KR20170107337A - Monitoring camera system been in far apart without connecting internet - Google Patents

Monitoring camera system been in far apart without connecting internet Download PDF

Info

Publication number
KR20170107337A
KR20170107337A KR1020160031202A KR20160031202A KR20170107337A KR 20170107337 A KR20170107337 A KR 20170107337A KR 1020160031202 A KR1020160031202 A KR 1020160031202A KR 20160031202 A KR20160031202 A KR 20160031202A KR 20170107337 A KR20170107337 A KR 20170107337A
Authority
KR
South Korea
Prior art keywords
camera
junction box
wireless
surveillance
power supply
Prior art date
Application number
KR1020160031202A
Other languages
Korean (ko)
Inventor
유명호
이종민
박근
이재완
김동진
전창원
Original Assignee
주식회사 세모콘
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 세모콘 filed Critical 주식회사 세모콘
Priority to KR1020160031202A priority Critical patent/KR20170107337A/en
Publication of KR20170107337A publication Critical patent/KR20170107337A/en

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19654Details concerning communication with a camera
    • G08B13/19656Network used to communicate with a camera, e.g. WAN, LAN, Internet
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19654Details concerning communication with a camera
    • G08B13/1966Wireless systems, other than telephone systems, used to communicate with a camera
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19678User interface
    • G08B13/19684Portable terminal, e.g. mobile phone, used for viewing video remotely
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

The present invention provides a monitoring camera system in a remote plate without connecting to internet, which includes an IP camera for acquiring and storing an image of a surveillance area to which an internet network can not be connected, and a junction box which receives a power supply unit for supplying power to the IP camera, a wireless access point (AP) for transmitting the image stored in the IP camera to a portable terminal of a manager through WiFi, and a GPS module for acquiring information about a location in which the IP camera is installed. According to the present invention, the manager can monitor a surveillance field image by the portable terminal through the wireless AP in the junction box to monitor the field of the place where the internet network is not connected.

Description

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

The present invention relates to a surveillance camera system, and more particularly, to a surveillance camera system installed at a remote site where an internet cable is not installed and thus can not be connected to the Internet to monitor a site.

In general, CCTV (Closed Circuit Tele-Vision) is widely used for access control and crime prevention in homes, offices, department stores, banks, factories, exhibition halls, hospitals, Recently, a lot of crime has been installed in the underground parking lot where the crime frequently occurs, the elevator, the road for parking control, or the residential area where various accidents occur frequently. The surveillance camera connects to the management server through the Internet or local area network (LAN) and transmits the acquired image to the management server. The management server can monitor the scene by checking the image transmitted from the surveillance camera through the monitor in real time have.

An illumination integrated type surveillance camera system of Korean Patent Registration No. 1336724 is disclosed as a prior art related to the present invention. In the prior art, a plurality of integrated lighting surveillance cameras integrated with an LED light, an IP camera, a GPS control module, and a wireless module can be remotely monitored by communicating with an integrated control room control unit through an integrated security AP.

However, unlike the prior art, it is necessary to install a surveillance camera for monitoring the site in remote areas (such as an urban area, a mountainous area, a desert, etc.) where the internet cable can not be installed due to problems such as cost or geographical location. In this case, the surveillance camera installed at the remote site can not be connected to the Internet, and thus the acquired image can not be transmitted to the management server through the Internet.

Therefore, a remote surveillance camera system without internet connection is needed to monitor the images stored in the surveillance cameras installed at the remote sites.

Korean Registered Patent No. 10-1336724 (November 31, 2013)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a surveillance camera installed in a remote place where an internet cable is not installed, And to provide a surveillance camera system at a remote location.

According to an embodiment of the present invention, a surveillance camera system of a remote site not connected to the Internet, which is an embodiment of the present invention, includes an IP camera for acquiring and storing an image of a surveillance area to which the Internet network can not connect, A power supply unit, a wireless AP for transmitting an image stored in the IP camera to the manager portable terminal through WiFi, and a GPS module for acquiring location information and time information in which the IP camera is installed And a junction box.

According to an embodiment of the present invention, the administrator portable terminal receives location data from an IP camera and combines it with map information stored in a portable terminal to display an installation area of the current IP camera.

According to an embodiment of the present invention, the power supply unit may include a power breaker that automatically cuts off the power when an abnormality occurs in the power supply such as an overcurrent, a short circuit, a short circuit, And an uninterruptible power supply (UPS) including a rectifier and an inverter, and a battery for continuously supplying power to an IP camera or the like during a power failure.

According to an embodiment of the present invention, the power supply unit is formed of a solar cell module.

According to an embodiment of the present invention, wireless APs stored in the junction box are connected to each other through a multi-bridge or wireless distributed system, and a wireless AP of a surveillance camera at the final stage is connected to the Internet network do.

According to an embodiment of the present invention, there is provided a junction box connecting plate to which a rear surface of a junction box is coupled, a plurality of band through holes extending from side surfaces of the junction box, A camera bracket to which the IP camera is fastened, and a camera bracket connecting plate which is fixed on one side of the junction box connecting plate and is protruded above the junction box and fastened to the camera bracket, And the other side of the camera bracket connecting plate is screwed to the upper surface of the junction box via the upper surface fixing member so as to support the weight of the IP camera.

According to the present invention, in order to monitor a site in an area to which an internet network is not connected, an administrator can monitor a monitoring site image through a wireless terminal through a wireless terminal in a junction box.

In addition, each surveillance camera system including the wireless AP is connected through a multi-bridge or wireless distributed system, and when the wireless AP of the surveillance camera at the final stage is connected to the internet network, Can be efficiently performed.

In addition, durability can be improved by screwing the other side of the camera bracket connecting plate receiving the load of the IP camera to the upper surface of the junction box through the upper surface fixing member.

1 is a schematic diagram of a surveillance camera system in accordance with an embodiment of the present invention.
2 is a configuration diagram of a surveillance camera system according to an embodiment of the present invention.
FIGS. 3A and 3B are layout diagrams of a power unit, a wireless AP, and a GPS module installed in a junction box according to an embodiment of the present invention.
4A and 4B are views showing a fixing unit for fixing the junction box and the camera according to the embodiment of the present invention to a predetermined area.
FIG. 5 is a diagram illustrating a surveillance camera system that acquires images stored in respective cameras by network connection among a plurality of wireless APs according to an exemplary embodiment of the present invention. Referring to FIG.
6 is a block diagram of a surveillance camera according to an embodiment of the present invention.

The following detailed description is merely illustrative, and is merely an example of the present invention. Further, the principles and concepts of the present invention are provided for the purpose of being most useful and readily explaining.

Accordingly, it is not intended to provide a more detailed structure than is necessary for a basic understanding of the present invention, but it should be understood by those skilled in the art that various forms that can be practiced in the present invention are illustrated in the drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram of a surveillance camera system in accordance with an embodiment of the present invention.

1, the surveillance camera system 1000 includes an IP camera 100 for acquiring and storing an image of a surveillance region, a power supply unit for supplying power to the IP camera 100, And a junction box 200 in which a wireless AP (Access Point) for transmitting an image to the administrator portable terminal 400 through WiFi and a GPS module for acquiring location information in which an IP camera is installed can do. The IP camera 100 and the junction box 200 can be fixed to a predetermined height of an object (such as a telephone pole or a tree) in the surveillance area through the fixing part 300. [

The IP camera 100 is installed in a remote place (an outskirts area, a mountainous area, a desert or the like) where the Internet network can not be connected, and the administrator can set up the IP camera 100 when patrolling an area where the IP camera 100 is installed. The manager portable terminal 400 can monitor the image stored for a predetermined period. The manager portable terminal 400 may be a smart phone, a tablet PC, or the like including a wireless communication module capable of transmitting image data through wireless communication with a wireless AP installed in a junction box. When the manager portable terminal 400 is connected to the IP camera through wireless communication, the manager portable terminal 400 receives location data from the IP camera and combines it with the map information stored in the portable terminal to display an application area of the current IP camera (Apps) can be installed. The administrator can display the image data stored in the IP camera by driving an application installed in the portable terminal. If the portable terminal is a smart phone, the administrator can transmit the image data to the management server through the mobile communication network.

FIG. 6 is a block diagram of a surveillance camera according to an embodiment of the present invention. Referring to FIG. 6, the IP camera 100 can transmit an image recorded with a unique IP address through a network, A storage unit 130 for storing the image data acquired by the image processing unit 110, and a wireless AP connected to the wireless AP accommodated in the junction box to transmit the image data. And a control unit 120 that controls the communication unit 140 and the IP camera to capture, record, and transmit image data. The control unit 120 may delete the image stored for a predetermined period of time in consideration of the capacity of the storage unit 130 so that the latest image can be stored. In addition, when the administrator portable terminal enters the communication range of the wireless AP installed in the junction box 200, the controller 120 detects the entry and transmits the image data recorded in the post-authentication storage unit via wireless communication To the manager portable terminal. On the other hand, the controller 120 processes the acquired image to detect the motion of the object in the image, or if the impact obtained through the shock sensor (not shown) exceeds the preset reference value, recognizes the impact as an event and deletes the corresponding image It can be controlled so as to be continuously stored. The control unit 120 performs time synchronization during image storage using the location information and time information acquired from the GPS module, and can transmit the location information to the administrator portable terminal.

Accordingly, the surveillance camera system 1000 is installed at a remote site that can not be connected to the Internet due to cost or geographical characteristics, acquires the image of the surveillance region, and transmits the acquired image to the portable terminal of the administrator, Can be monitored.

Hereinafter, a configuration of the IP camera, which is housed in the junction box and can provide power supply, wireless communication support, and location information to the IP camera will be described in detail with reference to FIG. 2 and FIG. 3B.

FIG. 2 is a configuration diagram of a surveillance camera system according to an embodiment of the present invention, and FIGS. 3A and 3B are a layout diagram of a power unit, a wireless AP, and a GPS module installed in a junction box according to an embodiment of the present invention.

2, the junction box 200 may include a power breaker 210, a multi-tap 230, a battery 220, a wireless AP 250, and a GPS module 260. The power supply unit for supplying power to the IP camera 100 includes a power breaker 210 for automatically shutting off the power when an abnormality such as an overcurrent, a short circuit, a short circuit or the like occurs, A multi-tap 230, and a battery 220 for continuously supplying power to the IP camera during a power failure. Here, in order to continuously supply power to the IP camera and the like for a predetermined time through the battery when a power failure occurs, the power unit receives an uninterruptible power supply (UPS) including a rectifier and an inverter ). In addition, when a surveillance camera system is installed in an area where commercial power can not be supplied, the power unit can supply power through the solar (optical) battery module. The specific configuration for supplying power to the IP camera or the like using the solar (optical) battery module is obvious to those skilled in the art and will be omitted.

3A, the battery adapter 250 that outputs a predetermined voltage and current to charge the battery 220 may be connected to the power supply 230 via the battery adapter plug 241, The wireless AP adapter 251 may be connected to the multi-tap 230 to supply a predetermined voltage and current to the AP 250. [ 3B, a power circuit breaker 210, a power strip 230, a battery 220, a wireless AP 250, and a GPS module 260 are mounted on a fixing plate 202 in a fixing member 202, 203, 204), and the like.

4A and 4B are views showing a fixing unit for fixing the junction box and the camera according to the embodiment of the present invention to a predetermined area.

4A, the fixing unit 300 includes a junction box connecting plate 310 to which the rear surface of the junction box 200 is coupled, a plurality of band through holes 321 extending through the sides of the junction box, One side is fixed to the upper side of the junction box connecting plate 310 and the camera bracket 340 to which the extension camera 320 is fastened by tightening the band, the IP camera is fastened, And a camera bracket connecting plate 330 projected above the junction box and fastened to the camera bracket 340. 4B, the camera bracket 340 is composed of an upper bracket 341 and a lower bracket 342. The camera bracket 340 can adjust the monitoring angle up, down, left, and right to set a monitoring range of the IP camera, . The camera bracket 340 has a monitoring angle guide groove 343 formed on the lower surface of the side bracket and the lower bracket of the upper bracket and the lower bracket to adjust the monitoring angle, It is possible to move and fix the bracket of the bracket. The other side of the camera bracket connecting plate 330 may be screwed to the upper surface of the junction box 200 through the upper surface fixing member 331 to support the weight of the IP camera.

FIG. 5 is a diagram illustrating a surveillance camera system that acquires images stored in respective cameras by network connection among a plurality of wireless APs according to an exemplary embodiment of the present invention. Referring to FIG.

5, when a surveillance camera system including wireless APs stored in the junction box 200 is installed in an object (for example, a telephone pole) arranged at regular intervals, each surveillance camera system is supported by a wireless AP (WDS) function, which is a multi-bridge or wireless communication system. For example, when a surveillance camera system is installed on a telephone pole, the distance (D) between the telephone poles is about 50 meters, and the communication distance of the wireless AP is less than 100 meters, so that two nearby surveillance cameras can be connected through wireless communication. By extending this, the surveillance camera system can form a network through wireless communication in a cascade format. Therefore, when the surveillance cameras at the final stage are connected to the network 10 by wire, the image data stored in the plurality of IP cameras are connected to the respective IP cameras at the management server 20, can do.

Accordingly, when a plurality of surveillance cameras are connected to each other through a multi-bridge or a wireless distributed system, and a wireless AP of a surveillance camera at the final stage is connected to the Internet, the range of wireless communication can be extended, It is possible to efficiently perform on-site monitoring at a remote site.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, I will understand.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by equivalents to the appended claims, as well as the appended claims.

100: IP camera 200: junction box
202: fixing plate 203, 204: fixing member
210: Power breaker 220: Battery
230: Multi-tap 240: Battery adapter
241: Battery adapter plug 250: Wireless AP (ACCESS POINT)
251: Wireless AP adapter 260: GPS module
300: fixing part 310: junction box connection plate
320: connecting plate 321: band through hole
330: camera bracket connecting plate 331: upper fixing member
340: Camera bracket 350: Band
1000: Surveillance camera system

Claims (6)

An IP camera 100 for acquiring and storing an image of a surveillance area to which the Internet network can not be connected, a power supply unit for supplying power to the IP camera 100, a wireless LAN (WiFi) And a junction box 200 in which a wireless AP (Access Point) to be transmitted to the manager portable terminal 400 and a GPS module for acquiring position information and time information in which the IP camera is installed are connected Remote surveillance camera system.
The method according to claim 1,
Wherein the administrator portable terminal (400) receives location data from an IP camera and combines it with map information stored in the portable terminal to display an installation area of the current IP camera.
The method according to claim 1,
The power supply unit includes a power breaker 210 for automatically shutting off the power when a power supply abnormality such as an overcurrent, a short circuit, a short circuit or the like occurs, a multi-tap 230 for branching the commercial power to a battery and a wireless AP, And an uninterruptible power supply (UPS) including a rectifier and an inverter. The surveillance camera system according to claim 1,
The method according to claim 1,
Wherein the power supply unit comprises a solar cell module.
The method according to claim 1,
Wherein the wireless APs connected to the junction box are connected to each other through a multi-bridge or a wireless distributed system, and a wireless AP of a surveillance camera at the final stage is connected to the internet network.
The method according to claim 1,
A plurality of band through holes 321 extending through the respective side surfaces of the junction box and through which the band is passed are formed to connect the rear surface of the junction box 200 to the object to be installed, The camera bracket 340 and the junction box connecting plate 310 are fixed to one side of the extension plate 320, the camera bracket 340 and the junction box connecting plate 310, Further comprising a fixing part (300) including a camera bracket connecting plate (330) to be fastened,
Wherein the other side of the camera bracket connecting plate (330) is screwed to the upper surface of the junction box (200) through the upper surface fixing member (331) to support the weight of the IP camera.


KR1020160031202A 2016-03-15 2016-03-15 Monitoring camera system been in far apart without connecting internet KR20170107337A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160031202A KR20170107337A (en) 2016-03-15 2016-03-15 Monitoring camera system been in far apart without connecting internet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160031202A KR20170107337A (en) 2016-03-15 2016-03-15 Monitoring camera system been in far apart without connecting internet

Publications (1)

Publication Number Publication Date
KR20170107337A true KR20170107337A (en) 2017-09-25

Family

ID=60035152

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020160031202A KR20170107337A (en) 2016-03-15 2016-03-15 Monitoring camera system been in far apart without connecting internet

Country Status (1)

Country Link
KR (1) KR20170107337A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102129753B1 (en) * 2019-03-29 2020-07-06 박순구 Small cell base station based on 5g mobile communication
KR102129750B1 (en) * 2019-03-22 2020-07-06 박순구 Small cell base station based on 5g mobile communication
KR102160991B1 (en) * 2020-05-21 2020-09-29 이상기 CCTV surveillance system for illegal dumping of solar power
CN116914929A (en) * 2023-07-12 2023-10-20 深圳市恺恩科技有限公司 Image monitoring device of power transmission system and power transmission system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102129750B1 (en) * 2019-03-22 2020-07-06 박순구 Small cell base station based on 5g mobile communication
KR102129753B1 (en) * 2019-03-29 2020-07-06 박순구 Small cell base station based on 5g mobile communication
KR102160991B1 (en) * 2020-05-21 2020-09-29 이상기 CCTV surveillance system for illegal dumping of solar power
CN116914929A (en) * 2023-07-12 2023-10-20 深圳市恺恩科技有限公司 Image monitoring device of power transmission system and power transmission system

Similar Documents

Publication Publication Date Title
US10605473B2 (en) Intelligent LED bulb and vent method, apparatus and system
US7852211B2 (en) Mobile surveillance and security system, surveillance and security system having a mobile surveillance and security unit, and methods of operating the same
KR101829040B1 (en) Intelligent system that tele-diagonoses, and tele-operates modular devices attached to a modular facility
KR20170107337A (en) Monitoring camera system been in far apart without connecting internet
CN206771167U (en) A kind of intelligent things street lamp
KR101195703B1 (en) Monitoring system using ip camera having a functiom of translation
US20160337617A1 (en) Tactical modular perimeter surveillance and monitoring device
KR101507978B1 (en) Versatile closed circuit television security system
KR20190124454A (en) Fire detector and system capable of measuring heat distribution
KR20220011764A (en) Attachable CCTV system including flexible solar cell array portion and mobile communication portion
RU122511U1 (en) OFFLINE POST VIDEO HEATING SURVEILLANCE "VIDEO DETECTOR"
KR20210137976A (en) Portable Apparatus for Safety Management in Construction Site and Driving Method
KR100926179B1 (en) Unmanned system for preventing crimes
KR20110103690A (en) Led light having cctv system
KR102428477B1 (en) Cctv camera system for detecting moving object
KR101554345B1 (en) Security system having a indefendent source
KR20220108257A (en) Internet of Thing multifunction integration module system and method for Smart city
KR102187768B1 (en) Integrated control system and method for multi-functional cctv
KR100902016B1 (en) An outdoor spy camera system
CN105388910A (en) An aircraft wireless monitoring system and method for monitoring large-scale factory buildings
JP5966456B2 (en) adapter
CN105635694A (en) Long-distance wireless video surveillance system established based on WIFI local area network
JP3205663U (en) Wi-Fi street light
JP2014099729A (en) Facility abnormality detecting system
KR20050028170A (en) A remote control system for manless lighthouses

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application