CN109032170B - Unmanned aerial vehicle-based field distress method - Google Patents
Unmanned aerial vehicle-based field distress method Download PDFInfo
- Publication number
- CN109032170B CN109032170B CN201810678125.8A CN201810678125A CN109032170B CN 109032170 B CN109032170 B CN 109032170B CN 201810678125 A CN201810678125 A CN 201810678125A CN 109032170 B CN109032170 B CN 109032170B
- Authority
- CN
- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- mobile phone
- distress
- bluetooth
- 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.)
- Active
Links
- 230000009429 distress Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000003321 amplification Effects 0.000 claims abstract description 23
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 23
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
An unmanned aerial vehicle-based field distress method comprises an unmanned aerial vehicle, a mobile phone base station, a mobile phone and a Bluetooth bracelet; the unmanned aerial vehicle comprises an unmanned aerial vehicle body and an unmanned aerial vehicle remote controller, the unmanned aerial vehicle body is provided with a flight control system, the mobile phone base station comprises an antenna, a mobile phone fixing device, a mobile phone signal amplification module and a Bluetooth signal amplification module, the outdoor distress call method based on the unmanned aerial vehicle is characterized in that the unmanned aerial vehicle is opened when no signal is available in the outdoor distress mobile phone, the mobile phone base station is installed on the unmanned aerial vehicle body, the mobile phone is installed on the mobile phone base station through the mobile phone fixing device, the unmanned aerial vehicle is controlled to fly to the sky by using the unmanned aerial vehicle remote controller to search for a position with a signal, and a Bluetooth bracelet is used for calling for help after the signal is searched.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicle application, in particular to a method for asking for help in field in danger based on an unmanned aerial vehicle.
Background
Because the network does not reach the full coverage at present, the open-air deep mountain and low-lying place are more serious, and outdoor fans, mountain climbing fans, open-air exploration teams, open-air geological prospecting personnel and the like can not effectively send out distress signals if no network exists in danger. The rescue can be implemented only when the search and rescue personnel obtain the help-seeking information before the search and rescue, the people in distress can only wait for the relatives or friends to find the loss alarm if the distress-seeking signal is sent out without condition, so that the rescue team can not know the accurate position of the people in distress exactly and can only search a certain area, and therefore the rescue team is too passive, the optimal rescue time is delayed, and the rescue efficiency is reduced.
Chinese patent application No.: 201310237307.9 discloses a method for searching and positioning field-opening target by unmanned aerial vehicle. The method comprises the steps of searching for a target in the open field by two searching unmanned aerial vehicles, transmitting a visual image through a wireless system of the unmanned aerial vehicles, and performing positioning iterative computation through multipoint visual angle switching of the unmanned aerial vehicles and the posture information, the height information and the GPS positioning information of the unmanned aerial vehicles after the target is locked to obtain specific positioning information of the target in the open field. The searching and positioning method can be widely applied to target positioning of unmanned aerial vehicle target searching, and the method is not suitable for assisting mobile phone searching signals and sending distress signals.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle-based outdoor distress calling method, which can effectively find a position with a mobile phone signal by setting a remote control unmanned aerial vehicle carrying a mobile phone and a mobile phone base station, and effectively send a distress signal at the first time by dialing and calling for help through a Bluetooth bracelet, thereby providing the most effective rescue guide for a rescue team, reducing the time wasted by blind search and rescue, and increasing the maximum survival rate of people in distress.
An unmanned aerial vehicle-based outdoor distress method comprises an outdoor distress system, wherein the outdoor distress system comprises: the system comprises an unmanned aerial vehicle, a mobile phone base station, a mobile phone and a Bluetooth bracelet;
the unmanned aerial vehicle comprises an unmanned aerial vehicle body, a camera, a lighting lamp, a data processing transmission module and an unmanned aerial vehicle remote controller, wherein the unmanned aerial vehicle body is provided with a flight control system, the data processing transmission module uses Bluetooth to transmit data, the camera is used for shooting surrounding conditions and transmitting shot pictures to a mobile phone through the data processing transmission module, the mobile phone base station is installed on the unmanned aerial vehicle body and comprises an antenna, a mobile phone fixing device, a mobile phone signal amplification module and a Bluetooth signal amplification module, the mobile phone signal amplification module is used for amplifying 2G/3G/4G mobile phone signals, and the Bluetooth signal amplification module is used for amplifying Bluetooth signals between the mobile phone and a Bluetooth bracelet;
the field distress method based on the unmanned aerial vehicle comprises the following steps:
when going out, open unmanned aerial vehicle and camera when need be look for in open-air subsides danger, if the light is then opened night, open bluetooth of the mobile phone again, be connected with data processing transmission module bluetooth, utilize the unmanned aerial vehicle remote controller to control the unmanned aerial vehicle body and to flying the search all around, pass through data processing transmission module through the picture that light and camera will shoot and pass to the cell-phone, look for safe suitable going out.
Secondly, when the mobile phone in distress in the field does not have a signal, open unmanned aerial vehicle, pass through cell-phone fixing device with the cell-phone again and install on the cell-phone base station, utilize the unmanned aerial vehicle remote controller to control the unmanned aerial vehicle body and fly to the sky and look for the position that has the signal, utilize the bluetooth bracelet to dial the call and ask for help after searching the signal.
Preferably, the unmanned aerial vehicle body is collapsible unmanned aerial vehicle, can hand-carry.
Preferably, the mobile phone base station is provided with a power supply and supplies power to the mobile phone signal amplification module and the Bluetooth signal amplification module.
Preferably, the antenna is electrically connected with the mobile phone signal amplification module.
Preferably, the unmanned aerial vehicle body is from taking the power, and this power is solar charging power.
Preferably, the flight control system that unmanned aerial vehicle body has is embedded flight control system
Preferably, the unmanned aerial vehicle body is from taking the power, and this power is solar charging power.
The invention has the advantages that: carry cell-phone and cell-phone base station can effectively seek the position that has the cell-phone signal through setting up remote control unmanned aerial vehicle to through bluetooth bracelet dialing SOS, the effectual very first time sends SOS signal, provides the most effective rescue for the rescue team and guides and reduce the time that blind search and rescue was wasted, increases the biggest probability of surviving in danger of personnel.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of a system of the method of the present invention;
FIG. 3 is a schematic diagram of a second system of the method of the present invention;
FIG. 4 is a flow chart of a method of the present invention;
FIG. 5 is a flow chart of a second method of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a method for asking for help in a field distress based on an unmanned aerial vehicle includes a system for asking for help in a field distress, the system for asking for help in a field distress further includes: the system comprises an unmanned aerial vehicle, a mobile phone base station, a mobile phone and a Bluetooth bracelet;
the unmanned aerial vehicle comprises an unmanned aerial vehicle body, a camera, a lighting lamp, a data processing transmission module and an unmanned aerial vehicle remote controller, wherein the unmanned aerial vehicle body is provided with a flight control system, the data processing transmission module uses Bluetooth to transmit data, the camera is used for shooting surrounding conditions and transmitting shot pictures to a mobile phone through the data processing transmission module, the mobile phone base station is installed on the unmanned aerial vehicle body and comprises an antenna, a mobile phone fixing device, a mobile phone signal amplification module and a Bluetooth signal amplification module, the mobile phone signal amplification module is used for amplifying 2G/3G/4G mobile phone signals, and the Bluetooth signal amplification module is used for amplifying Bluetooth signals between the mobile phone and a Bluetooth bracelet;
the field distress method based on the unmanned aerial vehicle comprises the following steps:
when going out, open unmanned aerial vehicle and camera when need be look for in open-air subsides danger, if the light is then opened night, open bluetooth of the mobile phone again, be connected with data processing transmission module bluetooth, utilize the unmanned aerial vehicle remote controller to control the unmanned aerial vehicle body and to flying the search all around, pass through data processing transmission module through the picture that light and camera will shoot and pass to the cell-phone, look for safe suitable going out.
Secondly, when the mobile phone in distress in the field does not have a signal, open unmanned aerial vehicle, pass through cell-phone fixing device with the cell-phone again and install on the cell-phone base station, utilize the unmanned aerial vehicle remote controller to control the unmanned aerial vehicle body and fly to the sky and look for the position that has the signal, utilize the bluetooth bracelet to dial the call and ask for help after searching the signal.
The unmanned aerial vehicle body is collapsible unmanned aerial vehicle, can hand-carry.
The mobile phone base station is provided with a power supply and supplies energy to the mobile phone signal amplification module and the Bluetooth signal amplification module.
The antenna is electrically connected with the mobile phone signal amplification module.
The unmanned aerial vehicle body is from taking the power, and this power is solar charging power.
The flight control system that the unmanned aerial vehicle body has is embedded flight control system.
Based on the above, the remote control unmanned aerial vehicle can effectively find the position with the mobile phone signal by setting the mobile phone and the mobile phone base station carried by the remote control unmanned aerial vehicle, and can effectively send out the distress signal at the first time by dialing the Bluetooth bracelet for distress, thereby providing the most effective rescue guide for rescue teams, reducing the time wasted by blind rescue and increasing the maximum survival probability of people in distress.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. An unmanned aerial vehicle-based outdoor distress method is characterized by comprising an outdoor distress system, wherein the outdoor distress system comprises: the system comprises an unmanned aerial vehicle, a mobile phone base station, a mobile phone and a Bluetooth bracelet;
the unmanned aerial vehicle comprises an unmanned aerial vehicle body, a camera, a lighting lamp, a data processing transmission module and an unmanned aerial vehicle remote controller, wherein the unmanned aerial vehicle body is provided with a flight control system, the data processing transmission module uses Bluetooth to transmit data, the camera is used for shooting surrounding conditions and transmitting shot pictures to a mobile phone through the data processing transmission module, the mobile phone base station is installed on the unmanned aerial vehicle body and comprises an antenna, a mobile phone fixing device, a mobile phone signal amplification module and a Bluetooth signal amplification module, the mobile phone signal amplification module is used for amplifying 2G/3G/4G mobile phone signals, and the Bluetooth signal amplification module is used for amplifying Bluetooth signals between the mobile phone and a Bluetooth bracelet;
the field distress method based on the unmanned aerial vehicle comprises the following steps:
when a path needs to be found in a field trapped-in place, the unmanned aerial vehicle and the camera are turned on, if the path needs to be found out at night, the illuminating lamp is turned on, then the mobile phone Bluetooth is turned on and connected with the data processing transmission module, the unmanned aerial vehicle body is controlled by the unmanned aerial vehicle remote controller to fly and search around, a shot picture is transmitted to the mobile phone through the illuminating lamp and the camera through the data processing transmission module, and a safe and proper path is found;
secondly, when the mobile phone in distress in the field does not have a signal, open unmanned aerial vehicle, pass through cell-phone fixing device with the cell-phone again and install on the cell-phone base station, utilize the unmanned aerial vehicle remote controller to control the unmanned aerial vehicle body and fly to the sky and look for the position that has the signal, utilize the bluetooth bracelet to dial the call and ask for help after searching the signal.
2. The unmanned aerial vehicle-based field distress method according to claim 1, wherein the method comprises the following steps: the unmanned aerial vehicle body is collapsible unmanned aerial vehicle, can hand-carry.
3. The unmanned aerial vehicle-based field distress method according to claim 1, wherein the method comprises the following steps: the mobile phone base station is provided with a power supply and supplies energy to the mobile phone signal amplification module and the Bluetooth signal amplification module.
4. The unmanned aerial vehicle-based field distress method according to claim 1, wherein the method comprises the following steps: the antenna is electrically connected with the mobile phone signal amplification module.
5. The unmanned aerial vehicle-based field distress method according to claim 1, wherein the method comprises the following steps: the unmanned aerial vehicle body is from taking the power, and this power is solar charging power.
6. The unmanned aerial vehicle-based field distress method according to claim 1, wherein the method comprises the following steps: the flight control system that the unmanned aerial vehicle body has is embedded flight control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810678125.8A CN109032170B (en) | 2018-06-27 | 2018-06-27 | Unmanned aerial vehicle-based field distress method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810678125.8A CN109032170B (en) | 2018-06-27 | 2018-06-27 | Unmanned aerial vehicle-based field distress method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109032170A CN109032170A (en) | 2018-12-18 |
| CN109032170B true CN109032170B (en) | 2021-03-16 |
Family
ID=64610799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810678125.8A Active CN109032170B (en) | 2018-06-27 | 2018-06-27 | Unmanned aerial vehicle-based field distress method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109032170B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109480A (en) * | 2019-05-21 | 2019-08-09 | 南京邮电大学 | A kind of unmanned plane inspection search and rescue system and rescue method based on Multi-sensor Fusion |
| CN111800180B (en) * | 2020-05-12 | 2022-11-15 | 萧县航迅信息技术有限公司 | Rescue target discovery system and method for field unmanned aerial vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809575A (en) * | 2014-02-28 | 2014-05-21 | 河海大学常州校区 | Wild help calling system and method based on smart aircraft |
| CN104992576A (en) * | 2015-07-23 | 2015-10-21 | 览意科技（上海）有限公司 | Flight vehicle searching device and searching method thereof |
| CN205017328U (en) * | 2015-08-27 | 2016-02-03 | 杨珊珊 | Intelligence relay system and unmanned aerial vehicle thereof |
| CN106131798A (en) * | 2016-07-13 | 2016-11-16 | 北京博瑞爱飞科技发展有限公司 | Rescue mode based on unmanned plane and device |
| KR20160132739A (en) * | 2015-05-14 | 2016-11-21 | 심상근 | Auxiliary device for cellular phone having drone, and its applications |
| CN106911860A (en) * | 2017-03-21 | 2017-06-30 | 四川智航慧飞无人机科技有限公司 | The system that a kind of unmanned plane is combined with mobile phone |
| CN107276661A (en) * | 2017-07-25 | 2017-10-20 | 陕西师范大学 | A kind of method and system searched and rescued based on unmanned aerial vehicle group |
| CN107333227A (en) * | 2017-06-27 | 2017-11-07 | 钟三强 | A kind of multi-functional search and rescue system |
| CN108107915A (en) * | 2018-01-27 | 2018-06-01 | 广东容祺智能科技有限公司 | A kind of unmanned plane positioning searching system |
| CN108200260A (en) * | 2017-08-02 | 2018-06-22 | 深圳市南和移动通信科技股份有限公司 | A kind of mobile phone emergency system for seeking help based on Bluetooth remote control |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8930044B1 (en) * | 2012-12-28 | 2015-01-06 | Google Inc. | Multi-part navigation process by an unmanned aerial vehicle for navigating to a medical situatiion |
| US10370102B2 (en) * | 2016-05-09 | 2019-08-06 | Coban Technologies, Inc. | Systems, apparatuses and methods for unmanned aerial vehicle |
| US20180060811A1 (en) * | 2016-08-30 | 2018-03-01 | Bragi GmbH | Drone delivery using earpiece |
-
2018
- 2018-06-27 CN CN201810678125.8A patent/CN109032170B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809575A (en) * | 2014-02-28 | 2014-05-21 | 河海大学常州校区 | Wild help calling system and method based on smart aircraft |
| KR20160132739A (en) * | 2015-05-14 | 2016-11-21 | 심상근 | Auxiliary device for cellular phone having drone, and its applications |
| CN104992576A (en) * | 2015-07-23 | 2015-10-21 | 览意科技（上海）有限公司 | Flight vehicle searching device and searching method thereof |
| CN205017328U (en) * | 2015-08-27 | 2016-02-03 | 杨珊珊 | Intelligence relay system and unmanned aerial vehicle thereof |
| CN106131798A (en) * | 2016-07-13 | 2016-11-16 | 北京博瑞爱飞科技发展有限公司 | Rescue mode based on unmanned plane and device |
| CN106911860A (en) * | 2017-03-21 | 2017-06-30 | 四川智航慧飞无人机科技有限公司 | The system that a kind of unmanned plane is combined with mobile phone |
| CN107333227A (en) * | 2017-06-27 | 2017-11-07 | 钟三强 | A kind of multi-functional search and rescue system |
| CN107276661A (en) * | 2017-07-25 | 2017-10-20 | 陕西师范大学 | A kind of method and system searched and rescued based on unmanned aerial vehicle group |
| CN108200260A (en) * | 2017-08-02 | 2018-06-22 | 深圳市南和移动通信科技股份有限公司 | A kind of mobile phone emergency system for seeking help based on Bluetooth remote control |
| CN108107915A (en) * | 2018-01-27 | 2018-06-01 | 广东容祺智能科技有限公司 | A kind of unmanned plane positioning searching system |
Non-Patent Citations (3)
| Title |
|---|
| A Star Search Algorithm for Civil UAV Path Planning with 3G Communication;Fan Hsun Tseng，等;《2014 Tenth International Conference on Intelligent Information Hiding and Multimedia Signal Processing》;20141231;942-945页 * |
| 国外救援无人机的发展现状;张峰，等;《中国医疗设备》;20160630;第31卷(第6期);175-177页 * |
| 无人机在突发事件应急救援中的应用探讨;杜璇;《中国应急救援》;20180520(第3（2018）期);51-54页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109032170A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10370102B2 (en) | Systems, apparatuses and methods for unmanned aerial vehicle | |
| US10220963B2 (en) | Aerial system and vehicle for continuous operation | |
| CN106184753B (en) | A kind of unmanned plane and unmanned plane search and rescue localization method | |
| US10091664B2 (en) | System and methods for unobtrusively and relocateably extending communication coverage and supporting unmanned aerial vehicle (UAV) activities | |
| KR101690502B1 (en) | System for tracking using drone | |
| US11856644B2 (en) | Wireless discovery of wireless device using one or more drones | |
| CN109032170B (en) | Unmanned aerial vehicle-based field distress method | |
| EP3796571B1 (en) | Method and device for controlling unmanned aerial vehicle to access network | |
| CN101598781A (en) | A kind of pet recovering system | |
| US20210070471A1 (en) | Collaborative relationship between a uav and an automobile | |
| CN107453798A (en) | The device and method of remote information exchange is carried out by 4G networks and unmanned plane | |
| KR101724049B1 (en) | An interactive communication featured drone system | |
| RU181691U1 (en) | UNMANNED AIRCRAFT FOR SEARCH AND RESCUE OPERATIONS | |
| CN107401423A (en) | A kind of mine rescue radio multi-media communicating system | |
| CN115706601A (en) | Transmission control method and related device in satellite communication system | |
| US10342217B2 (en) | Multipurpose canine camera (MPCC) | |
| CN106357974A (en) | Method and device for recording pet location | |
| KR102044225B1 (en) | Street light with CCTV Drone on head part for crime prevention and security | |
| CN110027722B (en) | Emergency wireless charging system based on tethered unmanned aerial vehicle | |
| CN110769407B (en) | Search and rescue positioning method and device | |
| Salmon et al. | Mobile Bot Swarms: They're closer than you might think! | |
| US11967987B2 (en) | System and method for configurable invisible light communications | |
| CN106231184A (en) | A kind of unmanned plane phonetic warning system | |
| CN207332942U (en) | Mine Disaster Relief radio communication device | |
| CN205622768U (en) | Unmanned aerial vehicle searches for ands rescue system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |