JP2006295639A - E-mail transmission method, mobile device and external terminal suitable to be used for e-mail transmission method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an e-mail transmitting method capable of automatically transmitting e-mail information from a mobile machine to an external terminal, even if the user does not demand the e-mail information to the mobile machine anew, the mobile machine and the terminal suitable to be used for the e-mail transmitting method. <P>SOLUTION: The e-mail transmitting method includes a step in which the mobile machine 10 receives an e-mail through a data channel during setting of a first sound channel and a second sound channel; a step in which the mobile machine 10 transmits e-mail receiving notification, indicating that the e-mail is received through the data channel to the external terminal 20 through a control channel; a step in which the external terminal 20 demands the e-mail information to the mobile machine 10, according to the e-mail receiving notification; and a step in which the mobile machine 10 transmits the e-mail information to the external terminal 20 through the control channel, when setting of the first sound channel and the second sound channel is completed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  A mobile device capable of setting a first voice channel for sending and receiving voice information and a data channel for sending and receiving mail to and from the network side, and for sending and receiving voice information to and from this mobile device The present invention relates to an external terminal capable of setting a second voice channel and a control channel for transmitting and receiving control information, and a mail transmission method using the mobile device and the external terminal.

  Conventionally, a first audio channel for transmitting / receiving audio information to / from the network side, a first control channel for transmitting / receiving first control information used for setting the first audio channel, and A mobile device capable of setting a data channel for sending and receiving mail is known (for example, Patent Document 1).

  A mobile device that can be connected to an external terminal (such as a personal computer or a car navigation system) through a short-range communication network (for example, a Bluetooth network) is known (for example, Patent Document 2). This mobile device transmits / receives second control information used for setting a second audio channel, a first audio channel, and a second audio channel for transmitting / receiving audio information to / from an external terminal. A second control channel is set up for this purpose.

  Here, the mobile device described above transmits the mail information (the contents of the mail and the mail list) related to the mail received from the network side to the external terminal through the second control channel for transmitting and receiving the second control information. At the same time, a mail to be transmitted to the network side is received from the external terminal.

  The external terminal encodes the audio information input to the external terminal using a microphone or the like, transmits the encoded audio information to the mobile device through the second audio channel, and transmits the encoded audio information to the external terminal using a keyboard or the like. The input mail is encoded, and the encoded mail is transmitted to the mobile device through the second control channel.

  In addition, the external terminal decodes the voice information received from the mobile device through the second voice channel, outputs the decoded voice information from the speaker, and receives the mail information received from the mobile device through the second control channel. And decrypted mail information is output to the display device.

Note that the above-described mobile station sets the second voice channel and the second control channel simultaneously using time division multiplexing (TDM), frequency division multiplexing (FDM), or the like.
JP 2003-125451 A JP 2003-283893 A

  However, during the setting of the above-described audio channels (first audio channel and second audio channel), the second control channel is used to transmit and receive control information.

  For this reason, the mobile device described above cannot transmit mail information to an external terminal during setting of a voice channel.

  Therefore, the user has to request mail information again from the mobile device after the setting of the voice channel is completed.

  Therefore, the present invention has been made to solve the above-described problem. After the voice channel setting is completed, the user can send an external request from the mobile device without requesting mail information from the mobile device. An object is to provide a mail transmission method capable of automatically transmitting mail information to a terminal, a mobile device suitable for use in the mail transmission method, and an external terminal.

  A first feature of the present invention is that a mobile device capable of setting a first voice channel for sending and receiving voice information and a data channel for sending and receiving mail with the network side is provided through a short-range communication network. An audio channel setting unit that sets a second audio channel for transmitting and receiving audio information to and from the connected external terminal, and a first audio channel and a second audio channel between the external terminal The control channel setting unit for setting a control channel for transmitting and receiving control information used for setting, and the setting status of the first voice channel and the second voice channel based on the control information transmitted and received through the control channel A monitoring unit for monitoring, a storage unit for storing mail received through the data channel during the setting of the first voice channel and the second voice channel, and a first sound A transmission unit that transmits the mail information related to the mail stored in the storage unit to the external terminal through the control channel when the monitoring unit detects that the setting of the channel and the second voice channel is completed. This is the gist.

  According to such a feature, the mobile device monitors the setting status of the first voice channel and the second voice channel to thereby receive the mail information (mail list or mail) related to the mail received during the setting of the two voice channels. The mail information can be automatically transmitted to the external terminal even if the user does not request again.

  In the first feature of the present invention, the transmission unit indicates that the mail cannot be transmitted when the mail is received through the data channel during the setting of the first voice channel and the second voice channel. The error information is preferably transmitted to the external terminal through the control channel.

  In the first feature of the present invention, it is preferable that the transmission unit transmits a list of mails stored in the storage unit to the external terminal as mail information.

  In the first feature of the present invention, the mobile device includes a determination unit that determines whether or not to transmit the mail stored in the storage unit to the external terminal, and the transmission unit stores the mail stored in the storage unit. Among them, it is preferable that only the mail determined to be transmitted to the external terminal by the determination unit is transmitted to the external terminal.

  The second feature of the present invention is that the first voice channel for sending and receiving voice information and the data channel for sending and receiving mail are connected to the network side through a short-range communication network. Used to set a first audio channel and a second audio channel, and an audio channel setting unit that sets a second audio channel for transmitting and receiving audio information with the mobile device. A control channel setting unit that sets a control channel for transmitting / receiving control information to / from a mobile station, and a setting status of the first voice channel and the second voice channel based on control information transmitted / received through the control channel When the monitoring unit detects that the setting of the first audio channel and the second audio channel has been completed, the mobile unit receives from the network side. A request to transmit mail information relating to e-mail, and the gist that a transmission unit that transmits to the mobile station via a control channel.

  According to this feature, when the external terminal detects that the setting of the first voice channel and the second voice channel is completed, the external terminal automatically issues a transmission request for mail information related to the mail received by the mobile device. By transmitting to the mobile device, the mail information can be sent from the mobile device even if the user does not request the mail information (email list or contents of the mail) related to the mail received by the mobile device during the setting of the two voice channels. Can be received automatically.

  In the second aspect of the present invention, it is preferable that the transmission unit transmits a mail list transmission request to the mobile device as a mail information transmission request.

  According to a third aspect of the present invention, a mobile device capable of setting a first audio channel for transmitting / receiving audio information and a data channel for transmitting / receiving mail to / from the network side, and moving through a short-range communication network A second audio channel for transmitting / receiving audio information and a control channel for transmitting / receiving control information used for setting the first audio channel and the second audio channel to the mobile device. In a communication system configured with an external terminal that can be set between, a mail transmission method in which a mobile device transmits mail information related to a mail to the external terminal, the mobile device includes a first voice channel and a second voice channel. Receiving emails through the data channel during the configuration of the email and email receipt notification indicating that the mobile device has received emails through the data channel A step of transmitting to the external terminal through the control channel, a step of the external terminal requesting mail information from the mobile station in response to the mail reception notification, and the mobile station of the first voice channel and the second voice channel And a step of transmitting mail information to an external terminal through a control channel when the setting is completed.

  According to the present invention, an e-mail transmission method capable of automatically transmitting e-mail information from a mobile device to an external terminal without requiring a user to request e-mail information from the mobile device again. A suitable mobile device and external terminal can be provided.

(Configuration of communication system according to one embodiment of the present invention)
Hereinafter, the configuration of a communication system according to an embodiment of the present invention will be described. FIG. 1 is a diagram showing a configuration of a communication system according to an embodiment of the present invention.

  As shown in FIG. 1, a communication system according to an embodiment of the present invention includes a mobile device 10, an external terminal 20 that can be connected to the mobile device 10 via a short-range communication network (for example, a Bluetooth network), and a mobile device. The terminal 10 (voice call terminal 200 and mail transmission terminal 300) that can be connected to the machine 10 via the network 80.

  The mobile device 10 transmits / receives voice information to / from the voice call terminal 200 connected via the network 80 and transmits / receives mail to / from the mail transmission terminal 300 connected via the network 80.

  Specifically, the mobile device 10 has a first voice channel for transmitting / receiving voice information to / from the network 80 side (base station), and a first voice channel used for setting the first voice channel. A first control channel for transmitting / receiving control information and a data channel for transmitting / receiving mail can be set.

  That is, the mobile device 10 transmits / receives voice information to / from the voice call terminal 200 through the first voice channel set with the network 80 side (base station), and communicates with the network 80 side (base station). Mail is transmitted / received to / from the mail transmission terminal 300 through the data channel set between them.

  The first control information is information used for calling the voice call terminal 200, information used for authenticating the validity of the mobile device 10, and a method for modulating / demodulating voice information transmitted / received through the first voice channel. And information for specifying the encoding / decoding method.

  On the other hand, the mobile device 10 receives externally connected voice information received from the network 80 side (voice call terminal 200) and mail received from the network 80 side (mail transmission terminal 300) via a short-range communication network. It transmits to the terminal 20. In addition, the mobile device 10 transmits voice information to be transmitted to the network 80 side (voice call terminal 200) and mail to be transmitted to the network 80 side (mail transmission terminal 300) via an external network connected via a short-range communication network. Receive from terminal 20.

  Specifically, the mobile device 10 is a second audio channel for transmitting and receiving audio information between the mobile device 10 and the external terminal 20 (for example, a synchronous channel corresponding to the SCO link in the Bluetooth standard). A second control channel (for example, an asynchronous channel corresponding to an ACL link in the Bluetooth standard) for transmitting and receiving second control information used for setting the first voice channel and the second voice channel. It can be set. The second control channel is used for sending and receiving mail in addition to the second control information.

  That is, the mobile device 10 transmits the voice information received from the network 80 side (voice call terminal 200) to the external terminal 20 through the second voice channel set up with the external terminal 20, and the network 80 side ( Voice information to be transmitted to the voice call terminal 200) is received from the external terminal 20. In addition, the mobile device 10 transmits the mail received from the network 80 side (mail sending terminal 300) to the external terminal 20 through the second control channel set with the external terminal 20, and the network 80 side (mail A mail to be transmitted to the transmission terminal 300) is received from the external terminal 20.

  The second control information includes a transmission request, a transmission request reception notification, a call start notification, a ringback tone, a voice channel setting notification, a modulation / demodulation method of voice information transmitted / received through the second voice channel, Information for specifying an encoding / decoding method.

  The external terminal 20 transmits voice information input to the microphone or the like to the mobile device 10 and outputs (displays) the mail received from the mobile device 10 to a liquid crystal display device or the like.

  Similarly to the mobile device 10, the external terminal 20 corresponds to the second audio channel (for example, the SCO link in the Bluetooth standard) for transmitting / receiving audio information between the external terminal 20 and the mobile device 10. A synchronous channel) and a second control channel for transmitting / receiving the second control information (for example, in the Bluetooth standard, an asynchronous channel corresponding to an ACL link) can be set.

  The voice call terminal 200 transmits and receives voice information to and from the mobile device 10 connected via the network 80. Specifically, the voice call terminal 200 is a mobile device 30 or a fixed telephone 40.

  The mail transmitting terminal 300 transmits mail to the mobile device 10 connected via the network 80. Specifically, the mail transmission terminal 300 is a personal computer 50, a mobile device 60, or the like.

(Configuration of mobile device according to one embodiment of the present invention)
Hereinafter, the configuration of a mobile device according to an embodiment of the present invention will be described with reference to the drawings. FIG. 2 is a block diagram illustrating a configuration of the mobile device 10 according to an embodiment of the present invention.

  As shown in FIG. 2, the mobile device 10 includes an antenna 11a, an antenna 11b, a modulation / demodulation unit 12, a voice encoding / decoding unit 13, a data encoding / decoding unit 14, and a monitoring unit 15. And a control unit 16 and a storage unit 17.

  The antenna 11a receives voice information, first control information, and mail from the network 80 side. Specifically, the antenna 11a receives voice information from the network 80 side through the first voice channel, receives first control information from the network 80 side through the first control channel, and passes through the data channel. A mail is received from the network 80 side.

  Further, the antenna 11a transmits voice information, first control information, and mail to the network 80 side. Specifically, the antenna 11a transmits audio information to the network 80 side through the first audio channel, transmits first control information to the network 80 side through the first control channel, and transmits through the data channel. The mail is transmitted to the network 80 side.

  The antenna 11b receives voice information, second control information, mail, and the like from the external terminal 20. Specifically, the antenna 11b receives audio information from the external terminal 20 through the second audio channel, and receives second control information, mail, and the like from the external terminal 20 through the second control channel.

  Further, the antenna 11b transmits voice information, second control information, mail information, and the like to the external terminal 20. Specifically, the antenna 11b transmits audio information to the external terminal 20 through the second audio channel, and transmits second control information and e-mail information (e-mail list and mail contents) through the second control channel. Is transmitted to the external terminal 20.

  In the present embodiment, the antenna 11b constitutes a transmission unit that transmits mail information (mail list and contents of mail) related to mail received by the mobile device 10 through the data channel to the external terminal 20.

  The modulation / demodulation unit 12 demodulates the voice information, the first control information, the mail, and the like received from the network 80 according to a demodulation method decided in advance with the network 80. The modulation / demodulation unit 12 modulates voice information, first control information, mail, and the like transmitted to the network 80 according to a modulation method determined in advance with the network 80.

  The modulation / demodulation unit 12 demodulates voice information, second control information, mail, and the like received from the external terminal 20 in accordance with a demodulation method determined in advance with the external terminal 20. In addition, the modulation / demodulation unit 12 modulates voice information, second control information, mail, and the like to be transmitted to the external terminal 20 in accordance with a modulation method determined in advance with the external terminal 20.

  The voice encoding / decoding unit 13 decodes the voice information received from the network 80 side in accordance with a decoding method decided in advance with the network 80 side. Also, the voice encoding / decoding unit 13 encodes voice information to be transmitted to the network 80 side in accordance with a coding method determined in advance with the network 80 side.

  The voice encoding / decoding unit 13 decodes the voice information received from the external terminal 20 in accordance with a decoding method decided in advance with the external terminal 20. In addition, the voice encoding / decoding unit 13 uses an encoding method (for example, CVSD (Continuous Variable Slope Delta), μ-law log PCM, A-law in the Bluetooth standard) determined in advance with the external terminal 20. The audio information to be transmitted to the external terminal 20 is encoded according to log PCM).

  The data encoding / decoding unit 14 decodes the first control information and the mail received from the network 80 side in accordance with a decoding method decided in advance with the network 80 side. Further, the data encoding / decoding unit 14 encodes the first control information to be transmitted to the network 80 side in accordance with an encoding method decided in advance with the network 80 side.

  The data encoding / decoding unit 14 decodes the second control information received from the external terminal 20 in accordance with a decoding method decided in advance with the external terminal 20. Further, the data encoding / decoding unit 14 encodes the second control information and mail information to be transmitted to the external terminal 20 according to an encoding method decided in advance with the external terminal 20.

  Based on the second control information decoded (or encoded) by the data encoding / decoding unit 14, the monitoring unit 15 performs the first audio channel and the second audio channel (two audio channels). Monitor the setting status.

  Specifically, the monitoring unit 15 detects that the setting of two audio channels has been started, and notifies the control unit 16 that the setting of two audio channels has been started. In addition, the monitoring unit 15 detects that the setting of the two audio channels is completed, and notifies the control unit 16 that the setting of the two audio channels is completed.

  For example, the monitoring unit 15 detects that the setting of two voice channels has been started by monitoring a call request for starting a call with the voice call terminal 200 as the second control information. In addition, the monitoring unit 15 can transmit and receive audio information through the second audio channel and information indicating that the audio information can be transmitted and received through the first audio channel (such as ACK received from the network 80 side). Information indicating this (such as an ACK received from the external terminal 20) is monitored as the second control information to detect that the setting of the two voice channels has been completed.

  Note that the monitoring unit 15 may be configured to monitor the information amount of the second control information transmitted / received through the second control channel. Specifically, when the information amount of the second control information is larger than a predetermined threshold, the monitoring unit 15 controls that only the second control information can be transmitted / received through the second control channel. Notification to the unit 16. Further, when the information amount of the second control information is smaller than the predetermined threshold, the monitoring unit 15 confirms that mail information can be transmitted / received through the second control channel in addition to the second control information. Notify the control unit 16.

  The control unit 16 sets the second control channel and the second audio channel with the external terminal 20.

  For example, when the mobile device 10 and the external terminal 20 are terminals compatible with the Bluetooth standard, the control unit 16 agrees the frequency hopping pattern with the external terminal 20, thereby the asynchronous channel (corresponding to the ACL link ( (Second control channel) is set. Further, the control unit 16 sets a synchronous channel (second audio channel) corresponding to the SCO link by agreeing with the external terminal 20 on the audio information encoding method, slot period, and the like.

  The control unit 16 determines whether or not the mail received through the data channel is a mail to be transferred to the external terminal 20. Specifically, the control unit 16 determines that the received mail is to be transferred to the external terminal 20 when the destination or title of the received mail matches a preset transfer condition. On the other hand, the mobile device 10 determines that the received mail is not transferred to the external terminal 20 when the destination and title of the received mail do not match the preset transfer conditions.

  In addition, the control unit 16 starts the setting of the two voice channels until the setting of the two voice channels is completed (during the setting of the two voice channels). Among these, the mail determined to be transferred to the external terminal 20 is stored in the storage unit 17.

  Furthermore, when the monitoring unit 15 detects that the setting of the two voice channels is completed, the control unit 16 displays the mail information (mail list and mail contents) related to the mail stored in the storage unit 17. The antenna 11b is instructed to transmit to the external terminal 20 through the second control channel.

  In the present embodiment, the control unit 16 configures an audio channel setting unit that sets a second audio channel for transmitting and receiving audio information to and from the external terminal 20.

  In addition, the control unit 16 transmits / receives control information (second control information) used for setting the first audio channel and the second audio channel to / from the external terminal 20 (second control information). 2 control channels) is configured.

  Furthermore, the control unit 16 constitutes a determination unit that determines whether or not to transmit the mail stored in the storage unit 17 to the external terminal 20 through the control channel (second control channel).

  The storage unit 17 stores mail received through the data channel during the setting of the two audio channels.

(Configuration of external terminal according to an embodiment of the present invention)
Hereinafter, the configuration of the external terminal 20 according to an embodiment of the present invention will be described with reference to the drawings. FIG. 3 is a block diagram showing a configuration of the external terminal 20 according to an embodiment of the present invention.

  As shown in FIG. 3, the external terminal 20 includes an antenna 21, a modulation / demodulation unit 22, a speech encoding / decoding unit 23, a data encoding / decoding unit 24, a control unit 25, and an input unit. 26 and an output unit 27.

  The antenna 21 receives voice information, second control information, mail information, and the like from the mobile device 10. Specifically, the antenna 21 receives voice information from the mobile device 10 through the second voice channel, and receives second control information and mail information (mail list and mail contents) through the second control channel. Is received from the mobile device 10.

  In addition, the antenna 21 transmits voice information, second control information, mail, and the like to the mobile device 10. Specifically, the antenna 21 transmits audio information to the mobile device 10 through the second audio channel, and transmits second control information, mail, and the like to the mobile device 10 through the second control channel.

  In the present embodiment, the antenna 21 constitutes a transmission unit that transmits a mail information transmission request (a mail list request and a mail request described later) to the mobile device 10 through a control channel (second control channel).

  The modulation / demodulation unit 22 demodulates voice information, second control information, mail information, and the like received from the mobile device 10 in accordance with a demodulation method determined in advance with the mobile device 10. Further, the modulation / demodulation unit 22 modulates voice information, second control information, mail, and the like to be transmitted to the mobile device 10 according to a modulation method determined in advance with the mobile device 10.

  The speech encoding / decoding unit 23 decodes the speech information received from the mobile device 10 according to a decoding method that is negotiated with the mobile device 10 in advance. In addition, the voice encoding / decoding unit 23 encodes voice information to be transmitted to the mobile device 10 according to an encoding method decided in advance with the mobile device 10.

  The data encoding / decoding unit 24 decodes the second control information, the mail information, and the like received from the mobile device 10 according to a decoding method decided in advance with the mobile device 10. Further, the data encoding / decoding unit 14 encodes second control information, mail, and the like to be transmitted to the mobile device 10 in accordance with an encoding method determined in advance with the mobile device 10.

  The control unit 25 sets the second control channel and the second voice channel with the mobile device 10.

  For example, when the mobile device 10 and the external terminal 20 are terminals compatible with the Bluetooth standard, the control unit 25 agrees the frequency hopping pattern with the mobile device 10, and thereby the asynchronous channel ( (Second control channel) is set. Further, the control unit 25 sets a synchronous channel (second audio channel) corresponding to the SCO link by agreeing with the mobile device 10 on the audio information encoding method, the slot period, and the like.

  In the present embodiment, the control unit 25 configures an audio channel setting unit that sets a second audio channel for transmitting and receiving audio information to and from the mobile device 10.

  Further, the control unit 25 transmits / receives control information (second control information) used for setting the first voice channel and the second voice channel to / from the mobile device 10 (second control information). 2 control channels) is configured.

  The input unit 26 transmits the voice information input to the microphone or the like by the user and the mail created by the user to the voice encoding / decoding unit 23.

  The output unit 27 outputs the voice information decoded by the data encoding / decoding unit 24 from the speaker, and the mail information (mail list and mail contents) decoded by the data encoding / decoding unit 24. Output (display) on the display device.

(Operation of Communication System According to One Embodiment of the Present Invention)
The operation of the communication system according to one embodiment of the present invention will be described below with reference to the drawings. FIG. 4 is a sequence diagram showing an operation of the communication system according to the embodiment of the present invention.

  As shown in FIG. 4, in step 11, the external terminal 20 sends a call request (including the telephone number of the voice call terminal 200) for starting a call with the voice call terminal 200 selected by the user. Transmit to the mobile station 10 through the second control channel.

  In step 12, the mobile device 10 transmits a call request acceptance notification indicating that the call request has been accepted, to the external terminal 20 through the second control channel.

  In step 13, the mobile device 10 calls the voice call terminal 200 selected by the user, and the network 80 authenticates the validity of the mobile device 10. Specifically, the mobile device 10 calls the voice call terminal 200 by transmitting the telephone number of the voice call terminal 200 to the network 80 side. Further, the network 80 side authenticates the validity of the mobile device 10 by receiving the telephone number (or ID) of the mobile device 10 from the mobile device 10.

  In step 14, the mobile device 10 transmits a call start notification indicating that the call of the voice call terminal 200 selected by the user has been started to the mobile device 10 through the second control channel.

  In step 15, the network 80 transmits a ring back tone to the external terminal 20 via the mobile device 10.

  In step 16, the mobile device 10 receives a mail from the network 80 side (mail transmission terminal 300) through the data channel.

  In step 17, the mobile device 10 transmits a mail reception notification indicating that a mail has been received to the external terminal 20 through the second control channel.

  In step 18, the external terminal 20 transmits a mail list request for requesting a list of mails received by the mobile device 10 to the mobile device 10 through the second control channel.

  In step 19, the mobile device 10 transmits an error notification indicating that the mail list cannot be transmitted to the external terminal 20 through the second control channel in response to the received mail list request.

  The mail reception notification, the mail list request, and the error notification have a smaller amount of information than the mail information (the mail list and the contents of the mail), so even if the first voice channel and the second voice channel are being set. Can be transmitted and received through the second control channel.

  In Step 20, the mobile device 10 sets the first voice channel with the network 80 side. That is, the mobile device 10 detects that the setting of the first voice channel has been completed.

  In step 21, the mobile device 10 transmits a first voice channel setting notification indicating that the setting of the first voice channel is completed to the external terminal 20 through the second control channel.

  In step 22, the mobile device 10 sets the second voice channel with the external terminal 20. That is, the mobile device 10 detects that the setting of the second audio channel has been completed.

  For example, the mobile device 10 agrees with the external terminal 20 on the audio information encoding method, slot period, and the like, thereby setting a synchronous channel (second audio channel) corresponding to the SCO link.

  In step 23, the external terminal 20 starts a call with the voice call terminal 200 selected by the user. The mobile device 10 transmits the voice information received from the external terminal 20 through the second voice channel to the network 80 side through the first voice channel. In addition, the mobile device 10 transmits the voice information received from the network 80 side through the first voice channel to the external terminal 20 through the second voice channel.

  In Step 24, the mobile device 10 starts setting the first voice channel and the second voice channel (two voice channels) until the setting of the two voice channels is completed (two voice channels). During the channel setting), the mail list (mail list) received through the data channel is transmitted to the external terminal 20 through the second control channel.

  In step 25, the external terminal 20 outputs (displays) the mail list received through the second control channel on the display device.

  In step 26, the external terminal 20 transmits a mail request for requesting transmission of the mail selected by the user from the mail list displayed on the display device to the mobile device 10 through the second control channel.

  In step 27, the mobile device 10 transmits the mail stored in the storage unit 17 to the external terminal 20 through the second control channel in response to the received mail request.

  In step 28, the external terminal 20 outputs (displays) the mail received through the second control channel on the display device.

  Hereinafter, the operation of the mobile device 10 when mail is received through the data channel will be described with reference to the drawings. FIG. 5 is a flowchart showing the operation of the mobile device 10 according to the embodiment of the present invention.

  As shown in FIG. 5, in step 101, the mobile device 10 receives a mail through a data channel.

  In step 102, the mobile device 10 determines whether the mail received through the data channel is a mail to be transferred to the external terminal 20. Specifically, the mobile device 10 determines that the received mail is to be transferred to the external terminal 20 if the destination and title of the received mail match the preset transfer conditions, and the step The process proceeds to 103. In addition, when the destination and title of the received mail do not match the preset transfer conditions, the mobile device 10 determines that the received mail is not transferred to the external terminal 20 and ends the mail reception process.

  In step 103, the mobile device 10 stores the received mail in the storage unit 17.

  In step 104, the mobile device 10 transmits a mail reception notification indicating that a mail has been received through the data channel to the external terminal 20 through the second control channel.

  In step 105, the mobile device 10 receives a mail list request for requesting transmission of the received mail list (mail list) from the external terminal 20 through the second control channel.

  In Step 106, the mobile device 10 determines whether or not the first voice channel and the second voice channel (two voice channels) are being set.

  Specifically, the mobile device 10 has started setting two audio channels based on the second control information transmitted and received through the second control channel, and has finished setting the two audio channels. Detect that. Thereby, the mobile device 10 determines whether or not two audio channels are being set.

  The mobile device 10 proceeds to the process of step 107 when two audio channels are being set, and proceeds to the process of step 109 when two audio channels are not being set.

  In step 107, the mobile device 10 transmits an error notification indicating that the mail list cannot be transmitted to the external terminal 20 through the second control channel in response to the mail list request.

  In step 108, the mobile device 10 monitors the setting status of the two voice channels until it detects that the setting of the two voice channels is completed. Further, when the mobile device 10 detects that the setting of the two audio channels has been completed, the mobile device 10 proceeds to the processing of step 109.

  In step 109, the mobile device 10 generates a mail list (mail list) stored in the storage unit 17. It is assumed that the mail list includes the mail address and title.

  In step 110, the mobile device 10 transmits the generated mail list to the external terminal 20 through the second control channel.

  In step 111, the mobile device 10 receives a mail request for requesting transmission of the mail selected by the user referring to the mail list from the external terminal 20 through the second control channel.

  In step 112, the mobile device 10 transmits the mail (contents) stored in the storage unit 17 to the external terminal 20 through the second control channel in response to the mail request.

(Operation and effect of the communication system according to an embodiment of the present invention)
According to the communication system according to the present embodiment, the mobile device 10 monitors the setting status of the first voice channel and the second voice channel (two voice channels), thereby sending the mail list to the mobile device 10. Even if the user does not request it, the mail list can be automatically transmitted to the external terminal 20.

(Modification 1)
Hereinafter, a modified example of the above-described embodiment will be described with reference to the drawings. In the following, differences from the above-described embodiment will be mainly described.

  Specifically, in the above-described embodiment, the setting status of the first voice channel and the second voice channel (two voice channels) is monitored by the mobile device 10, but in this modification example, It is assumed that monitoring is performed by the external terminal 20. That is, the control unit 25 of the external terminal 20 sets the first audio channel and the second audio channel based on control information (second control information) transmitted and received through the control channel (second control channel). Monitor the situation.

  FIG. 6 is a sequence diagram showing the operation of the communication system according to the modified example of the present invention. As shown in FIG. 6, in step 31, the external terminal 20 transmits a call request for starting a call with the voice call terminal 200 selected by the user to the mobile device 10 through the second control channel. To do.

  In step 32, the mobile device 10 transmits a call request acceptance notification indicating that the call request has been accepted, to the external terminal 20 through the second control channel.

  In step 33, the mobile device 10 calls the voice call terminal 200 selected by the user, and the network 80 authenticates the validity of the mobile device 10.

  In step 34, the mobile device 10 transmits a call start notification indicating that the call of the voice call terminal 200 selected by the user has been started to the mobile device 10 through the second control channel.

  In step 35, the network 80 transmits a ringback tone to the external terminal 20 via the mobile device 10.

  In step 36, the mobile device 10 receives mail from the network 80 side (mail sending terminal 300) through the data channel.

  In step 37, the mobile device 10 transmits a mail reception notification indicating that the mail has been received, to the external terminal 20 through the second control channel. Note that the external terminal 20 does not transmit a mail list request to the mobile device 10 because the first audio channel and the second audio channel are being set.

  In step 38, the mobile device 10 sets the first voice channel with the network 80 side.

  In step 39, the mobile device 10 transmits a first voice channel setting notification indicating that the setting of the first voice channel is completed to the external terminal 20 through the second control channel. That is, the external terminal 20 detects that the setting of the first audio channel has been completed.

  In step 40, the mobile device 10 sets a second voice channel with the external terminal 20. That is, the external terminal 20 detects that the setting of the second audio channel has been completed.

  In step 41, the external terminal 20 starts a call with the voice call terminal 200 selected by the user. The mobile device 10 transmits the voice information received from the external terminal 20 through the second voice channel to the network 80 side through the first voice channel. In addition, the mobile device 10 transmits the voice information received from the network 80 side through the first voice channel to the external terminal 20 through the second voice channel.

  In step 42, the external terminal 20 transmits a mail list request for requesting a list of mails (mail list) received by the mobile device 10 to the mobile device 10 through the second control channel.

  In step 43, the mobile device 10 starts setting the first audio channel and the second audio channel (two audio channels) until the setting of the two audio channels ends (two audio channels). During the channel setting), the mail list (mail list) received through the data channel is transmitted to the external terminal 20 through the second control channel.

  In step 44, the external terminal 20 outputs (displays) the mail list received through the second control channel to the display device.

  In step 45, the external terminal 20 transmits a mail request for requesting transmission of the mail selected by the user from the mail list displayed on the display device to the mobile device 10 through the second control channel.

  In step 46, the mobile device 10 transmits the mail stored in the mobile device 10 to the external terminal 20 through the second control channel in response to the received mail request.

  In step 47, the external terminal 20 outputs (displays) the mail received through the second control channel on the display device.

  Hereinafter, the operation of the external terminal 20 when a mail reception notification is received through the second control channel will be described with reference to the drawings. FIG. 7 is a flowchart showing the operation of the external terminal 20 according to a modification of the present invention.

  As shown in FIG. 7, in step 201, the external terminal 20 receives a mail reception notification indicating that the mobile device 10 has received a mail through the data channel from the mobile device 10 through the second control channel.

  In step 202, the external terminal 20 determines whether or not the first audio channel and the second audio channel (two audio channels) are being set.

  Specifically, the external terminal 20 has started setting two audio channels based on the second control information transmitted / received through the second control channel, and has finished setting the two audio channels. Detect that. Thereby, the external terminal 20 determines whether two audio channels are being set.

  The external terminal 20 proceeds to the process of step 203 when two audio channels are being set, and proceeds to the process of step 204 when two audio channels are not being set.

  In step 203, the external terminal 20 monitors the setting status of the two audio channels until it detects that the setting of the two audio channels has been completed. Further, when the external terminal 20 detects that the setting of the two audio channels has been completed, the process proceeds to step 204.

  In step 204, the external terminal 20 transmits a mail list request for requesting transmission of a mail list (mail list) stored in the mobile device 10 to the mobile device 10 through the second control channel.

  In step 205, the external terminal 20 receives the mail list transmitted in response to the mail list request from the mobile device 10 through the second control channel.

  In step 206, the external terminal 20 outputs (displays) the received mail list.

  In step 207, the external terminal 20 transmits a mail request for requesting transmission of the mail selected by the user from the displayed mail list to the mobile device 10 through the second control channel.

  In step 208, the external terminal 20 receives the mail transmitted in response to the mail request from the mobile device 10 through the second control channel.

  In step 209, the external terminal 20 outputs (displays) the received mail.

  According to the communication system according to the present modification, the external terminal 20 receives the mobile device 10 when it detects that the setting of the first audio channel and the second audio channel (two audio channels) has been completed. By automatically transmitting a transmission request for the mail list (mail list) to the mobile device 10, the external terminal 20 can receive the mail list even if the user does not request the mobile device 10 for a mail list again. Can be automatically received from the mobile device 10.

(Modification 2)
Hereinafter, a modified example of the above-described embodiment will be described with reference to the drawings. In the following, differences from the above-described embodiment will be mainly described.

  Specifically, in the above-described embodiment, the mobile device 10 receives mail during the setting of the first voice channel and the second voice channel, but in the present modification, the first voice channel and the second voice channel are received. While the second audio channel is set, the external terminal 20 tries to send mail.

  For example, considering the case where the external terminal 20 is a car navigation system, the car navigation system may periodically send e-mails such as vehicle position information and vehicle speed information to the network 80 side. Assuming such a case, there is a possibility that the external terminal 20 tries to transmit mail to the network 80 side during the setting of the first voice channel and the second voice channel.

  FIG. 8 is a sequence diagram showing an operation of the communication system according to the modified example of the present invention. In addition, since the process of step 11-step 15 and step 20-step 23 is the same as that of embodiment (refer FIG. 4) mentioned above, the description is abbreviate | omitted.

  In step 16 a, the external terminal 20 generates a mail to be transmitted to the network 80 side via the mobile device 10.

  In step 17a, the external terminal 20 performs mail transmission confirmation for confirming whether or not the second control channel can be allocated for transmitting the generated mail through the second control channel. Send to.

  In Step 18a, since the mobile device 10 is setting up the first voice channel and the second voice channel, an error notification indicating that the second control channel cannot be allocated to transmit mail is sent. It transmits to the external terminal 20 through the second control channel.

  In step 24a, the mobile device 10 detects that the setting of the first voice channel and the second voice channel has been completed, and assigns a second control channel to transmit mail. Check. In addition, the mobile device 10 transmits a mail transmission request for requesting mail transmission to the external terminal 20 through the second control channel.

  In step 25a, the external terminal 20 transmits the mail generated in step 16a to the mobile device 10 through the second control channel. In step 26a, the mobile device 10 transmits the received mail to the network 80 side through the data channel. Send to.

  According to the communication system according to this modified example, when the mobile station 10 detects that the setting of the first voice channel and the second voice channel (two voice channels) has been completed, By transmitting to the terminal 20, the external terminal 20 can generate and automatically transmit a mail to the mobile device 10 during the setting of the two voice channels, even if the user does not request again.

(Modification 3)
Hereinafter, a modified example of the above-described embodiment will be described with reference to the drawings. In the following, differences from the above-described embodiment will be mainly described.

  Specifically, in the above-described embodiment, the mobile device 10 receives mail during the setting of the first voice channel and the second voice channel, but in the present modification, the first voice channel and the second voice channel are received. While the second audio channel is set, the external terminal 20 tries to send mail.

  In the above-described embodiment, the setting status of the first voice channel and the second voice channel (two voice channels) is monitored by the mobile device 10, but in the present modification, the external terminal 20 Is being monitored by

  FIG. 9 is a sequence diagram showing an operation of the communication system according to the modified example of the present invention. In addition, since the process of step 31-step 35 and step 38-step 41 is the same as that of embodiment mentioned above (refer FIG. 6), the description is abbreviate | omitted.

  In step 36 a, the external terminal 20 generates a mail to be transmitted to the network 80 side via the mobile device 10. In addition, the external terminal 20 confirms that the second control channel cannot be allocated to transmit mail because the first audio channel and the second audio channel are being set.

  In step 42a, the external terminal 20 detects that the setting of the first voice channel and the second voice channel has been completed, and transmits the mail generated in step 36a to the mobile device 10 through the second control channel. .

  In step 43a, the mobile device 10 transmits the mail received from the external terminal 20 to the network 80 side through the data channel.

  According to the communication system according to the present modification, the external terminal 20 detects that the setting of the first audio channel and the second audio channel (two audio channels) has been completed, so that the user requests again. Even if not, it can be generated during the setting of the two voice channels and automatically sent to the mobile device 10.

  In the present invention, a channel between the mobile device 10 and the network 80 (first voice channel, first control channel and data channel), and a channel between the mobile device 10 and the external terminal 20 are used. (Second audio channel and second control channel) are set according to a predetermined communication protocol in the communication system according to the present embodiment (or the modification).

  Further, the present invention is not limited to the above-described embodiment (or modified example), and the first voice channel, the first control channel, and the data channel between the mobile device 10 and the network 80 side. Even when using any communication protocol that can set the second voice channel and the second control channel between the mobile device 10 and the external terminal 20, the present invention can be applied. is there.

It is a figure which shows the structure of the communication system which concerns on one Embodiment of this invention. It is a block diagram which shows the structure of the moving apparatus 10 which concerns on one Embodiment of this invention. It is a block diagram which shows the structure of the external terminal 20 which concerns on one Embodiment of this invention. It is a sequence diagram which shows operation | movement of the communication system which concerns on one Embodiment of this invention. It is a flowchart which shows operation | movement of the moving apparatus 10 which concerns on one Embodiment of this invention. It is a sequence diagram which shows operation | movement of the communication system which concerns on the example of a change of this invention. It is a flowchart which shows operation | movement of the external terminal 20 which concerns on the example of a change of this invention. It is a sequence diagram which shows operation | movement of the communication system which concerns on the example of a change of this invention. It is a sequence diagram which shows operation | movement of the communication system which concerns on the example of a change of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Mobile station, 11a, 11b ... Antenna, 12 ... Modulation / demodulation part, 13 ... Voice encoding / decoding part, 14 ... Data encoding / decoding part, 15 * ..Monitoring unit, 16 ... control unit, 17 ... storage unit, 20 ... external terminal, 21 ... antenna, 22 ... modulation / demodulation unit, 23 ... voice encoding / decoding , 24 ... Data encoding / decoding part, 25 ... Control part, 26 ... Input part, 27 ... Output part, 30 ... Mobile device, 40 ... Fixed telephone, 50 ... Personal computer, 60 ... Mobile device, 80 ... Network, 200 ... Voice call terminal, 300 ... Mail transmission terminal

Claims (7)

A mobile device capable of setting a first voice channel for sending and receiving voice information and a data channel for sending and receiving mail with the network side,
A voice channel setting unit that sets a second voice channel for transmitting and receiving the voice information to and from an external terminal connected through a near field communication network;
A control channel setting unit that sets a control channel for transmitting and receiving control information used to set the first voice channel and the second voice channel with the external terminal;
A monitoring unit for monitoring a setting status of the first voice channel and the second voice channel based on the control information transmitted and received through the control channel;
A storage unit for storing the mail received through the data channel during the setting of the first voice channel and the second voice channel;
When the monitoring unit detects that the setting of the first voice channel and the second voice channel is completed, the mail information related to the mail stored in the storage unit is transmitted through the control channel. A mobile device comprising: a transmission unit that transmits to an external terminal.   When the mail is received through the data channel during the setting of the first voice channel and the second voice channel, the transmission unit includes error information indicating that the mail cannot be transmitted. The mobile device according to claim 1, wherein the mobile station transmits to the external terminal through the control channel.   The mobile device according to claim 1, wherein the transmission unit transmits the mail list stored in the storage unit as the mail information. A determination unit for determining whether to transmit the mail stored in the storage unit to the external terminal;
The said transmission part transmits only the said mail determined to transmit to the said external terminal by the said determination part among the said mail memorize | stored in the said memory | storage part to the said external terminal. The mobile device according to claim 3. A mobile device capable of setting a first audio channel for transmitting / receiving audio information and a data channel for transmitting / receiving mail between the network side and an external terminal connected through a short-range communication network,
An audio channel setting unit for setting a second audio channel for transmitting and receiving the audio information with the mobile device;
A control channel setting unit for setting a control channel for transmitting and receiving control information used for setting the first voice channel and the second voice channel with the mobile device;
A monitoring unit for monitoring a setting status of the first voice channel and the second voice channel based on the control information transmitted and received through the control channel;
When the monitoring unit detects that the setting of the first voice channel and the second voice channel has been completed, a transmission request for mail information related to the mail received by the mobile device from the network side, An external terminal comprising: a transmission unit that transmits to the mobile device through the control channel.   The external terminal according to claim 5, wherein the transmission unit transmits the transmission request for the mail list to the mobile device as the transmission request for the mail information. A mobile station capable of setting a first voice channel for transmitting / receiving voice information and a data channel for transmitting / receiving mail between the network side and the mobile station via a short-range communication network; A control channel for transmitting and receiving control information used for setting the second voice channel for transmitting and receiving, the first voice channel and the second voice channel can be set with the mobile device. In a communication system configured with an external terminal, a mail transmission method in which the mobile device transmits mail information related to the mail to the external terminal,
The mobile receiving the mail through the data channel during the setting of the first voice channel and the second voice channel;
Transmitting a mail reception notification indicating that the mobile device has received the mail through the data channel to the external terminal through the control channel;
The external terminal requesting the mail information from the mobile device in response to the mail reception notification;
The mobile device includes a step of transmitting the mail information to the external terminal through the control channel when the setting of the first voice channel and the second voice channel is completed. Transmission method.

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