CN108773495A - A kind of floating avoidance equipment of magnetic - Google Patents
A kind of floating avoidance equipment of magnetic Download PDFInfo
- Publication number
- CN108773495A CN108773495A CN201810639636.9A CN201810639636A CN108773495A CN 108773495 A CN108773495 A CN 108773495A CN 201810639636 A CN201810639636 A CN 201810639636A CN 108773495 A CN108773495 A CN 108773495A
- Authority
- CN
- China
- Prior art keywords
- signal
- sensor
- avoidance equipment
- host
- magnetic
- 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- Withdrawn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
- 238000007667 floating Methods 0.000 title abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/02—Arrangements or adaptations of signal or lighting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- 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
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of magnetic to float avoidance equipment,Its structure includes connector,Cross bar,Avoidance equipment,Camera,Headlamp,Gasket,Supporting rack,Lock screw,Power on button,Signal lamp,Host,Screw blade,A kind of magnetic of the present invention floats avoidance equipment,Start unmanned plane using the magnetic floating platform inside host,To be shaken when preventing unmanned plane from taking off,Then in the avoidance equipment internal sensor by unmanned plane upper end,When front is by barrier,It is arrived by the ultrasonic sensing that sensor is sent out,The signal of ultrasonic wave will be sent to signal receiver by sensor,Signal is being fed back into signal adapter by signal receiver,Ultrasonic wave is being converted into signal using signal adapter,It is being sent to data link,Finally,Data link sends signal to central processing unit again,Central processing unit is turned around or conversion direction carrying out control unmanned plane,To will not thus make barrier on unmanned aerial vehicle.
Description
Technical field
The present invention is a kind of floating avoidance equipment of magnetic, belongs to unmanned plane engineering device technique field.
Background technology
Unmanned plane vision navigation system has complicated unknown flight environment of vehicle Real-time modeling set, autonomous positioning and the technology of navigation special
Point, unmanned aerial vehicle platform, can be simultaneously by carrying the multiple sensors such as visible image capturing head, infrared camera and laser range finder
Acquire multidimensional flight environment of vehicle information, the data interaction using airborne processor and earth station and cooperated computing frame, real-time reconstruction
The threedimensional model of unknown flight environment of vehicle realizes the autonomous positioning for not depending on any external positioning device such as GPS etc. and autonomous vision
Avoidance, tracking and landing, the scouting of unknown flight environment of vehicle, monitoring and detection, the disaster that can be widely applied to communication environment complexity are existing
The applications such as field search and rescue.
Prior art discloses application No. is:A kind of magnetic of CN201611221539.5 floats avoidance equipment, including driving portion
Part, inner stator and outer rotor;The obstacle avoidance module is provided on the outer rotor;The driving part is according to the obstacle avoidance module
Attitudes vibration, drive and magnetic force change occur between the outer rotor and the inner stator, with floating by the magnetic of the outer rotor
It rotates and adjusts the obstacle avoidance module to targeted attitude, but the prior art is relatively low to the induction degree of barrier, signal turns
Parallel operation can not transmit signal, can make barrier on unmanned aerial vehicle, unmanned plane is caused to damage.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of magnetic to float avoidance equipment, with the existing of solution
Technology is relatively low to the induction degree of barrier, the problem of making barrier on unmanned aerial vehicle, unmanned plane is caused to damage.
To achieve the goals above, the present invention is to realize by the following technical solutions:A kind of floating avoidance equipment of magnetic,
Structure includes connector, cross bar, avoidance equipment, camera, headlamp, gasket, supporting rack, lock screw, power on button, signal
Lamp, host, screw blade, the lower end of the cross bar are mutually welded with the upper end of supporting rack, and the avoidance equipment insertion is installed on master
Machine upper end, the camera are set to the lower section of avoidance equipment, and the headlamp is installed on the both sides of avoidance equipment, the locking screw
Silk insertion is installed on cross bar upper end, and the power on button is installed on the upper end of host, and the signal lamp is installed on power on button
Rear end, the host are connected with headlamp, the screw blade be set to host left side, the avoidance equipment include shell,
Central processing unit, signal adapter, conducting wire, wire interface, outer cover, sensor, signal receiver, data link, processing core
Piece, the shell are connected with sensor, and the central processing unit is installed on the inside of shell, the signal adapter and conducting wire
It is connected, the front end of the conducting wire is connected with the rear end of sensor, the upper end of the connector and the lower end phase of screw blade
Connection, the wire interface are installed on signal receiver upper end, and the outer cover is installed on the upper end of shell, the sensor with lead
Line interface is connected, and the signal receiver is installed on the inside of shell, and the data link is located at the right side of processing chip,
The processing chip insertion is installed on the upper end of central processing unit.
Further, the upper end of the gasket and the lower end of support are mutually welded, and the support is located at the lower section of screw blade.
Further, the upper end of the shell is connected with the lower end of host.
Further, the gasket is cylindrical structure, a diameter of 5cm, thickness 2cm.
Further, the cross bar is made of aluminium alloy, and quality is gentlier conducive to unmanned plane during flying.
Further, the shell is made of stainless steel, and is not easy to get rusty.
Advantageous effect
A kind of magnetic of the present invention floats avoidance equipment, and structure is equipped with avoidance equipment, first presses power on button first, first carry out startup nothing
Then the man-machine magnetic floating platform using inside host sets to be shaken when preventing unmanned plane from taking off in the avoidance by unmanned plane upper end
Standby internal sensor is arrived, sensor will be by the letter of ultrasonic wave by the ultrasonic sensing that sensor is sent out when front is by barrier
Number it is sent to signal receiver, signal is being fed back to by signal adapter by signal receiver, will using signal adapter
Ultrasonic wave is converted into signal, is being sent to data link, and finally, data link sends signal to central processing unit again,
Central processing unit is turned around or conversion direction carrying out control unmanned plane, to will not thus make obstacle on unmanned aerial vehicle
Object.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram that a kind of magnetic of the present invention floats avoidance equipment;
Fig. 2 is a kind of structural schematic diagram of avoidance equipment of the present invention.
In figure:Connector -1, cross bar -2, avoidance equipment -3, camera -4, headlamp -5, gasket -6, supporting rack -7, lock
Tight screw -8, power on button -9, signal lamp -10, host -11, screw blade -12, shell -301, central processing unit -302, letter
Number converter -303, conducting wire -304, wire interface -305, outer cover -306, sensor -307, signal receiver -308, data pass
Defeated device -309, processing chip -310.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
It please refers to Fig.1, Fig. 2, the present invention provides a kind of floating avoidance equipment and technology scheme of magnetic:Its structure includes connector 1, cross
Bar 2, avoidance equipment 3, camera 4, headlamp 5, gasket 6, supporting rack 7, lock screw 8, power on button 9, signal lamp 10, host
11, screw blade 12, the lower end of the cross bar 2 are mutually welded with the upper end of supporting rack 7, and the insertion of avoidance equipment 3 is installed on master
11 upper end of machine, the camera 4 are set to the lower section of avoidance equipment 3, and the headlamp 5 is installed on the both sides of avoidance equipment 3, described
The insertion of lock screw 8 is installed on 2 upper end of cross bar, and the power on button 9 is installed on the upper end of host 11, and the signal lamp 10 is installed
In the rear end of power on button 9, the host 11 is connected with headlamp 5, and the screw blade 12 is set to the left side of host 11, institute
It includes shell 301, central processing unit 302, signal adapter 303, conducting wire 304, wire interface 305, outer cover to state avoidance equipment 3
306, sensor 307, signal receiver 308, data link 309, processing chip 310, the shell 301 and sensor 307
It is connected, the central processing unit 302 is installed on the inside of shell 301, and the signal adapter 303 is connected with conducting wire 304,
The front end of the conducting wire 304 is connected with the rear end of sensor 307, and the wire interface 305 is installed on signal receiver 308
End, the outer cover 306 are installed on the upper end of shell 301, and the sensor 307 is connected with wire interface 305, and the signal connects
The inside that device 308 is installed on shell 301 is received, the data link 309 is located at the right side of processing chip 310, the processing core
Piece 310 is embedded in the upper end for being installed on central processing unit 302, and the upper end of the connector 1 is connected with the lower end of screw blade 12,
The upper end of the gasket 6 and the lower end of support 7 are mutually welded, and the support 7 is located at the lower section of screw blade 12, the shell 301
Upper end be connected with the lower end of host 11, the gasket 6 be cylindrical structure, a diameter of 5cm, thickness 2cm, the cross bar
2 are made of aluminium alloy, and quality is gentlier conducive to unmanned plane during flying, and the shell 301 is made of stainless steel, is not easy to get rusty.
Camera 4 described in this patent is also known as camera computer, computer eye, electronic eyes etc., is a kind of video input apparatus,
Widely applied to video conference, tele-medicine and real time monitoring etc., common people can also be each other by camera
Image, the talk for having sound and communication are carried out in network, in addition, people can also use it for the number of current various prevalences
Image, sound processing etc., the sensor 307 are a kind of detection devices, can experience measured information, and can will experience
Information, the information output of electric signal or other required forms is for conversion into according to certain rules, to meet transmission, the place of information
Requirements, sensor the characteristics of such as reason, storage, display, record and control include:Micromation, digitlization, intelligence, multifunction,
Systematization, networking, it is to realize the primary link that detects and automatically control, the presence and development of sensor automatically, allows object
There are the sense organs such as tactile, taste and smell, object is allowed slowly to become to have lived, is divided into heat generally according to its basic perceptional function
Quick element, light-sensitive element, gas sensor, force sensing element, magneto sensor, dew cell, acoustic sensor, radioactive ray sensing element,
Ten major class such as color sensor and the quick element of taste.
In use, equipped with avoidance equipment 3 in structure, first press power on button 9 first, first carry out startup unmanned plane
Using the magnetic floating platform inside host 11, to be shaken when preventing unmanned plane from taking off, then in the avoidance equipment 3 by unmanned plane upper end
Internal sensor 307 is arrived, sensor 307 will will surpass by the ultrasonic sensing that sensor 307 is sent out when front is by barrier
The signal of sound wave is sent to signal receiver 308, and signal is being fed back to signal adapter 303 by signal receiver 308,
Ultrasonic wave is converted into signal using signal adapter 303, is being sent to data link 309, finally, data link 309
Send signal to central processing unit 304 again, central processing unit 304 is turned around or the side of conversion carrying out control unmanned plane
To.
The present invention solution prior art is relatively low to the induction degree of barrier, can make barrier on unmanned aerial vehicle, lead to nothing
The problem of man-machine damage, the present invention are combined with each other by above-mentioned component, are started unmanned plane using the magnetic floating platform inside host, are come
It is shaken when preventing unmanned plane from taking off, then in the avoidance equipment internal sensor by unmanned plane upper end, when front is by barrier,
It is arrived by the ultrasonic sensing that sensor is sent out, the signal of ultrasonic wave will be sent to signal receiver by sensor, pass through letter
Signal is fed back to signal adapter by number receiver, and ultrasonic wave is being converted into signal using signal adapter, is being sent to number
According to transmitter, finally, data link sends signal to central processing unit again, central processing unit carry out control unmanned plane into
Row turns around or conversion direction, to will not thus make barrier on unmanned aerial vehicle.
On the basic principles, main features and the advantages of the invention have been shown and described, for art technology
For personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and in the spirit or base without departing substantially from the present invention
In the case of eigen, the present invention can be realized in other specific forms.It therefore, in all respects, should all be by reality
Apply example and regard exemplary as, and be non-limiting, the scope of the present invention by appended claims rather than above description
It limits, it is intended that all changes that come within the meaning and range of equivalency of the claims are included within the present invention.
Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (3)
1. a kind of magnetic floats avoidance equipment, it is characterised in that:Its structure includes connector(1), cross bar(2), avoidance equipment(3), take the photograph
As head(4), headlamp(5), gasket(6), supporting rack(7), lock screw(8), power on button(9), signal lamp(10), host
(11), screw blade(12), the cross bar(2)Lower end and supporting rack(7)Upper end mutually weld, the avoidance equipment(3)It is embedding
Enter to be installed on host(11)Upper end, the lock screw(8)Insertion is installed on cross bar(2)Upper end, the power on button(9)Installation
In host(11)Upper end, the signal lamp(10)It is installed on power on button(9)Rear end, the host(11)With headlamp
(5)It is connected, the screw blade(12)Set on host(11)Left side, the avoidance equipment(3)Including shell(301), in
Central processor(302), signal adapter(303), conducting wire(304), wire interface(305), outer cover(306), sensor(307),
Signal receiver(308), data link(309), processing chip(310), the shell(301)With sensor(307)It is connected
It connects, the central processing unit(302)It is installed on shell(301)Inside, the signal adapter(303)With conducting wire(304)Phase
Connection, the conducting wire(304)Front end and sensor(307)Rear end be connected, the wire interface(305)It is installed on signal
Receiver(308)Upper end, the outer cover(306)It is installed on shell(301)Upper end, the sensor(307)With wire interface
(305)It is connected, the connector(1)Upper end and screw blade(12)Lower end be connected, the signal receiver(308)
It is installed on shell(301)Inside, the data link(309)Positioned at processing chip(310)Right side, the processing chip
(310)Insertion is installed on central processing unit(302)Upper end.
2. a kind of magnetic according to claim 1 floats avoidance equipment, it is characterised in that:The shell(301)Upper end and master
Machine(11)Lower end be connected.
3. a kind of magnetic according to claim 1 floats avoidance equipment, it is characterised in that:The gasket(6)For cylindrical structure,
A diameter of 5cm, thickness 2cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810639636.9A CN108773495A (en) | 2018-06-20 | 2018-06-20 | A kind of floating avoidance equipment of magnetic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810639636.9A CN108773495A (en) | 2018-06-20 | 2018-06-20 | A kind of floating avoidance equipment of magnetic |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108773495A true CN108773495A (en) | 2018-11-09 |
Family
ID=64026095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810639636.9A Withdrawn CN108773495A (en) | 2018-06-20 | 2018-06-20 | A kind of floating avoidance equipment of magnetic |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108773495A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022160325A1 (en) * | 2021-02-01 | 2022-08-04 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle control method and apparatus, and unmanned aerial vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202464124U (en) * | 2012-01-13 | 2012-10-03 | 安徽理工大学 | Four-rotor aircraft |
CN104898698A (en) * | 2015-05-22 | 2015-09-09 | 中国科学院长春光学精密机械与物理研究所 | Rotor-wing-type unmanned aerial vehicle automatic obstacle-avoiding device |
CN106494635A (en) * | 2016-12-26 | 2017-03-15 | 昊翔电能运动科技(昆山)有限公司 | The floating obstacle avoidance apparatus of magnetic and magnetic floating clouds platform |
CN108058822A (en) * | 2018-01-23 | 2018-05-22 | 徐嘉辉 | A kind of portable unmanned plane of automobile using |
-
2018
- 2018-06-20 CN CN201810639636.9A patent/CN108773495A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202464124U (en) * | 2012-01-13 | 2012-10-03 | 安徽理工大学 | Four-rotor aircraft |
CN104898698A (en) * | 2015-05-22 | 2015-09-09 | 中国科学院长春光学精密机械与物理研究所 | Rotor-wing-type unmanned aerial vehicle automatic obstacle-avoiding device |
CN106494635A (en) * | 2016-12-26 | 2017-03-15 | 昊翔电能运动科技(昆山)有限公司 | The floating obstacle avoidance apparatus of magnetic and magnetic floating clouds platform |
CN108058822A (en) * | 2018-01-23 | 2018-05-22 | 徐嘉辉 | A kind of portable unmanned plane of automobile using |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022160325A1 (en) * | 2021-02-01 | 2022-08-04 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle control method and apparatus, and unmanned aerial vehicle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11423791B2 (en) | Adaptive object detection | |
WO2018094747A1 (en) | Control method, remote control and drone | |
CN105828062A (en) | Unmanned aerial vehicle 3D virtual reality shooting system | |
US11618586B2 (en) | Detection and signaling of conditions of an unmanned aerial vehicle | |
US20220176977A1 (en) | Vehicle control | |
CN201917951U (en) | Driving recording device | |
WO2018076217A1 (en) | Pan-tilt | |
CN109656319B (en) | Method and equipment for presenting ground action auxiliary information | |
CN108773495A (en) | A kind of floating avoidance equipment of magnetic | |
CN111563979A (en) | Storage method, device, terminal and storage medium of automatic driving data | |
TWM510574U (en) | WIFI wireless remote controller based on web server technology | |
EP3545929A1 (en) | Modular wheelchair system | |
WO2019087891A1 (en) | Information processing device and flight control system | |
CN108891598A (en) | A kind of advertisement unmanned plane based on fan screen | |
CN206672313U (en) | A kind of unmanned plane fire inspection machine people | |
CN108516099A (en) | A kind of floating obstacle avoidance apparatus of magnetic | |
WO2018076778A1 (en) | Robot, and data processing method and system applied thereto | |
US10627826B2 (en) | Systems and methods for pairing a power base of a modular wheelchair system with a guide robot | |
US20220262110A1 (en) | Method for controlling lens module, aerial vehicle, and aircraft system | |
CN108583888A (en) | A kind of large-scale unmanned plane device of inside small unmanned plane containing there are four | |
US20200334192A1 (en) | Communication method, device, and system | |
CN106060357B (en) | Imaging device, unmanned aerial vehicle and robot | |
CN106697309A (en) | Small-scale unmanned aircraft system applied to news data collection under severe environment | |
CN206914229U (en) | Outdoor scene internet is called a taxi accessory system | |
CN111708916A (en) | Unmanned aerial vehicle cluster video intelligent processing system and method |
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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181109 |