KR20130094876A - System and method for saving a life using mobile terminal - Google Patents

Abstract

PURPOSE: A system and a method for saving a life using a mobile terminal are provided to safely save the life by sending the information relative to a state of emergency received through a sensor and the information of safe refuge in a corresponding position to the mobile terminal. CONSTITUTION: A system for saving a life using a mobile terminal includes a central control device (40) comprising a sensor module (10) installed in a building or a specific space to sense a state of emergency and formed by one or more sensors sending an emergency signal in an emergency at the building or the specific space; one or more emergency guide lightings (20) installed in the building or the specific space to a guide to safe refuge in the building or the specific space in the emergency; an emergency signal receiving unit (41) receiving an emergency signal from the sensor module; a speaker unit (42) outputting voice information for alarming a generation of emergency according to the emergency signal; a first position tracing unit (45) tracing a position of the mobile terminal positioned in the building or the specific space and transmitting the information of the traced mobile terminal; a mobile terminal information sending unit receiving the information of the mobile terminal from the first position tracing unit and sending emergency alarming information for alarming the generation of emergency and the information relative to the refuge to the mobile terminal; and an emergency guide lighting control unit controlling a display of the emergency guide lighting for guiding peoples to the safe refuge in the building or the specific space. [Reference numerals] (10) Sensing sensor module; (15) Sensor node; (20) Emergency guide lighting; (40) Central control device; (41) Emergency signal receiving unit; (42) Speaker unit; (43) Mobile terminal information sending unit; (44) Emergency guide lighting control unit; (45) First position tracing unit; (46) Monitor unit; (47) Shelter designating unit; (48) Rescuing situation managing unit

Description

Lifesaving system and method using a mobile terminal {SYSTEM AND METHOD FOR SAVING A LIFE USING MOBILE TERMINAL}

The present invention relates to a lifesaving system using a mobile terminal, and more particularly, to information on an emergency situation received through a sensor that detects an emergency situation such as an earthquake or fire or to a safe evacuation site at a corresponding location. The present invention relates to a lifesaving system and method using a mobile terminal that supports safe and quick lifesaving by sending information to a mobile terminal.

Massive casualties are caused when public buildings such as large buildings, subway stations, department stores and government offices are crowded, and when a building collapses or an emergency such as a fire occurs in ships, aircraft, trains, etc.

In the event of such an emergency, it is necessary to rescue people quickly and safely to minimize damage. It is also more important that people who are located in an emergency situation evacuate to a safe place rather than waiting for rescue by others.

However, at this time, it is common to inform them through a broadcast that outputs an emergency situation, and people who do not hear the broadcast due to external noise or do not hear the broadcast properly may not recognize the emergency situation.

In particular, where warning broadcasts are possible, such as inside a building, warning broadcasts can be made for emergency situations. However, in an open place, this method cannot inform emergency situations and thus can not reduce casualties.

Disaster weather broadcasting service method and system using a mobile communication network of Korea Patent Publication No. 10-2005-0072190, in connection with the Meteorological Agency or the weather forecast web, stores the weather information for each region as a video, and the user carries The present invention relates to a disaster weather broadcasting service method and system using a mobile communication network, which allows a user to access a wireless Internet through a terminal to check weather information of a region in which the user is located.

The present invention allows the mobile terminal to check the video information on the weather in the area where the user is located, which is not known until the user confirms the weather information.

That is, even if a disaster occurs until the user confirms, there is an inconvenience that the user cannot recognize.

The present invention has been made to solve the above-mentioned problems, public buildings, such as large buildings, subway stations, department stores, public offices, and the like, a large number of people transportation means of ships, aircraft, trains, etc. Life-saving system using a mobile terminal to minimize the damage to life in the event of an emergency by sending information about the emergency situation and safe evacuation to the portable terminal when the building collapses or encounters an emergency such as a fire in the Its purpose is to provide a method.

In addition, the present invention provides a lifesaving system using a mobile terminal to track and save the location of the user in the event of an emergency by allowing a user who does not carry the mobile terminal to wear a location tracking terminal provided in advance in the building; Its purpose is to provide a method.

In addition, an object of the present invention is to provide a lifesaving system and method using a portable terminal to induce immediate evacuation of the user by informing the safe evacuation light by using an induction lamp in the event of an emergency.

Lifesaving system using a portable terminal according to an embodiment of the present invention for achieving this object, rescue the lifespan by sending emergency occurrence information to a portable terminal of a person (user) located in any building or a specific space In the system to support, the sensing sensor module is installed in the building or a specific space for detecting an emergency situation, consisting of one or more sensors for sending an emergency signal when an emergency situation occurs in the building or a specific space, One or more emergency induction lamps installed in the building or a specific space to induce safe evacuation of the building or a specific space when an emergency evacuation situation occurs, an emergency signal receiver for receiving an emergency signal from the sensor module, an emergency according to the emergency signal A speaker unit for outputting voice information for warning a situation occurrence, a first location tracker for tracking the location of the mobile terminal located in the building or a specific space, and transmitting the tracked mobile terminal information, and the first location tracking Receiving personal information from a mobile terminal information sending unit for receiving emergency information and evacuation information for warning of occurrence of an emergency to the portable terminal by receiving the portable terminal information from the mobile terminal, and safe evacuation of the building or a specific space. Emergency induction light to control the indication of emergency induction light It is characterized in that comprises a central control unit consisting of a fisherman.

Lifesaving system using a mobile terminal according to another embodiment of the present invention for achieving this object, the user terminal capable of wireless communication through a wireless network, an emergency information receiver for receiving information on the emergency situation, emergency information Or an application unit for downloading an emergency application for outputting evacuation information to the user terminal to the user terminal, a second location tracking unit for tracking the location of the user terminal on which the application is mounted, and an emergency at the emergency information receiving unit. When receiving the status information, the emergency information providing server including an emergency information sending unit for searching for a user terminal located within a specified radius of the area where the emergency situation occurred and sending the emergency information or evacuation information to the user terminal; Done by It characterized.

Life saving method using a mobile terminal according to an embodiment of the present invention for achieving this object, rescue the life by sending emergency occurrence information to a mobile terminal of a user (user) located in any building or a specific space A method implemented in a system for supporting an emergency, comprising the steps of: (a) transmitting an emergency signal when an emergency occurs in the building or a specific space from one or more sensors installed in the building or a specific space to detect an emergency situation; (B) outputting voice information to warn the occurrence of an emergency situation as the emergency signal is received in the speaker unit of the emergency induction control unit, inducing a safe evacuation of the building or a specific space when an emergency evacuation situation occurs To the evacuation shelter through emergency guide lights (C) controlling the display, and (d) transmitting emergency warning information and information on evacuation to warn the occurrence of an emergency situation from the portable terminal information sending unit to the portable terminal. do.

Lifesaving method using a mobile terminal according to another embodiment of the present invention for achieving this object, the application unit outputs emergency information or evacuation information to the user terminal capable of wireless communication via a wireless network to the user terminal (1) downloading the emergency application, the emergency information receiver receives the information about the emergency (2), and the second location tracking unit tracks the location of the user terminal on which the application is mounted. In step (3), the emergency situation information sending unit searches for a user terminal located within a specified radius of the region where the emergency situation occurred and sends the emergency information or evacuation information to the corresponding user terminal. It is characterized by comprising.

According to the present invention, when an emergency situation such as a fire or a gas leak occurs in a specific area or building, the user recognizes the emergency situation and transmits the warning information and shelter information to the portable terminal located in the area or building. It is possible to move to the shelter has the effect of minimizing casualties.

In addition, people who are unable to move to a shelter in an emergency area have an effect of quickly and easily being rescued by rescue workers by tracking their location through a mobile terminal.

In addition, when the emergency situation is difficult to see in front of the escape route is displayed through the emergency induction, there is an advantage that can be moved to a safe place quickly and safely.

1 is a block diagram of a lifesaving system using a mobile terminal according to an embodiment of the present invention.
2 is a block diagram of a lifesaving system using a mobile terminal according to another embodiment of the present invention.
3 is a flowchart illustrating a lifesaving method using a mobile terminal according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. It should be interpreted as meanings and concepts corresponding to the technical idea of the present invention based on the principle of definition.

Therefore, the embodiments recorded in the specification and the drawings shown in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, which can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.

1 is a block diagram of a lifesaving system using a mobile terminal according to an embodiment of the present invention, Figure 2 is a block diagram of a lifesaving system using a mobile terminal according to another embodiment of the present invention.

The system of the present invention can be applied both to open areas (outdoors) where people may be damaged due to disasters such as earthquakes, floods, avalanches, etc., or to specific spaces such as buildings, churches, and public facilities. Reveal

Referring to FIG. 1, a system according to an embodiment of the present invention includes a portable terminal 30, a sensing sensor module 10 installed and provided in a building or a specific space, a sensor node 15, and an emergency induction lamp 20. And a central control unit 40.

The mobile terminal 30 is representative of a smart phone which is rapidly increasing in recent years, and collectively refers to a mobile communication terminal capable of receiving text, video, and audio signals.

In addition, the portable terminal 30 includes a personal location tracking terminal that includes a location tracking function to enable the location tracking of the user carrying. In particular, the personal location tracking terminal is provided in advance in an area or a building where an emergency situation may occur, and is manufactured in a bracelet or necklace type so that the user can wear it on the body in case of an emergency situation.

Furthermore, it may be recommended to wear such a personal location tracking terminal while entering the area or building in preparation for an emergency.

The detection sensor module 10 includes at least one or more detection sensors for detecting earthquakes, tsunamis, snowfall, fire, smoke, heat, and gas leaks, and centrally controls emergency signals in case of an emergency situation in which gas leaks are detected from the detection sensors. To the device 40.

The sensor node 15 is installed at a corner of a building or a large vehicle, an emergency exit, an exit, a staircase, a wall, and the like, and can be referred to as a pedestrian navigation system such as 2D or 3D (3D) which allows distinction between floors and boundaries. have. The sensor node 15 is applied to the sensor network, LBS, RTLS-based, etc. to enable different floors of the building or large vehicle.

When an emergency occurs, it is possible to check whether there is a human life through the sensor node 15, and it is possible to know exactly which region and how many floors exist so that the lifesaving can be further facilitated.

In addition, when evacuating to a shelter, life can be guided to the correct escape route through accurate division of floors and boundaries.

The emergency induction lamp 20 is particularly effective when installed in a building or a ship that has a high probability of occurrence of an emergency situation such as a fire, and uses a laser beam or a high-brightness LED to prevent evacuation path information in case of heavy smoke. It is controlled so that it can operate in accordance with. In particular, users who do not carry a personal portable terminal can quickly move to the shelter by seeing the operation (light) of the emergency induction light (20).

The emergency induction lamp 20 can communicate with the central control unit 40 by wire / wireless.

The central control unit 40 for receiving an emergency signal from the sensing sensor module 10 and controlling the operation of the emergency induction lamp 50 includes the following components.

An emergency signal receiver 41 for receiving an emergency signal from the sensor module 10, a speaker 42 for outputting an alarm broadcast, and a portable terminal for sending emergency information and evacuation information to the portable terminal 30. The information dispatch unit 43, the emergency induction light control unit 44 for controlling the operation of the emergency induction light 20, the first position tracking unit 45 for tracking the position of the portable terminal 30, the unsaved human life A monitor unit 46 for outputting information about the target unit; a evacuation unit designation unit 47 for designating a shelter closest to the position of the mobile terminal 30; and a structural state management unit 48 for retrieving information on unsaved persons. ).

The first location tracking unit 45 tracks the location of the mobile terminal 30 and the rescuer's mobile terminal located in the building or a specific space and transmits location information, and the rescue situation manager 48 provides the rescuer. To the portable terminal 50 of the, the location information of the portable terminal 30 of the person name is transmitted.

In this case, whether the rescuer approaches the place where the portable terminal 30 of the life is located close to the output distance to the portable terminal 50 of the rescuer.

For example, a faster structure can be achieved by allowing the distance between the portable terminal 30 of the rescuer to be output by voice or text.

Through the sensor node 15 installed on each floor or boundary surface, the exact position of the life is transmitted to the mobile terminal 50 of the rescuer.

3 is a flow chart showing a process of life saving in a system having the above configuration, with reference to this will be described in detail the configuration and operation of the system.

One or more detection sensors are installed in a building or a specific space, and a fire detection sensor for detecting a fire will be described as an embodiment.

If a fire occurs, the fire sensor detects the fire and sends an emergency signal (S1). The emergency signal is received by the emergency signal receiver 41 of the central control unit 40 through a wired or wireless network, and as the emergency signal is received, a warning sound is output through the speaker 42 installed in the building (S2). .

The warning sound may be output as a signal such as "beep ~~~~" or "fire occurrence, please evacuate !!"

The first location tracking unit 45 searches for the mobile terminal 30 located in the building in order to notify the user of the emergency situation while the warning sound is output.

As described above, the portable terminal 30 is a mobile communication terminal capable of tracking a location or a personal location tracking terminal provided separately.

In particular, a user who regularly enters and exits the building may insert a location tracking module into an access card, an IC card, or the like to track the location of the user carrying the card in case of an emergency. The location tracking module may be manufactured as a usim chip and mounted on an existing portable terminal.

The portable terminal information sending unit 43 sends information (message) to warn the emergency situation of the portable terminal 30 determined to be located in or near the building by the first location tracking unit 45 (S3). ).

The warning information sent to the mobile terminal 30 may include information such as an emergency occurrence time and place, and includes information on the evacuation so that the user of the mobile terminal 30 is safe or rescued from a safe place.

In addition, the information sent to the mobile terminal 30 may include measures such as bowing the body or covering the mouth in an emergency situation.

In addition, it may also include information about the location of the emergency escape tool is provided to assist the escape.

In addition, the information warning the emergency may include internal drawings (2D, 3D) of the building.

The user refers to a user carrying the mobile terminal 30, but it may be used in the same sense since it may be a person to be rescued when an emergency occurs.

The emergency induction lamp 20 is operated at substantially the same time as the S1 and S2 (S4), but may not be visible due to the smoke due to a fire while an emergency situation occurs or check information through a monitor of the portable terminal 30 that is being carried. If it is not possible, it should go to the emergency exit or shelter through the emergency induction light (20).

The emergency induction light controller 44 may continuously display the induction direction on a wall, a ceiling, a floor, or the like, and a high-brightness LED or a laser beam that exhibits a high discrimination power even in dense smoke may be used as the emergency induction light 20.

The first location tracking unit 45 tracks the location of each mobile terminal 30 to be evacuated to the emergency situation in the building (S5). The safest shelter nearest the tracked mobile terminal 30 is searched for (S6) and each corresponding mobile shelter 30 is sent (S7).

All buildings are equipped with emergency or evacuation shelters, but to allow them to move quickly to nearby places without having to flock to one place or to a distant shelter.

In addition, the rescue situation is output to the monitor unit 46 through a CCTV or a human body detection function sensor is installed in advance in the building. At this time, a loss of consciousness may cause a person not moving, in this case, crews for rescue of life, such as paramedics or rescuers are introduced into the building.

The members carry the terminal 50 and the location information of the unsaved person is transmitted to the terminal 50 of the members. If the location of the mobile terminal 30 is tracked in the first location tracking unit 45 even after a certain time after the emergency occurs, the user of the mobile terminal 30 is regarded as incapable of moving and rescues the members of the crew. Should be done.

In particular, the first location tracking unit 45 further extends the conventional approximate location and applies a plurality of sensor nodes to a boundary surface such as corners, emergency exits, exits, stairs, walls, and the like to distinguish between floors and boundary surfaces. It is desirable to include a pedestrian navigation system to more accurately locate the life of a person in a short time.

By accurately distinguishing between floors and boundaries, it is possible to know the current location of life accurately and provide an escape route from the current location to the shelter.

The monitor 46 may output a current status so that the user who has moved to a safe evacuation site and a user waiting for rescue can be easily identified at a glance.

As another embodiment of the present invention, the system configuration and operation of the present invention will be described below with reference to FIG.

 Referring to FIG. 2, the system of the present invention includes a user terminal 70 capable of connecting to a wireless communication network 60 and transmitting / receiving information through wireless communication, and an emergency information providing server 80. .

Such a system can be especially applied outdoors such as in coastal or mountainous areas.

First, the emergency information providing server 80 includes an application for receiving emergency information, and downloads it to the user terminal 70.

The application mounted on the user terminal 70 usually provides tourist information or restaurant information, specialties, local introduction, advertisements, etc. for each region.

The emergency information receiver 81 receives emergency information on a specific area from another server, and the second location tracker 83 tracks and retrieves a user terminal 70 located within a specified radius of the area.

The emergency information sending unit 84 sends detailed information related to the disaster or emergency situation to the searched user terminal 70 and also sends evacuation instructions or shelter information.

In particular, the application is preferably programmed so that the user terminal 70 can be output first even while other applications or functions are being executed.

The user of the user terminal 70 receiving the above information can be evacuated to a safe place without access to the area where the disaster or emergency situation occurred.

The terms used throughout the specification of the present invention have been defined in consideration of the functions of the embodiments of the present invention and can be sufficiently modified according to the intentions and customs of the user or operator. It should be based on the contents of.

Although the invention has been described with reference to the preferred embodiments, which are referred to by the accompanying drawings, it is apparent that various modifications are possible without departing from the scope of the invention within the scope covered by the following claims from this description. .

10: sensor module 15: sensor node
20: emergency induction lamp 30: mobile terminal
40: central control unit 41: emergency signal receiver
42: speaker unit 43: portable terminal information sending unit
44: emergency induction lamp control unit 45: first position tracking unit 46: monitor unit 47: evacuation destination designation unit
48: Structural Situation Management Department
50: rescuer terminal 60: wireless communication network
70: user terminal 80: emergency information providing server
81: emergency situation receiving unit 82: application unit
83: second location tracking unit 84: emergency information sending unit

Claims (16)

In the system for supporting the rescue of human life by sending emergency occurrence information to a portable terminal of a person (user) located in any building or a specific space,
A sensing sensor module installed in the building or a specific space to detect an emergency situation and comprising one or more sensors for sending an emergency signal when an emergency occurs in the building or a specific space ;
One or more emergency induction lamps installed in the building or the specific space to induce a safe evacuation of the building or the specific space when an emergency evacuation situation occurs ; And
An emergency signal receiver configured to receive an emergency signal from the sensor module;
A speaker unit for outputting voice information for warning an emergency occurrence according to the emergency signal;
A first location tracking unit for tracking the location of the mobile terminal located in the building or a specific space and transmitting the tracked mobile terminal information;
A portable terminal information sending unit which receives the portable terminal information from the first location tracking unit and sends emergency warning information and information on evacuation to warn the occurrence of an emergency situation to the portable terminal;
A central control device comprising: an emergency induction light control unit controlling an indication of an emergency induction light to induce life to a safe shelter of the building or a specific space ;
Lifesaving system using a mobile terminal, characterized in that comprising a. The method of claim 1,
A plurality of sensor nodes installed at corners, emergency exits, exits, stairs, and walls of the building to more accurately distinguish between floors and boundary surfaces of the building, and sensing whether a user is located within a specified radius of a corresponding area;
Further comprising, the central control unit
A rescue situation management unit for outputting user location information of each region of the sensor node and a lifesaving situation of the building or a specific space in an emergency situation;
Lifesaving system using a portable terminal, characterized in that it further comprises. According to claim 1, wherein the central control unit
A shelter designation unit for searching for a location of a first detection sensor to which an emergency signal is first sent, and designating a shelter according to the position of the first detection sensor and sending shelter information to the mobile terminal information sending unit;
Lifesaving system using a portable terminal, characterized in that it further comprises. The method of claim 3, wherein the shelter designator
Life-saving system using a mobile terminal, characterized in that the evacuation information of each of the portable terminal according to the location of the mobile terminal received through the first location tracking unit and the user location information received through the sensor node, and send them . The portable terminal of claim 1, wherein
A mobile communication terminal supporting a video, voice, or text service, wherein the warning information sent from the mobile terminal information sending unit to the mobile terminal is
Life-saving system using a mobile terminal, characterized in that it includes emergency occurrence information and video, voice, text information of a safe evacuation. The portable terminal of claim 1, wherein
A personal location tracking terminal that can track the location of the life in the building or a specific space, the life saving system using a mobile terminal, characterized in that it is provided in the building or a specific building to be carried or worn in the event of an emergency. The method of claim 1, wherein the first location tracking unit
After the emergency occurs, the location of the mobile terminal located within the building or a specific space and the location of the mobile terminal of the rescue team are tracked and transmitted.
The rescue situation management unit,
The rescuer's portable terminal transmits the location information of the portable terminal of the person, and transmits accurate location information of each region sensed from the sensor node, and the rescuer's portable terminal approaches the location of the portable terminal of the rescuer. Lifesaving system using a portable terminal, characterized in that for outputting the distance. A user terminal capable of wireless communication via a wireless network ; And
Emergency information receiving unit for receiving information about the emergency;
An application unit for downloading an emergency application for outputting emergency information or evacuation information to the user terminal to the user terminal;
A second location tracking unit for tracking the location of the user terminal on which the application is mounted;
An emergency information sending unit for searching for a user terminal located within a designated radius of an area where an emergency situation occurs and receiving the emergency information or shelter information when the emergency information is received by the emergency information receiving unit; Emergency information providing server comprising;
Lifesaving system using a portable terminal, characterized in that comprises a. What is claimed is: 1. A method implemented in a system for supporting rescue of a person by sending emergency occurrence information to a portable terminal of a person (user) located in an arbitrary building or a specific space.
(A) transmitting an emergency signal when an emergency occurs in the building or a specific space by at least one sensor installed in the building or a specific space to detect an emergency situation;
(B) outputting voice information for warning an emergency situation as the emergency signal is received in the speaker unit of the central control unit;
(C) controlling, in the emergency induction lamp control unit, a display in the direction of the shelter through an emergency induction lamp installed in the building or the specific space to induce a safe evacuation of the building or the specific space when an emergency evacuation situation occurs; And
In the first location tracking unit, the location of the mobile terminal located in the building or a specific space, the emergency warning information and information for evacuation to warn the occurrence of an emergency situation from the mobile terminal information sending unit to the mobile terminal (D) sending a;
Lifesaving method using a portable terminal, characterized in that comprises a. The method of claim 9, wherein the central control unit
(E-1) tracking a location of the unsaved human life by tracking the location of the mobile terminal in a first location tracking unit; And
(E-2) outputting a location of a person tracked from the first location tracking unit by the monitor unit;
Lifesaving method using a portable terminal, characterized in that it further comprises. The portable terminal of claim 9, wherein the portable terminal comprises:
A mobile communication terminal that supports video, voice, or text services.
The step (d)
Lifesaving method using a mobile terminal, characterized in that for transmitting the information including the video, voice, text information as the emergency warning information and evacuation information. The portable terminal of claim 9, wherein the portable terminal comprises:
A personal location tracking terminal that can track the location of the life in the building or a specific space, is provided in the building or a specific building to carry or wear to a person when an emergency occurs. 10. The method of claim 9,
In the evacuation point designation unit, searching for the position of the first detection sensor to which the emergency signal is first sent, designating the evacuation point according to the position of the first detection sensor, and sending the evacuation information to the mobile terminal information sending unit (f- Stage 1;
Lifesaving method using a portable terminal, characterized in that it further comprises. 10. The method of claim 9,
In the shelter designator, the shelter information of each mobile terminal is designated and sent according to the location of the mobile terminal received through the first location tracker and the user location information received through the sensor node (f-2). )step;
Lifesaving method using a portable terminal, characterized in that it further comprises. 10. The method of claim 9,
(G-1) tracking and transmitting the location of the portable terminal and the location of the portable terminal of the rescuer after the emergency occurs after the designated time;
The rescue situation management unit transmits the location information of the portable terminal to the portable terminal of the rescuer, and transmits accurate location information of each area sensed by the sensor node and transmits the location information of the rescuer to the portable terminal of the rescuer. (G-2) transmitting an access distance to the location of the mobile terminal;
Lifesaving method using a portable terminal, characterized in that it further comprises. (1) downloading, at the application unit, an emergency application for outputting emergency information or evacuation information to the user terminal to a user terminal capable of wireless communication via a wireless network;
In the emergency information receiving unit, (2) receiving information about the emergency;
(3) tracking, by a second location tracking unit, the location of the user terminal on which the application is mounted; And
(4) in the emergency information sending unit, searching for a user terminal located within a specified radius of the area where the emergency occurred and sending the emergency information or evacuation information to the corresponding user terminal;
Lifesaving method using a portable terminal, characterized in that comprises a.

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