JP2012054808A - Mobile phone, communication system, and communication control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile phone which solves a problem in which it takes time from a standby state to the transmission of text data.SOLUTION: An operation unit 207 comprises character keys used in common as keys for dial transmission and as keys for character input. A storage memory 206 stores address information indicating the transmission destination of the text data. When the mobile phone comes into the standby state, a control unit 210 sets a character input mode in which the character keys are used as the keys for character input. When operation is given to the character keys in this state, the control unit 210 transmits the text data according to the operation content to the transmission destination indicated by the address information within the storage memory 206.

Description

  The present invention relates to a mobile phone having a voice call function and a data communication function.

  A general mobile phone is provided with an operation key that combines a dialing key and a character input key. By switching the key input mode, the operation key can be used as a dialing key, It can be used as a key for input.

  In the above mobile phone, the key input mode in the standby state is generally a dial input mode for using the operation key as a key for dialing, and a specific type of mailer, notepad, browser, etc. When the application is activated and the text input screen of the application is displayed, the key input mode is switched to the character input mode for using the operation keys as the character input keys. For this reason, there is a problem that it takes time until the user can input a sentence from the standby state.

  On the other hand, Patent Documents 1 to 3 describe portable electronic devices that can directly input characters from a standby state.

  When a key input is performed a predetermined number of times or more in the dial input mode in the standby state, the portable electronic device described in Patent Document 1 corresponds to the key input and is a number that is a symbol in the dial input mode and in the character input mode. Are displayed, and a list of applications corresponding to those numbers and characters is displayed. When the user selects an application from the list, a text input screen for the application is displayed, and the entered numbers or characters are diverted to the text input screen.

  Further, in the portable electronic devices described in Patent Documents 2 and 3, when key input is performed in a standby state, a number corresponding to the key input, which is a symbol in the dial input mode, and a symbol in the character input mode Are displayed in different display areas. When the user selects one of the display areas, the application text input screen corresponding to the selected display area is displayed, and the numbers or characters displayed in the selected display area are diverted to the text input screen. The

JP 2009-290292 A JP 2010-33429 A JP 2010-33431 A

  In the portable electronic devices described in Patent Documents 1 to 3, when text data such as numbers and sentences input by the user is transmitted to the network using e-mail or the like, the user selects an application or a display area, and then It is necessary to perform an operation according to the application. For this reason, there is a problem that it takes time to transmit the text data from the standby state.

  For example, when text data input in a standby state is diverted to the text of a transmission mail, the user needs to perform an operation according to the mailer, set a destination and a subject, and further perform a transmission operation.

  An object of the present invention is to provide a mobile phone, a communication system, and a communication control method capable of solving the above-mentioned problem that it takes time to transmit text data from a standby state.

  A cellular phone according to the present invention is a cellular phone capable of voice calls and data communications, and includes an operation unit having an operation key that is used both as a dialing key and a character input key, and as a text data transmission destination. And a storage unit for storing address information indicating the state, and when in a standby state, the operation key is set to a character input mode to be used as the character input key, and the operation key is operated in this state. A control unit that transmits text data corresponding to the operation content to a transmission destination indicated by the address information in the storage unit.

  The communication system according to the present invention is a communication system including the mobile phone and a server, and when the server receives text data from the mobile phone, the server stores the text data in an accessible manner, and the text When the period in which neither the access to the data nor the reception of the text data is continued for a predetermined period or longer, the access information for accessing the text data is notified to a preset emergency contact address.

  A communication control method according to the present invention includes a mobile phone having an operation unit having an operation key that serves both as a dialing key and a character input key, and a storage unit that stores address information indicating a destination of text data. In the communication control method according to the above, when in a standby state, the operation key is set to a character input mode used as the character input key, and when the operation key is operated in the standby state, Text data corresponding to the operation content is transmitted to the transmission destination indicated by the address information in the storage unit.

  According to the present invention, it is possible to reduce the time required for transmitting text data from a standby state.

It is a block diagram which shows the communication system of the 1st Embodiment of this invention. It is a block diagram which shows the structural example of the mobile telephone of the 1st Embodiment of this invention. It is a figure which shows an example of an operation key. It is a flowchart for demonstrating an example of operation | movement of the mobile telephone of the 1st Embodiment of this invention. It is a figure which shows an example of a display screen. It is a figure which shows an example of the confirmation screen which confirms whether a voice call is performed. It is a flowchart for demonstrating an example of operation | movement of the mobile telephone of the 1st Embodiment of this invention. It is a figure which shows an example of the confirmation screen which confirms whether photography image data is attached to text data. It is a figure for demonstrating switching by the toggle format between character input mode and dial input mode.

  Embodiments of the present invention will be described below with reference to the drawings. In the following description, components having the same function may be denoted by the same reference numerals and description thereof may be omitted.

  FIG. 1 is a block diagram illustrating a communication system according to a first embodiment of this invention. In FIG. 1, the communication system includes a mobile phone 101, a company PC (Personal computer) / server 102, a home PC 103, and a service company server 104.

  The mobile phone 101 can be connected to the company PC / server 102, home PC 103, and service company server 104 via a base station 105, a mobile phone network 106, a gateway server 107, and the Internet 108. The “PC / server” of the company PC / server 102 may be a PC or a server.

  FIG. 2 is a block diagram showing the configuration of the mobile phone 101. In FIG. 2, a mobile phone 101 includes an antenna 201, a wireless transmission / reception unit 202, a camera module 203, a GPS module 204, an operation memory 205, a holding memory 206, an operation unit 207, and a display unit 208. And a microphone module 209 and a control unit 210.

  The antenna 201 transmits / receives a phase-modulated radio wave to / from the base station 105. The wireless transmission / reception unit 202 has a function of demodulating a radio wave received by the antenna 201 and a function of phase-modulating digital data from the control unit 210 and transmitting the radio data via the antenna 201. The camera module 203 is a photographing unit that captures photographed image data by photographing the periphery of the mobile phone 101.

  The GPS module 204 has a built-in receiver that receives positioning radio waves from GPS satellites, measures its position based on the positioning radio waves received by the receiver, and displays the positioning results as the current position. It is a positioning part acquired as information.

  The operation memory 205 and the holding memory 206 are computer-readable recording media such as a CPU (Central Processing Unit). The operation memory 205 stores an operation program that defines the operation of the computer and is used as a working area for the operation program. The holding memory 206 is a storage unit that stores user data such as received e-mail, sent e-mail, e-mail after creation, e-mail before transmission, address book data, and photographed image data. The holding memory 206 stores address information indicating the transmission destination of the text data input in the standby state. Note that a part of the operation memory 205 and the holding memory 206 is generally realized by different storage areas in the same physical recording medium.

  The operation unit 207 is a key input unit used for a user to make a voice call using a telephone function, register data in an address book, create an e-mail, or set various functions. is there.

  The operation keys of the operation unit 207 include character keys for character input and function keys to which specific functions such as a menu key, an on-hook key, an off-hook key, a redial key, and a clear key are assigned. The character key is also used as a dialing key. FIG. 3 is a diagram illustrating an example of the operation keys of the operation unit 207. The character keys 301, which are used as character input keys and dialing keys, and the function keys 302 to which a specific function is assigned. Is shown.

  The display unit 208 displays various information. For example, the display unit 208 displays various input data such as a telephone number of a call destination at the time of outgoing / incoming calls and e-mail data corresponding to the operation content of the operation unit 207.

  The microphone module 209 is an audio acquisition unit that acquires ambient audio as audio data.

  The control unit 210 is a computer such as a CPU, and reads an operation program in the operation memory 205 and executes the read operation program to control each unit of the mobile phone.

  For example, the control unit 210 performs an incoming call notification based on the demodulated signal demodulated by the wireless transmission / reception unit 202, or processes a voice signal or a digital data signal, thereby performing a voice call function or a data communication function (email transmission / reception). Function and server connection function). In addition, the control unit 210 controls the camera module 203 and performs settings such as brightness, color tone, angle of view size, and specification of shooting timing to the camera module 203 via a serial I / F or the like. The camera module 203 is caused to acquire captured image data. Further, the control unit 210 may notify the GPS module 204 of position-related information (assist data) received from the base station via a serial I / F or the like so that the positioning error of the GPS module 204 is corrected. Good. In addition, the control unit 210 may control the microphone module 209 so that the microphone module 209 acquires voice data and realizes a voice memo function that stores the voice data in the holding memory 206.

  Further, when the control unit 210 enters a standby state, the control unit 210 sets a character input mode in which the character key of the operation unit 207 is used as a character input key. Then, when an operation is performed on the character key in the standby state, the control unit 210 transmits text data corresponding to the operation content to the transmission destination indicated by the address information in the holding memory 206.

  Next, the operation of the mobile phone 101 will be described.

  First, the operation when the user operates the operation key of the operation unit 207 when the mobile phone 101 is in the standby state will be described with reference to FIG.

  First, the control unit 210 detects a key operation by the user and determines whether or not the character input mode has been canceled (step ST11).

  When the character input mode is not cancelled, control unit 210 determines whether or not the key operation is an emergency call operation for making an emergency call (step ST12).

  If the key operation is not an emergency call operation, control unit 210 determines whether or not the key operation is a release operation for canceling the character input mode (step ST13).

  If the key operation is not a release operation, control unit 210 determines whether or not the key operation is an emergency condition operation that satisfies an emergency call condition (step ST14).

  If the key operation is not an emergency condition operation, control unit 210 determines the character input according to the key operation, and displays the character assigned to the character key operated by the user on display unit 208 (step ST15). The process is terminated.

  In the present embodiment, when the mobile phone 101 is in a standby state, it is basically assumed that processing is performed in the order of steps ST11, ST12, ST13, ST14, and ST15 as described above. That is, in the standby state, the default input mode is set to the character input mode, and characters are input unless a special key input is performed. In this case, when a character is input in the standby state, a display screen 401 including the input character as shown in FIG.

  Hereinafter, an operation of the mobile phone 101 when a special key input is performed will be described.

  First, the canceling operation for canceling the character input mode in step ST13 will be described. For example, a specific key that is not normally used for character input, such as a function key such as an off-hook key, is assigned as a key for canceling the character input mode.

  When the key for canceling the character input mode is operated in step ST13, the control unit 210 determines that the key operation is a cancel operation, and proceeds to step ST17. In step ST17, control unit 210 cancels the character input mode and switches to the dial input mode in which the operation keys are used as dialing keys. In subsequent key operations, it is determined in step ST11 that the character input mode has been canceled, and dial input is performed in step ST19.

  Note that if the first key operation in the standby state is not a release operation, the control unit 210 may skip step ST13 during the subsequent key operation. In the present embodiment, when the input mode is switched to the dial input mode and then returns to the standby state, the control unit 210 automatically switches the input mode to the character input mode. The canceling operation is used as a switching operation for switching the input mode.

  Next, the emergency call operation and the emergency condition operation in steps ST12 and ST14 will be described.

  When an operation for inputting an emergency destination number that is a telephone number for an emergency such as “110” or “119” is performed, the emergency destination number is given priority over character input corresponding to the operation. It is better to make an outgoing call. For this reason, in step ST14, the control unit 210 determines whether or not the operation unit 207 has been operated in the same procedure as the dial input procedure for dialing in a predetermined emergency destination number. When the same procedure is performed, it is determined that the key operation is an emergency condition operation, and the process proceeds to step ST18. For example, even in the character input mode, when the key operation is performed in the order of the key to which dial 1 is assigned, the key to which dial 1 is assigned, and the key to which dial 0 is assigned, the control unit 210 performs the key operation. Is an emergency condition operation, the process proceeds to step ST18.

  In step ST18, the control unit 210 displays on the display unit 208 a confirmation screen 501 for confirming whether or not to make a voice call to the emergency destination number as shown in FIG. Thereafter, when a key operation is performed, in step ST12, control unit 210 determines whether or not the key operation is an emergency call operation.

  When the key operation is an emergency call operation, the control unit 210 proceeds to step ST16, and performs an emergency call of a voice call to the emergency destination number. Here, as an emergency call operation, for example, an operation with respect to a key (software key 502) corresponding to YES on the display screen shown in FIG. 6 or a pre-assigned key among function keys such as an off-hook key and a determination key. Etc.

  If the key operation is not an emergency call operation, the control unit 210 cancels the confirmation screen 501 shown in FIG. 5 and character input continues. Examples of operations other than emergency call operations include operations on keys (software keys 503) corresponding to NO on the display screen in FIG. 5 and pre-assigned keys and character keys among function keys such as an off-hook key and an enter key. Can be mentioned.

  Note that when an operation of a procedure different from the dial input procedure is performed (for example, when the first key operation is a key operation for a key other than the key assigned to dial 1, the key operation is performed) Control unit 210 may skip step ST14 during subsequent key operations. Further, when the confirmation screen 501 is not displayed, the control unit 210 may skip step ST12.

  Next, an operation when transmitting text data input in the standby state in the above procedure to a predetermined server or the like will be described. FIG. 7 is a flowchart for explaining an example of this operation.

  First, in step ST61, the user sets address information indicating a transmission destination of text data in the mobile phone 101 in advance. Here, it is assumed that the address information is stored in the holding memory 206. Note that the address information need not be set every time text data is sent, and is not changed frequently once the text data is sent. Therefore, in FIG. 6, step ST61 is distinguished from other processes that are executed each time. Shown in broken lines. Examples of text data transmission destinations include company PC / server 102, home PC, and service company server 104 connected to the Internet 108 as shown in FIG.

  Next, in step ST62, when the character input is performed by repeating the operation described with reference to FIG. 4 and a completion operation indicating that the character input is completed is performed on the operation unit 207, the control unit 210 is performed. Moves to step ST63. The text data corresponding to the character input is temporarily stored in the operation memory 205 by the control unit 210.

  In step ST63, the control unit 210 obtains text data from the operation memory 205 and obtains address information from the holding memory 206. The control unit 210 creates digital data for transmission from the text data according to the address information. For example, when the address information is an e-mail address, the control unit 210 diverts the text data to the body of the e-mail and diverts the address information to the destination of the e-mail, thereby creating the e-mail as digital data. Then, the control unit 210 transmits the created digital data via the wireless transmission / reception unit 202 and the antenna 201.

  Thereafter, in step ST64, the control unit 210 returns to the standby state and ends the process.

  In step 63, the control unit 210 displays a confirmation screen for confirming whether or not to transmit the digital data on the display unit 208 before transmitting the digital data. The digital data may be transmitted only when an operation for transmitting data is performed.

  When the address information is an e-mail address, the control unit 210 discards the transmitted digital data and saves it as a transmitted mail in the mobile phone 101 from the viewpoint of saving memory consumption of the mobile phone 101 and protecting personal information. It may not be allowed to.

  Next, a service for managing digital data transmitted from the mobile phone 101 by the above processing will be described.

  In the following, it is assumed that address information indicating the service company server 104 as a transmission destination is set in step ST61. In this case, the service company server 104 receives digital data from the mobile phone 101 and accumulates the digital data in an accessible manner. This accumulated digital data is linked to content provided by a service company and readable by a Web browser or the like. Access information (URL, password, etc.) for accessing digital data via the content is normally disclosed only to service contractors (users). A user inputs access information to the company PC / server 102, home PC 103, and the like to access the content. Then, the user calls the digital data stored in the service company server 104 using the company PC / server 102 or the home PC 103, and performs processing such as browsing, editing, and deletion of the digital data.

  Here, it is assumed that the service user can set in advance an emergency contact information that is an emergency contact information (such as a family mail address or telephone number) in the service company server 104. In this case, the service company server 104 transmits the access information to the emergency contact information when the period in which neither the access to the digital data nor the reception of the digital data is continued for a predetermined period or longer, and the family etc. To disclose access information. Further, when the above period continues for a predetermined period or longer, the service company server 104 confirms whether or not the text data can be disclosed to the normal contact that is the preset contact of the user. After sending confirmation information, if response information for the confirmation information is not received even after a certain period of time has passed, and if response information indicating disclosure permission is received as response information for the confirmation information, Access information may be sent to the contact.

  By using this service, users can easily leave their own records such as diaries, blogs or memorandums that are not open to the public.

  As described above, according to the present embodiment, the operation unit 207 has a character key that serves as both a dialing key and a character input key. The holding memory 206 stores address information indicating the transmission destination of the text data. When the control unit 209 enters a standby state, the control unit 209 sets a character input mode in which the character key is used as a character input key. When an operation is performed on the character key in this state, text data corresponding to the operation content is set. Is transmitted to the transmission destination indicated by the address information in the holding memory 206.

  For this reason, since the text data input in the standby state is transmitted to the transmission destination indicated by the address information stored in the holding memory 206, the time required to transmit the text data from the standby state can be shortened. become.

  Therefore, when the mobile phone 101 is used to upload a diary to a server in a network service for adding a diary, the user can leave a diary immediately when it comes to mind without performing an operation to start a special application. It becomes possible.

  In the present embodiment, when the character input mode is set, the control unit 210 performs an operation of the same procedure as the dial input procedure for inputting the emergency destination number on the operation unit 207. Make a voice call to the emergency number. For this reason, even in the character input mode, when an emergency number is entered, it is possible to make an emergency call immediately, so that an emergency call can be made as a basic function of the telephone without increasing the number of steps. Is possible.

  In the present embodiment, the service company server 104 accumulates text data from the mobile phone 101 in an accessible manner, and a period in which neither access to the text data nor reception of the text data is continued for a predetermined period or longer. If it does, access information is notified to the emergency contact.

  For this reason, when the period during which neither the access to the text data nor the reception of the text data has been performed by the user continues for a predetermined period or longer, it is possible to communicate the contents of the text data to the other party. Therefore, it is possible to immediately record words and thoughts that cannot be communicated to people who are important to users, and in cooperation with network services, it is possible to convey the records to important people in the event of an emergency. Can provide an environment (like “mind insurance”). It also provides an environment (like a “time machine for the heart”) that allows an adult child to convey their thoughts about the child they had when they were young, even if there is no chance. be able to.

  Next, another embodiment of the present invention will be described.

  The configuration of the mobile phone 101 in this embodiment is the same as that of the mobile phone of the first embodiment shown in FIG. 2, but the following processing is further performed.

  When character input from the standby state is completed, that is, when a completion operation indicating completion of character input is performed on the operation unit 207, the control unit 210 captures captured image data captured by the camera module 203. Attach to text data and send.

  More specifically, when the completion operation is performed on the operation unit 207, first, the control unit 210 confirms whether or not to attach the captured image data to the text data as shown in FIG. A screen 801 is displayed on the display unit 208. Thereafter, when the operation unit 207 is operated to attach the captured image data to the text data, the control unit 210 activates the camera module 203 to acquire the captured image data, and the captured image data is converted into the text data. Attach to and send. Further, if image data such as captured image data previously captured by the camera module 203 is stored in the holding memory 206, the control unit 210 may transmit the image data attached to the text data. .

  When there are a plurality of image data, the control unit 210 may transmit the image data selected by the user among the image data attached to the text data. Further, the operation for attaching the photographed image data to the text data is, for example, an operation on a key (software key 802) corresponding to YES on the display screen shown in FIG. When an operation is performed on a key (software key 803) corresponding to NO on the display screen shown in FIG. 8, the control unit 210 transmits text data without attaching image data.

  Further, the control unit 210 replaces the captured image data with current position information acquired by the GPS module 204, current time information, audio data acquired by the microphone module 209, and audio data stored in the holding memory 206. May be attached to text data and transmitted, or a combination of these pieces of information may be attached to text data for transmission.

  Further, in the standby state, the control unit 210 may switch between the character input mode and the dial input mode in a toggle format every time a switching operation (cancellation operation) for switching the input mode is performed. That is, every time the key for canceling the character input mode is operated, the control unit 210 may alternately set the character input mode and the dial input mode as the input mode. For example, as shown in FIG. 9, the controller 210 toggles between the character input mode (A) and the dial input mode (B) each time the software key 901 displayed at the lower right of the standby screen is operated. Switch. The display information displayed at the lower left of each standby screen in FIG. 9 indicates the current input mode.

  In this case, when returning to the standby state after the character input is completed, the control unit 210 may switch the input mode to the character input mode, or may remain in the input mode immediately before the completion.

  As described above, according to the present embodiment, image data, audio data, current position information, current time information, and the like can be transmitted while being attached to text data, so that more information is easily transmitted. It becomes possible.

  In each embodiment described above, the illustrated configuration is merely an example, and the present invention is not limited to the configuration.

[Appendix 1]
A mobile phone capable of voice calls and data communication,
An operation unit having an operation key in which a key for dialing and a key for character input are combined;
A storage unit for storing address information indicating a transmission destination of the text data;
When in a standby state, the operation key is set to a character input mode that is used as a key for character input.When an operation is performed on the operation key in this state, text data corresponding to the operation content is A control unit configured to transmit to a transmission destination indicated by the address information in the storage unit.

[Appendix 2]
The control unit switches the character input mode to a dial input mode in which the operation key is used as the dial call key when a switching operation for switching the input mode is performed on the operation unit. The mobile phone described in 1.

[Appendix 3]
The mobile phone according to attachment 2, wherein the control unit switches between the character input mode and the dial input mode in a toggle format when the switching operation is performed on the operation unit.

[Appendix 4]
When the control unit is operated in the same procedure as a dial input procedure for inputting a predetermined emergency destination telephone number to the operation unit when the character input mode is set, The mobile phone according to any one of appendices 1 to 3, wherein a voice call is made to the emergency destination telephone number.

[Appendix 5]
A display unit;
When the operation unit performs the same procedure, the control unit displays a confirmation screen on the display unit for confirming whether or not to perform a voice call to the emergency destination telephone number. 5. The mobile phone according to appendix 4, wherein when an operation for performing a voice call is performed on the operation unit, a voice call is made to the emergency destination telephone number.

[Appendix 6]
A display unit;
Before transmitting the text data, the control unit displays a confirmation screen for confirming whether or not to transmit the text data on the display unit, and then transmits the text data to the operation unit. The mobile phone according to any one of appendix 1 and 5, wherein the text data is transmitted when an operation is performed.

[Appendix 7]
The mobile phone according to any one of appendix 1 and 6, wherein the control unit discards the text data after transmitting the text data.

[Appendix 8]
It further has a photographing unit for photographing the surroundings and acquiring image data,
The control unit according to any one of appendices 1 to 7, wherein when transmitting the text data, the control unit causes the photographing unit to acquire the image data, and transmits the image data attached to the text data. Mobile phone.

[Appendix 9]
The storage unit stores image data,
The mobile phone according to any one of appendices 1 to 7, wherein the control unit transmits the image data in the storage unit attached to the text data.

[Appendix 10]
A voice acquisition unit that acquires surrounding voice as voice data;
The control unit according to any one of appendices 1 to 7, wherein when the text data is transmitted, the voice acquisition unit acquires the voice data and transmits the voice data attached to the text data. Mobile phone.

[Appendix 11]
The storage unit stores audio data,
The mobile phone according to any one of appendices 1 to 9, wherein the control unit transmits the voice data in the storage unit attached to the text data.

[Appendix 12]
It further includes a positioning unit that acquires current position information,
The mobile phone according to any one of appendices 1 to 11, wherein the control unit transmits the current position information acquired by the positioning unit attached to the text data.

[Appendix 13]
The mobile phone according to any one of appendices 1 to 12, wherein the control unit transmits current time information attached to the text data.

[Appendix 14]
A communication system comprising the mobile phone according to any one of appendices 1 to 13 and a server,
When the server receives text data from the mobile phone, the server accumulates the text data in an accessible manner, and a period in which neither the access to the text data nor the reception of the text data is performed is a predetermined period or more. A communication system for notifying access information for accessing the text data to a preset emergency contact address when continuing.

[Appendix 15]
When the period continues for the predetermined period or longer, the server notifies confirmation information for confirming whether or not the text data may be disclosed to a preset normal contact and discloses the confirmation information. 15. The communication system according to appendix 14, wherein when the response information indicating permission is received, the access information is notified to the emergency contact address.

[Appendix 16]
If the period continues for the predetermined period or longer, the server notifies the preset normal contact information for confirming whether or not the text data may be disclosed, and then a certain period or more has elapsed. However, if the response information to the confirmation information is not received, the communication system according to appendix 14 or 15, wherein the access information is notified to the emergency contact.

101 mobile phone 102 company PC server 103 home PC
DESCRIPTION OF SYMBOLS 104 Service company server 105 Base station 106 Mobile telephone network 107 Gateway server 108 Internet 201 Antenna 202 Wireless transmission / reception part 203 Camera module 204 GPS module 205 Operation memory 206 Holding memory 207 Operation part 208 Display part 209 Microphone module 210 Control part

Claims (10)

A mobile phone capable of voice calls and data communication,
An operation unit having an operation key in which a key for dialing and a key for character input are combined;
A storage unit for storing address information indicating a transmission destination of the text data;
When in a standby state, the operation key is set to a character input mode that is used as a key for character input.When an operation is performed on the operation key in this state, text data corresponding to the operation content is A control unit configured to transmit to a transmission destination indicated by the address information in the storage unit.   The control unit switches the character input mode to a dial input mode in which the operation key is used as the dial call key when a switching operation for switching an input mode is performed on the operation unit. 1. The mobile phone according to 1.   When the control unit is operated in the same procedure as a dial input procedure for inputting a predetermined emergency destination telephone number to the operation unit when the character input mode is set, The mobile phone according to claim 1 or 2, wherein a voice call is made to the emergency destination telephone number.   4. The mobile phone according to claim 1, wherein the control unit discards the text data after transmitting the text data. 5. It further has a photographing unit for photographing the surroundings and acquiring image data,
The said control part makes the said imaging | photography part acquire the said image data, and transmits the said image data by attaching to the said text data, when transmitting the said text data. Mobile phone. A voice acquisition unit that acquires surrounding voice as voice data;
The said control part makes the said audio | voice acquisition part acquire the said audio | speech data, and transmits the said audio | voice data by attaching to the said text data, when transmitting the said text data. The mobile phone described. It further includes a positioning unit that acquires current position information,
The mobile phone according to any one of claims 1 to 6, wherein the control unit transmits the current position information acquired by the positioning unit attached to the text data.   The mobile telephone according to any one of claims 1 to 7, wherein the control unit transmits current time information attached to the text data. A communication system comprising the mobile phone according to any one of claims 1 to 8 and a server,
When the server receives text data from the mobile phone, the server accumulates the text data in an accessible manner, and a period in which neither the access to the text data nor the reception of the text data is performed is a predetermined period or more. A communication system for notifying access information for accessing the text data to a preset emergency contact address when continuing. A communication control method by a mobile phone having an operation unit having an operation key that is used both as a dialing key and a character input key and a storage unit that stores address information indicating a destination of text data,
When in the standby state, the operation key is set to a character input mode used as the character input key,
A communication control method, wherein when an operation is performed on the operation key in the standby state, text data corresponding to the operation content is transmitted to a transmission destination indicated by the address information in the storage unit.

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