EP3635696A1 - Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre - Google Patents
Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvreInfo
- Publication number
- EP3635696A1 EP3635696A1 EP18728174.6A EP18728174A EP3635696A1 EP 3635696 A1 EP3635696 A1 EP 3635696A1 EP 18728174 A EP18728174 A EP 18728174A EP 3635696 A1 EP3635696 A1 EP 3635696A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drone
- sensor
- flight plan
- docking station
- station
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G08B25/10—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 using wireless transmission systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation 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
- G08B13/194—Actuation 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
- G08B13/196—Actuation 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
- G08B13/19639—Details of the system layout
- G08B13/19647—Systems specially adapted for intrusion detection in or around a vehicle
- G08B13/1965—Systems specially adapted for intrusion detection in or around a vehicle the vehicle being an aircraft
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation 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
- G08B13/194—Actuation 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
- G08B13/196—Actuation 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
- G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation 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
- G08B13/194—Actuation 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
- G08B13/196—Actuation 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
- G08B13/19697—Arrangements wherein non-video detectors generate an alarm themselves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
- B64U2101/31—UAVs specially adapted for particular uses or applications for imaging, photography or videography for surveillance
Definitions
- the present invention relates to a video surveillance method using at least one autonomous drone and a device for its implementation.
- a protected site comprises a network of sensors connected to a central station which is located on the site and which is configured to communicate with a remote monitoring station.
- a remote monitoring station typically, an operator in the remote monitoring station is responsible for monitoring multiple protected sites.
- each sensor is configured to transmit an alarm signal, in the event of an intrusion, for example, which is relayed by the control unit to the monitoring station.
- the operator Upon receipt of this alarm signal, the operator initiates a procedure that generally includes an intervention of a security officer on the site.
- the intervention of the safety officer aims in practice to raise a doubt concerning the alarm signal in order to implement additional means only if the alarm signal is confirmed by the security officer.
- one solution is to distribute cameras on the site to allow the operator present in the remote monitoring station to remove the doubt in case of alarm signal by viewing the images filmed by the cameras.
- US20170115667 describes a method of video surveillance of a site allowing a lifting of doubt.
- several sensors each associated with an identifier are scattered over the site to be monitored. These sensors are connected to a control system configured to transmit an event message to a remote station when one of the sensors detects an incident, said event message comprising at least the identifier of the sensor having detected the incident. .
- the remote station determines a flight plan and transmits to a drone equipped with a camera and positioned on a docking station the flight plan so that the drone flies over the area of the site associated with the sensor having detected the incident. .
- the present invention aims to overcome the disadvantages of the prior art.
- the subject of the invention is a method of video surveillance of a site by means of a video surveillance or alarm device comprising a plurality of sensors and a central unit, each sensor comprising a sensor identifier and being configured for detecting a phenomenon and transmitting an alarm signal to the central unit, characterized in that the method comprises:
- a generation step automatically and autonomously, a request for inspection by the central station for a docking station at which is parked a drone equipped a camera, the inspection request comprising the sensor identifier of the sensor that has emitted the alarm signal and / or a target geographical position associated with the sensor that has sent the alarm signal,
- a step of take-off and flight upon reception by the drone of the flight plan, a step of take-off and flight, automatically and autonomously, of the flight plan by the drone, the flight plan from the docking station to a target geographical position to reach, during the course of the drone, a step of transmitting, in real time, the images filmed by the camera to a remote monitoring station.
- This solution allows an operator positioned in a remote monitoring station and not having the skills to control a drone to be able to raise a doubt about the triggering of an alarm, and without human intervention on the site.
- the flight plan is set up so that, on approach, the camera films the target geographical position to be reached and / or that the drone is flying, on approach, at a height greater than or equal to 20 m and at above the target geographical position and / or taking into account at least one meteorological characteristic.
- the method comprises:
- a step of modifying the flight plan upon receipt of a new alarm signal during the flight of the drone, a step of modifying the flight plan.
- the invention also relates to a video surveillance device of a site for implementing a video surveillance method according to the invention.
- FIG. 1 is a diagram of a site protected by a video surveillance device which illustrates an embodiment of the invention.
- Fig. 2 is a diagram of a video surveillance device which illustrates an embodiment of the invention.
- FIG. 1 shows a site 10 monitored by a video surveillance or alarm device 12 visible in FIG. 2.
- the site 10 is delimited by a perimeter 14.
- the site 10 may comprise at least one construction 16 and / or at least one exclusion zone 18 which can not be overflown by a drone.
- the video surveillance device 12 comprises a plurality of sensors 20 distributed on the site 10, a central unit 22, at least one drone 24 equipped with at least one camera 26 as well as at least one docking station 28 on which the parking space can be parked. drone 24.
- a sensor 20 may be a motion detector, a thermal sensor, an opening detector, a glass break detector, an infrared barrier, a smoke detector or the like.
- the invention is not limited to this list for the sensors 20.
- the number of sensors, their technologies and their positions vary from one site to another and depend on the configuration of the site 10.
- Each sensor 20 is connected to the central unit 22 by a wired or wireless connection.
- Each sensor 20 comprises a sensor identifier IDC1 to IDC8 and occupies a fixed and known geographical position.
- a geographical position of an element corresponds to the coordinates of the element in a coordinate system, such as the GPS coordinates, DGPS of the element.
- Each sensor 20 is configured to detect a phenomenon and transmit an alarm signal to the central unit 22, the alarm signal comprising at least the IDC1 to IDC8 sensor identifier of the sensor 20 which transmits the alarm signal.
- a docking station 28 is configured to receive a drone 24 at a standstill and to recharge it.
- a docking station 28 comprises an enclosure sized to securely store the drone 24 and a movable flap between a closed position in which the drone is enclosed in the enclosure and an open position in which the drone can leave the enclosure.
- the docking station 28 is not further described because it is known to those skilled in the art.
- the number of docking stations 28 and their positioning are determined according to the site 10, so that all the sensors 20 of the site 10 can be inspected by the drone or drones 24.
- the number of docking stations 28 and their positioning are determined in particular according to the geographical positions of the sensors 20 and the autonomy of the drone (s).
- the site 10 includes four docking stations 28.
- Each docking station 28 is associated with one or more drones 24.
- each docking station 28 is associated with a single drone 24.
- each docking station 28 comprises a station identifier IDS1 to IDS4 and occupies a known and fixed geographical position.
- each drone 24 includes a drone identifier.
- Each docking station 28 is connected to the central station 22 by a wired or wireless link 32.
- the video surveillance device 12 comprises a first database 33 which associates, for each sensor 20, a sensor identifier IDC1 to IDC8 and a position geographic target 34.1 to 34.8.
- the target geographical position corresponds to the position of the sensor or to a virtual point close to the sensor.
- the video surveillance device comprises a second database which associates a docking station 28 with each sensor or each target geographical position.
- the first and second databases are a single and same database.
- the database 33 is stored in the central unit 22 and associates, for each sensor 20, a sensor identifier IDC1 to IDC8, a target geographic position 34.1 to 34.8 and a station identifier IDS1 to IDS4.
- the second database is stored in the central station 22 and the first database 33 is stored in each docking station 28.
- the central station 22 is configured to receive an alarm signal from one of the sensors 20 of the site 10 and to issue an inspection request to a docking station 28.
- the central station 22 is configured to determine the dock 28 to which it must transmit the inspection request.
- the inspection request includes the IDC1 to IDC8 sensor identifier of the sensor 20 which has emitted the alarm signal or the target geographic position 34.1 to 34.8 associated with the sensor 20 which has emitted the alarm signal.
- the central unit 22 comprises an input interface 36 which is configured to interpret all the alarm signals coming from the different sensors and to determine at least the sensor ID IDC IDC8 sensor 20 that issued the alarm signal.
- the central unit 22 comprises a first electronic system 38 configured to generate an inspection request and to identify the docking station 28 to be transmitted.
- the central unit 22 includes at the output a communication system 40 for exchanging data with the docking stations 28 and for transmitting, in particular, inspection requests to the docking stations 28.
- Each docking station 28 comprises a first communication system 42 configured to exchange data with the central unit 22 and in particular to receive an inspection request, a second electronic system 44 configured to determine a flight plan 45 from the request for inspection. inspection received and a second communication system 46 configured to exchange data with the drone 24 which is parked on said docking station 28, and in particular to transmit to it the flight plan 45 determined.
- the flight plans 45 to reach the different geographical target positions 34.1 to 34.8 are predefined and recorded in the second electronic system 44. From the IDC sensor IDC IDC8 identifier of the sensor 20 which has emitted the signal d alarm, the second electronic system 44 identifies the predefined flight plan 45 to follow.
- the second electronic system 44 calculates the flight plan 45 to follow. If the inspection request includes the sensor ID IDC IDC8 sensor 20 that issued the alarm signal, the second electronic system 44 determines, from the database 33, the target geographical position 34.1 to 34.8 to achieve.
- each dock 28 includes a map that lists the perimeter 14 of the site as well as any obstacles, constructions 16 or exclusion zones 18.
- the second electronic system 44 calculates the flight plan 45 to follow from the map.
- the video surveillance device comprises at least one meteorological station 48 configured to determine at least one meteorological condition, in particular the wind force and direction. This meteorological information is determined and transmitted in real time to each docking station 28.
- the second electronic system 44 determines the flight plan 45 to follow taking into account this or these condition (s). Meteorological (s).
- the flight plan 45 is set so that on approach, the camera 26 films the target geographic position 34.1 to 34.8 to reach.
- the flight plan 45 is established so that approaching the drone 24 flies to a height greater than or equal to 20 m and above the target geographical position 34.1 to 34.8 to reach.
- the camera 26 films a large area around the target geographic position 34.1 to 34.8 to be reached. This solution avoids having to change the orientation of the camera 26.
- the camera 26 can be fixed relative to the drone 24.
- the flight plan includes a one-way trip to reach the target geographic position 34.1 to 34.8, a hover phase aimed at filming a scene including the target geographic position 34.1 to 34.8 and a return trip to the docking station. 28.
- a single flight plan 45 is transmitted to the drone 24 when it is parked on the docking station 28, prior to its flight. This flight plan 45 can not be changed during the flight.
- a flight plan 45 is transmitted to the drone 24 at any time. Compared to the first operating mode, a new flight plan can be transmitted during the flight. This operating mode makes it possible to be able to modify the flight plan during the mission and thus to change the target geographical position 34.1 to 34.8 to be reached.
- the drone 24 comprises, in addition to the camera 26, an onboard electronics and a communication system configured to exchange information with at least one docking station 28. It also includes at least one software allowing it to follow a flight plan , to land on landing, to define a flight plan from its current position and a geographical position to be reached.
- the on-board electronics Upon receipt of the flight plan, the on-board electronics is configured to trigger the flight of the drone, to enable it to follow a flight plan and transmit in real time the images filmed by the camera 26, preferably associated with the geographical positions of drone.
- the on-board electronics can be adapted to modify the flight plan 45 and make it evolve during the flight.
- the communication system of the drone 24 can transmit the images filmed by the camera 26 to the docking station 28 which retransmits them to the central station 22 or transmit them directly to the central station 22.
- the communication system 40 of the central unit 22 can transmit data to a docking station 28 which retransmits them to the drone 24 or transmit them directly to the drone 24.
- the video surveillance device 12 comprises a communication system 60 for exchanging data with a monitoring station 62 remote from the site 10, configured in particular to transmit images filmed by the drones 24 to the monitoring station 62 or to receive an emergency signal from the surveillance station 62.
- the communication system 60 is integrated with the central unit 22.
- the monitoring station 62 comprises at least one screen 64 for displaying the images filmed by the drones 24 and at least one stop button.
- a monitoring station 62 may communicate with a plurality of video surveillance devices 12 according to the invention to remotely monitor several sites 10.
- the monitoring station 62 may comprise, for each site 10, a screen 64 which is dedicated or screens 64 which are shared and allow viewing images from several sites 10.
- each site 10 includes a site identifier which is associated with the images transmitted by the central 22 of the site 10 so as to allow an operator present in the monitoring station 62 to determine the origin of the images.
- the video surveillance device 12 comprises means for periodically testing the proper functioning of the communication between at least two elements of the video surveillance device, more generally of all the communications between the different elements (sensor / central, central / docking station). , docking station / drone, central / monitoring station). For each communication connecting two elements, at least one periodic signal with a frequency less than one minute, preferably less than 2 s is transmitted between the two connected elements. If one of them does not receive the periodic signal then a malfunction is identified. When a malfunction is identified, the return of the drone to the docking station is triggered.
- the video surveillance method is now described with reference to FIGS. 1 and 2.
- a sensor 20 When a sensor 20 detects a phenomenon, such as a movement for example, it emits an alarm signal that is transmitted to the central unit 22.
- This alarm signal comprises at least the IDC1 sensor IDC8 sensor identifier that issued the alarm signal.
- the sensor 20 carrying the IDC3 sensor identifier emits an alarm signal.
- the control unit 22 determines the docking station 28 associated with the sensor 20 which has emitted the alarm signal, automatically and autonomously generates an inspection request which is transmitted to the alarm station. 28 home determined.
- This inspection request includes the IDC1 sensor IDC8 IDC8 and / or the target geographic position 34.1 to 34.8 associated with the sensor 20 that issued the alarm signal.
- the control panel 22 determines that it must transmit the inspection request to the reception base 28 carrying the station identifier IDS2.
- the inspection request comprises at least the IDC3 sensor identifier or the target geographical position 34.3 to be reached.
- the docking station 28 Upon receipt of the request, the docking station 28 automatically and autonomously determines a flight plan 45 that it communicates to the drone 24 and which is associated with a flight plan initiation instruction 45.
- the Flight paths 45 are:
- each of them is associated with a sensor 20 and / or a target geographic position 34.1 to 34.8 to be reached, or
- the drone 24 Upon receipt of the flight plan 45, the drone 24 takes off and runs the flight plan 45 automatically and autonomously. During the flight, the camera 26 films the scene overflown by the drone 24. The images filmed by the camera 26 are transmitted in real time to the surveillance station 62. From the images filmed by the camera 26, especially during the flight over the target geographical position to be reached by the drone 24, the operator can remove the doubt concerning the alarm signal emitted by the sensor 20. Thus according to the invention, without the need for human intervention on the site, it is possible through a procedure automatic and autonomous to raise a doubt from the remote monitoring station 62.
- the station 22 when during the flight a new alarm signal is emitted by a new sensor 20, the station 22 generates a new inspection request. If this request is transmitted to the same docking station 28, the latter determines a new flight plan and communicates it to the drone 24 in flight which then follows the new flight plan.
- This solution makes it possible to perform a monitoring operation, within the limits of the autonomy of the drone 24.
- the operator positioned in the remote monitoring station 62 can by pressing the emergency stop button 66 order the drone to land.
- a landing instruction issued by the emergency stop button is relayed by the central unit 22 and the docking station 28 to the drone 24 which, upon receipt, triggers a landing procedure.
- the central unit 22 and / or the docking station 28 and / or the drone 24 generates (s) a landing instruction transmitted and executed by the drone 24.
- the docking station determines, automatically and autonomously, the flight plan and transmits it to the drone and that this step is not performed by the central unit 22 which can be positioned at the station. outside the site, at a significant distance from the drone (s).
- the flight plan is voluminous information and generally sensitive in terms of security that is exchanged between the docking station and the drone that are very close and communicate via short-range and high-speed communication protocols. . Thus, this information never transits outside the site.
- the central unit 22 receives and transmits small and insensitive information.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1755160A FR3067473B1 (fr) | 2017-06-09 | 2017-06-09 | Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre |
| PCT/EP2018/064968 WO2018224578A1 (fr) | 2017-06-09 | 2018-06-07 | Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3635696A1 true EP3635696A1 (fr) | 2020-04-15 |
Family
ID=60080911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18728174.6A Withdrawn EP3635696A1 (fr) | 2017-06-09 | 2018-06-07 | Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3635696A1 (fr) |
| FR (1) | FR3067473B1 (fr) |
| WO (1) | WO2018224578A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018224578A1 (fr) | 2017-06-09 | 2018-12-13 | Drone Protect System | Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067160A (zh) * | 2020-09-09 | 2020-12-11 | 山东联合电力产业发展有限公司 | 一种输电线路监控无人机及监控方法 |
| CN113593163A (zh) * | 2021-07-29 | 2021-11-02 | 上海品蓝信息科技有限公司 | 一种无人机无人值守综合管理平台 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8948935B1 (en) * | 2013-01-02 | 2015-02-03 | Google Inc. | Providing a medical support device via an unmanned aerial vehicle |
| WO2017059395A1 (fr) * | 2015-09-30 | 2017-04-06 | Stephen Scott Trundle | Services d'intervention d'urgence améliorés grâce à des drones |
| EP3281399B1 (fr) * | 2015-04-07 | 2019-10-23 | Pixiel | Systeme de declenchement du decollage d'un drone a la suite de la detection d'un evenement survenu a un endroit determine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014203620A1 (fr) | 2013-06-19 | 2014-12-24 | ソニー株式会社 | Dispositif de commande de communication, procédé de commande de communication et terminal |
| US10301018B2 (en) * | 2014-10-17 | 2019-05-28 | Tyco Fire & Security Gmbh | Fixed drone visualization in security systems |
| KR102279136B1 (ko) * | 2014-12-08 | 2021-07-21 | 주식회사 케이티 | 드론,드론 관리 서버 및 이들에 의한 드론의 비행 제어 방법 |
| US9494936B2 (en) * | 2015-03-12 | 2016-11-15 | Alarm.Com Incorporated | Robotic assistance in security monitoring |
| US9819911B2 (en) * | 2015-07-13 | 2017-11-14 | Honeywell International Inc. | Home, office security, surveillance system using micro mobile drones and IP cameras |
| US10135218B2 (en) | 2015-10-02 | 2018-11-20 | Ayar Labs, Inc. | Multi-wavelength laser system for optical data communication links and associated methods |
| US10283000B2 (en) * | 2015-10-23 | 2019-05-07 | Vigilair Limited | Unmanned aerial vehicle deployment system |
| FR3067473B1 (fr) | 2017-06-09 | 2019-06-28 | Drone Protect System | Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre |
-
2017
- 2017-06-09 FR FR1755160A patent/FR3067473B1/fr not_active Expired - Fee Related
-
2018
- 2018-06-07 WO PCT/EP2018/064968 patent/WO2018224578A1/fr not_active Ceased
- 2018-06-07 EP EP18728174.6A patent/EP3635696A1/fr not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8948935B1 (en) * | 2013-01-02 | 2015-02-03 | Google Inc. | Providing a medical support device via an unmanned aerial vehicle |
| EP3281399B1 (fr) * | 2015-04-07 | 2019-10-23 | Pixiel | Systeme de declenchement du decollage d'un drone a la suite de la detection d'un evenement survenu a un endroit determine |
| WO2017059395A1 (fr) * | 2015-09-30 | 2017-04-06 | Stephen Scott Trundle | Services d'intervention d'urgence améliorés grâce à des drones |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2018224578A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018224578A1 (fr) | 2017-06-09 | 2018-12-13 | Drone Protect System | Procede de videosurveillance utilisant au moins un drone autonome et dispositif pour sa mise en oeuvre |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018224578A1 (fr) | 2018-12-13 |
| FR3067473B1 (fr) | 2019-06-28 |
| FR3067473A1 (fr) | 2018-12-14 |
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