JP2011081545A - Mobile communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile communication terminal capable of improving operability in input of Japanese character. <P>SOLUTION: If an input detection unit 131 detects input of information about a first alphabet other than A that can be a vowel, a second alphabet that can be a consonant corresponding to "ka" column through "wa" column by being combined with the vowel, and a third alphabet being neither the first alphabet nor the second alphabet, an input character decision unit 136 selects a candidate for an input character among the second alphabet, the third alphabet, and the first alphabet other than A, and decides an alphabet displayed at the time point when the input detection unit 131 detects a key release after a key long depression as an input character. A display control unit 137 causes a display panel to display the alphabet decided as the input character or a hiragana corresponding to the Hepburn system as the Romanization of Japanese composed of the alphabet and another alphabet. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a mobile communication terminal that displays hiragana characters by inputting Roman characters using limited dial keys.

  Mobile communication terminals such as mobile phones and PHS (Personal Handyphone System) have a call function, an e-mail transmission / reception function, and a memo pad function as a memorandum. In particular, in the e-mail transmission function, Roman characters are input by pressing each dial key to which alphabets are assigned, and Japanese characters are input by displaying hiragana.

  In order to reduce the time and effort required to display the hiragana by performing romaji input on the mobile communication terminal, when a key press equivalent to the romanized notation of the “wa” line is detected from the “ka” line A mobile portable terminal that displays a hiragana associated with the pressing on a display unit has been proposed (for example, Patent Document 1).

JP 2008-276416 A

  However, the above-described conventional mobile mobile terminal supports only instructional Roman input. That is, in order to input Japanese characters, the alphabet “A, I, U, E or O” that can be a vowel and the alphabet that can be a consonant corresponding to the “wa” line by combining with the vowel Only “K, S, T, N, H, M, Y, R or W” are used, and no other alphabets are used. As a result, in a conventional mobile mobile terminal, it is necessary to perform mode switching for inputting a stuttering sound or a prompt sound, or to press a separate key in order to add a muddy point or a semi-turbid point. Pressing a separate key in this way hinders improvement in operability of Japanese character input. Therefore, in order to improve the operability of Japanese character input, it is preferable to be able to input a stuttering sound, a sounding sound, a dakuten or a semi-dakuten without pressing a separate key.

  An object of the present invention is to provide a mobile communication terminal capable of improving the operability of Japanese character input.

  In the mobile communication terminal according to the present invention, the display unit and the first alphabet that can be a vowel do not overlap each other, and when combined with the vowel, the second can be a consonant corresponding to the “ka” line to the “wa” line. The first alphabet, the second alphabet, the first alphabet, and the second so that the alphabet does not overlap each other, N does not overlap the first alphabet, and A does not overlap the second alphabet. A first operation and a second operation of a plurality of keys to which at least one alphabet of the third alphabet that is not one of the alphabets is assigned, and keys for inputting information relating to the alphabet assigned to the keys An operation determination unit for determining the first alphabet, the second alphabet and the third alphabet other than A When the operation determining unit determines that information relating to the abbreviation has been input by the first operation, the time from the first operation to the second operation being less than the first value In this case, the second alphabet is determined as the input character, and the time from when the first operation is performed until the second operation is performed is the first value and the second greater than the first value. The third alphabet as an input character, and the time from the first operation to the second operation being determined based on the second value and the second value. An input character determining unit that determines a first alphabet other than A as an input character if it is between a large third value and an alphabet determined by the input character determining unit or a combination of the alphabet and another alphabet Hebo consisting of A display control unit that controls to display the hiragana corresponding to formula Roman characters on the display unit.

  In the mobile communication terminal according to the present invention, the display unit and the first alphabet that can be a vowel do not overlap each other, and the first alphabet that can be a vowel is combined with a vowel to become a consonant corresponding to the “ka” line to the “wa” line. The first alphabet, the second alphabet, the first alphabet and the first alphabet so that the two alphabets do not overlap each other, N does not overlap the first alphabet, and A does not overlap the second alphabet. A plurality of keys to which at least one alphabet of the third alphabet that is not one of the two alphabets is assigned, a first operation of the key for inputting information relating to the alphabet assigned to the key, and a second key Information is input to the operation determination unit that determines the operation, A or the second alphabet, and the third alphabet. When the operation determining unit determines that the operation has been performed by the first operation, when the time from the first operation to the second operation being less than the first value is A Alternatively, when the second alphabet is determined as the input character and the time from the first operation to the second operation being the first value and the second value greater than the first value An input character determination unit that determines the third alphabet as an input character, and a hiragana character corresponding to the alphabet determined by the input character determination unit or a combination of the alphabet and other alphabets in Roman alphabet And a display control unit that controls the display to be displayed.

  According to the mobile communication terminal of the present invention, the input character determination unit is configured to input information relating to the first alphabet and the second or third alphabet after the second or third alphabet is determined as the input character. When the operation determining unit determines that the operation has been performed by the first operation, if the time from the first operation to the second operation being less than the first value, 1 alphabet is determined as an input character, and the time from when the first operation is performed until the second operation is performed is between the first value and a second value that is greater than the first value. In this case, it is preferable to determine the second or third alphabet as an input character.

  According to the mobile communication terminal of the present invention, the input character determination unit corresponds to the Hebrew Roman alphabet notation in combination with the second or third alphabet after the second or third alphabet is determined as the input character. When the operation determining unit determines that the input of information related to the second or third alphabet constituting the hiragana and the other alphabets is performed by the first operation, the first operation is performed and then the above-described operation is performed. When the time until the second operation is performed is less than the first value, the second or third alphabet constituting the hiragana corresponding to the Hebon-style Roman alphabet is determined as the input character, and the first If the time from when the operation is performed to when the second operation is performed is between the first value and a second value greater than the first value, the other alphabet It is preferable to confirm as a force character.

  According to the mobile communication terminal according to the present invention, the mobile communication terminal further includes another key to which a muddy point, a semi-voiced point, a long note, and a punctuation mark are assigned, and the operation determination unit includes a muddy point, a semi-voiced point, a long note and a key assigned to the other key. After determining the first operation of another key for inputting information related to punctuation marks, the input character confirmation unit displays a hiragana with no cloud marks or semi-voice marks, and then displays information about the cloud marks, semi-voice marks, long notes, and punctuation marks. When the operation determining unit determines that the input has been performed by the first operation and the second operation of another key, the time from when the first operation is performed until the second operation is performed If it is less than the first value, the long note is determined as the input character, and the time from the first operation to the second operation being greater than the first value and the first value If it is between the second value, the punctuation mark is the input character It is preferable to confirm it.

  According to the mobile communication terminal of the present invention, it is preferable that the first operation is a long press of a key and the second operation is an release after the key is pressed.

  ADVANTAGE OF THE INVENTION According to this invention, the operativity of Japanese character input in a mobile communication terminal can be improved.

It is a block diagram of a mobile phone. It is an enlarged view of a dial key. It is a block diagram which shows the hardware constitutions of a control apparatus. It is a functional block diagram which shows the principal part structure of a control apparatus. It is a table which shows the correlation with a dial key and an alphabet. It is a table | surface which shows the correlation with the alphabet and Hiragana in Hebon type Roman notation. It is a flowchart which shows an example of operation | movement of a control apparatus. It is a flowchart which shows the modification of operation | movement of a control apparatus. It is a flowchart which shows the modification of operation | movement of a control apparatus. It is a flowchart which shows the modification of operation | movement of a control apparatus. It is a flowchart which shows the modification of operation | movement of a control apparatus. It is a figure which shows the example of a display with the dial key pressed and the display panel in the mobile communication terminal by this invention, and the conventional mobile communication terminal.

Hereinafter, a first embodiment of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a configuration diagram of the mobile phone 100, FIG. 2 is an enlarged view of the dial key 110, and FIG. 3 is a block diagram showing a hardware configuration of the control device 130 of the mobile phone 100.
A mobile phone 100 is an example of a mobile communication terminal according to the present invention. As shown in FIG. 1, a dial key 110, a transmission key 111, a transmission key 112, a conversion key 113, a confirmation key 114, a display panel 120, a mobile phone A control device 130 (not shown) and the like formed inside 100 are configured.

  As shown in FIG. 2, the dial key 110 includes 12 keys in which numbers “0” to “9” and symbols “*” and “#” are arranged without overlapping. .

  The first alphabet “A, I, U, E or O”, which can be a vowel, does not overlap each other on each key in which numbers are arranged. The second alphabet “K, S, T, N, H, M, Y, R, or W” that can be a consonant corresponding to N does not overlap each other, N does not overlap the first alphabet, and A In order not to overlap the second alphabet, the first alphabet, the second alphabet, and the third alphabet “B, C, D, F, G, J, which is neither the first alphabet nor the second alphabet, At least one alphabet of “L, P, Q, V, X, or Z” is assigned.

  For example, in FIG. 2, “A, B, C, D” is assigned to a key assigned “1”, and “E, F, G” is assigned to a key assigned “2”. , H ”. Hereinafter, the alphabet shown in FIG. 2 is also assigned to the keys to which “3” to “9” and “0” are assigned.

  Furthermore, a letter to which the symbol “*” is assigned is assigned no “alphabet”, but “lowercase” is assigned to indicate that the key is used for switching modes when inputting a stuttering sound or a prompt sound. Keys to which the symbol “#” is assigned are not assigned an alphabet, and “o”, which corresponds to a cloud point, a semi-voice point, a long note, a punctuation point, and a punctuation point, respectively.

  Therefore, when a user using the mobile phone 100 makes a call or uses an e-mail, the user presses the dial key 110 as described above to input a phone number or enter a character or the like. Or enter. Then, when the outgoing key 111 or the transmission key 112 shown in FIG. 1 is pressed, the mobile phone 100 makes a call to the telephone number of the input telephone number, characters input to the destination of the e-mail, etc. Or send.

  The display panel 120 is configured by, for example, a liquid crystal display or an organic EL (Electro Luminescence) display. When the above-described dial key 110 is pressed by the user, the display panel 120 displays characters, numbers, symbols, and the like corresponding to the press.

  As shown in FIG. 2, the control device 130 includes a CPU 130a, a static random access memory (SRAM), a RAM 130b such as DRAM (Dynamic RAM) and SDRAM (Synchronous DRAM), a ROM (Read Only Memory) 130c such as a flash memory, a dial, and the like. An I / F (interface) 130d for performing input / output with an external device such as the key 110 and the display panel 120 is realized by a computer connected by a bus 130e.

  Therefore, each function in the mobile phone 100 is realized by the CPU 130a reading a required program stored in the ROM 130c and performing calculations according to the program.

Here, the control device 130 will be described in more detail with reference to FIGS.
FIG. 4 is a functional block diagram showing the main configuration of the control device 130, FIG. 5 is a table showing the association between the dial keys 110 and alphabets, and FIG. 6 is a combination of alphabets in Hebon-style Roman alphabet notation. It is a table | surface which shows correlation with a hiragana.
As shown in FIG. 4, the control device 130 includes an operation determination unit 131, a kana conversion unit 132, a conversion table storage unit 133, a kanji conversion unit 134, a Japanese dictionary storage unit 135, an input character determination unit 136, and a display control unit 137. Etc.

  The operation determination unit 131 determines whether the dial key 110 is pressed as the first operation and released as the second operation, and transmits the determination result to the kana conversion unit 132, the kanji conversion unit 134, and the input character determination unit 136. To do. For example, when the user determines to press and release “2”, which is one of the dial keys 110, information indicating that “2” is pressed and released is used as the kana conversion unit 132 and the input character determination unit 136. Send to. In addition, when pressing and release of the conversion key 113 and the confirmation key 114 are detected, information to that effect is transmitted to the kanji conversion unit 134.

  The kana conversion unit 132 extracts the hiragana corresponding to the input character from the conversion table storage unit 133 according to the input character determined by the input character determination unit 136 based on the determination result from the operation determination unit 131, and displays the display control unit 136. As shown in FIGS. 5 and 6, the conversion table storage unit 133 stores a table indicating the association between the dial key 110 and the alphabet, and a table indicating the association between the alphabet combination in Hebrew Roman alphabet and the hiragana. Of the alphabets shown in FIG. 5, alphabets surrounded by rectangles indicate hiragana characters that can be vowels, and alphabets surrounded by circles are combined with vowels from the “ka” line. "Indicates a consonant corresponding to the line. An alphabet other than the alphabet surrounded by a rectangle or a circle can be a roaring sound or a prompt sound when combined with an alphabet surrounded by a rectangle and / or an alphabet surrounded by a circle.

  Therefore, for example, when the kana conversion unit 132 receives information indicating that the dial key 110 is pressed and released from the operation determination unit 131, the kana conversion unit 132 first stores the information in a buffer or the like and already holds the information. Determine if there is information. If there is already held information, the kana conversion unit 132 transmits information related to the hiragana associated with the information from the table shown in FIG. 6 to the input character determination unit 136 and the display control unit 137. When the hiragana is established, the information held in the buffer may be appropriately deleted.

  On the other hand, when such vowels and consonants are not held, the kana conversion unit 132 holds information indicating that the dial key 110 is pressed and released from the operation determination unit 131 and also the input character determination unit 136. And the information is transmitted to the display control unit 137. And it waits until the information of the character equivalent to a vowel is received.

  The kanji conversion unit 134 displays information on one or more kanji characters corresponding to the hiragana characters displayed on the display panel 120 in accordance with the input characters determined by the input character determination unit 136 based on the determination result from the operation determination unit 131. Extracted from the Japanese dictionary storage unit 135 and transmitted to the input character determination unit 136 and the display control unit 137. The Japanese dictionary storage unit 135 stores a plurality of kanji characters corresponding to hiragana in advance.

  The input character determination unit 136 determines alphabets, long notes, punctuation marks, dakuten or semi-dakuten as input characters according to information transmitted from the operation determination unit 131, the kana conversion unit 132, and the kanji conversion unit 134. The display control unit 137 displays the corresponding alphabet, hiragana or kanji on the display panel 120 in accordance with the input character determined by the input character determination unit 136. As a result, the user can see the characters input by pressing the dial key 110 from the display panel 120.

Next, the operation of the control device 130 will be described with reference to FIGS.
FIG. 7 is a flowchart illustrating an example of the operation of the control device 130.
The flowchart shown in FIG. 7 is executed in a state where the information indicating that the dial key 110 is pressed and released from the operation determination unit 131 is not held in the buffer or the like. The flowchart shown in FIG. It is also possible to execute in a state where the data is held in the process.

  First, the operation determination unit 131 determines whether or not an input of information related to a third alphabet that can be a stuttering sound or a prompt sound by combining with the first alphabet other than A, the second alphabet, or another alphabet is detected. (Step S1).

  When the alphabet is assigned to the dial key 110 as shown in FIG. 2, the operation determination unit 131 determines whether or not any of the keys “2”, “3”, “6”, and “8” has been pressed in step S1. Judging.

  If it is determined that input of information related to the first alphabet, the second alphabet, and the third alphabet other than A is not detected, the processing flow ends. On the other hand, when it is determined that the input of information related to the first alphabet, the second alphabet, and the third alphabet other than A is detected, the operation determination unit 131 determines that the input of the information has been detected. The input character determination unit 136 selects the second alphabet as an input character candidate according to the report from the operation determination unit 131 (step S2). For example, when the “2” key is pressed, “H” is selected as an input character candidate, and when the “3” key is pressed, “K” is selected as an input character candidate. To do.

  Next, the operation determination unit 131 determines whether or not the pressed key is released (step S3). When it is determined that the pressed key is released, the operation determining unit 131 reports to the input character determining unit 136 that the pressed key is released. In response to the report from the operation determination unit 131, the input character determination unit 136 determines the alphabet selected when the pressed key is released as the input character, and the display control unit 137 determines as the input character. The display panel 120 displays the hiragana corresponding to the written alphabet or the combination of the alphabet and another alphabet on the display panel 120 (step S4), and the processing flow ends.

  On the other hand, when it is determined that the pressed key is not released, the input character determination unit 136 determines whether or not a predetermined time has elapsed since the key was pressed (step S5). If it is determined that the predetermined time has not elapsed, the process returns to step S3. On the other hand, if it is determined that a certain time has elapsed, the input character determination unit 136 switches the selection of input character candidates (step S6) and returns to step S3. That is, in steps S3 to S6, if the time from the key press to release is less than the first value, the input character determination unit 136 determines the second alphabet as the input character and starts the key press. When the time until release is between the first value and a second value greater than the first value, the third alphabet is determined as the input character, and the time from key press to release is the second If the value is between the value and the third value greater than the second value, the first alphabet other than A is determined as the input character.

  For example, when the “2” key is pressed, selection of input character candidates can be repeated in the order of “H”, “F”, “G”, “E”, and the “3” key When pressed, the selection of input character candidates can be repeated in the order of “K”, “J”, and “I”.

  In the flowchart of FIG. 7, when the input character determination unit 136 determines that the keys “2”, “3”, “6”, and “8” to which alphabets are assigned have been pressed, the steps S2, S3, and S4 are performed. If the input character determination unit 136 determines that the key has been pressed for a long time, the process proceeds to steps S3, S5, and S6, and then returns to step S3. As a method of distinguishing long press and short press of the key, for example, a low signal is output from the key to the operation determination unit 131 while the key is pressed, and a high signal is output from the key while the key is not pressed. A hardware structure that outputs to the operation determination unit 131 is adopted, the period during which the low signal is output is measured by a timer or the like, and the operation determination unit 131 indicates that the period is “short press” until a certain period of time elapses. From the operation determination unit 131 to the input character determination unit 136 when the predetermined period has elapsed.

  According to the flowchart shown in FIG. 7, the input character candidate is selected among the second alphabet, the third alphabet, and the first alphabet other than A while the key is pressed, and the key pressed The alphabet selected at the time of opening is confirmed as the input character, and the hiragana corresponding to the alphabet determined as the input character or the Hebon Romaji notation composed of a combination of the alphabet and another alphabet is displayed on the display panel 120. I am letting.

  In this way, the input character candidate is uniquely selected among the second alphabet, the third alphabet, and the first alphabet other than A, thereby consisting of the alphabet or a combination of the alphabet and another alphabet. Hiragana corresponding to Hebon-style Roman alphabet notation can be easily input.

  In addition, by inputting hiragana characters corresponding to such Hebon-style Roman alphabet notation, it is not necessary to input a stuttering sound or a sounding sound, or to press a separate key to add a cloudy or semi-cloudy point. The operability of Japanese character input can be improved.

FIG. 8 is a flowchart showing a modified example of the operation of the control device 130.
The flowchart shown in FIG. 8 is executed in a state where the information indicating that the dial key 110 is pressed and released from the operation determination unit 131 is not held in the buffer or the like. However, the flowchart shown in FIG. It is also possible to execute in a state where the data is held in the process.

  First, the operation determination unit 131 determines whether or not an input of information regarding A or the second alphabet and the third alphabet has been detected (step S11). When the alphabet is assigned to the dial key 110 as shown in FIG. 2, the operation determination unit 131 determines whether or not any of the keys “1”, “4”, “9”, and “0” has been pressed in step S11. Judging.

  If it is determined that the input of information related to A or the second alphabet and the third alphabet is not detected, the processing flow ends. On the other hand, when determining that the input of information related to A or the second alphabet and the third alphabet is detected, the operation determining unit 131 reports to the input character determining unit 136 that the input of the information has been detected, In response to the report from the operation determination unit 131, the input character determination unit 136 selects A or the second alphabet as an input character candidate (step S12). For example, when the “1” key is pressed, “A” is selected as an input character candidate, and when the “4” key is pressed, “M” is selected as an input character candidate. To do.

  Next, the operation determination unit 131 determines whether or not the pressed key is released (step S13). When it is determined that the pressed key is released, the operation determining unit 131 reports to the input character determining unit 136 that the pressed key is released. In response to the report from the operation determination unit 131, the input character determination unit 136 determines the alphabet selected when the pressed key is released as the input character, and the display control unit 137 determines as the input character. The display panel 120 is displayed with the hiragana corresponding to the alphabet or the combination of the alphabet and the other alphabets on the display panel 120 (step S14), and the processing flow is ended.

  On the other hand, when it is determined that the pressed key is not released, the input character determination unit 136 determines whether or not a predetermined time has elapsed since the key was pressed (step S15). If it is determined that the predetermined time has not elapsed, the process returns to step S13. On the other hand, if it is determined that a certain time has passed, the input character determination unit 136 switches the selection of input character candidates (step S16), and the process returns to step S13. That is, in steps S13 to S16, the input character determination unit 136 determines A or the second alphabet as the input character when the time from pressing the key to release is less than the first value, If the time from pressing to release is between the first value and a second value greater than the first value, the third alphabet is determined as the input character.

  For example, when the “1” key is pressed, the selection of input character candidates can be repeated in the order of “A”, “B”, “C”, and “D”. When pressed, the selection of input character candidates can be repeated in the order of “L” and “M”.

  According to the flowchart shown in FIG. 8, when a key is pressed, a candidate for an input character is selected between A or the second alphabet and the third alphabet, and when the pressed key is released. The selected alphabet is confirmed as an input character, and a hiragana corresponding to the alphabet determined as the input character or a combination of the alphabet and another alphabet is displayed on the display panel 120. In this way, by selecting the input character candidate uniquely between A or the second alphabet and the third alphabet, it is possible to support Hebon-style Roman alphabet notation consisting of the alphabet or a combination of the alphabet and another alphabet. Hiragana can be easily entered.

  In addition, by inputting hiragana characters corresponding to such Hebon-style Roman alphabet notation, it is not necessary to input a stuttering sound or a sounding sound, or to press a separate key to add a cloudy or semi-cloudy point. The operability of Japanese character input can be improved.

FIG. 9 is a flowchart illustrating a modified example of the operation of the control device 130.
First, the input character determination unit 136 determines whether the second or third alphabet has already been determined as an input character by referring to information held in a buffer or the like (step S21). If the second or third alphabet has not yet been determined as an input character, the processing flow ends. On the other hand, when the second or third alphabet has already been determined as the input character, the operation determining unit 131 determines whether or not the input of information related to the first alphabet and the second or third alphabet has been detected. (Step S22). When the alphabet is assigned to the dial key 110 as shown in FIG. 2, the operation determination unit 131 determines whether or not any of the keys “2”, “3”, “6”, and “8” has been pressed in step S22. Judging.

  If it is determined that the input of information related to the first alphabet and the second or third alphabet is not detected, the processing flow ends. On the other hand, when determining that the input of information related to the first alphabet and the second or third alphabet has been detected, the operation determination unit 131 reports to the input character determination unit 136 that the input of the information has been detected. In response to the report from the operation determination unit 131, the input character determination unit 136 selects the first alphabet as an input character candidate (step S23). In this case, the input character determination unit 136 determines that there is a high possibility that the hiragana corresponding to the Hebon-style Roman alphabet notation composed of the combination of the second or third alphabet already determined and the first alphabet is configured. . For example, when the “8” key is pressed while “K” is already confirmed as an input character, the display control unit 136 configures “ku” by combining “K” and “U”. It is determined that the possibility is high, and “U” is selected as a candidate for the input character in preference to “T” and “V”.

  Next, the operation determination unit 131 determines whether or not the pressed key is released (step S24). When it is determined that the pressed key is released, the operation determining unit 131 reports to the input character determining unit 136 that the pressed key is released. In response to the report from the operation determination unit 131, the input character determination unit 136 determines the alphabet selected when the pressed key is released as the input character, and the display control unit 137 determines as the input character. The display panel 120 displays the hiragana corresponding to the Hebrew Romaji notation composed of the alphabet or a combination of the alphabet and another alphabet (step S25), and the processing flow is ended.

  On the other hand, when it is determined that the pressed key is not released, the input character determination unit 136 determines whether or not a certain time has elapsed since the key was pressed (step S26). If it is determined that the predetermined time has not elapsed, the process returns to step S24. On the other hand, if it is determined that a certain time has elapsed, the input character determination unit 136 switches the selection of input character candidates (step S27), and returns to step S24. That is, in steps S24 to S27, the input character determination unit 136 determines the first alphabet as the input character when the time from the key press to release is less than the first value, and from the key press. If the time until release is between the first value and a second value greater than the first value, the second or third alphabet is determined as the input character. For example, when the “8” key is pressed, the selection of input characters can be repeated in the order of “U”, “T”, or “V”.

  According to the flowchart shown in FIG. 9, when the operation determination unit 131 detects input of information regarding the first alphabet and the second or third alphabet after the second or third alphabet is confirmed as an input character. While the key is pressed, select the input character candidate between the first alphabet and the second or third alphabet, and input the alphabet that was selected when the pressed key was released It is confirmed as a character. In this way, by uniquely selecting input character candidates between the first alphabet and the second or third alphabet, it becomes easy to input hiragana corresponding to Hebon-style Roman alphabet notation, and mobile communication The operability of Japanese character input on the terminal can be improved.

FIG. 10 is a flowchart showing a modified example of the operation of the control device 130.
First, the input character determination unit 136 determines whether or not the second or third alphabet has already been determined as an input character by referring to information held in a buffer or the like (step S31). If the second or third alphabet has not yet been determined as an input character, the processing flow ends. On the other hand, when the second or third alphabet has already been determined as the input character, the operation determining unit 131 combines the second or third alphabet with the alphabet constituting the hiragana corresponding to the Hebon-style Roman alphabet notation. And it is judged whether the input of the information regarding the other alphabet was detected (step S32).

  If it is determined that the input of information relating to alphabets constituting the hiragana corresponding to Hebon-style Roman alphabet and other alphabets is not detected, the processing flow is terminated. On the other hand, when it is determined that the input of information related to the alphabets constituting the hiragana corresponding to the Hebrew Romaji and other alphabets is detected, the operation determination unit 131 determines that the input of the information is detected. In response to the report from the operation determination unit 131, the input character determination unit 136 selects an alphabet constituting the hiragana corresponding to the Hebrew Roman alphabet as an input character candidate (step S33). In this case, the input character determination unit 136 determines that there is a high possibility that the hiragana corresponding to the alphabet and the Hebon-style Roman alphabet notation is configured. For example, when a key assigned with “Y”, “E”, and “Z” is pressed while “C” has already been confirmed as an input character, the input character portion 136 displays “C” and “Y”. Is used to select “Y” over “E” and “Z” as candidates for input characters.

  Next, the operation determination unit 131 determines whether or not the pressed key is released (step S34). When it is determined that the pressed key is released, the operation determining unit 131 reports to the input character determining unit 136 that the pressed key is released. In response to the report from the operation determination unit 131, the input character determination unit 136 determines the alphabet selected when the pressed key is released as the input character, and the display control unit 137 determines as the input character. The display panel 120 displays the hiragana corresponding to the written alphabet or the combination of the alphabet and another alphabet on the display panel 120 (step S35), and the processing flow is ended.

  On the other hand, when it is determined that the pressed key is not released, the input character determination unit 136 determines whether or not a certain time has elapsed since the key was pressed (step S36). If it is determined that the predetermined time has not elapsed, the process returns to step S34. On the other hand, if it is determined that a certain time has elapsed, the input character determination unit 136 switches the selection of input character candidates (step S37), and returns to step S34. That is, in steps S34 to S37, if the time from pressing the key to releasing it is less than the first value, the input character determination unit 136 converts the alphabet constituting the hiragana corresponding to the Hebon Romaji notation into the input character. If the time from the pressing of the key to the release is between the first value and the second value greater than the first value, the other alphabets are determined as input characters.

  According to the flowchart shown in FIG. 10, after the second or third alphabet is confirmed as an input character, the alphabet constituting the hiragana corresponding to the Hebrew Roman alphabet in combination with the second or third alphabet and the others When the operation determining unit 131 detects input of information related to the alphabet, a candidate for input characters between the alphabets constituting the hiragana corresponding to the Hebon-style Roman alphabet and other alphabets while the key is pressed. The selection is made, and the alphabet selected when the pressed key is released is confirmed as the input character. In this way, by selecting a candidate input character among the alphabets constituting the hiragana alphabet corresponding to the Hebon-style Roman alphabet and other alphabets, it is easy to input the hiragana corresponding to the Hebon-type alphabet. Thus, the operability of Japanese character input in the mobile communication terminal can be improved.

  In addition, by pressing and holding a key in the flowcharts shown in FIGS. 7 to 10, it is possible to perform both input of hiragana and direct input of English characters corresponding to Hebon-style Roman alphabet notation without switching modes. In order to perform both Hiragana input and English character direct input corresponding to Hebon Romaji notation without switching the mode, for example, after determining “A” as an input character, the operation determination unit 131 of the dial key 110 When the long press of “8” is detected, the display control unit 136 controls the display panel 120 to display “U”, “AT”, “AV”, and “AU” in this order.

FIG. 11 is a flowchart illustrating a modified example of the operation of the control device 130.
First, the input character determination unit 136 determines whether or not a hiragana character that does not have a dakuten or semi-dakuten is displayed on the display panel 120 (step S41). If a hiragana character without a dakuten or semi-dakuten is not displayed on the display panel 120, the processing flow is terminated. On the other hand, when a hiragana character without a dakuten or semi-dakuten is displayed on the display panel 120, the operation determining unit 131 determines whether or not input of information regarding a dakuten, semi-dakuten, long note, and punctuation mark has been detected ( Step S42). In the case of the dial key 110 of FIG. 2, the operation determining unit 131 determines whether or not the “*” key has been pressed in step S42.

  If it is determined not to detect the input of information related to a cloud point, a semi-voice point, a long note, and a punctuation mark, the process flow ends. On the other hand, when it is determined that the input of the information about the muddy point, the semi-voiced point, the long note, and the punctuation mark is detected, the operation determining unit 131 reports that the input of the information is detected to the input character determining unit 136 and confirms the input character. In response to the report from the operation determination unit 131, the unit 136 selects a long note as an input character candidate (step S43). In this case, the input character determination unit 136 determines that a hiragana or semi-turbid point is not added to the hiragana displayed on the display panel 120, and excludes the muddy or semi-turbid point from the input character candidates.

  Next, the operation determination unit 131 determines whether or not the pressed key is released (step S44). When it is determined that the pressed key is released, the operation determining unit 131 reports to the input character determining unit 136 that the pressed key is released. In response to the report from the operation determination unit 131, the input character determination unit 136 determines the long note or punctuation mark selected when the pressed key is released as the input character, and the display control unit 137 displays the input character. Is displayed on the display panel 120 (step S45), and the processing flow is ended.

  On the other hand, when it is determined that the pressed key is not released, the input character determination unit 136 determines whether or not a certain time has elapsed since the key was pressed (step S46). If it is determined that the predetermined time has not elapsed, the process returns to step S44. On the other hand, if it is determined that a certain time has elapsed, the input character determination unit 136 switches the selection of input character candidates (step S47) and returns to step S44. That is, in steps S44 to S47, the input character determination unit 136 determines a long note as an input character when the time from the key press to release is less than the first value, and from the key press to the release. If the time is between the first value and a second value greater than the first value, the punctuation mark is determined as the input character.

  According to the flowchart shown in FIG. 11, when the hiragana, semi-turbid point, long note, and punctuation mark input is detected by the operation determination unit 131 after displaying the hiragana without the cloud or semi-turbid point, the key is pressed. In the meantime, the input character candidate is selected between the long note and the punctuation mark, and the long note or punctuation mark selected when the pressed key is released is determined as the input character. By uniquely selecting input character candidates between long notes and punctuation marks in this way, it becomes easy to input hiragana characters corresponding to Hebon-style Roman alphabet notation, and operation of Japanese character input on a mobile communication terminal Can be improved.

Next, processing in the present embodiment will be described with reference to FIG.
FIG. 12 is a conceptual diagram showing a display example on the pressed dial key 110 and the display panel 120.
Here, as an example, a case where the user displays the characters “Buddhist monk” will be described.

  In the conventional mobile communication terminal, in order to display “Buppo-Uso”, which is written in Hiragana as “Buddhist monk”, first, “F” must be displayed, and further, “F” is a Roman letter of the commanding ceremony. In the notation, “H” must be displayed in consideration of “HU”. Therefore, as shown in FIG. 12A, “2” of the dial key 110 is pressed, and “H” assigned to “2” of the dial key 110 is displayed on the display panel 120. Note that “E” assigned to “2” of the dial key 110 does not function in a state where the mobile phone 100 does not hold information regarding “A”, so that “H” is uniquely displayed. To do.

  Then, “8” of the dial key 110 is pressed to display “U”. As a result, “H” and “U” are combined and “F” is displayed on the display panel 120. Note that in the state where “H” is displayed, “T” assigned to “8” of the dial key 110 does not function as a Roman character after the information related to “H”, so it does not function and “U” is displayed. It is uniquely determined to be displayed.

  After that, in order to display the hiragana “Bupu-Uso”, in addition to pressing any one of “1” to “9” and “0” of the dial key 110, It is necessary to press “#” of the dial key 110 to display “#” by pressing “#”. When the hiragana “Bupusou” is displayed on the display panel 120, the conversion key 113 and the confirmation key 114 are pressed in order to display the Chinese character “Buddhist monk” on the display panel 120.

  Therefore, it is necessary to switch the mode for inputting a stuttering sound or a prompt sound, or to press “#” or “*” in order to add a dakuten or semi-dakuten. As described above, pressing “#” or “*” in addition to “1” to “9” and “0” hinders improvement in operability of Japanese character input.

  On the other hand, in the mobile communication terminal according to the present invention, in order to display “Bupo-Uso” in which the “Buddhist monk” is written in Hiragana, as shown in FIG. When “B” is displayed on the display panel 120 to confirm “B” as an input character, “1” is released and then “8” is pressed. Then, “U” is the first input character according to the flowchart of FIG. Selected as a candidate. When “U” is confirmed as an input character, “bu” is displayed on the display panel 120.

  Next, when “6” is long pressed, the operation of releasing “6” is repeated twice when it is displayed on the display panel 120 to confirm “P” as an input character, and then “6” is pressed. In accordance with the flowchart of FIG. 9, “O” is selected as the first candidate for the input character. When “O” is confirmed as an input character, “Bump” is displayed on the display panel 120.

  After that, in order to display the hiragana “Bupu-Uso”, it is only necessary to press any one of “1” to “9” and “0” of the dial key 110, and dial to add a cloud point to “F”. There is no need to press “*” on the key 110 and press “*” on the dial key 110 to display “”. When the hiragana “Bupusou” is displayed on the display panel 120, the conversion key 113 and the confirmation key 114 are pressed in order to display the Chinese character “Buddhist monk” on the display panel 120.

  Therefore, there is no need to switch modes to input stuttering or prompting sounds, or to press “#” or “*” to add a cloudy or semi-cloudy point. Can be improved.

  The present invention is not limited to the above-described embodiment, and many changes and modifications can be made. For example, although the case where the alphabets for the dial key 110 are assigned in ascending order from “1” to “9” and “0” has been described, the present invention is not limited to such assignment, and the first alphabets do not overlap each other. As long as the two alphabets do not overlap each other, N does not overlap the first alphabet, and A does not overlap the second alphabet, various assignment changes are possible.

  Further, as a method for distinguishing between long press and short press of a key, a hardware structure that outputs a short pulse (for example, a rectangular wave with a time width of 100 ms) from the key to the operation determination unit 131 while the key is pressed. The number of short pulses is measured by a counter or the like, and when the number of pulses does not exceed a certain number, the fact that it is “short press” is reported from the operation determination unit 131 to the display control unit 136, When the number is a certain number or more, there is a method of reporting to the display control unit 136 from the operation determination unit 131 that “long press” is made.

  Further, the case where the first operation is a key press and the second operation is a key release, that is, a case where a long press and a short press of a key are used to select an input character candidate has been described. For example, the first operation and the second operation may be a key press and release. That is, a candidate for an input character can be selected by continuously pressing the same key within a predetermined time.

DESCRIPTION OF SYMBOLS 100 Mobile phone 110 Dial key 111 Transmission key 112 Transmission key 113 Conversion key 114 Confirmation key 120 Display panel 130 Control apparatus 130a CPU
130b RAM
130c ROM
130d I / F
130e Bus 131 Operation determination unit 132 Kana conversion unit 133 Conversion table storage unit 134 Kanji conversion unit 135 Japanese dictionary storage unit 136 Input character determination unit 137 Display control unit

Claims (6)

A display unit;
The first alphabets that can be vowels do not overlap each other, and the second alphabets that can become consonants corresponding to the “ka” to “wa” lines by combining with the vowels do not overlap each other, and N is the first The first alphabet, the second alphabet, and the third that is neither the first alphabet nor the second alphabet so that it does not overlap the alphabet and A does not overlap the second alphabet. A plurality of keys assigned at least one of the alphabets of
An operation determination unit for determining a first operation and a second operation of the key for inputting information on an alphabet assigned to the key;
When the operation determination unit determines that the input of information related to the first alphabet, the second alphabet, and the third alphabet other than A is performed by the first operation of the key, If the time from when the first operation is performed to when the second operation is performed is less than the first value, the second alphabet is determined as an input character, and the first operation is performed If the time from when the second operation is performed is between the first value and a second value greater than the first value, the third alphabet is determined as an input character. And when the time from when the first operation is performed to when the second operation is performed is between the second value and a third value greater than the second value, other than A Enter the first alphabet of And the input character determination unit to determine as a character,
A display control unit for controlling the display unit to display a hiragana corresponding to the alphabet determined by the input character determination unit or a Hebon-style Roman alphabet consisting of a combination of the alphabet and another alphabet;
A mobile communication terminal. A display unit;
The first alphabets that can be vowels do not overlap each other, and the second alphabets that can become consonants corresponding to the “ka” to “wa” lines by combining with the vowels do not overlap each other, and N is the first The first alphabet, the second alphabet, and the third that is neither the first alphabet nor the second alphabet so that it does not overlap the alphabet and A does not overlap the second alphabet. A plurality of keys assigned at least one of the alphabets of
An operation determination unit for determining a first operation and a second operation of the key for inputting information on an alphabet assigned to the key;
When the operation determination unit determines that information has been input to the A or the second alphabet and the third alphabet by the first operation of the key, the first operation is performed. When the time until the second operation is performed is less than the first value, A or the second alphabet is determined as an input character, and the first operation is performed. When the time until the second operation is performed is between the first value and a second value larger than the first value, the input character confirmation for confirming the third alphabet as an input character And
A display control unit for controlling the display unit to display a hiragana corresponding to the alphabet determined by the input character determination unit or a Hebon-style Roman alphabet consisting of a combination of the alphabet and another alphabet;
A mobile communication terminal.   The input character determination unit is configured to input information related to the first alphabet and the second or third alphabet after the second or third alphabet is determined as the input character. When it is determined by the operation determination unit that the operation has been performed, when the time from when the first operation is performed to when the second operation is performed is less than the first value, The first alphabet is determined as an input character, and a time from when the first operation is performed to when the second operation is performed is a second time greater than the first value and the first value. 3. The mobile communication terminal according to claim 1, wherein when the value is between values, the second or third alphabet is determined as an input character.   The input character determining unit is configured to combine the second or third alphabet with the second or third alphabet after the second or third alphabet is determined as the input character to form a second or second hiragana character that corresponds to the Hebrew Roman alphabet notation. When the operation determination unit determines that the input of information related to the alphabet of 3 and other alphabets is performed by the first operation of the key, the second operation is performed after the first operation is performed. When the time until the operation is performed is less than the first value, the second or third alphabet constituting the hiragana corresponding to the Hebon-style Roman alphabet notation is determined as the input character, and the first If the time from when the operation is performed to when the second operation is performed is between the first value and the second value, Mobile communication terminal according to any one of claims 1 to establish a force characters 3. It also has other keys assigned a cloud, semi-cloud, long note and punctuation mark,
The operation determining unit determines a first operation and a second operation of the other key for inputting information related to a cloud point, a semi-voice point, a long note, and a punctuation point assigned to the other key;
The input character determination unit displays a hiragana without a dakuten or semi-dakuten, and then inputs information related to a dakuten, semi-dakuten, long note, and punctuation mark by the first operation of the other key. If determined by the operation determination unit, if the time from the first operation to the second operation being less than the first value is determined as a long note as an input character. When the time from when the first operation is performed to when the second operation is performed is between the first value and a second value greater than the first value, a punctuation mark is input The mobile communication terminal according to any one of claims 1 to 4, wherein the mobile communication terminal is determined as a character.   The mobile communication terminal according to any one of claims 1 to 5, wherein the first operation is pressing of the key, and the second operation is opening after the key is pressed.

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