JP2013187580A - Safety confirmation system, safety confirmation method and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a safety confirmation system for reporting safety information with a least possible communication traffic.SOLUTION: Upon receiving a mail about an emergency earthquake prompt report from a disaster information distribution server 30, a mobile terminal 10 transmits a mail about safety information added with a self station number (telephone number) and a password to current location information acquired by a GPS signal receiving section 105, to a location information acquisition server 50. The location information acquisition server 50: registers and stores the received mail about safety information; performs access authentification based on the telephone number and the password of the mobile terminal 10 outputted from a mobile terminal 20 of a user requiring safety confirmation; and, when the user is authenticated as a proper user, extracts the current location information from the mail about safety information of the mobile terminal 10 subjected to safety confirming and transmits extracted current information to the portable terminal 20.

Description

  The present invention relates to a safety confirmation system, a safety confirmation method, and a program for notifying safety information with as little communication traffic as possible when an emergency early warning mail such as an earthquake early warning is received.

  A technology is known for confirming the safety of family members, friends and acquaintances when natural disasters such as earthquakes and typhoons occur. For example, in Patent Document 1, when a disaster occurs, disaster information including a disaster occurrence area is distributed to a mobile terminal registered in advance, and when the distributed disaster information is received, the current GPS mobile terminal function is used. Information that creates terminal location information that indicates the location and safety information that indicates the safety status of the user, and notifies the created terminal location information and safety information to mobile terminals that belong to the same information sharing group so that they can confirm each other's safety A sharing system is disclosed.

JP 2010-263562 A

  By the way, when a large-scale disaster occurs, a large number of voice calls to confirm the safety of the victims occur immediately after that, so the voice calls are restricted to avoid congestion of the communication line. E-mail can be sent and received without much restrictions. However, as in the technique disclosed in Patent Document 1, if the system transmits terminal location information and safety information to each mobile terminal belonging to the same information sharing group by mail, communication traffic increases and is as little as possible. There arises a problem that safety information cannot be notified by communication traffic.

  The present invention has been made in view of such circumstances, and provides a safety confirmation system, a safety confirmation method and program, a safety confirmation method and a program capable of notifying safety information with as little communication traffic as possible. It is aimed.

  In order to achieve the above object, in the safety confirmation system of the present invention, a disaster information distribution server, a first communication terminal and a location information acquisition server connected via a network, the disaster information distribution The server includes distribution means for distributing a disaster information mail when a disaster occurs, and the first communication terminal acquires current location information when receiving the disaster information mail distributed from the disaster information distribution server A position acquisition unit; and a mail transmission unit that creates a safety information mail with a telephone number and a password added to the current position information acquired by the current position acquisition unit and transmits the safety information mail to the position information acquisition server, The location information acquisition server is configured to receive a safety information mail from the first communication terminal and register it. When the telephone number and password of the first communication terminal are input from the second communication terminal to be sent, the current location information is extracted from the safety information mail of the first communication terminal registered in the mail registration means And sending means for sending to the second communication terminal.

  The safety confirmation method of the present invention is a method executed in a system comprising a disaster information distribution server, a first communication terminal and a location information acquisition server connected via a network, wherein the disaster information distribution The server includes a distribution process of distributing a disaster information mail when a disaster occurs, and the first communication terminal acquires current location information when receiving the disaster information mail distributed from the disaster information distribution server A position acquisition process, and a mail transmission process that creates a safety information mail with a self-phone number and a password added to the current position information acquired in the current position acquisition process and transmits the safety information mail to the position information acquisition server, The location information acquisition server wants to inquire about the safety registration mail for receiving and registering the safety information mail from the first communication terminal, and the safety. When the telephone number and password of the first communication terminal are input from the two communication terminals, the current location information is extracted from the safety information mail of the first communication terminal registered in the mail registration process, and And a sending process for sending to the second communication terminal.

  Furthermore, the program of the present invention is a program executed in a system including a disaster information distribution server, a first communication terminal and a location information acquisition server connected via a network, wherein the disaster information distribution server includes: A distribution step of distributing a disaster information mail when a disaster occurs, wherein the first communication terminal acquires current position information when receiving a disaster information mail distributed from the disaster information distribution server And a mail transmission step of creating a safety information mail in which a current telephone number and a password are added to the current position information acquired in the current position acquisition step and transmitting the safety information mail to the position information acquisition server, An information acquisition server receives and registers a safety information mail from the first communication terminal. And when the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, the current safety information mail of the first communication terminal registered in the mail registration step is A sending step of extracting position information and sending it to the second communication terminal.

  In the present invention, the safety information of itself can be notified with as little communication traffic as possible.

It is a system configuration figure showing the outline of the safety confirmation system by one embodiment. It is a block diagram which shows the structure of the portable terminal 10 which is a component of a safety confirmation system. It is a flowchart which shows the operation | movement of the emergency early warning mail reception process which the portable terminal 10 performs. It is a figure for demonstrating the operation | movement of emergency early warning mail reception processing. It is a figure for demonstrating operation | movement of the positional infomation acquisition server 50 which is a component of a safety confirmation system. It is a block diagram which shows the outline of the safety confirmation system by a modification. It is a flowchart which shows the operation | movement of the emergency bulletin mail receiving process which the portable terminal 10 in a modification performs. It is a figure for demonstrating operation | movement of the positional information notification server 60 and the portable terminal 70 in a modification.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
A. Configuration (1) System Configuration FIG. 1 is a system configuration diagram showing an outline of a safety confirmation system according to an embodiment. The safety confirmation system shown in this figure includes a mobile terminal 10, a mobile terminal 20, a disaster information distribution server 30, and a location connected to a network NW through which a wireless communication network RN and the Internet ITN are connected to each other via a gateway server G / W. The information acquisition server 50 is configured.

  The disaster information distribution server 30 distributes, for example, an emergency earthquake bulletin distributed by the Japan Meteorological Agency as a broadcast mail addressed to mobile terminals located in the vicinity of the epicenter. The emergency earthquake bulletin delivered as a simultaneous broadcast mail is sent to the mobile terminal 10 via the network NW via the base station BS in the vicinity of the epicenter. In this embodiment, as an example, the emergency earthquake bulletin is delivered as a simultaneous broadcast mail. However, the present invention is not limited to this, and a disaster information mail that promotes evacuation when a natural disaster such as a tsunami warning or a typhoon occurs is delivered. It does not matter.

  The mobile terminal 10 that has received the earthquake early warning by e-mail receives the GPS signal from the GPS satellite 40 to acquire the current position information, and the safety information in which the local number (phone number) and password are added to the acquired current position information. The mail is transmitted to the location information acquisition server 50 on the network NW via the base station BS. When the GPS signal cannot be received and the current location information cannot be obtained, the location information of the base station BS registered in the location of the mobile terminal 10 is obtained from the network side, and this is stored in the mobile terminal. 10 current position information.

  The location information acquisition server 50 registers and stores a safety information email transmitted from the mobile terminal 10 that has received the earthquake early warning by email. The location information acquisition server 50 is accessed by the mobile terminal 20 of the user who wishes to inquire about safety. Specifically, when the telephone number of the mobile terminal 10 and a preset password are sent to the location information acquisition server 50, access authentication is performed in the location information acquisition server 50. The current position information of the mobile terminal 10 registered in the acquisition server 50 is sent to the mobile terminal 20 as safety information.

  According to the safety confirmation system configured as described above, for example, when confirming safety with each other as in the past, it is no longer necessary to send the terminal location information and safety information to each mobile terminal belonging to the same information sharing group by e-mail. As a result of sending the current position information (safety information) of the portable terminal 10 that wants to know the safety only to the portable terminal 20, it is possible to notify the safety information with as little communication traffic as possible.

(2) Configuration of Mobile Terminal 10 Next, the configuration of the mobile terminal 10 will be described with reference to FIG. FIG. 2 is a block diagram illustrating a configuration of the mobile terminal 10. In FIG. 2, the control unit 100 includes a CPU, an input / output circuit, and the like, and controls the operation of each unit according to an event supplied from an operation unit 107 described later. The ROM 101 includes a program area and a data area.

  Various programs executed by the control unit 100 are stored in the program area of the ROM 101. The various programs referred to here include emergency early warning mail reception processing described later. In the data area of the ROM 101, control data referred to by a predetermined program and various screen data forming a standby screen, for example, are stored.

  The RAM 102 is used as a work area of the control unit 100 and includes a work area for temporarily storing various register / flag data and a user area for storing various user data such as transmission / reception mails and addresses.

  Under the control of the control unit 100, the wireless communication transmitting / receiving unit 103 exchanges data with the base station via the antenna ANT1 during data communication. The radio communication transmitting / receiving unit 103 outputs audio data received and demodulated via the antenna ANT1 to the control unit 100 during a voice call, while transmitting a transmission signal obtained by modulating the audio data supplied from the control unit 100 to a high frequency. Amplified and transmitted from antenna ANT1.

  The audio signal processing unit 104 includes a speaker SP and a microphone MIC. The audio signal supplied from the control unit 100 is D / A converted into an audio signal to generate sound from the speaker SP, or an audio signal output from the microphone MIC is output. The audio data is A / D converted and supplied to the control unit 100.

  Under the control of the control unit 100, the GPS signal receiving unit 105 generates current position information indicating the current position of the mobile terminal 10 based on the GPS signal received via the antenna ANT2, and outputs the current position information to the control unit 100. The current position information includes at least longitude and latitude. The display unit 106 includes a color liquid crystal panel and a display driver, and displays various screens such as a standby screen under the control of the control unit 100.

  The operation unit 107 has various operation keys such as a power switch for power on / off, an off-hook / on-hook switch operated at the start / end of a call, and a character input switch also used as a dial switch. Event is generated and output to the control unit 100.

B. Operation Next, the operation of the safety confirmation system according to the above configuration will be described with reference to FIGS. Hereinafter, after the operation of the mobile terminal 10 is first described, the operation of the location information acquisition server 50 will be described.

(1) Operation of Mobile Terminal 10 FIG. 3 is a flowchart showing the operation of the emergency early warning mail reception process executed in the mobile terminal 10. This process is a part of the mail reception function, and is activated when an emergency earthquake warning is received from the disaster information distribution server 30 as a simultaneous broadcast mail.

  When the emergency bulletin mail reception process is executed, the control unit 10 of the mobile terminal 10 proceeds to step SA1 illustrated in FIG. 3 and instructs the GPS signal reception unit 105 to acquire the current position information. Is temporarily stored in the user area of the RAM 102. If the GPS signal receiving unit 105 cannot receive the GPS signal and cannot acquire the current position information, the mobile terminal 10 acquires the position information of the base station BS registered in the position from the network side. This is temporarily stored in the user area of the RAM 102 as the current position information of the mobile terminal 10.

  Subsequently, in step SA2, a safety information mail in which the own station number (telephone number) and password are added to the current position information temporarily stored in the user area of the RAM 102 (or the position information of the registered base station BS) is sent to the base station. The data is transmitted to the location information acquisition server 50 on the network NW via the BS. The local station number and password added to the current position information are identification information that should be communicated in advance to the user who confirms the safety, that is, the owner of the mobile terminal 20.

  In step SA3, a timer for measuring a transmission interval, which will be described later, is started, and in subsequent step SA4, it is determined whether or not there is a function stop operation. The function stop operation refers to a pressing operation of a “YES” button displayed on the function stop operation screen SG shown in FIG. 4 as an example. This function stop operation screen SG is displayed on the screen for 5 minutes after the timer start in step SA3. If a function stop operation is performed by pressing the “YES” button displayed on the function stop operation screen SG, the determination result in step SA4 is “YES”, and the process is terminated.

  On the other hand, if 5 minutes have elapsed without performing the function stop operation, the determination result in step SA4 is “NO”, and the process proceeds to step SA5. In the present embodiment, the display time of the function stop operation screen SG is 5 minutes. However, the present invention is not limited to this, and the user may arbitrarily set the display time. In that case, the display time of the function stop operation screen SG may be shorter than the transmission interval timed by the timer.

  Next, in step SA5, the time measured by the timer started in step SA3 is acquired. In subsequent step SA6, it is determined whether or not the acquired time measured exceeds a preset transmission interval (for example, 60 minutes). To do. If the acquired time count does not exceed the transmission interval, the determination result is “NO”, and the process returns to step SA5.

  On the other hand, if the acquired time count exceeds the transmission interval, the determination result in step SA6 is “YES”, and the process returns to step SA1. As a result, the current position information at the time when the transmission interval (for example, 60 minutes) has elapsed is acquired, and an e-mail in which the local number (telephone number) and password are added to the acquired current position information is transmitted to the position information acquisition server 50. To do.

  As described above, in the emergency bulletin mail reception process executed by the mobile terminal 10, the current position acquired by the GPS signal receiving unit 105 is received when the emergency earthquake bulletin distributed as a simultaneous broadcast mail is received from the disaster information distribution server 30. A safety information mail in which the local station number (telephone number) and password are added to the information is transmitted to the location information acquisition server 50 on the network NW via the base station BS. When the safety information notification is sufficient in the first transmission of the safety information mail, for example, if the situation has already been evacuated to a safe place, the function stop operation screen SG shown in FIG. This processing is completed when a function stop operation is performed by pressing the “YES” button.

  On the other hand, if it is not enough to send the first safety information mail, that is, if there is no room for the function stop operation and evacuating to a safe place, the transmission interval (for example, 60 minutes) has elapsed. A second safety information mail in which the local number (telephone number) and password are added to the current position information acquired at the time is automatically transmitted to the position information acquisition server 50, and the transmission interval elapses if the function is not stopped. Safety information mails are automatically automatically transmitted to the location information acquisition server 50 each time the information is sent, and if such a plurality of safety information mails are transmitted, the safety information mail can indicate safety information indicating how far he / she has evacuated every certain period of time.

(2) Operation of Position Information Acquisition Server 50 Next, the operation of the position information acquisition server 50 will be described with reference to FIG. The location information acquisition server 50 registers and stores the safety information mail transmitted from the mobile terminal 10 that has executed the emergency bulletin mail receiving process described above. The mobile terminal 20 of the user who wants to inquire about safety accesses the location information acquisition server 50 via the network NW.

  When the mobile terminal 20 accesses the location information acquisition server 50, the location information acquisition server 50 sends screen data for forming the authentication screen NG illustrated in FIG. The authentication screen NG includes an input field IN1 for inputting a telephone number and an input field IN2 for inputting a password. When the telephone number of the mobile terminal 10 whose safety is to be confirmed and an appropriate password are entered in the input field IN1 and the input field IN2 of the authentication screen NG, access authentication is performed.

  When access authentication is performed as a proper user, the location information acquisition server 50 extracts time-series current location information TP (see FIG. 5B) from the safety information mail of the registered mobile terminal 10 to the mobile terminal 20. Send it out. Then, in the mobile terminal 20, the time-series current position information TP (see FIG. 5B) received from the position information acquisition server 50 is used as an example illustrated in FIG. It is displayed on the screen as a time-series change (★ 1, ★ 2, ★ 3) of the current position, and by doing so, it becomes safety information indicating what route the user is evacuating.

  As described above, in the present embodiment, when the mobile terminal 10 receives the earthquake early warning from the disaster information distribution server 30 by e-mail, the mobile terminal 10 adds its own station number (telephone number) to the current position information acquired by the GPS signal receiving unit 105. Number) and a safety information mail to which a password is added are transmitted to the position information acquisition server 50. The location information acquisition server 50 registers and stores the safety information mail received from the mobile terminal 10, and performs access authentication based on the telephone number and password of the mobile terminal 10 input from the mobile terminal 20 of the user who wants to inquire about safety. When the accessed mobile terminal 20 is authenticated as a proper user, the current location information TP is extracted from the safety information mail of the mobile terminal 10 to be confirmed for safety and sent to the mobile terminal 20.

  In the portable terminal 20, the current position information TP received from the position information acquisition server 50 is displayed on a map to confirm whether or not the user is evacuating to a safe place. This eliminates the need to send terminal location information and safety information to each mobile terminal belonging to the same information sharing group, for example, in the case of confirming safety with each other as in the prior art. As a result of sending the current position information (safety information) of the mobile terminal 10 that wants to know, the safety information can be notified with as little communication traffic as possible.

C. Modified Example Next, a modified example will be described with reference to FIGS. First, FIG. 6 is a system configuration diagram showing an outline of a safety confirmation system according to a modification. In the safety confirmation system shown in this figure, the same number is attached | subjected to the same component as embodiment shown in FIG. 1, and the description is abbreviate | omitted.

  The modification shown in FIG. 6 is different from the embodiment of FIG. 1 in that when the mobile terminal 10 receives an earthquake early warning from the disaster information distribution server 30, the mobile terminal 10 acquires it by the GPS signal receiving unit 105. A safety information mail in which a mail address indicating a transfer destination is attached to the current position information is transmitted to the position information transfer server 60. In the position information transfer server 60 that has received the safety information mail from the mobile terminal 10, the safety information mail is attached to the safety information mail. The safety information mail is transferred to the mobile terminals 70-1 to 70-n that are the transfer destinations.

(1) Operation of Mobile Terminal 10 Hereinafter, the operation of the emergency breaking mail receiving process according to a modification executed in the mobile terminal 10 will be described. FIG. 7 is a flowchart showing the operation of the emergency early warning mail receiving process according to the modification. Similar to the above-described embodiment, this process is started when an emergency earthquake bulletin distributed as a simultaneous broadcast mail is received from the disaster information distribution server 30 as an opportunity (execution event).

  When the emergency bulletin mail reception process is executed, the control unit 10 of the mobile terminal 10 advances the process to step SB1 illustrated in FIG. 3 and instructs the GPS signal reception unit 105 to acquire current position information. Is temporarily stored in the user area of the RAM 102. If the GPS signal receiving unit 105 cannot receive the GPS signal and cannot acquire the current position information, the mobile terminal 10 acquires the position information of the base station BS registered in the position from the network side. This is temporarily stored in the user area of the RAM 102 as the current position information of the mobile terminal 10.

  Subsequently, in step SB2, a safety information mail in which a mail address as a transfer destination is attached to the current position information temporarily stored in the user area of the RAM 102 is sent to the position information transfer server 60 on the network NW via the base station BS. Send. The e-mail address attached to the current position information is an e-mail address addressed to each person such as a family, friend, or acquaintance who sends (forwards) a safety information e-mail. For example, from the address book data stored in the user area of the RAM 102 Extracted selectively.

  In step SB3, a timer for measuring a transmission interval, which will be described later, is started. In subsequent step SB4, it is determined whether or not a function stop operation has been performed. The function stop operation refers to the pressing operation of the “YES” button displayed on the function stop operation screen SG shown in FIG. 4 as an example. The function stop operation screen SG is displayed on the screen for 5 minutes on the display unit 106 after the timer start in step SB3. If a function stop operation is performed by pressing the “YES” button displayed on the function stop operation screen SG, the determination result in step SB4 is “YES”, and the process is terminated.

  On the other hand, if 5 minutes have elapsed without performing the function stop operation, the determination result in step SB4 is “NO”, and the process proceeds to step SB5. In step SB5, the time measured by the timer started in step SB3 is acquired. In subsequent step SB6, it is determined whether or not the acquired time exceeds a preset transmission interval (for example, 60 minutes). If the acquired time count does not exceed the transmission interval, the determination result is “NO”, and the process returns to step SB5.

  On the other hand, if the acquired time count exceeds the transmission interval, the determination result in step SB6 is “YES”, and the process returns to step SB1. As a result, current position information at the time when a transmission interval (for example, 60 minutes) has elapsed is acquired, and a safety information mail in which a mail address as a transfer destination is attached to the acquired current position information is transmitted to the position information transfer server 60. .

  As described above, in the emergency bulletin mail receiving process according to the modification, when the emergency earthquake bulletin distributed as a simultaneous broadcast mail is received from the disaster information distribution server 30, the transfer destination is transferred to the current position information acquired by the GPS signal receiving unit 105. The safety information mail attached with the e-mail address is transmitted to the location information transfer server 60 on the network NW via the base station BS. If it is sufficient to send the first safety information mail, for example, if it is already in a safe place, “YES” displayed on the function stop operation screen SG shown in FIG. This processing is completed when a function stop operation for pressing the button is performed.

  On the other hand, if it is not enough to send the first safety information mail, that is, when there is no room for the function stop operation and evacuating to a safe place, the transmission interval (for example, 60 minutes) has elapsed. A second safety information mail in which a mail address as a transfer destination is attached to the current position information acquired at the time is automatically transmitted to the position information transfer server 60, and every time the transmission interval elapses unless a function stop operation is performed. Safety information mails are sequentially automatically transmitted to the location information transfer server 60, and if such safety information mails are transmitted a plurality of times, the safety information mails indicate the safety information indicating how far they have evacuated every certain time.

(2) Operations of Location Information Transfer Server 60 and Mobile Terminals 70-1 to 70-n Next, operations of the location information transfer server 60 and the mobile terminals 70 will be described with reference to FIG. The location information transfer server 60 transfers the safety information mail to the transfer destination address attached to the received safety information mail. The mobile terminal 70 that receives this safety information mail receives the example safety information mail shown in FIG. 8A and displays the content on the mail screen MG. Then, when the current position (latitude 1, longitude 1) displayed on the mail screen MG is clicked, the current position (★ 1) is displayed on the map as shown in FIG. 8B in cooperation with the map application. It becomes the safety information that shows where you are evacuating.

  As described above, in the modified example, when the mobile terminal 10 receives the earthquake early warning from the disaster information distribution server 30, the mobile terminal 10 includes a mail indicating the transfer destination in the current position information acquired by the GPS signal receiving unit 105. The location information transfer server 60 that has sent the safety information mail with the address attached thereto to the location information transfer server 60 and received the safety information email from the mobile terminal 10 is attached to the safety information email and the mobile phone of the transfer destination that wants to inform the safety. The safety information mail is transferred to the terminal 70. Thus, for example, when confirming safety with each other as in the prior art, it is not necessary to send the terminal location information and safety information to each mobile terminal belonging to the same information sharing group by e-mail, and the mobile terminal 70 wants to be notified of safety. As a result of sending 10 current position information (safety information), the safety information can be notified with as little communication traffic as possible.

  Note that the safety confirmation system according to the embodiment and the modification described above can be implemented at the same time. For example, the safety of the modification according to the user B (mobile terminal 70-1) that the user of the mobile terminal 10 wants to inform his / her safety On the other hand, the safety confirmation system according to the embodiment can be applied to the user C (mobile terminal 20) who wants to confirm the safety of the user of the mobile terminal 10 while applying the confirmation system.

  The present invention is not limited to the above-described embodiments and modifications, and can be variously modified within the scope of the present invention. As an example, the mobile terminal in the present embodiment is not limited to a mobile phone or a smartphone, but can also be applied to electronic devices such as game devices, tablet PCs, laptops / notebook PCs having a mail transmission / reception function. Needless to say.

[Appendix]
Next, features of the present invention will be added. In addition, although a part or all of said embodiment / modification may be described as the following additional remarks, it is not limited to the description.

(Appendix 1)
A system comprising a disaster information distribution server, a first communication terminal and a location information acquisition server connected via a network,
The disaster information distribution server includes distribution means for distributing a disaster information mail when a disaster occurs,
The first communication terminal, when receiving a disaster information mail distributed from the disaster information distribution server, current position acquisition means for acquiring current position information;
A mail transmission means for creating a safety information mail with its own telephone number and password added to the current position information acquired by the current position acquisition means and transmitting it to the position information acquisition server;
The location information acquisition server receives and registers a safety information mail from the first communication terminal;
When the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, current location information is obtained from the safety information mail of the first communication terminal registered in the mail registration means. A safety confirmation system comprising: a sending means for extracting and sending to the second communication terminal.

(Appendix 2)
A system comprising a disaster information distribution server, a first communication terminal and a location information transfer server connected via a network,
The disaster information distribution server includes distribution means for distributing a disaster information mail when a disaster occurs,
The first communication terminal, when receiving a disaster information mail distributed from the disaster information distribution server, current position acquisition means for acquiring current position information;
A mail transmission means for creating a safety information mail with a transfer destination address attached to the current position information acquired by the current position acquisition means and transmitting it to the position information transfer server;
The location information transfer server includes a transfer unit that is attached to a safety information mail received from the first communication terminal and transfers the safety information mail to a second communication terminal having a transfer destination address to be notified of safety. A feature safety confirmation system.

(Appendix 3)
The first communication terminal further includes an automatic transmission instruction means for instructing the mail transmission means to automatically transmit a safety information mail every time a predetermined time elapses until the user performs a function stop operation. The safety confirmation system according to any one of Supplementary notes 1 and 2.

(Appendix 4)
A method executed in a system including a disaster information distribution server, a first communication terminal, and a location information acquisition server connected via a network,
The disaster information distribution server includes a distribution process of distributing a disaster information mail when a disaster occurs,
When the first communication terminal receives a disaster information mail distributed from the disaster information distribution server, a current position acquisition process of acquiring current position information;
A mail transmission process for creating a safety information mail with a self-phone number and a password added to the current position information acquired in the current position acquisition process and transmitting it to the position information acquisition server,
The location information acquisition server receives and registers a safety information email from the first communication terminal;
When the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, current location information is obtained from the safety information mail of the first communication terminal registered in the mail registration process. A safety confirmation method, comprising: a process of extracting and transmitting to the second communication terminal.

(Appendix 5)
A method executed in a system including a disaster information distribution server, a first communication terminal, and a location information transfer server connected via a network,
The disaster information distribution server includes a distribution process of distributing a disaster information mail when a disaster occurs,
When the first communication terminal receives a disaster information mail distributed from the disaster information distribution server, a current position acquisition process of acquiring current position information;
A mail transmission process for creating a safety information mail with a forwarding address attached to the current position information acquired by the current position acquisition process and transmitting it to the position information transfer server;
The location information transfer server includes a transfer process of transferring the safety information mail attached to the safety information mail received from the first communication terminal to the second communication terminal of the transfer destination address to be notified of safety. A method for confirming safety.

(Appendix 6)
The first communication terminal further includes an automatic transmission instruction process for instructing automatic transmission of a safety information mail every time a predetermined time elapses until the function is stopped by the user. The safety confirmation method according to any one of appendices 4 to 5.

(Appendix 7)
A program executed in a system including a disaster information distribution server, a first communication terminal, and a location information acquisition server connected via a network,
The disaster information distribution server includes a distribution step of distributing a disaster information mail when a disaster occurs,
The first communication terminal acquires a current position information when receiving a disaster information mail distributed from the disaster information distribution server;
A mail transmission step of creating a safety information mail with the phone number and password added to the current position information acquired in the current position acquisition step and transmitting it to the position information acquisition server;
The location information acquisition server receives and registers a safety information email from the first communication terminal;
When the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, current location information is obtained from the safety information mail of the first communication terminal registered in the mail registration step. And a sending step for extracting and sending to the second communication terminal.

(Appendix 8)
A program executed in a system including a disaster information distribution server, a first communication terminal, and a location information transfer server connected via a network,
The disaster information distribution server includes a distribution step of distributing a disaster information mail when a disaster occurs,
The first communication terminal acquires a current position information when receiving a disaster information mail distributed from the disaster information distribution server;
A mail transmission step of creating a safety information mail with a forwarding address attached to the current position information acquired by the current position acquisition step and transmitting it to the position information transfer server;
The location information transfer server includes a transfer step of transferring the safety information mail to a second communication terminal attached to the safety information mail received from the first communication terminal and having a transfer destination address to be notified of safety. A featured program.

(Appendix 9)
The first communication terminal further includes an automatic transmission instruction step for instructing automatic transmission of safety information mail to the mail transmission step every time a predetermined time elapses until the function is stopped by the user. The program according to any one of appendices 7 to 8.

10 Mobile terminal (first communication terminal)
100 Control unit 101 ROM
102 RAM
DESCRIPTION OF SYMBOLS 103 Wireless communication transmission / reception part 104 Audio | voice signal processing part 105 GPS signal receiving part 106 Display part 107 Operation part 20, 70-1 to 70-n Portable terminal (2nd communication terminal)
30 Disaster Information Distribution Server 40 GPS Satellite 50 Location Information Acquisition Server 60 Location Information Transfer Server

Claims (9)

A system comprising a disaster information distribution server, a first communication terminal and a location information acquisition server connected via a network,
The disaster information distribution server includes distribution means for distributing a disaster information mail when a disaster occurs,
The first communication terminal, when receiving a disaster information mail distributed from the disaster information distribution server, current position acquisition means for acquiring current position information;
A mail transmission means for creating a safety information mail with its own telephone number and password added to the current position information acquired by the current position acquisition means and transmitting it to the position information acquisition server;
The location information acquisition server receives and registers a safety information mail from the first communication terminal;
When the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, current location information is obtained from the safety information mail of the first communication terminal registered in the mail registration means. A safety confirmation system comprising: a sending means for extracting and sending to the second communication terminal. A system comprising a disaster information distribution server, a first communication terminal and a location information transfer server connected via a network,
The disaster information distribution server includes distribution means for distributing a disaster information mail when a disaster occurs,
The first communication terminal, when receiving a disaster information mail distributed from the disaster information distribution server, current position acquisition means for acquiring current position information;
A mail transmission means for creating a safety information mail with a transfer destination address attached to the current position information acquired by the current position acquisition means and transmitting it to the position information transfer server;
The location information transfer server includes a transfer unit that is attached to a safety information mail received from the first communication terminal and transfers the safety information mail to a second communication terminal having a transfer destination address to be notified of safety. A feature safety confirmation system.   The first communication terminal further includes an automatic transmission instruction means for instructing the mail transmission means to automatically transmit a safety information mail every time a predetermined time elapses until the user performs a function stop operation. The safety confirmation system according to any one of claims 1 to 2. A method executed in a system including a disaster information distribution server, a first communication terminal, and a location information acquisition server connected via a network,
The disaster information distribution server includes a distribution process of distributing a disaster information mail when a disaster occurs,
When the first communication terminal receives a disaster information mail distributed from the disaster information distribution server, a current position acquisition process of acquiring current position information;
A mail transmission process for creating a safety information mail with a self-phone number and a password added to the current position information acquired in the current position acquisition process and transmitting it to the position information acquisition server,
The location information acquisition server receives and registers a safety information email from the first communication terminal;
When the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, current location information is obtained from the safety information mail of the first communication terminal registered in the mail registration process. A safety confirmation method, comprising: a process of extracting and transmitting to the second communication terminal. A method executed in a system including a disaster information distribution server, a first communication terminal, and a location information transfer server connected via a network,
The disaster information distribution server includes a distribution process of distributing a disaster information mail when a disaster occurs,
When the first communication terminal receives a disaster information mail distributed from the disaster information distribution server, a current position acquisition process of acquiring current position information;
A mail transmission process for creating a safety information mail with a forwarding address attached to the current position information acquired by the current position acquisition process and transmitting it to the position information transfer server;
The location information transfer server includes a transfer process of transferring the safety information mail attached to the safety information mail received from the first communication terminal to the second communication terminal of the transfer destination address to be notified of safety. A method for confirming safety.   The first communication terminal further includes an automatic transmission instruction process for instructing automatic transmission of a safety information mail every time a predetermined time elapses until the function is stopped by the user. The safety confirmation method according to any one of claims 4 to 5. A program executed in a system including a disaster information distribution server, a first communication terminal, and a location information acquisition server connected via a network,
The disaster information distribution server includes a distribution step of distributing a disaster information mail when a disaster occurs,
The first communication terminal acquires a current position information when receiving a disaster information mail distributed from the disaster information distribution server;
A mail transmission step of creating a safety information mail with the phone number and password added to the current position information acquired in the current position acquisition step and transmitting it to the position information acquisition server;
The location information acquisition server receives and registers a safety information email from the first communication terminal;
When the telephone number and password of the first communication terminal are input from the second communication terminal to be inquired about safety, current location information is obtained from the safety information mail of the first communication terminal registered in the mail registration step. And a sending step for extracting and sending to the second communication terminal. A program executed in a system including a disaster information distribution server, a first communication terminal, and a location information transfer server connected via a network,
The disaster information distribution server includes a distribution step of distributing a disaster information mail when a disaster occurs,
The first communication terminal acquires a current position information when receiving a disaster information mail distributed from the disaster information distribution server;
A mail transmission step of creating a safety information mail with a forwarding address attached to the current position information acquired by the current position acquisition step and transmitting it to the position information transfer server;
The location information transfer server includes a transfer step of transferring the safety information mail to a second communication terminal attached to the safety information mail received from the first communication terminal and having a transfer destination address to be notified of safety. A featured program.   The first communication terminal further includes an automatic transmission instruction step for instructing automatic transmission of safety information mail to the mail transmission step every time a predetermined time elapses until the function is stopped by the user. The program according to any one of claims 7 to 8.

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