CN208689406U - A kind of farmland nurse equipment and system - Google Patents
A kind of farmland nurse equipment and system Download PDFInfo
- Publication number
- CN208689406U CN208689406U CN201821369100.1U CN201821369100U CN208689406U CN 208689406 U CN208689406 U CN 208689406U CN 201821369100 U CN201821369100 U CN 201821369100U CN 208689406 U CN208689406 U CN 208689406U
- Authority
- CN
- China
- Prior art keywords
- farmland
- equipment
- sensor
- controller
- supersonic wave
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 12
- 230000000474 nursing effect Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 4
- 241001465754 Metazoa Species 0.000 description 14
- 230000006378 damage Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 244000038280 herbivores Species 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Abstract
The utility model discloses a kind of farmland nurse equipment and systems, equipment include: controller, at least one be used to detect environmental detection sensor, supersonic wave bird driving device, the NB-IOT module, buzzer, switching circuit of farmland security context parameter, farmland security context detection sensor, buzzer, switching circuit, NB-IOT module and supersonic wave bird driving are connect with controller；Switching circuit is connect with supersonic wave bird driving device；Environmental detection sensor includes at least one of: Temperature Humidity Sensor, soil humidity sensor, smoke sensor device, noise transducer, infrared induction sensor, illuminance sensor.NB-IOT module, for farmland security context parameter to be sent to user terminal by cloud service center or is used to receive the supersonic wave bird driving device switch order that user terminal sent by cloud service center.The utility model user can real time inspection farmland security context data, and can remotely control farmland nurse equipment supersonic wave bird driving device and buzzer.
Description
Technical field
The utility model relates to electronic technology fields, nurse equipment and system more particularly to a kind of farmland.
Background technique
Recently as increasing for population, the reduction of farmland land area, people increasingly pay attention to the growth matter of crops
Amount and yield.Currently, influence the principal element of production estimation quality and yield, including arid, waterlogging, it is artificial steal destruction,
Herbivore look for food destruction and birds feeding destroy etc..The harm of these farmland safety problems is extremely serious, seriously affects crops
Yield and quality, prevention and treatment and such good farmland safety accident of monitoring, for ensureing agricultural foison, agricultural product quality and safety and peasant
It increases income and is of great significance.
The main method of coherent detection arid, waterlogging, fire and people and animal damage crops is artificial in the prior art
Inspection, this is not only time-consuming and laborious, but also is difficult to find damaged crops situation early in time, has seriously affected the growth of crops
Quality and yield.Currently, not yet for the remote real time monitoring equipment of arid, waterlogging and people and animal damage crops.
Utility model content
In order to solve the above technical problems, the shortcomings that overcoming the prior art, the utility model is a kind of based on NB-IOT technology
Long-range real-time farmland nurse equipment, it can real-time detection arid, waterlogging and people and animal to the destruction situations of crops, and benefit
Destructive animal is warned and driven with buzzer and supersonic wave bird driving device.Meanwhile equipment can be with real-time informing peasant household farmland
Security context data, and can remotely adopt remedial measures, it lays the foundation for efficient agricultural production.
In a first aspect, the utility model provides a kind of farmland nurse equipment that can support to provide remote real-time monitoring, comprising:
Controller, at least one be used to detect the environmental detection sensor of farmland security context parameter, supersonic wave bird driving device,
NB-IOT module, buzzer, switching circuit；
Farmland security context detection sensor, switching circuit, NB-IOT module and buzzer are connect with controller；Switch electricity
Road is connect with supersonic wave bird driving device；
Environmental detection sensor includes at least one of: Temperature Humidity Sensor, soil humidity sensor, smog pass
Sensor, noise transducer, infrared induction sensor, illuminance sensor.
NB-IOT module, for farmland security context parameter to be sent to user terminal by cloud service center or is used for
Receive the supersonic wave bird driving device switch order that user terminal is sent by cloud service center.
Further, further includes: power circuit, solar controller and solar panels；Power circuit and solar control
Device connection, can control very much device and connect with solar panels.
Further, further includes: for the power supply circuit to each power elements；Power supply circuit is connect with the controller.
Further, further includes: for generating the clock circuit of periodically pulsing signal, clock circuit and controller connect
It connects.
Further, NB-IOT module is also used to farmland security context data being sent to user by cloud service center
Terminal.
Further, controller is STM32F103RET6 chip.
Second aspect, the utility model provide a kind of farmland nursing system, including cloud service center, user terminal and such as
Equipment is nursed in farmland described in first aspect.
By using above-mentioned technical proposal, the utility model can obtain following technical effect:
1, by smart phone client and cloud service center, user can real time inspection farmland security context data, and energy
Long-range control buzzer and supersonic wave bird driving device, when sensing that farmland has animal to occur, buzzer activates make a sound in real time
Carry out the invasion of deterrent animal.Controller by infrared induction sensor and noise transducer data judging birds when farmland occurs,
Supersonic wave bird driving device will be opened by switching circuit to drive birds.
2, it by controller, is examined according to from farmlands security context detectors such as noise transducer, infrared induction sensors
The environmental data measured can realize opening or closing for supersonic wave bird driving device by control switch circuit, can be real by controller
Existing buzzer opens or closes.
3, the farmland nurse equipment based on NB-IOT and cloud service center carry out NB-IOT wireless communication.NB-IOT can compare
The wireless device that existing wireless technology provides 50-100 times accesses number, can reduce the data communication expense of internet of things equipment.Together
When, NB-IOT focuses small data quantity, small rate application, therefore NB-IOT equipment power dissipation can be accomplished very small, can ensure electricity
The service life in pond.
4, security context data in farmland include farmland aerial temperature and humidity, smog value, noise, intensity of illumination and soil moisture；
These data can allow user remotely to understand agricultural drought, waterlogging, fire and people and animal in real time to the destruction situations of crops,
And take related counter-measure.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is that equipment and cloud service center and user terminal are nursed in a kind of farmland that the embodiments of the present invention provide
Interaction schematic diagram.
Fig. 2 is that equipment and cloud service center are nursed in another farmland that the embodiments of the present invention provide and user is whole
The interaction schematic diagram at end.
Fig. 3 is the STM32 module pinouts that the embodiments of the present invention provide；
Fig. 4 is the NB-IOT modular circuit connection figure that the embodiments of the present invention provide；
Fig. 5 is the Temperature Humidity Sensor circuit connection diagram that the embodiments of the present invention provide；
Fig. 6 is the soil humidity sensor circuit connection diagram that the embodiments of the present invention provide；
Fig. 7 is the smog sensor circuit connection figure that the embodiments of the present invention provide；
Fig. 8 is the optical sensor circuit connection diagram that the embodiments of the present invention provide；
Fig. 9 is the infrared induction sensor circuit connection diagram that the embodiments of the present invention provide；
Figure 10 is the noise transducer circuit connection diagram that the embodiments of the present invention provide；
Figure 11 is the buzzer circuit connection figure that the embodiments of the present invention provide；
Figure 12 is the power circuit connection figure that the embodiments of the present invention provide；
Figure 13 is the switching circuit connection figure that the embodiments of the present invention provide.
Appended drawing reference: 1- microprocessor；2- buzzer；3- smoke sensor device；4- soil humidity sensor；5- temperature and humidity passes
Sensor；6- solar panels；7- solar controller；8- power circuit；9- clock；10-NB-IOT module；11- power supply circuit；
12- optical sensor；13- infrared induction sensor；14- supersonic wave bird driving device；15- switching circuit；16- memory；17- cloud clothes
Business center；18- user terminal；19- noise transducer；100- controller；200- environmental detection sensor.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.
The utility model first embodiment:
The utility model embodiment communicates NB-IOT between NB-IOT module and cloud service center by controller realization
NB-IOT module wireless communication is realized in the parsing of instruction, provide one support energy consumption it is low, can the farmland of remote real-time monitoring see
Protect equipment.In conjunction with Fig. 1 to Figure 13, nurse equipment in farmland provided by the embodiment of the utility model includes:
Controller 100, at least one be used to detect the environmental detection sensor 200 of environmental parameter, supersonic wave bird driving device 14,
NB-IOT module 10, buzzer 2, switching circuit 15.Farmland security context detection sensor 200, switching circuit 15, NB-IOT mould
Block 10 and buzzer 2 are connect with controller 100.Switching circuit 15 can control coupled supersonic wave bird driving device 14, foundation
Order from controller 100 controls the open and close of supersonic wave bird driving device 14.Referring to Fig. 3 and Fig. 4, the NB-IOT mould
Block 10 is attached by NBTXD and NBRXD interface and the control, NB-IOT module 10 connected to the controller, and being used for will
The environmental parameter that farmland security context detection sensor 200 detects is sent to user terminal 18 by cloud service center 17 or uses
Pass through 14 switch order of supersonic wave bird driving device that cloud service center 17 is sent in receiving user terminal 18.
NB-IOT module 10 accesses number than the wireless device that existing wireless technology provides 50-100 times, can reduce Internet of Things
The data communication expense of equipment.Meanwhile NB-IOT module 10 focuses small data quantity, small rate application, therefore NB-IOT equipment function
Consumption can accomplish very small, can ensure the service life of battery.Farmland nurse equipment holder is accessed by user terminal 18
Cloud service center 17, can real time inspection farmland security context data, and can remotely control the buzzer 2 of farmland nurse equipment and super
Sound wave bird-scaring unit 14.
User terminal in the present embodiment can be mobile terminal or be mobile communication terminal, and referring to can be in movement
Used in computer equipment, broad sense says including personal computer (Personal Computer, PC), personal digital assistant
(Personal Digital Assistant, PDA), mobile phone (Mobile Phone, MP), POS machine include even vehicle-mounted
The electronic equipment that computer etc. can communicate wirelessly.
It referring to fig. 2, further include farmland safety on the basis of first embodiment, in a preferred embodiment of the present embodiment
Environmental detection sensor includes: Temperature Humidity Sensor 5, soil humidity sensor 4, smoke sensor device 3, noise transducer 19, red
Outer inductive pick-up 13, illuminance sensor 12；Controller 100 includes memory 16 and microprocessor 1, the memory 16
Including executable code, the executable code can be executed by the microprocessor 1.Referring to fig. 4 to Figure 10, the temperature and humidity
Sensor 5 is connected by DHT11 Interface and Controler 100, and the soil humidity sensor 4 passes through SHT10 Interface and Controler
100 connections, smoke sensor device 3 are connect by MQ2AO and MQ2DO with the controller 100, and details are not described herein.
Referring to Fig. 8, illuminance sensor 12 is had using there is the silicon blue streak of higher sensitivity to lie prostrate detector element to dim light
The advantage that measurement range is wide, Linearity is good, can be used to the light conditions around detecting devices, and Lighting information can be used to judge day
Gas darkness situation, while being also used to detect whether farmland occurs fire.
Referring to Fig. 9, infrared induction sensor 13 is the automatic sensing electronic equipment based on infrared technology.Infrared induction passes
Sensor 13 is a kind of infrared ray that can detect human or animal's transmitting and exports the sensor of electric signal.When someone, animal or bird
Class enters its induction range and then exports high level, and high level is then automatically closed when human or animal leaves induction range, exports low electricity
It is flat.
Referring to Figure 11, after farmland nurse device power starting, which, which first checks whether, " is received in cloud service
The order of the heart " first carries out cloud service center order and carries out opening or closing supersonic wave bird driving device 14, opens or closes buzzer 2；
If not checking " infrared induction sensor numerical value and noise transducer number further from the order of cloud service center
Value "；When the infrared induction sensor 13 exports high level (3.3V) and noise transducer numerical value greater than 20 decibels, then show have
Animal or birds appear in farmland, and device controller issues instruction unpack buzzer 2 and supersonic wave bird driving device 14 is dynamic to drive away
Object or birds, and cloud service center is sent by related data.Supersonic wave bird driving device 14 use variable-frequency ultrasonic, interference stimulation and
It destroys birds physiology and nervous system, make birds physiologic derangement to realize the purpose of bird repellent, bird of going out.The audibility range of human ear is approximately
The output frequency of 16k-20kHz, supersonic wave bird driving device 14 are greater than 20kHz, which is that the auditory system of people can not generate response
, what ear can't hear；Moreover, the power of supersonic wave bird driving device is smaller, human body cannot be penetrated, human health is not influenced.
Further " optical sensor numerical value, Temperature Humidity Sensor numerical value and smoke sensor device numerical value " is checked, when illumination passes
Sensor numerical value is greater than 1LX, and temperature is greater than 50 DEG C, and humidity is less than 40%, and smokescope numerical value is greater than 5%obs/m and (hides
Degree of covering), it is determined as that there is fire in farmland, device controller opens buzzer and warns, and sends cloud service for related data
Center.
Further check that " soil humidity sensor numerical value " then determines when soil humidity sensor numerical value is less than 40%
Farmland is in drought status；When interior average soil humidity sensor numerical value is 100% when 4 is small, then determine that farmland is in waterlogging
State；No matter arid or waterlogging state, device controller opens buzzer and warns, and send related data in cloud service
The heart.The utility model farmland security context data include that farmland aerial temperature and humidity, smog value, noise, intensity of illumination and soil are wet
Degree；These data can allow user remotely to understand agricultural drought, waterlogging, fire and people and animal in real time to the destruction feelings of crops
Condition, and take related counter-measure.
Referring to Figure 12, on the basis of first embodiment, in a preferred embodiment of the present embodiment further include: power supply electricity
Road 8, solar controller 7, solar panels 6, for the power supply circuit 11, periodically pulsing for generating to each power elements
The clock circuit 9 of signal.
Power circuit 8 is connect with solar controller 7, and solar controller 7 and 6 connection management of solar panels come from the sun
The electricity of energy plate 6.Power supply circuit is connect with controller 100.Clock circuit 9 is connect with controller 100.Switching circuit 15 can be controlled
Make coupled supersonic wave bird driving device 14, according to the order from microprocessor 1, control the unlatching of supersonic wave bird driving device 14 with
It closes.When sensing that farmland has animal to occur, buzzer activates in real time makes a sound the invasion of deterrent animal.Controller passes through
Infrared induction sensor and noise transducer data judging birds will open ultrasonic wave drive when farmland occurs by switching circuit
Bird device drives birds.By controller, detected according to from farmlands security contexts such as noise transducer, infrared induction sensors
The environmental data that device detects can realize opening or closing for supersonic wave bird driving device 14 by control switch circuit, pass through control
Device can realize opening or closing for buzzer.
Preferably, it is set in farmland nurse equipment there are two two dimensional code, the equipment holder scans institute using smart phone
State in equipment one of two dimensional code downloading smart phone client, scan another two dimensional code by the equipment with it is described
Smart phone binding.User is facilitated to download smart phone client by the way that two dimensional code is arranged, APP need to only download installation once, right
In the equipment of subsequent purchase, equipment and smart phone can be bound by directly scanning the two-dimensional code, and user is facilitated to make equipment
With and management.
The utility model second embodiment:
The utility model second embodiment provides a kind of farmland nursing system, including cloud service center, user terminal and
Equipment is nursed in farmland as in the first embodiment.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (7)
1. equipment is nursed in a kind of farmland characterized by comprising
Controller, at least one is used to detect environmental detection sensor, the supersonic wave bird driving device, NB- of farmland security context parameter
IOT module, buzzer, switching circuit；
The environmental detection sensor, the switching circuit, the NB-IOT module and the buzzer respectively with the control
Device connection；The switching circuit is connect with the supersonic wave bird driving device；
The environmental detection sensor includes at least one of: Temperature Humidity Sensor, soil humidity sensor, smog pass
Sensor, noise transducer, infrared induction sensor, illuminance sensor；
The NB-IOT module, for the environmental parameter to be sent to user terminal by cloud service center or is used to receive
The supersonic wave bird driving device switch order that user terminal is sent by the cloud service center.
2. equipment is nursed in a kind of farmland according to claim 1, which is characterized in that further include: power circuit, solar energy control
Device and solar panels processed；The power circuit is connect with solar controller, and the solar controller is connect with solar panels.
3. equipment is nursed in a kind of farmland according to claim 1, which is characterized in that further include: for each power elements
Power supply circuit；The power supply circuit is connect with the controller.
4. equipment is nursed in a kind of farmland according to claim 1, which is characterized in that further include: for generating periodically
The clock circuit of pulse signal, the clock circuit are connect with the controller.
5. equipment is nursed in a kind of farmland according to claim 1, which is characterized in that the NB-IOT module, be also used to by
Farmland security context data are sent to user terminal by the cloud service center.
6. equipment is nursed in a kind of farmland according to claim 1, which is characterized in that the controller is
STM32F103RET6 chip.
7. a kind of farmland nursing system, which is characterized in that including cloud service center, user terminal and such as claim 1 to 6 times
Equipment is nursed in farmland described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369100.1U CN208689406U (en) | 2018-08-23 | 2018-08-23 | A kind of farmland nurse equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369100.1U CN208689406U (en) | 2018-08-23 | 2018-08-23 | A kind of farmland nurse equipment and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689406U true CN208689406U (en) | 2019-04-02 |
Family
ID=65886532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821369100.1U Expired - Fee Related CN208689406U (en) | 2018-08-23 | 2018-08-23 | A kind of farmland nurse equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208689406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113537036A (en) * | 2021-07-12 | 2021-10-22 | 杭州华橙软件技术有限公司 | Human shape detection method, human shape detection equipment and storage medium |
-
2018
- 2018-08-23 CN CN201821369100.1U patent/CN208689406U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113537036A (en) * | 2021-07-12 | 2021-10-22 | 杭州华橙软件技术有限公司 | Human shape detection method, human shape detection equipment and storage medium |
| CN113537036B (en) * | 2021-07-12 | 2024-02-02 | 杭州华橙软件技术有限公司 | Human shape detection method, device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2022200102B2 (en) | Machine learning motion sensing with auxiliary sensors | |
| CN204580691U (en) | A kind of intelligent quilt | |
| CN107633653A (en) | A kind of intelligent home care system | |
| CN106981166A (en) | A kind of network intelligence photoelectric smoke detecting alarm control system and its control method | |
| CN101295176B (en) | Aquiculture floating head monitoring automatic alarm method based on wireless sensing network | |
| CN102880156A (en) | Intelligent monitoring method and system for fish tank | |
| CN202396352U (en) | Animal ultrasound expelling device for transformer substation | |
| CN103810806A (en) | Dormitory security alarm device and dormitory security alarm system | |
| CN111406666A (en) | Pet monitoring system | |
| CN101957618A (en) | Intelligent home control system | |
| CN106155021A (en) | A kind of Household security system based on Internet of Things | |
| CN208689406U (en) | A kind of farmland nurse equipment and system | |
| CN107564215A (en) | A kind of perimeter security system and method | |
| CN113056188A (en) | Device for monitoring the condition of a livestock facility | |
| CN204145834U (en) | Intelligent lightening device and illuminator | |
| CN104012500A (en) | Intelligent ultrasonic mosquito eradication device | |
| CN115299428A (en) | Intelligent bird system that drives of thing networking based on degree of depth study | |
| CN106527169B (en) | Intelligent home control system based on bluetooth | |
| Sung et al. | Aquarium Monitoring System Based on Internet of Things. | |
| CN105890770A (en) | Human body state detection device based on pyroelectric technology | |
| CN205644916U (en) | Intelligence nurse system based on infrared photoelectric sensor and mobile terminal | |
| CN214851933U (en) | Infrared human body induction wireless controller | |
| CN207407922U (en) | A kind of greenhouse data acquisition and processing system based on NB-IoT wireless telecommunications | |
| CN209168362U (en) | A kind of multifunctional infant safety custody and wireless communication device | |
| CN108594724A (en) | Ceiling type multifunctional controller system based on infrared signal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |