embodiment of the present invention and a conventional key input operation.
FIG. 3 is a flowchart of an embodiment of a character input correction method according to the present invention.
FIG. 4 is a flowchart of an embodiment of the hiragana character input process in FIG. 3; FIG.
FIG. 5 is a flowchart of one embodiment of the hiragana character correction process in FIG. 4;
6 is an explanatory diagram of an example of a re-division process in FIG. 4; FIG.
[Explanation of symbols]
100 mobile phone 101 display 102 cursor key 104 correction key 107 character key 108 clear key 109 numeric key 309 hiragana character input processing step 414 hiragana character correction processing step 503 subdivision processing step

Claims (6)

A plurality of different characters are assigned in advance to each of a plurality of keys for inputting information to be displayed on the display, and the characters to be input are one by one in a predetermined order depending on the number of times the key is pressed. In the character input correction method of the device for cyclically switching and displaying on the display unit ,
By pressing different correction keys and the plurality of keys, when correcting one arbitrary first character displayed on the display device, the plurality of pressed to enter the first letter A first step of disassembling into key inputs indicating the type of keys and the number of times of pressing,
A second step of determining whether or not the first character is a character input by pressing the same key multiple times as a result of the disassembling in the first step;
When it is determined that the first character is a character input by pressing the same key a plurality of times, the number of pressings is one less than the number of pressings of the same key pressed when inputting the first character. A second character to be input, and a third step of subdividing the third character input when the same key is pressed once, and a new character at the position of the third character The character input correction method characterized by enabling the input. When further correcting the third character, the third character that is input when the same key is pressed once and the number of times the same key is pressed when the first character is input A fourth step of subdividing the sequence of the second characters entered with a smaller number of presses;
The character input correction according to claim 1, wherein the first character is arranged in the order of the third character and the second character, and a new character can be input at the position of the second character. Method. A plurality of different characters are assigned in advance to each of a plurality of keys for inputting information to be displayed on the display, and the characters to be input are one by one in a predetermined order depending on the number of times the key is pressed. In the character input correction method of the device for cyclically switching and displaying on the display unit ,
By pressing different correction keys and the plurality of keys, when correcting one arbitrary first character displayed on the display device, the plurality of pressed to enter the first letter A first step of disassembling into key inputs indicating the type of keys and the number of times of pressing,
A first step of decomposing a key input indicating a type and the number of pressings of a key pressed to input the first character when correcting any one first character;
A second step of determining whether or not the first character is a character input by pressing the same key a plurality of times and then pressing another key once as a result of the disassembling in the first step;
When it is determined that the first character is a character that is input by pressing the same key a plurality of times and then another key is pressed once, the first character of the same key that is pressed when the first character is input is determined. The second character input with the number of presses one less than the number of presses and the third character input when the same key is pressed once and then the other key is pressed once are subdivided. And a third step, wherein a new character can be input at the position of the third character. A display for displaying letters, symbols and numbers;
A plurality of keys for inputting information to be displayed on the display;
A mode switch for selecting a desired input mode of hiragana character input mode, katakana character input mode, number input mode, English character input mode and symbol input mode;
When displaying the character pressed by the plurality of keys on the display in the currently selected mode, a plurality of different characters are assigned to each key of the plurality of keys in advance. Character input means for cyclically switching and displaying characters to be input one by one in a predetermined order according to the number of times,
Cursor display means that can move before and after the displayed character and displays a cursor that indicates the position to delete, insert, correct, and input the character;
A correction key that is pressed when correcting the character at the position of the cursor displayed on the display;
When correcting one first character at the position of the cursor by pressing the correction key, it is broken down into key inputs indicating the type and the number of times the key is pressed to input the first character, and Determining means for determining whether the first character is a character input by pressing the same key multiple times;
When it is determined by the determination means that the first character is a character input by pressing the same key multiple times, one is selected from the number of times the same key is pressed when the first character is input. A second character that is input with a small number of times of pressing and a third character that is input when the same key is pressed once are displayed again, and the third character is displayed at the position of the cursor. And a first re-dividing means for displaying the mobile terminal device.   After the third character is displayed by the first subdivision means, when the correction key is further pressed, the third character input when the same key is pressed once, and the third character And a second re-dividing means for re-dividing the second characters that are input with a number of times of pressing one less than the number of times of pressing of the same key pressed when inputting one character. The mobile terminal device according to claim 4, wherein the characters are arranged in the order of the third character and the second character, and a new character can be input at the position of the second character. A display for displaying letters, symbols and numbers;
A plurality of keys for inputting information to be displayed on the display;
A mode switch for selecting a desired input mode of hiragana character input mode, katakana character input mode, number input mode, English character input mode and symbol input mode;
When displaying the character pressed by the plurality of keys on the display in the currently selected mode, a plurality of different characters are assigned to each key of the plurality of keys in advance. Character input means for cyclically switching and displaying characters to be input one by one in a predetermined order according to the number of times,
Cursor display means that can move before and after the displayed character and displays a cursor that indicates the position to delete, insert, correct, and input the character;
A correction key that is pressed when correcting the character at the position of the cursor displayed on the display;
When correcting one first character at the position of the cursor by pressing the correction key, it is broken down into key inputs indicating the type and the number of times the key is pressed to input the first character, and Determining means for determining whether the first character is a character input by pressing the same key multiple times;
When the determination means determines that the first character is a character that is input by pressing another key after pressing the same key a plurality of times, the same character that is pressed when the first character is input A second character that is input with a number of times one less than the number of times the key is pressed and a third character that is input when the same key is pressed once and then another key is pressed are subdivided. And a re-dividing means for displaying the third character at the position of the cursor.

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