KR20170025253A - Safe Evacuation System for optimal evacuation in case of emergency and the method therof - Google Patents

Safe Evacuation System for optimal evacuation in case of emergency and the method therof Download PDF

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Publication number
KR20170025253A
KR20170025253A KR1020150121457A KR20150121457A KR20170025253A KR 20170025253 A KR20170025253 A KR 20170025253A KR 1020150121457 A KR1020150121457 A KR 1020150121457A KR 20150121457 A KR20150121457 A KR 20150121457A KR 20170025253 A KR20170025253 A KR 20170025253A
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emergency
evacuation route
evacuation
risk
information
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KR1020150121457A
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Korean (ko)
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최호림
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주식회사 이에이치개발
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Publication of KR20170025253A publication Critical patent/KR20170025253A/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1025—Paging receivers with audible signalling details
    • G08B3/1033—Paging receivers with audible signalling details with voice message alert
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/06—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using hydraulic transmission; using pneumatic transmission
    • G08B5/14—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using hydraulic transmission; using pneumatic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Alarm Systems (AREA)

Abstract

The present invention relates to safe guidance display system and method in case of emergency and, more specifically, to a system and method which display an evacuation route using a digital information display or a laser light to help people in a space to be safely evacuated in case of emergency such as the occurrence of a disaster. The safe guidance display system in case of emergency according to the present invention comprises: a scanning unit which recognizes the type of emergency and location; a storage unit which stores information on evacuation routes; a central processing unit which calculates the risk of each evacuation route based on information on the type of emergency and the location which are recognized by the scanning unit, and information on the evacuation routes which is read from the storage unit, and generates a safe evacuation route through the calculated risk; a display unit which displays the evacuation route generated by the central processing unit; and a situation broadcasting unit which broadcasts the evacuation route generated by the central processing unit by voice or lighting. According to the present invention, the safe guidance display system and method guides people to the optimal evacuation route and quickly evacuates them from a facility, which is used by many people, when an emergency occurs.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety evacuation system,

The present invention relates to a system and method for inducing safety evacuation in an emergency, and more particularly, to a system and method for guiding safe evacuation in case of an emergency by using a digital information display device or laser light To a system and a method for displaying an evacuation route.

A method of guiding people to escape safely in the space has been used for a long time in case of an emergency such as a disaster in a public space or an indoor space by means of an emergency exit location indicator. In addition, to evacuate the people in the space when an emergency occurs in a limited space, evacuation is guided by the expression of the location of the emergency exit or the propagation of the situation by voice broadcasting.

There are many ways to evacuate safely from public facilities or private spaces in case of a disaster. In recent years, there have been many display means for displaying public information or information in various ways in the space used by multiple users. A method of displaying a safe evacuation route has been proposed.

In the space used by multiple users, emergency situations can be more effectively escaped by different methods of evacuation depending on the type of disaster. In addition, the method of propagating the safe evacuation route should be different according to the same kind of disaster. Only the location mark of the emergency exit can not distinguish the safe evacuation route according to the type of the disaster.

If a disaster occurs in the space used by multiple users, the method of evacuation and the route of evacuation should be presented differently according to the type of disaster. Because disasters such as fire, earthquake and floods cause different damage, it is natural that they should be evacuated according to the type of disaster, and it is necessary to distinguish them and induce evacuation. However, there is a limit to display or propagate an optimal evacuation route by a simple way of expressing the location of an emergency exit light or emergency exit.

Also, depending on the location of the emergency situation such as a disaster in the space used by multiple users, the route that the facility user should evacuate should also be changed. It is also very important to make an optimal escape route based on the information of the location where the emergency occurred and to be able to safely induce it. However, the emergency exit location or evacuation route of the multi-user facility can not be used to indicate the location of the emergency, which may lead to the evacuation to the place where the emergency occurred.

In addition, it will be the most important procedure to propagate the situation to the user in the facility where the multi-user uses the optimal evacuation route indicated by the type and location of the emergency situation, There will be.

Patent Document 1: Japanese Patent Application No. 10-1141740 (54) Title: Evacuation route guidance system using location-based information and method thereof (Patent Attorney Docket No. 0002) Patent No. 10-1059612 A fire emergency indicator system having an LED emergency exit indicator using a low-power wireless sensor

It is an object of the present invention to provide a safety evacuation route in which the evacuation route is displayed in a different manner according to the type of the evacuation, A display system and method are provided.

It is also an object of the present invention to store the information of the evacuation route in a multi-user facility and calculate the risk per evacuation route based on the type of emergency occurrence and location information for safe evacuation according to the location of the emergency location, And displays and propagates an optimum safety evacuation route at the position of the display device.

It is another object of the present invention to provide an emergency emergence safety induction display system and method for effectively propagating a safe evacuation route to a user in an emergency in a multi-user facility space.

In order to attain the above object, an emergency safety indicator system according to the present invention includes a detection unit for recognizing an emergency occurrence type and a position, a storage unit for storing information on an escape route, a type of emergency occurrence from the detection unit, A central processing unit for calculating the risk level for each evacuation route based on the position information and the evacuation route information read from the storage unit, and for generating a safe evacuation route through the calculated risk, displaying the evacuation route generated in the central processing unit And a situation propagation section for propagating the evacuation path generated in the central processing unit to voice or illumination.

In addition, the emergency safety induction display system according to the present invention further includes a situation propagating unit connected to the central processing unit and distinguishing the evacuation path generated from the central processing unit by a color, and displaying the laser beam on a floor, a wall, .

In addition, the emergency safety induction display system according to the present invention further includes a situation propagating unit connected to the central processing unit and converting the evacuation path and the emergency contents generated in the central processing unit into a voice signal and propagating the voice signal through a speaker .

Further, in the emergency safety guidance display system according to the present invention, the safety evacuation route generated in the central processing unit is distinguished by blue or green, which recognizes safety, and the relatively unsafe evacuation route is displayed by the user as a dangerous route And red, or the like, to be displayed on the display unit.

Further, in the emergency safety induction display system according to the present invention, the detecting unit for recognizing the type and location of the emergency occurrence includes a fire detection sensor, a smoke detection sensor, a temperature detection sensor or a vibration sensor in its own system, And further comprising:

In addition, in the emergency safety induction display system according to the present invention, the detecting unit for recognizing the type and location of the emergency occurrence can be classified into a type and a position of a bar-like state from a separate system having an external crime prevention or disaster prevention sensor And further includes a communication module for receiving.

In addition, in the emergency safety guidance display system according to the present invention, the storage unit storing the information on the evacuation route divides the emergency evacuation route of the multi-user utilization facility into zones, Further comprising the step of zoning and storing at predetermined intervals in order to retrieve the optimum safety path.

According to another aspect of the present invention, there is provided a safety induction display method comprising the steps of: recognizing an emergency situation by receiving an emergency type and location information, receiving information on the emergency situation and a self-stored evacuation route, Generating a safe evacuation route based on the risk by the contrast route, the current position information and the emergency exit location information, displaying the evacuated safe evacuation route on the display device, displaying the emergency situation and the safe evacuation route in a visual And a step of propagating the voice signal so as to be perceived by the auditory sense.

In addition, in the safety induction display method according to the present invention, it is possible to distinguish and recognize the types of emergency situations such as a fire flood, earthquake, and gas collapse terror in the step of recognizing an emergency situation type, The method comprising the steps of:

According to another aspect of the present invention, there is further provided a method for calculating a risk for each evacuation route, the method including calculating a risk for each zone according to a preset risk according to a situation.

According to another aspect of the present invention, in the safety induction display method, the step of generating the safe evacuation path may further include generating an optimal path based on the calculated dangerousness of each zone, emergency exit location information, and current location information, do.

According to another aspect of the present invention, there is provided a safety guidance display method, comprising the steps of: displaying a floor plan of an entire facility; displaying an emergency situation occurrence position and a lapse of time on the displayed floor plan; Displaying the risk level for each zone in a color-coded manner, and displaying an optimal safe evacuation route at the current location on the displayed risk level.

According to another aspect of the present invention, there is provided a safety induction display method comprising the steps of: displaying a safety evacuation route using a blue or green laser beam in a step of propagating the emergency situation so that a user can recognize the emergency situation using visual and auditory sense; Further comprising the step of broadcasting by voice guidance.

According to the safety guidance display system and method according to the present invention having the above-described structure, when an emergency occurs in an emergency facility, the user can be guided to an optimal evacuation route to quickly evacuate the user, .

In addition, the system and method for providing an emergency safety indicator according to the present invention has the effect of guiding the route and the route to evacuate safely and quickly according to the types of emergencies.

In addition, since the emergency guidance system and method according to the present invention are guided through the evacuation drawing, the laser beam and the sound output apparatus most suitably at the current position based on the real time location, the user can easily and safely There is an effect that can be evacuated.

1 is a block diagram of an emergency safety indicator system according to the present invention.
2 is a flow chart of an embodiment of the safety guidance display method according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described more specifically with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an embodiment of an emergency safety guidance display system according to the present invention. As shown in FIG. 1, an emergency safety guidance display system according to an embodiment of the present invention includes a central processing unit 15; A display unit 11; A detecting unit 13; A storage unit 19; And a situation propagation unit 17.

The detecting unit 13 detects the type and occurrence position of the emergency state and transmits the detection result to the central processing unit 15.

At this time, the detection unit 13 can directly connect various disaster related sensors such as a fire detection sensor, a smoke detection sensor, a temperature detection sensor, a water level sensor, and an earthquake detection sensor, which are internal disaster management sensors, An emergency situation can be detected by receiving an emergency situation from a device through wire or line communication.

The emergency state information detected from the detection unit 13 is transmitted to the central processing unit 15 in terms of type, degree and position information, and the type and accuracy of the detected information increase the accuracy of the entire safety evacuation route.

The storage unit 19 stores a floor plan or evacuation route information of a facility in which the safety indicator system according to the present invention is located, . At this time, if the information of the disturbance factors such as the distance and the width or the inclination or the stairs is stored at the same time, the central processing unit 15 connected to the storage unit 19 can calculate the more accurate risk and the optimal path.

The central processing unit 15 receives the emergency state information input from the detection unit 13, the escape route information by the position input from the storage unit 19, the emergency position information, and the safety to be displayed on the display unit 11 in the emergency state according to the present invention It is a device to calculate the risk and the optimal safe evacuation route based on the location information of the induction system.

Further, the central processing unit 15 displays the result of calculating the risk and the optimal safe evacuation route on the display unit 11, or transmits the information to the situation propagating unit 17 so as to propagate the emergency situation from the loudspeaker or the speaker It serves to provide.

The display unit 11 is a device for displaying display information on the safe evacuation path calculated by the central processing unit 15, and a digital display device is mainly used.

The display unit 11 displays a safe evacuation route received from the central processing unit 15 when an emergency occurs. In addition, it is a device that enables users to use the evacuation route more safely and quickly by displaying the whole drawing, the route of the dangerous place and the safe place by color.

The situation propagating unit 17 displays a path on the floor, a bottle or a ceiling in blue or green on a safe evacuation route by attaching a laser generator to the evacuation path generated in the central processing unit 15, The direction is to redirect the path to a color that the user is aware of, such as red or yellow. It also receives voice information from the central processing unit 15 through a speaker to alert the emergency situation or outputs the safe evacuation route information by voice.

FIG. 2 is a flowchart illustrating an emergency safety induction display method according to an embodiment of the present invention. Referring to FIG. 2, an emergency safety induction method according to an embodiment of the present invention includes: Step (21); Determining (23) the type of emergency situation; (25) reading facility escape condensation information; (27) receiving emergency situation occurrence location information; Calculating (29) a risk according to the type of emergency; A risk calculation step (31) according to the evacuation route; A risk calculation step (33) according to the generation position; A risk calculation step (35) for each evacuation route zone; A safe evacuation path calculating step 39 including the emergency position information 37 and the installation position information 41 of the safety induction display system according to the present invention; The safe evacuation route display step 43 and the situation propagation step 45, etc., to solve the safety guidance display method according to the present invention. Not all of the above steps are required, and the safety evacuation route can be displayed even if some steps are omitted at times.

First, the emergency situation recognition step 21 is a step of recognizing the emergency situation from the detection unit 13 of the safety guidance indication system according to the present invention, and is the beginning of all procedures.

The emergency state type identification 23 is a step of recognizing the emergency state from the detection unit 13 of the emergency safety indication system according to the present invention by recognizing the type of the emergency state recognized in the recognition step 21, It is linked to the emergency category risk calculation (29) so that the method can be different.

The facility evacuation route information 25 is a step for reading out the evacuation route information in the facility in which the emergency safety guidance indicating system according to the present invention is installed, including the information on the property such as the distance, the inclination, This is the basis for the calculation of the risk of in-zone escape (31).

The emergency situation occurrence location information 27 is a step of receiving information on occurrence of an emergency situation at one or more places. The emergency situation occurrence location information 27 is calculated based on the information obtained from the emergency situation recognition step (21) 33), which is based on location information in the facility, but may also be based on zone information.

Emergency Type Risk calculations (29) can be used to calculate the risk of each evacuation route because the utilization of each evacuation route depends on the type of emergency (23). In case of fire, the risk of each route should be different from that of each route in case of an earthquake, and this risk can be stored beforehand according to the evacuation route or the cave of each emergency situation. The calculated risk is used as the basic data for the risk calculation (35) for each evacuation route area.

The evacuation route risk calculation (31) is the information received from the evacuation route information (25) to calculate the risk according to the facility structure at the current location. This indicates the easiness and difficulty of evacuation by route in the event of an emergency according to the length, width, or slope of the passage, the inclination of the stairs, the presence of the staircase, and the presence of the ventilation facility. The output of the evacuation route risk calculation (31) is used as the basic data of the risk calculation (35) by evacuation route area.

The risk calculation 33 according to the occurrence position calculates the risk according to the position of the emergency situation occurrence position information 27 and the position of each path or zone according to the shape of the distance or the passage. The risk information calculated by the risk calculation (33) according to the occurrence location is used as a basic data of the risk calculation (35) for each evacuation route area.

The risk calculation (35) for each evacuation route area is made by summing up the weights of at least one of the above-mentioned emergency type risk calculation (29), evacuation route risk calculation (31), and risk calculation .

The risk calculated by the evacuation route zone is the basic data of the safe evacuation route calculation (39).

The emergency exit position information 37 is provided to be used for calculating (39) the position of the exit of the emergency exit and is read from the storage unit 19 of FIG.

The current location information 41 is stored in the storage unit 19 of FIG. 1 as a step of providing the current location information for the safe evacuation route calculation 39. FIG.

The safe evacuation route calculation 39 is a calculation of the safest evacuation route calculated by the evacuation route calculation section 35 based on the evacuation information 41 and the emergency exit location information 37 of the safety guidance display system according to the present invention The optimal safety trajectory is calculated from the risk calculation results for each evacuation route area. The algorithm used in this case can use various optimal path calculation algorithms such as the AIDA algorithm.

The safe evacuation path information calculated in the excavation path calculation 39 is transmitted to the user through the various condition propagation units 17 through the safety path display 43 through the display device or the situation propagation unit 45. [

The safe evacuation route display step 43 is a step for displaying the contents calculated in the step of calculating the safe evacuation route 39 together with the floor plan of the facility in which the safety guidance display system according to the present invention is installed. In particular, it is a step that makes it easier, quicker and safer to evacuate by displaying the information of safe evacuation route and hazard evacuation route in color.

The state propagation 45 propagates the emergency state recognized in the recognition step 21 of the emergency situation and the evacuation path calculated in the safe evacuation path calculation 39 or informs the safety path to the laser beam or the speaker.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

11: display unit 13:
15: Central processing unit 17: Situation propagation unit
19:
21: Emergency repayment step 23: Identify the type of emergency situation
25: Facility evacuation route information 27: Emergency situation occurrence location information
29: Emergency type risk calculation 31: Evacuation path risk calculation
33: Risk calculation by location
35: Risk calculation by evacuation route section
37: Emergency exit location information 39: Safe evacuation route calculation
41: Current location information 43: Safe evacuation route indication
45: Propagating the situation

Claims (13)

A detection unit for recognizing the type and position of the emergency occurrence;
A storage unit for storing information of the evacuation route;
A central processing unit for calculating a risk level for each evacuation route based on the type of emergency occurrence recognized by the detection unit and the location information and the evacuation route information read by the storage unit, and for generating a safe evacuation route through the calculated risk;
A display unit for displaying an evacuation path occurring in the central processing unit;
And a state propagation unit for propagating the evacuation path generated in the central processing unit to voice or illumination,
The method according to claim 1,
And a status propagation unit connected to the central processing unit and distinguishing the evacuation path generated from the central processing unit by a color and displaying the laser beam on a floor, a wall, and a ceiling as a laser generation device,
The method according to claim 1,
And a state propagation unit connected to the central processing unit and converting the evacuation path and the emergency contents generated in the central processing unit into a voice signal and propagating the voice signal through a speaker,
The method according to claim 1,
The safe evacuation route generated by the central processing unit is displayed in blue or green for safe recognition and the relatively unsafe evacuation route is displayed on the display unit by distinguishing the red or the like which the user can recognize as a dangerous route The safety guidance display system
The method according to claim 1,
The detection unit for recognizing the type and position of the emergency occurrence may include a fire detection sensor, a smoke detection sensor, a temperature detection sensor, or a vibration sensor in its own system,
The method according to claim 1,
The detection unit for recognizing the type and position of the emergency occurrence may include a communication module for receiving the type and location of the emergency state from a separate system incorporating an external crime prevention or disaster prevention sensor by using wired or wireless communication, Display system
The method according to claim 1,
The storage unit storing the information of the evacuation route divides the emergency evacuation route of the multi-user utilization facility into zones and divides the movable path divided into the zones and the location information of the exit in order to calculate the optimal safety path, The safety guidance display system comprising:
Recognizing an emergency situation by receiving emergency type and location information of the emergency situation;
Calculating a risk level for each evacuation route based on the information of the emergency situation and a self-stored evacuation route;
Generating a safe evacuation route based on the risk by the contrast path, the current location information, and the emergency exit location information;
Displaying the generated safety evacuation path on a display device;
Propagating an emergency situation and a safe evacuation route so as to perceive with visual and auditory sense;
9. The method of claim 8,
Recognizing the type of an emergency situation such as a fire flood, a seismic gas collapse terror, etc. in a step of recognizing an emergency situation type; The method comprising the steps of: receiving positional information of one or more locations where an emergency occurs;
9. The method of claim 8,
Wherein the step of calculating the risk for each evacuation route calculates the risk for each zone according to the predetermined risk according to the situation by location,
9. The method of claim 8,
Wherein the step of generating the safe evacuation route generates an optimal route based on the calculated per-zone risk, emergency exit location information and current location information
9. The method of claim 8,
Wherein the step of displaying the stable evacuation route comprises: displaying an entire facility floor plan;
Displaying the emergency situation occurrence position and the oil lag on the displayed floor plan;
Displaying the risk by zone in a color-coded manner on the displayed floor plan;
Displaying an optimal safe evacuation path at the current location above the indicated risk; Safety induction method including emergency
9. The method of claim 8,
The step of propagating the emergency situation so that the user can recognize the emergency situation by using the visual and auditory sense includes a step of displaying a blue or green laser beam on the safe evacuation route;
A method of displaying an emergency safety induction method characterized by broadcasting a voice announcement using a speaker
KR1020150121457A 2015-08-28 2015-08-28 Safe Evacuation System for optimal evacuation in case of emergency and the method therof KR20170025253A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190128327A (en) * 2018-05-08 2019-11-18 주식회사 씨지에스티앤에프 Disaster alarm system with evacuation guidance function using laser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101059612B1 (en) 2009-02-12 2011-08-25 (주)엘티아이 Fire emergency indication guidance system with LED emergency exit indicator using low power wireless sensor
KR101141740B1 (en) 2010-04-27 2012-05-04 성균관대학교산학협력단 Evacuate route guiding system using location-based information and evacuating method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101059612B1 (en) 2009-02-12 2011-08-25 (주)엘티아이 Fire emergency indication guidance system with LED emergency exit indicator using low power wireless sensor
KR101141740B1 (en) 2010-04-27 2012-05-04 성균관대학교산학협력단 Evacuate route guiding system using location-based information and evacuating method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190128327A (en) * 2018-05-08 2019-11-18 주식회사 씨지에스티앤에프 Disaster alarm system with evacuation guidance function using laser

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