JP2005236526A - Mobile communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile communication terminal capable of enhancing the convenience of a user. <P>SOLUTION: In the mobile communication terminal 10, a user inputs a command by operating a plurality of operation buttons. A processing means in the mobile communication terminal 10 performs processing corresponding to a command input by these operations, and assigns functions to the plurality of operation buttons appropriately depending on the processing stage. The processing means displays the functions of the plurality of operation buttons thus assigned at a display section 13. In other words, the processing means varies the function of the plurality of buttons depending on the processing state which varies depending on the occurrence of an event including a button operation in the mobile communication terminal 10. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a mobile communication terminal device, and more particularly to a mobile communication terminal device having a call function and a mail communication function.

  Conventionally, mobile communication terminal devices represented by mobile phones have been widely used. Such mobile communication terminal devices have been able to have various functions including a telephone call function and a mail communication function.

  In order to make full use of such various functions, the mobile communication terminal device is equipped with a large number of operation buttons. For example, mobile phones are equipped with about 20 operation buttons such as numeric keys and function keys. Each of these operation buttons is basically a single function button that performs one predetermined function, such as a numeric input button, a cursor movement button, a transmission command button, and the like.

  Various functions of the mobile communication terminal device can be used by combining single button operation.

  As described above, it is necessary for a user of a conventional mobile communication terminal device to use the mobile communication terminal device in combination with the operation of a single function button in the same manner as a general information device such as a personal computer. Met. For this reason, a person familiar with general information equipment such as a personal computer can easily learn operations for using the mobile communication terminal device. In addition, if the youth is highly adaptable, even if the operation is a little complicated, there is no great difficulty in learning the operation for using the mobile communication terminal device.

  However, it has been generally difficult for an elderly person who is unfamiliar or thin with information equipment in general to learn the operation for using the mobile communication terminal device as described above. For this reason, elderly people who are unfamiliar or thin with information equipment generally tend to shy away from mobile communication terminal devices, and enjoy various benefits from using mobile communication terminal devices that should be very convenient for such users. The result was that it was not possible.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a mobile communication terminal device capable of improving user convenience.

  The mobile communication terminal device according to the present invention performs processing corresponding to a command input by an operation by a user of the plurality of operation buttons in a mobile communication terminal device in which operation input is performed only by operation of the plurality of operation buttons. A mobile communication terminal device comprising processing means for assigning functions of the plurality of operation buttons according to processing steps and displaying the assigned functions of the plurality of operation buttons on a display unit.

  In this mobile communication terminal device, a user operates a plurality of operation buttons to input commands to the processing means. The processing means performs processing corresponding to the commands input by these operations, and appropriately assigns a function to each of the plurality of operation buttons according to the processing stage. Then, the processing means displays the functions of the assigned operation buttons on the display unit.

  That is, in this mobile communication terminal device, the processing means changes the functions of the buttons according to the processing state that changes in response to the occurrence of an event including button operation. For this reason, the plurality of buttons are not single function buttons whose functions are fixed, but buttons whose functions change from moment to moment. For this reason, the number of operation buttons for making full use of the functions of the mobile communication terminal device can be reduced as compared with the conventional case.

  Further, in this mobile communication terminal device, the processing means displays on the display section what has happened to the functions of the plurality of buttons after the function change and notifies the user. For this reason, the user can make full use of the functions of the mobile communication terminal device by performing button operations according to the functions of the plurality of buttons displayed on the display unit.

  Therefore, according to the mobile communication terminal device of the present invention, the convenience for the user can be improved.

  In the mobile communication terminal device of the present invention, when the processing means determines that the number of necessary digits has been input from the pattern of the destination number when the destination number is input by operating the plurality of operation buttons. Can be configured such that one of the plurality of operation buttons is assigned to a transmission command button. In this case, when a destination number is input by operating a plurality of operation buttons, the processing means determines whether or not the necessary number of digits have been input from the pattern of the destination number. When it is determined that the necessary number of digits have been input according to the pattern of the destination number, one of the plurality of operation buttons is assigned to the transmission command button. Therefore, the user can easily make a call.

  Further, in the mobile communication terminal of the present invention, when the destination number is input by operating the plurality of operation buttons, the processing means determines that the required number of digits has been input from the destination number pattern. Thereafter, the transmission operation can be started when no command is input within a predetermined time. In this case, when a destination number is input by operating a plurality of operation buttons, the processing means determines whether or not the necessary number of digits have been input from the pattern of the destination number. Then, after determining that only the necessary number of digits have been input according to the pattern of the destination number, if no command is input within a predetermined time, the transmission operation is started. Therefore, the user can easily make a call.

  Moreover, in the mobile communication terminal device of the present invention, the number of the plurality of operation buttons can be two. In this case, since there are few operation buttons and the display screen can be enlarged, it is easy to see the function display of the operation buttons displayed on the display unit. Can be facilitated.

  As described above, according to the mobile communication terminal device of the present invention, it is possible to improve the convenience for the user.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 schematically shows the configuration of a mobile phone 10 that is a mobile communication terminal apparatus according to an embodiment of the present invention. As shown in FIG. 1, the mobile phone 10 includes (a) a mobile phone body 11 having a control unit 21 and the like (see FIG. 2) described later, and (b) various commands such as switching of a telephone number and an operation mode. The operation unit 12 having two operation buttons 12A and 12B for inputting to the control unit 21, and (c) the function, operation status, received message, etc. of the operation buttons 12A and 12B in response to a command from the control unit 21 And a display unit 13 having a liquid crystal display device for display. The mobile phone 10 includes (d) a call speaker 14 that reproduces an audio signal sent from a communication partner during a call, (e) a microphone 15 for inputting sound during the call, and (f) a control unit. A guidance speaker 16 for generating a ringtone or a guidance sound in response to a command from the telephone 21; and (g) an antenna 17 connected to the transmission / reception unit 22 for transmitting / receiving a radio signal to / from the base station; It has.

  Here, as shown in FIG. 2, the mobile phone body 11 includes (i) a control unit 21 that controls the overall operation of the mobile phone 10, and (ii) a read-only memory (ROM), A storage unit 23 configured in a random access memory (RAM) or the like, and (iii) a transmission / reception unit 22 for performing communication with the base station 42 are provided. In the present embodiment, the control unit 21 includes a central processing unit (CPU), a digital signal processing device (DSP), and the like, and is a processing device that executes a program.

  The control unit 21 executes various programs and performs processing corresponding to the occurrence of events such as input of various commands and incoming calls by operation of the operation buttons 12A and 12B of the user, thereby making a call function and message communication by mail. In order to realize a general mobile phone function such as a function, various data processing is performed, and operation control of other components described above is performed. In such a control process, the control unit 21 assigns a function to each of the operation buttons 12A and 12B according to the process stage. Then, the control unit 21 causes the display unit 13 to display the functions assigned to the operation buttons 12A and 12B.

  In addition, as shown in FIG. 3, the display unit 13 has an icon display area 31 that represents the electric field strength of the mobile phone 10, the remaining battery level, and the like by icons, and the user of the mobile phone 10 uses a call, mail, or the like The function of each of the operation buttons 12A and 12B depends on what is displayed on the main display area 32 and the display screen of the main display area 32. A button function display area 33 displayed on the button A function display area 33A and the button B function display area 33B.

  Next, an operation at the time of incoming call for making a call by the mobile phone 10 configured as described above, an operation at the time of outgoing call, and an operation at the time of incoming call for performing communication by mail and an operation at the time of outgoing call will be described. In the mobile phone 10, the power is turned on / off by pressing the operation button 12 </ b> A for a predetermined time or longer, that is, “long press”.

  As shown in FIG. 4A, when the mobile phone 10 is in a standby state after the power is turned on or in an equivalent state, the control unit 21 displays a date in the main display area 32 of the display unit 13. In the button function display area 33, the button A function display area 33A displays “call”, and the button B function display area 33B displays “menu”.

  When there is an incoming call during the standby state, the incoming signal is notified to the control unit 21 via the antenna 17 and the transmission / reception unit 22. The control unit 21 notified of the incoming signal displays that there is an incoming call in the main display area 32 of the display unit 13 as shown in FIG. 4B, and displays “Start Call” in the button A function display area 33A. ”Is displayed in the button B function display area 33B, and the display function is assigned to each operation button.

  Here, when the user presses the operation button 12 </ b> A that is a “call start” function, the control unit 21 that has received a notification of pressing the operation button 12 </ b> A from the operation unit 12, via the transmission / reception unit 22 and the antenna 17, Returns the incoming response signal. Further, the control unit 21 decodes the audio signal received from the antenna 17 and the transmission / reception unit 22 and reproduces it on the call speaker 14, encodes the audio acquired by the microphone 15, and then transmits / receives the transmission / reception unit 22. And a call state to be transmitted via the antenna 17. When in a call state, the main display area 32 displays that the call is in progress in FIG. Further, “call end” is displayed in the button A function display area 33A, and “Option” is displayed in the button B function display area 33B, and the function of the display is assigned to each operation button.

  After that, when the user presses the operation button 12A which is the “call end” function, the control unit 21 which has received the notification of pressing the operation button 12A from the operation unit 12 ends the call state, and FIG. ). When the operation button 12B, which is an “Option” function, is pressed here, functions other than the “call end” function, such as a numeric input function for outputting a push sound, a recording function during a call, and a call call It will be a transition to the screen where you can select the transfer function.

  Next, as shown in FIG. 5, a case will be described in which the user of the mobile phone 10 makes a call using a phone number starting with “090”. First, in the standby state of FIG. 5A, the user presses the operation button 12A which is a “call” function. Upon receiving the notification of pressing the operation button 12A from the operation unit 12, the control unit 21 displays “phone book entry”, “direct entry”, and “return” in the main display area 32, as shown in FIG. Display the phone number entry screen to select one. Further, “Next” is displayed in the button A function display area 33A, “Confirm” is displayed in the button B function display area 33B, and the display function is assigned to each operation button.

  Here, when the user presses the operation button 12A which is the “next” function, the control unit 21 that has received the notification of pressing the operation button 12A from the operation unit 12 displays the main display as shown in FIG. The cursor in the area 32 is moved from “phone book entry” to “direct entry”. When the operation button 12B, which is the “confirm” function, is continuously pressed, the control unit 21 that has received the notification of pressing the operation button 12B from the operation unit 12 displays a numeric key in the main display area 32 as shown in FIG. Display the number input screen with displayed.

  6A to 6F are performed under the control of the control unit 21 in accordance with the operation of the operation unit 12 by the user. However, the description will be given focusing on the operation by the user and the screen transition. To do.

  The user of the mobile phone 10 operates the operation button 12A, which is a “next” function, in order to input “0” that is the first number of the phone number in FIG. When is pressed nine times, the cursor moves from “1” to “0” (see FIG. 6B). Next, when the operation button 12B, which is the “confirm” function, is pressed, the input of “0” is confirmed, and as shown in FIG. 6C, “#” is displayed below the number keys displayed in the main display area 32. “0” is displayed.

  Subsequently, when the operation button 12A is pressed 14 times in order to input “9” which is the second number of the telephone number, the cursor moves from “0” to “9”, and then when the operation button 12B is pressed. , “9” is displayed below the numeric keys in the main display area 32. Thereafter, the same operation as in FIGS. 6A to 6C is repeated to input a telephone number. When determining that the telephone number has reached the number of digits to be input, the control unit 21 displays “return” in the button A function display area 33A and “call” in the button B function display area 33B (FIG. 6 ( F)), and assign the function to each operation button.

  Here, the number of digits to be input is the number of digits determined according to the flowchart shown in FIG. 7, and the determination is performed by the control unit 21. First, when the telephone number input in the first digit is “2” to “9”, the control unit 21 recognizes that there is no connection destination and does not permit the input. If the telephone number entered in the first digit is “1”, it is recognized as an emergency call number, and “call” is displayed in the button B function display area 33B after the third digit is entered. When “*” or “#” is input in the first digit input, it is recognized as a number to the voice information providing service by the communication carrier, and the button B function display area 33B is input after the fifth digit input. "Call" is displayed.

  Next, when the input of the first digit is “0”, the determination is made based on the number input in the second digit. When the second digit input is “0”, it is recognized that the call is transmitted using a relay network, and as shown in FIG. Change to “Dial” key.

  Returning to FIG. 7, when the second digit input is “1” to “9”, the determination is based on the third digit input. When the third digit input is “0”, the call destination is recognized as a mobile terminal or an IP phone, and after the eleventh digit is input, “call” is displayed in the button B function display area 33B. When the third digit input is “1” to “9”, “call” is displayed in the button B function display area 33B after the tenth digit input.

  Returning to FIG. 5, when the operation button 12 </ b> B that is the “call” function is pressed, the control unit 21 that receives the notification of pressing the operation button 12 </ b> B from the operation unit 12 performs the calling process to the received telephone number. 22 and the antenna 17. In this case, even when the operation button 12B, which is a “call” function, is not pressed, the control unit 21 that recognizes that the telephone number having the number of digits to be input has been input, Execute the call processing for the entered phone number.

  Further, as shown in FIG. 5D, the control unit 21 displays a display indicating that a call is being made and a telephone number being sent in the main display area 32, and the button A function as in FIG. 4C. “End of call” is displayed in the display area 33A, “Option” is displayed in the button B function display area 33B, and the function is assigned to each operation button.

  When the other party responds to the outgoing call, the control unit 21 performs the process for setting the above-described call state, and then the operation after the call state is set is the same as the operation when the call is received.

  Next, as shown in FIG. 9, a case where the user of the mobile phone 10 receives mail will be described. First, in FIG. 9A in the standby state, when the control unit 21 receives a mail via the antenna 17 and the transmission / reception unit 22, the control unit 21 stores the contents in the storage unit 23 and also receives the received mail in the main display area 32. Is displayed (see FIG. 9B).

  Here, the user of the mobile phone 10 presses the operation button 12B which is a “menu” function in order to refer to the received mail. Upon receiving the notification of pressing the operation button 12B from the operation unit 12, the control unit 21 displays the mail of the mobile phone 10 such as “Mail BOX” and “Create Mail” in the main display area 32 as shown in FIG. 9C. A menu for selecting one of a selection menu related to a function, a selection menu for setting unique to the mobile phone 10 such as “screen setting” and “communication setting”, and “return” for transitioning to the previous screen in FIG. Display the screen. Further, “Next” is displayed in the button A function display area 33A, “Confirm” is displayed in the button B function display area 33B, and the display function is assigned to each operation button.

  The user of the mobile phone 10 confirms that the cursor is “Mail BOX” and presses the operation button 12B which is a “confirm” function. Upon receiving the notification of pressing the input operation button 12B from the operation unit 12, the control unit 21 displays any one of “reception BOX”, “transmission BOX”, and “return” in the main display area 32 as shown in FIG. A mail BOX screen for selecting is displayed.

  The user of the mobile phone 10 confirms that the cursor is “Reception BOX”, and presses the operation button 12B which is a “confirmation” function. The control unit 21 that has received the notification of pressing the input operation button 12B from the operation unit 12 reads the information of the reception BOX from the storage unit 23 and receives it in the main display area 32 of the display unit 13 as shown in FIG. List the date and time of receiving mail and the title.

  Here, in FIG. 9 (E), a menu “Return to Mail BOX” for returning to the screen of FIG. 9 (D) is arranged on the main display section 32 together with the received mail list. ) Screen is also possible.

  The user of the mobile phone 10 confirms that the cursor is in the mail to be displayed in the received mail list, and presses the operation button 12B which is the “confirm” function. Receiving the notification of pressing the input operation button 12B from the operation unit 12, the control unit 21 reads the content of the mail selected in FIG. 9E from the storage unit 23, and as shown in FIG. Displayed in the display area 32. In addition, the control unit 21 displays “return” in the button A function display area 33A, “Option” in the button B function display area 33B, and assigns the display function to each operation button.

  Here, when the operation button 12A which is a “return” function is pressed, it is possible to return to the previous screen, that is, the screen of FIG. 17E in order to display another received mail. When the operation button 12B, which is an “Option” function, is pressed, “Reply”, “Forward” of the displayed mail, “Save phone book” of the source address, and “End” function of the mail function for returning to the standby state Transition to a screen that can be selected.

  Next, as shown in FIG. 10, a case where the user of the mobile phone 10 receives mail will be described. Here, the menu screen of FIG. 10A is the same as the menu screen shown in FIG. 9C described above, and transitions from FIG. 9A and FIG. 9B are the same as FIG. By doing so, the screen of FIG. 10A is displayed.

  In FIG. 10A, when the user of the mobile phone 10 presses the operation button 12A that is the “next” function, the control unit 21 that receives the notification of pressing the operation button 12A from the operation unit 12 As shown in B), the cursor in the main display area 32 is moved from “Mail BOX” to “Create Mail”. Next, when the operation button 12B that is the “confirm” function is pressed, the control unit 21 that has received the notification of the operation button 12B pressing from the operation unit 12 displays “ An e-mail creation screen is displayed for selecting any of “e-mail text input”, “address input”, “send” and “return”.

  The user of the mobile phone 10 confirms that the cursor is “mail text input” and presses the operation button 12B which is a “confirm” function. Receiving the notification of pressing the input operation button 12B from the operation unit 12, the control unit 21 displays a Japanese input screen on which a Japanese key is displayed in the main display area 32, as shown in FIG.

  11 and 12 is performed under the control of the control unit 21 in accordance with the operation of the operation unit 12 by the user, and will be described by focusing on the operation by the user and the screen transition. In order to explain the Japanese input method, the input of the character string “Tokyo” will be described as an example.

  The user of the mobile phone 10 performs an operation of “next” function in order to input “to” which is the first character of “Tokyo” in FIG. 11A which is an initial screen of the Japanese input screen. When the button 12A is pressed three times, the cursor moves from “A” to “TA” (see FIG. 11B). When the operation button 12B, which is a “confirm” function, is further pressed, an input screen for “ta line” is displayed as shown in FIG.

  Next, by pressing the operation button 12A, which is the “next” function, four times, the cursor is moved from “ta” to “to” as shown in FIG. Here, when the operation button 12B which is the “confirm” function is pressed, the input of “to” is confirmed, and “to” is displayed below the Japanese key in the main display area 32 as shown in FIG. Is displayed.

  By repeating the same operations as in FIGS. 11A to 11E, input of all characters of “Tokyo” is completed (see FIG. 11F). When the input is completed, the operation button 12A is pressed 13 times to move the cursor from “A” to “FUN” as shown in FIG. Here, “Kan”, one of the Japanese keys, represents the “Kana-Kanji conversion” function.

  When the user confirms that the cursor is “weird” and presses the operation button 12B, which is the “confirm” function, “→” and “←” are displayed in the main display area 32 as shown in FIG. And a selection range designation screen for selecting one of “conversion”. Here, the “→” and “←” functions indicate the moving direction of the character string selection range cursor, and are used to select a range for performing “Kana-Kanji conversion”.

  In order to make all the characters of “Tokyo” into the conversion range, the user confirms that the cursor is on “→”, presses the “Confirm” function operation button 12B four times, and selects “Tokyo”. (See FIG. 12C). Next, the operation button 12A that is the “next” function is pressed twice, the cursor is placed on “conversion” as shown in FIG. 12D, and the operation button 12B that is the “confirm” button is pressed.

  As a result, as shown in FIG. 12E, a conversion candidate screen for selecting one of conversion candidates “Tokyo”, “Tokyo”, and “Tokyo” is displayed in the main display area 32. The user confirms that the cursor is “Tokyo” and presses the operation button 12B which is a “confirm” function. In the confirmed character string “Tokyo”, “Tokyo” is displayed below the Japanese key displayed in the main display area 32 of the display unit 13 as shown in FIG.

  By repeating the procedure shown in FIGS. 11 and 12, a character string to be input in the mail body is input. When the input of the character string to be input is completed, the user presses the operation button 12A 14 times, and the cursor is changed from “A” to “Op” representing Option as shown in FIG. Move. Next, the operation button 12B, which is a “confirm” function, is pressed.

  Upon receiving the notification of pressing the operation button 12B from the operation unit 12, the control unit 21 returns to the main display area 32 as “save and return”, “return without saving”, “ An Option screen for selecting one of “alphabetic characters”, “numbers”, and “symbols” is displayed. Here, since it is necessary to save the mail text in order to transmit the contents of the input mail, it is confirmed that the cursor is on “Save and return”, and the operation button 12B is pressed.

  On the Option screen, when the cursor is placed on “alphabetic characters”, “numbers”, and “symbols” and the operation button 12B that is a “confirm” function is pressed, the control unit 21 adds an alphabetic character to the mail body. Displays a screen for entering numbers and symbols.

  Receiving the notification of pressing the operation button 12B from the operation unit 12, the control unit 21 displays the above-described mail creation screen in the main display area 32 as shown in FIG. At the time of display, since the mail text has already been saved, the control unit 21 displays the mail creation screen with the cursor positioned at “input address”.

  In the mail creation screen, when the user of the mobile phone 10 presses the operation button 12B that is the “confirm” function, the control unit 21 that has received the notification of the operation button 12B pressing from the operation unit 12 displays FIG. As shown in FIG. 8, an address input screen for selecting one of “phone book entry”, “direct entry”, and “return” is displayed in the main display area 32.

  Here, when the user presses the operation button 12A, which is the “next” function, the control unit 21 that has received the notification of pressing the operation button 12A from the operation unit 12 displays the main display as shown in FIG. The cursor in the area 32 is moved from “phone book entry” to “direct entry”. Then, when the operation button 12B, which is the “confirm” function, is pressed, the control unit 21 that has received the notification of the operation button 12B pressing from the operation unit 12 displays an alphabetic key in the main display area 32 as shown in FIG. Display the alphabet input screen with displayed.

  In the address input screen, when the cursor is placed on “phone book entry” and the operation button 12B, which is the “confirm” function, is pressed, the control unit 21 stores the phone book already recorded in the storage unit 23. To display the screen for selecting and entering the mail destination address.

  The screen transition in FIG. 14 is performed under the control of the control unit 21 in accordance with the operation of the operation unit 12 by the user, and will be described by focusing on the operation by the user and the screen transition. Further, in order to explain an English character input method, an input of an English character string “vvvv@aaa.com” which is a mail address will be described as an example.

  The user of the mobile phone 10 uses the “next” function to input “v” that is the first character of “vvvv@aaa.com” in FIG. When the operation button 12A is pressed six times, the cursor moves from “A” to “T” (see FIG. 14B). Further, when the operation button 12B, which is the “confirm” function, is pressed, as shown in FIG. 14C, an input screen for lower case letters “t” to “v” and upper case letters “T” to “V” is displayed.

  Next, by depressing the operation button 12A, which is the “next” function, twice, the cursor is moved from “t” to “v” as shown in FIG. Here, when the operation button 12B which is the “confirm” function is pressed, the input of “v” is confirmed, and “v” is displayed below the alphabetic key in the main display area 32 as shown in FIG. Is displayed.

  By repeating the procedure shown in FIGS. 14A to 14E, a character string to be input to the mail address is input. When the input of the character string to be input is completed, the operation button 12A is pressed 14 times, and the cursor is moved from “A” to “Op” representing Option as shown in FIG. Next, the operation button 12B, which is a “confirm” function, is pressed.

  Upon receiving the notification of pressing the operation button 12B from the operation unit 12, the control unit 21 returns to the main display area 32 as “save and return”, “return without saving”, “ An Option screen for selecting one of “alphabetic characters”, “numbers”, “symbols”, and “save in phone book” is displayed. Here, since it is necessary to save the e-mail address in order to send the e-mail to the inputted e-mail address, it is confirmed that the cursor is on “Save and return”, and the operation button 12B is pressed.

  In the Option screen, when the cursor is placed on “Save to phone book” and the operation button 12B which is the “Confirm” function is pressed, the control unit 21 saves the input mail address in the phone book. Is displayed.

  Upon receiving the notification of pressing the operation button 12B from the operation unit 12, the control unit 21 displays the above-described mail creation screen in the main display area 32 as shown in FIG. At the time of display, since the mail text and the mail address are already stored, the control unit 21 displays the mail creation screen with the cursor set to “Send”.

  The user of the mobile phone 10 confirms that the cursor is on “Send” and presses the operation button 12B which is a “confirm” function. The control unit 21 that has received the notification of pressing the operation button 12B from the operation unit 12 transmits the stored mail text to the stored mail address via the transmission / reception unit 22 and the antenna 17. Further, as shown in FIG. 13F, the control unit 21 displays that the mail is being transmitted in the main display area 32, and “call” and button are displayed in the button A function display area 33A as in the standby screen. “Menu” is displayed in the B function display area 33B, and the function of the display is assigned to each operation button.

  When mail transmission is completed, a completion notification is once displayed in the main display area 32, and then transitions to the standby state of FIG. 4A, and the mobile phone 10 enters a standby state.

  As described above, in the present embodiment, when the mobile phone 10 including the two operation buttons 12A and 12B is in a standby state, the control unit 21 sets the operation buttons 12A and 12B to the “call” and “menu” functions, respectively. assign. Therefore, when there is an incoming call, the control unit 21 assigns the operation buttons 12A and 12B to the “call start” and “answer phone” functions, respectively. Subsequently, when the operation button 12A which is the “call start” function is pressed, the control unit 21 assigns the operation buttons 12A and 12B to “end call” and “Option”, respectively. Finally, when the operation button 12A which is the “call end” function is pressed, the control unit 21 assigns the operation buttons 12A and 12B to the “call” and “menu” functions which are the same as in the standby state.

  When making a call, when the operation button 12A, which is a “call” function, is pressed, the control unit 21 assigns the operation buttons 12A and 12B to the “next” and “confirm” functions, respectively. Next, when the telephone number has been input, the control unit 21 assigns the operation buttons 12A and 12B to “next” and “call”, respectively. Thereafter, when a call is made, the control unit 21 assigns the operation buttons 12A and 12B to “end call” and “Option”, respectively.

  When the received mail is displayed, when the operation button 12B which is the “menu” function is pressed, the control unit 21 assigns the operation buttons 12A and 12B to the “next” and “confirm” functions, respectively. Finally, when the mail is displayed, the control unit 21 assigns the operation buttons 12A and 12B to the “return” and “Option” functions, respectively.

  In the case of sending a mail, when the operation button 12B which is a “menu” function is pressed, the control unit 21 assigns the operation buttons 12A and 12B to the “next” and “confirm” functions, respectively. When the mail is transmitted, the control unit 21 assigns the operation buttons 12A and 12B to the “call” and “menu” functions that are the same as in the standby state.

  Therefore, according to this embodiment, the convenience of the user of the mobile phone 10 can be improved.

  In the present embodiment, the mail address is expressed in English characters. However, when inputting a telephone number such as a so-called short mail, the operation of FIG. 6 which is a telephone number input operation may be used. .

  In this embodiment, the function assigned to each operation button is only displayed on the display unit. However, a function for notifying the function of each operation button by voice may be added.

  In the present embodiment, the number of operation buttons is two, but it is needless to say that the present invention can be applied to the case where there are three or more buttons or a cross key having a plurality of button functions.

  Further, in the present embodiment, the present invention is applied to a mobile phone as a mobile communication terminal device, but it is needless to say that the present invention can be applied to a mobile communication terminal device other than a mobile phone.

  As described above, the mobile communication terminal apparatus of the present invention can be applied to a mobile communication terminal apparatus having a plurality of operation buttons.

It is a figure which shows roughly the external appearance structure of the mobile telephone which concerns on one Embodiment. It is a figure which shows schematically the internal structure of the mobile telephone of FIG. It is a figure which shows roughly the screen structure of the display part 13 of the mobile telephone of FIG. It is a figure showing the screen transition of the display part 13 when there exists an incoming call. It is a figure showing the screen transition of the display part 13 in the case of making a telephone call. It is a figure for demonstrating telephone number input operation. It is a flowchart for determining the telephone number input digit number. It is a figure showing the screen display of the display part 13 when it is recognized that a telephone number is for relay network use. It is a figure showing the screen transition of the display part 13 when there exists mail reception. It is a figure for demonstrating operation of mail preparation (the 1). It is a figure for demonstrating character input operation. It is a figure for demonstrating kanji conversion operation among character input operations. It is a figure for demonstrating operation of mail preparation (the 2). It is a figure for demonstrating mail address input operation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Mobile phone (mobile terminal device), 11 ... Mobile phone main body, 12 ... Operation part, 12A ... Operation button, 12B ... Operation button, 13 ... Display part, 14 ... Speaker for call, 15 ... Microphone, 16 ... Guidance Speaker 17 for antenna 21 Control unit (processing means) 22 Transmission / reception unit 23 Storage unit 31 Icon display area 32 Main display area 33 Button function display area 33A Button A function Display area, 33B ... button B function display area.

Claims (4)

In a mobile communication terminal device in which operation input is performed only by operating a plurality of operation buttons,
Processing corresponding to a command input by an operation by a user of the plurality of operation buttons is performed, functions of the plurality of operation buttons are assigned according to a processing stage, and the functions of the plurality of operation buttons allocated are displayed on the display unit. A mobile communication terminal device comprising processing means for displaying.   If the processing unit inputs a destination number by operating the plurality of operation buttons, and determines that only a required number of digits have been input from the pattern of the destination number, 1 of the plurality of operation buttons The mobile communication terminal device according to claim 1, wherein one is assigned to a transmission command button.   The processing means, when a destination number is input by operating the plurality of operation buttons, determines that the required number of digits have been input from the pattern of the destination number, and then issues any command within a predetermined time. The mobile communication terminal apparatus according to claim 1 or 2, wherein a transmission operation is started when no input is made. The mobile communication terminal apparatus according to claim 1, wherein the number of the plurality of operation buttons is two.

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