JP2001167018A - Mail communication device and mail communication management device - Google Patents

Abstract

(57) [Summary] [Problem] To facilitate mail selection and reduce user operations. SOLUTION: A control unit 16 attaches own position information (CS-ID, area information or latitude / longitude information) stored in a position information memory 19 to a created e-mail or a received e-mail and transmits the e-mail. Or save. Therefore, the transmitted e-mail can be processed using the transmission location as a key at the time of searching the transmission history or sorting the transmission history. Also, the received e-mail can be processed using the reception location as a key at the time of retrieving and reordering the reception history.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mail communication device for transmitting and receiving mail between terminals and a mail communication management device.

[0002]

2. Description of the Related Art Conventionally, wireless communication systems (cellular, PH
S: Personal Handy-Phone System) has the functions of creating, reading, sending, and receiving e-mails on the terminals. The function of sending and receiving e-mails directly between the terminals and the mail server in the system are provided. Provides a service that can receive e-mails and information services by a browser function.

[0003]

However, in an electronic mail system using a terminal according to the prior art, when selecting a necessary mail using a small display device of the terminal, a search in which a communication partner is designated in a time-series manner is performed. Only
There has been a problem that user operation is complicated and takes time.

[0004] Therefore, an object of the present invention is to provide a mail communication device and a mail communication management device which can easily select a mail and can reduce user operations.

[0005]

In order to achieve the above object, a mail communication apparatus according to the first aspect of the present invention is a mail communication apparatus for transmitting and receiving mail between terminals via a communication network, and indicates a current position of the mail communication apparatus. Position information acquiring means for acquiring position information, creating means for creating an e-mail, and transmitting means for attaching the position information acquired by the position information acquiring means to the e-mail created by the creating means and transmitting the mail It is characterized by.

According to another aspect of the present invention, there is provided a mail communication apparatus for transmitting / receiving mail between terminals via a communication network, wherein the mail communication apparatus acquires position information indicating its current position. Position information obtaining means, receiving means for receiving the mail, and storage means for storing the mail received by the receiving means with the position information obtained by the position information obtaining means attached thereto. .

In a preferred embodiment, for example, in the mail communication apparatus according to claim 1 or 2, the position information obtaining means includes a base station which controls a service area where the terminal is located. Identification information for identification may be obtained as position information.

[0008] In a preferred embodiment, for example, in the mail communication device according to the first or second aspect, the position information acquiring means is configured to detect a position of the terminal based on a radio wave transmitted from a geodetic satellite. Position information indicating the current position may be acquired.

According to another aspect of the present invention, there is provided a mail management apparatus for managing a transmission / reception of a mail via a communication network. Position information obtaining means for obtaining information, and transfer means for attaching the position information obtained by the position information obtaining means to a mail transmitted from the terminal on the transmitting side and transferring the mail to the receiving terminal. I do.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. A. Configuration of First Embodiment A-1. FIG. 1 is a diagram showing a portable communication terminal (PHS) according to an embodiment of the present invention.
FIG. 3 is a block diagram showing a configuration (No. 1) of a terminal. In the figure, reference numeral 10 denotes a transmission / reception unit, which comprises a frequency conversion unit and a modem. The receiving unit of the frequency conversion unit mixes the signal received by the antenna ANT with a local oscillation signal of a predetermined frequency output from the PLL synthesizer to convert the signal into an IF (intermediate frequency) signal in the vicinity of the 1.9 GHz band to the 1 MHz band. Perform frequency conversion. Further, the transmission unit of the frequency conversion unit uses a π / 4 shift Q supplied from a modem described later.
By mixing the PSK modulated wave with a local oscillation signal of a predetermined frequency output from the PLL synthesizer, 1.9 is obtained.
The frequency is converted to the GHz band and radiated from the antenna ANT via the antenna switch. Next, the receiving unit of the above-described modem demodulates the IF signal from the frequency converting unit, separates the IF signal into IQ data, forms a data sequence, and sends the data sequence to the communication control unit 11. Further, the transmitting unit of the modem creates IQ data from the data supplied from the communication control unit 11, modulates the data by π / 4 shift QPSK, and sends the modulated data to the frequency conversion unit of the transmitting / receiving unit 10.

Next, the communication control section 11 performs frame synchronization and slot data format processing. The receiving side of the communication control unit 11 extracts data for one slot from the received data supplied from the modem of the transmitting and receiving unit 10 at a predetermined timing, extracts a unique word (synchronization signal) from this data, and performs frame synchronization. After generating a signal and descrambling the control data section and the audio data section, the control data is sent to the control section 16 and the audio data is sent to the audio processing section 12. The transmitting side of the communication control unit 11 adds control data and the like to the audio data supplied from the audio processing unit 12, adds scramble and the like, and then adds a unique word and the like.
The transmission data for the slot is created, inserted into a predetermined slot in the frame at a predetermined timing, and transmitted to the modem of the transmission / reception unit 10.

Next, the audio processing unit 12 is composed of a speech codec and a PCM codec. The speech codec performs compression / expansion processing of digital data. The receiving side of the audio processing unit 12
The ADPCM audio signal (4
Bits × 8 KHz = 32 Kbps) are decompressed by decoding into PCM audio signals (8 bits × 8 KHz = 64 Kbps) and output to a PCM codec. The transmitting side of the audio processing unit 12 compresses the PCM audio signal supplied from the PCM codec by encoding the PCM audio signal into an ADPCM audio signal, and sends the signal to the communication control unit 11. The above-described PCM codec performs an analog / digital conversion process. The receiving side converts the PCM audio signal supplied from the speech codec into an analog audio signal by D / A conversion, causes the speaker 13 to generate a sound, and transmits the signal. The side converts the analog audio signal input from the microphone 14 to A /
The signal is converted into a PCM signal by D conversion and transmitted to the speech codec.

Next, the key input unit 15 includes a numeric key for inputting the telephone number of the other party, a switch for on-hook / off-hook, a volume switch for changing the voice output, and a mail for instructing the start of e-mail generation. It consists of a button, a send button for sending a mail, and the like. Next, the control unit 16 controls the entire apparatus according to a predetermined program. Further, the control unit 16 has a function of creating, transmitting, and receiving an e-mail according to a key input from a user. The ROM 17 stores programs executed by the control unit 16 and various parameters.
The RAM 18 stores data generated under the control of the control unit 16 and is used as a working area. The position information memory 19 stores CS-ID (or area information) for identifying the base station that controls the service area in which it is located, as information for indicating its own position. Next, the display unit 20 is composed of a liquid crystal display, and displays, under the control of the control unit 16, various data such as an operation mode, a telephone number, and a talk time, and an e-mail created or received.

A-2. 2. Configuration of Portable Communication Terminal (Part 2) Next, FIG. 2 is a block diagram showing a configuration (part 2) of a mobile communication terminal (PHS terminal) according to the embodiment of the present invention. In the figure, the parts corresponding to those in FIG. GPS (Global Positioning S
ystem) antenna 21 is a geodetic satellite (NAVSTAR: currently 24 orbiting the earth) launched by the U.S. Department of Defense, at least about 4 geodesic satellites (although less than this may be less, but the accuracy is reduced). Radio waves (1.22760G / 1.
57542 GHz) and supplies it to the GPS control unit 22. G
The PS control unit 22 calculates the phase of the radio wave (difference in reception timing) received by the GPS antenna 21 and performs triangulation between the receiver and the artificial satellite to obtain the latitude and longitude (. ) Acquire information and store it in the position information memory 19.

That is, the PHS terminal shown in FIG. 2 is different from the PHS terminal shown in FIG. 1 only in the means for acquiring its own position information, and the other configuration is the same. Operations described later are common to FIGS. 1 and 2 and can be realized by any configuration.

A-3. Communication System Configuration Next, FIG. 3 is a block diagram showing a schematic configuration of a communication system to which the above-described PHS terminal is applied. In the figure,
Reference numeral 30 denotes a normal analog telephone network or a dedicated digital network (hereinafter referred to as a communication network) laid all over the country. Next, the public base stations 31, 31 are installed in the communication network 30 at predetermined intervals, each have a service area (radio wave reachable range: communication range) with a radius of several hundred meters centered on itself. It is a relay station that connects the PHS terminals MS1 and MS2 existing in the area to the communication line network 30 by radio.

Each of the PHS terminals MS1 and MS2 is a terminal carried by a user and driven by a battery. The PHS terminals MS1 and MS2 have functions similar to those of a normal telephone, such as a liquid crystal display unit and dial keys. By communicating with 31, 31, the communication network 1 is connected. Also, PHS
The terminals MS1 and MS2 capture the CS-ID (or area information) of the base station in charge of the service area every time the user moves and the service area in which the service area is located changes,
The position information is stored in the position information memory 19 as position information. In addition, in the case of the PHS terminal shown in FIG.
The position information including the latitude / longitude (· altitude) information of the current position obtained by the GPS control unit 22 from the phase of the radio wave (difference in reception timing) received by the S antenna 21 is acquired and stored in the position information memory 19. It is designed to remember. In the illustrated example, the PHS terminal MS1
The PHS terminal MS2 is a terminal on the e-mail sending side.
This is the terminal on the e-mail receiving side. In addition, the terminal that transmits and receives the e-mail may be a communication terminal such as a mobile phone or a computer (a personal computer or a workstation). The communication carrier device (service provider device) 32 is an analog telephone line network or ISDN.
It manages overall communication using a communication network such as a digital network.

B. Operation of First Embodiment B-1. First Operation Example Next, a first operation example (transmission side) of the above-described PHS terminal will be described. Here, FIG. 4 is a flowchart for explaining the first operation example of the above-described PHS terminal. First, in step S10, it is determined whether or not the mail creation button has been pressed. When the mail creation button has been pressed, in step S12, it is determined whether or not radio wave reception is being performed.
In the case of a PHS terminal using CS-ID as position information, it may be determined whether or not the terminal is within the service area of the base station. On the other hand, in the case of a PHS terminal using GPS, it may be determined whether a radio wave from a geodetic satellite can be received. If the radio wave is being received, the position information acquired according to the received radio wave is stored in the position information memory 19 in step S14. On the other hand, when the radio wave is not being received, that is, when the position information cannot be obtained, the process proceeds to the next step without storing the position information.

In step S16, it is determined whether or not the creation of the mail has been completed. When the creation of the mail has been completed, in step S18, it is determined whether or not the send button for sending the created mail has been pressed. . Then, when the transmission button is pressed, in step S20, as shown in FIG. 5, the position information stored in the position information memory 19 is attached to the header of the mail and transmitted to the other party. It should be noted that a communication partner, title, date and time of creation, and the like are also attached to the mail as in the related art.

As described above, in the above-described operation example, at the time of creating a mail, the position information is acquired, and the position information is attached to the mail and transmitted. That is, in this case,
As shown in FIG. 5, the position information attached to the mail is information indicating a mail creation location on the transmitting side. Therefore, the PHS terminal MS1 on the transmission side can perform processing using the mail transmission location as a key when searching for transmission histories and when rearranging transmission histories. In addition, the PHS terminal MS2 on the receiving side can know the transmission location of the received mail, and can also use the transmission location of the mail as a key when retrieving and sorting the reception history. Actually, it is difficult for a user to understand the position information simply by attaching the position information as it is, so that the position information (CS-ID, latitude / longitude) is transmitted to the transmitting side or the receiving side, for example, by an area name (address) or the like. Is preferably converted to

B-2. Second Operation Example Next, a second operation example (receiving side) of the above-described PHS terminal will be described. Here, FIG. 6 is a flowchart for explaining the second operation example of the PHS terminal described above. First, in step S30, it is determined whether or not mail has arrived. If mail has arrived, position information of itself is acquired and stored in the position information memory 19 in step S32.
In the case of a PHS terminal using CS-ID as position information, the CS-ID may be stored, and in the case of a PHS terminal using GPS, latitude / longitude information may be stored.
Next, in step S34, the main body of the mail is received, and in step S36, it is determined whether the reception of the mail is finished.
Then, when the mail reception is completed, as shown in FIG.
The position information stored in the position information memory 19 is attached to the mail text and stored in the RAM 18 or the like. Step S4
At 0, the communication is disconnected.

As described above, in the above-described operation example, when a mail arrives, its own position information is obtained, and the position information is attached to the received mail body and stored. That is, in this case, the position information attached to the mail is information indicating the mail receiving location on the receiving side as shown in FIG. Therefore, on the receiving side, the receiving location of the received mail can be known, and processing can be performed using the receiving location of the mail as a key at the time of searching and sorting the reception history. In fact, it is difficult for the user to understand simply by attaching the position information as it is,
Alternatively, it is preferable that the receiving side converts the position information (CS-ID, latitude / longitude) into, for example, an area name (address).

B-3. Third Operation Example Next, a third operation example (transmission side) of the above-described PHS terminal will be described. Here, FIG. 8 is a flowchart for explaining the third operation example of the PHS terminal described above. First, in step S50, it is determined whether or not the mail creation button has been pressed, and when the mail creation button has been pressed, the mail text is created in step S52. Then, in step S54, it is determined whether or not the creation of the mail has been completed. When the creation of the mail has been completed, in step S56, it is determined whether or not the send button for sending the created mail has been pressed. Then, when the send button is pressed, in step S58, its own position information is acquired and stored in the position information memory 19, and then in step S60, FIG.
As shown in (5), the position information stored in the position information memory 19 is attached to the header of the mail and transmitted to the other party. In addition,
As before, the mail also includes a communication partner, a title, a creation date and time, and the like.

As described above, in the above-described operation example, the position information is acquired at the time of transmitting the mail, and the position information is attached to the mail and transmitted. That is, in this case,
As shown in FIG. 9, the position information attached to the mail is information indicating a mail sending place on the transmitting side. Therefore, the PHS terminal MS1 on the transmission side can perform processing using the mail transmission location as a key when searching for transmission histories and when rearranging transmission histories. In addition, the PHS terminal MS2 on the receiving side can know the transmission location of the received mail, and can also use the transmission location of the mail as a key when retrieving and sorting the reception history. In practice, it is difficult for a user to understand the position information simply by attaching the position information as it is. Therefore, the position information (CS-ID, latitude / longitude) is used on the transmitting side or the receiving side by using a database or the like. It is preferable to convert to a local name (address).

B-4. Fourth Operation Example Next, a fourth operation example of the present embodiment will be described. The fourth operation example is a combination of the first operation example and the second operation example (or the first operation example and the third operation example).
4 and 6 (or FIG. 4).
And FIG. 8). In the fourth operation example, as shown in FIG. 10A, a mail to which position information indicating a creation place (or a transmission place) is added is stored on the transmitting side, and as shown in FIG. )
As shown in (2), the mail to which the position information indicating the creation place (or the transmission place) and the position information indicating the reception place are added is stored. Therefore, at the transmitting side PHS terminal PS1, when searching for transmission history, sorting, etc.
Processing can be performed using the mail creation location (sending location) as a key. In addition, the PHS terminal PS2 on the receiving side can know the place of creation (sending place) of the received mail, and at the time of searching and sorting the reception history, the place of creation of the mail (sending place) and the receiving place. Can be processed as a key.

C. Configuration of Second Embodiment C-1. Configuration of Communication System Next, a second embodiment of the present invention will be described. Here, FIG. 11 is a block diagram illustrating a configuration of a communication system to which the second embodiment of the present invention is applied. Note that the same reference numerals are given to portions corresponding to FIG.
In the figure, a provider 50 provides various services such as mail transmission / reception and information provision to subscribers, and has a mail server 51 and a mailbox 52. The mail server 51 is a PHS terminal MS on the transmitting side.
The e-mail is received from e-mail 1 and stored in the mailbox 52 for each e-mail address of the destination (recipient: in this case, the PHS terminal MS2), and is stored in the mailbox 52 in response to access from the recipient. An e-mail is sent to the recipient.

Telecommunications carrier device (service provider device) 4
Numeral 0 manages overall communication using the communication network 30 composed of a digital network such as an analog telephone network or ISDN. The communication carrier device 40 manages the CS-ID of the subscriber terminal (that is, the PHS terminals MS1 and MS2) in real time, and based on the CS-ID,
Lines between subscriber terminals are connected. In particular, in the second embodiment, when sending and receiving mails by the PHS terminals MS1 and MS2, the communication carrier device 40
Transmits the location information (CS-ID, area information, latitude / longitude information) on the sender side to the mail server 51 of the provider 50. Note that if the PHS terminal is a GPS
In the case of the configuration in which the position information is obtained by the following, the communication carrier device 40 transmits the position information (latitude / longitude information) obtained by the GPS from the PHS terminal at the time of transmitting the mail, and thereby the position information of the PHS terminal is obtained. It is supposed to get.

D. Operation of Second Embodiment Next, the operation of the above-described second embodiment will be described. D-1. Here, FIG. 12 is a flowchart for explaining the operation of the PHS terminal MS1 on the transmitting side. First, in step S70, it is determined whether or not the mail creation button has been pressed.
Then, character input / display is performed according to a key input from the user, and a mail is created. Next, in step S74, it is determined whether the creation of the mail has been completed. When the creation of the mail has been completed, in step S76, it is determined whether the send button for sending the created mail has been pressed. . Then, when the send button is pressed, in step S80,
The mail shown in FIG. 16A is transmitted to the provider 50 via the base station 31.

D-2. FIG. 13 is a flowchart for explaining the operation of the communication carrier device. First, in step S90,
It is determined whether or not mail transmission has occurred. If mail transmission from the PHS terminal has occurred, in step S92,
Get the location information of the sender. How to get location information
As described above. Next, in step S94, the position information on the transmitting side is transmitted to the mail server 51 of the provider 50.

D-3. Operation of Mail Server Here, FIG. 14 is a flowchart for explaining the operation of the mail server. First, in step S100,
It is determined whether or not the mail has arrived. If the mail has arrived, in step S102, the main body of the mail and the positional information on the transmitting side are received. Next, in step S104, it is determined whether the reception of the mail has been completed. When the reception has been completed, in step S106, as shown in FIG.
The received mail text and the location information of the sender are stored in the mailbox 52 of the other party.

D-4. Here, FIG. 15 is a flowchart for explaining the operation of the PHS terminal MS2 on the receiving side. First, in step S110, it is determined whether or not a mail has arrived. If a mail has arrived, the own position information is acquired and stored in the position information memory 19 in step S112. In the case of a PHS terminal using CS-ID as location information, C
The S-ID is stored, and in the case of a PHS terminal using GPS, latitude / longitude information is stored. Next, step S
At 114, the mail body is received, and at step S116,
It is determined whether the mail reception is completed. Then, when the mail reception is completed, as shown in FIG. 16C, the position information stored in the position information memory 19 is attached to the mail text and stored in the RAM 18 or the like. Step S120
Then, disconnect the communication.

As described above, in the second embodiment, the location information is attached on the communication carrier apparatus 40 side, so that the mail is transmitted to the mail as shown in FIG. The location information indicating the location and the mail receiving location on the receiving side is added. Therefore, on the receiving side,
It is possible to know the transmission place of the received mail, and to process the transmission place of the mail as a key when searching and sorting the reception history. Further, the receiving location of the received mail can be known, and processing can be performed using the receiving location of the mail as a key when searching and sorting the reception history. In addition, even if the PHS terminal MS2 on the receiving side is an existing PHS terminal that cannot attach its own location information (that is, receiving location) to the received mail, at least the correspondence of the carrier terminal 40 only, It is possible to know the transmission place of the received mail, and to process the transmission place of the mail as a key when searching and sorting the reception history.

In the above-described embodiment, only the electronic mail has been described. In addition, a voice mail including voice data may be used.

[0034]

According to the first aspect of the present invention, the position information indicating the current position of the user is acquired by the position information acquisition means, and the position information acquired by the position information acquisition means is added to the mail created by the creation means. Is attached and transmitted by the transmission means, so that it is possible to easily select an e-mail and to reduce the number of user operations. In other words, the sending terminal has the advantage that the mail sending location can be used as a key when searching and sorting the sending history, and the receiving terminal can send the received mail sending location. , And at the time of retrieving and sorting the reception history, the processing can be performed using the mail transmission location as a key.

According to the second aspect of the present invention, the position information acquisition means acquires position information indicating its own current position, and the storage means stores the position information in the mail received by the reception means. Since the acquired position information is attached and stored, it is possible to easily select an e-mail and to obtain an advantage that a user operation can be reduced. That is, at the receiving terminal,
It is possible to obtain the transmission location of the received e-mail, and to obtain the advantage that the e-mail transmission location can be used as a key when retrieving and sorting the reception history.

According to the third aspect of the present invention, the location information acquiring means acquires, as the location information, identification information for identifying a base station having jurisdiction over a service area where the terminal is located. Therefore, there is an advantage that mail selection can be facilitated and user operations can be reduced. That is, on the transmitting terminal,
When searching the transmission history, sorting, etc., it is possible to process using the sending location of the mail as a key,
The receiving side terminal has the advantage that it is possible to know the transmission location of the received mail and to process the transmission location of the received mail as a key when searching and sorting the reception history.

According to the fourth aspect of the present invention, the position information acquisition means acquires the position information indicating the current position of the terminal based on the radio wave transmitted from the geodetic satellite. Can make the selection easier,
The advantage that the user's operation can be reduced can be obtained. In other words, the sending terminal has the advantage that the mail sending location can be used as a key when searching and sorting the sending history, and the receiving terminal can send the received mail sending location. , And at the time of retrieving and sorting the reception history, the processing can be performed using the mail transmission location as a key.

According to the fifth aspect of the present invention, the position information acquisition means acquires position information indicating the current position of the transmitting terminal, and the transfer means transmits the position information to the mail transmitted from the transmitting terminal. Since the location information acquired by the location information acquiring means is attached and transferred to the receiving terminal, it is possible to easily select an e-mail and to reduce user operations. In other words, the sending terminal has the advantage that the mail sending location can be used as a key when searching and sorting the sending history, and the receiving terminal can send the received mail sending location. , And at the time of retrieving and sorting the reception history, the processing can be performed using the mail transmission location as a key.

[Brief description of the drawings]

FIG. 1 shows a mobile communication terminal (PHS) according to an embodiment of the present invention.
FIG. 3 is a block diagram showing a configuration (No. 1) of a terminal.

FIG. 2 shows a mobile communication terminal (PHS) according to an embodiment of the present invention.
It is a block diagram which shows the structure (2) of (terminal).

FIG. 3 is a block diagram illustrating a schematic configuration of a communication system to which a PHS terminal is applied.

FIG. 4 is a flowchart illustrating a first operation example of the PHS terminal.

FIG. 5 is a conceptual diagram showing a configuration of a mail transmitted by the first operation example.

FIG. 6 is a flowchart illustrating a second operation example of the PHS terminal.

FIG. 7 is a conceptual diagram illustrating a configuration of a mail transmitted according to a second operation example.

FIG. 8 is a flowchart for explaining a third operation example of the PHS terminal.

FIG. 9 is a conceptual diagram showing a configuration of a mail transmitted by the third operation example.

FIG. 10 is a conceptual diagram showing a configuration of a mail transmitted according to a fourth operation example of the embodiment.

FIG. 11 is a block diagram illustrating a configuration of a communication system to which a second embodiment of the present invention is applied.

FIG. 12 shows a PHS terminal MS1 on the transmitting side according to the second embodiment.
5 is a flowchart for explaining the operation of FIG.

FIG. 13 is a flowchart for explaining the operation of the communication carrier apparatus according to the second embodiment.

FIG. 14 is a flowchart for explaining the operation of the mail server according to the second embodiment.

FIG. 15 shows a PHS terminal MS2 on the receiving side according to the second embodiment.
5 is a flowchart for explaining the operation of FIG.

FIG. 16 is a conceptual diagram showing a configuration of a mail transmitted according to the second embodiment.

[Explanation of symbols]

REFERENCE SIGNS LIST 10 transmission / reception unit (transmission unit, reception unit) 11 communication control unit (transmission unit, reception unit) 12 audio processing unit 15 key input unit 16 control unit (position information acquisition unit, creation unit, storage unit) 17 ROM 18 RAM (storage) Means) 19 Position information memory (position information acquisition means) 20 Display unit 21 GPS antenna (position information acquisition means) 22 GPS control unit (position information acquisition means) MS1, MS2 PHS terminal 30 Communication network 31 Base station 32, 40 Communication Business equipment 50 Provider 51 Mail server 52 Mail box

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 11/00 302 F-term (Reference) 5B089 GA11 GA25 GB04 HA11 JA31 JB22 KA03 LB04 LB14 5K030 GA17 HA06 HC01 HC09 JL01 JT09 5K067 BB21 DD51 EE02 EE16 FF03 JJ52 5K101 KK02 LL12 NN21 PP03 9A001 BB03 BB04 CC05 CC07 DD10 EE02 EE05 FF03 FF05 JJ14 JJ18 JJ27 JJ78 KK56

Claims (5)

[Claims] 1. A mail communication device for sending and receiving mail between terminals via a communication network, comprising: position information obtaining means for obtaining position information indicating its own current position; creating means for creating mail; And a transmitting means for attaching the position information acquired by the position information acquiring means to the mail created by the method and transmitting the attached information. 2. A mail communication device for transmitting and receiving mail between terminals via a communication network, wherein: a position information obtaining unit for obtaining position information indicating a current position of the terminal; a receiving unit for receiving the mail; And a storage unit for attaching the position information obtained by the position information obtaining unit to the mail received by the storage unit and storing the attached information. 3. The mail according to claim 1, wherein the position information obtaining unit obtains, as position information, identification information for identifying a base station having jurisdiction over a service area where the terminal is located. Communication device. 4. The mail communication device according to claim 1, wherein the position information obtaining unit obtains position information indicating a current position of the terminal based on a radio wave transmitted from a geodetic satellite. 5. A communication management device for managing transmission / reception of mail via a communication network, comprising: position information obtaining means for obtaining position information indicating a current position of a transmitting terminal; And a transfer unit that attaches the position information acquired by the position information acquisition unit and transfers the attached information to a receiving terminal.