CN111586027A - Multi-protocol-adaptive Internet of things terminal and protocol self-adaption method thereof - Google Patents
Multi-protocol-adaptive Internet of things terminal and protocol self-adaption method thereof Download PDFInfo
- Publication number
- CN111586027A CN111586027A CN202010363212.1A CN202010363212A CN111586027A CN 111586027 A CN111586027 A CN 111586027A CN 202010363212 A CN202010363212 A CN 202010363212A CN 111586027 A CN111586027 A CN 111586027A
- Authority
- CN
- China
- Prior art keywords
- protocol
- internet
- module
- data
- adaptive
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The invention discloses a multi-protocol adaptive Internet of things terminal and a protocol adaptive method thereof, wherein the multi-protocol adaptive Internet of things terminal comprises a data transmission channel, a central processing module and an interface; the data transmission channel is communicated with the central processing module, the central processing module is communicated with the interface, the data transmission channel is communicated with the monitoring center, and the interface is communicated with the external field equipment based on multiple protocols; the central processing module comprises a protocol self-adaptive module, and a proper communication protocol is selected by the protocol self-adaptive module according to input data of different external field devices to realize protocol self-adaptation. This thing networking terminal of multi-protocol adaptation belongs to the internet of things technical field, and it is applicable to the equipment of various agreement, communication interface, has guaranteed that the information interaction can be realized between the external field equipment of different communication agreements, has realized the commonality at thing networking terminal, has reduced the cost of management, has improved the efficiency of management simultaneously.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a multi-protocol adaptive Internet of things terminal and a protocol adaptive method thereof.
Background
The internet of things is an important component of a new generation of information technology, and aims to connect sensors, controllers, machines, people and objects together in a new way by utilizing communication technologies such as local networks or the internet and the like to form people-object and object-object connection so as to realize informatization, remote management control and intelligentization networks.
The Internet of things mainly comprises multi-protocol external field equipment and a data processing system. In order to adapt to different working scenes, a variety of multi-protocol external field devices must adopt different communication protocols to meet the requirements of speed, power consumption, real-time performance, safety and the like during data transmission. However, in the traditional data processing system of the internet of things, the devices between different protocols cannot realize instant messaging and data sharing, and do not really realize the interconnection and intercommunication between people and objects and between objects, so that the practicability and feasibility of the system of the internet of things are greatly reduced.
For example, the internet of things technology is applied to expressways, and as a plurality of investment main bodies of the expressways are different or a segmented construction mode is adopted, a plurality of different models exist in the same electromechanical equipment in the same road section of a province and an area, protocols and communication interfaces of the equipment are different, mutual coordination and unification are lacked, and the difficulty of expressway management is increased.
Therefore, to put the internet of things system into practical use, the problems of instant messaging and data sharing of devices with different protocols must be solved.
In order to solve the key problem, an instant communication system of equipment among different protocols needs to be established, and a data sharing and analyzing platform is established based on the system, so that interconnection and intercommunication between people and objects and between objects are really realized, and a large amount of data collected by the internet of things can play a greater role.
In order to solve the problems, the internet of things terminal with the multi-protocol adaptation and the protocol adaptation method thereof are provided, the terminal is compatible with common communication protocols such as Modbus-RTU, ModbusTCP, power instrument protocol, SNMP and the like and custom communication protocols of common electromechanical equipment brands, and the internet of things terminal with the multi-protocol adaptation is not only suitable for expressways, but also can be used in other occasions needing data information acquisition.
In view of the above problems, the present invention provides a multi-protocol adaptive internet of things terminal and a protocol adaptive method thereof.
Disclosure of Invention
The invention provides a multi-protocol adaptive Internet of things terminal and a protocol adaptive method thereof, wherein the Internet of things terminal is suitable for equipment with various protocols and communication interfaces; when the updated external field equipment protocol and the communication interface are inconsistent with the original equipment, information interaction can still be carried out with the monitoring center, and information interaction can be realized among the external field equipment with different communication protocols, so that the universality of the terminal of the Internet of things is realized, the management cost is reduced, and the management efficiency is improved; specifically, the invention is realized by the following technical scheme:
a multi-protocol adaptive Internet of things terminal comprises a data transmission channel, a central processing module and an interface; the data transmission channel is communicated with the central processing module, the central processing module is communicated with the interface, the data transmission channel is communicated with the monitoring center, and the interface is communicated with the external field equipment based on multiple protocols; the central processing module comprises a protocol self-adaptive module, and a proper communication protocol is selected by the protocol self-adaptive module according to input data of different external field devices to realize protocol self-adaptation.
Further, the communication protocols which can be adapted by the protocol self-adaptive module comprise a Modbus-RTU, a Modbus TCP, a power instrument protocol, an SNMP communication protocol and a custom communication protocol of the electromechanical equipment.
Furthermore, the central processing module also comprises a data acquisition module, a data processing module, a data storage module and a switching value module; the data acquisition module is communicated with the switching value module and controls the corresponding interface to acquire external field equipment data; the data processing module receives and processes the acquired data and is communicated with the data storage module.
Further, the data transmission channel comprises one or more network access modules.
Preferably, the network access module has any one or more of a 4G network, an ethernet network and an NB network.
Further, the interface comprises a plurality of serial ports and network ports, and the serial ports and the network ports are used for connecting external field equipment.
Further, the terminal of the internet of things further comprises a power supply control module which provides electric energy required by operation for the terminal of the internet of things.
Furthermore, the central processing module is communicated with the power supply control module to monitor and collect the electrifying data of the power supply control module.
A protocol self-adaption method of a multi-protocol-adapted Internet of things terminal is applied to the multi-protocol-adapted Internet of things terminal and comprises the following steps:
inputting various communication protocols into a protocol self-adaptive module for training, subdividing and storing;
step two, receiving and analyzing the data of the external field equipment;
and step three, comparing the analyzed external field equipment data with the data which are stored in the database and are subdivided by various communication protocols, and selecting the adaptive communication protocol.
Further, various communication protocols are trained by using a Kohonen neural network, and various communication protocols are trained by using the Kohonen neural network, and the steps are as follows:
step one, network initialization: initializing a network weight omega;
step two, distance calculation: calculating an input vector X ═ X1，x2，…xn) Distance d to competition layer neuron jj
Step three, neuron selection: taking a competition layer neuron c with the minimum distance with the input vector X as an optimal matching output neuron;
step four, weight adjustment: adjusting node c and in its domain NcThe weight coefficient of the node contained in (t), i.e.
Nc(t)＝(t|find(norm(post,posc)≤r)t＝1,2,…,n
ωij＝ωij+η(Xi-ωij)
In the formula, posc，postCalculating the distance between two neurons by norm, wherein r is the radius of the field, η is the learning rate, and r, η generally linearly decreases along with the increase of the evolution times;
and step five, judging whether the algorithm is finished or not, and returning to the step two if the algorithm is not finished.
The invention has the beneficial effects that:
the terminal of the Internet of things is suitable for equipment with various protocols and communication interfaces; when the updated external field equipment protocol and communication interface are inconsistent with the original equipment, the corresponding Internet of things terminal is not required to be synchronously replaced, only the protocol self-adaptive module of the Internet of things terminal is needed, and the appropriate communication protocol is selected according to different external field equipment, so that information interaction between the external field equipment of different communication protocols is realized, the monitoring center is convenient to uniformly coordinate, the universality of the Internet of things terminal is realized, the equipment management cost is reduced, and the management efficiency is improved.
The Kohonen neural network training can well achieve the self-adaption to different outfield equipment data, facilitates the management of different types of outfield equipment and data by an administrator, saves the operation cost and improves the use efficiency.
Drawings
Fig. 1 is a structure diagram of an internet of things terminal provided by the invention;
fig. 2 is an overall architecture for operating an internet of things terminal provided by the invention;
FIG. 3 is a flow chart of Kohonen neural network training algorithm provided by the present invention.
Wherein: 1. a monitoring center; 2. the terminal of the Internet of things; 3. a data transmission channel; 31. a network access module; 4. a central processing module; 41. a data acquisition module; 42. a data processing module; 43. a data storage module; 44. a switching value module; 45. a protocol adaptation module; 5. an interface; 6. a power supply control module; 7. an external field device; 8. a hand-held device.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, a multi-protocol-adapted internet of things terminal 2 includes a data transmission channel 3 for information interaction with a monitoring center 1, a central processing module 4 for processing information, an interface 5 for connecting an external field device 7, and a power control module 6.
The monitoring center 1 and the data transmission channel 3 carry out information interaction, the data transmission channel 3 and the central processing module 4 carry out information interaction, and the central processing module 4 and the external field device 7 carry out information interaction through the interface 5.
The central processing module 4 comprises a data acquisition module 41, a data processing module 42, a data storage module 43, a switching value module 44 and a protocol self-adapting module 45; the CPU of the central processing module 4 controls the modules to realize the functions of protocol adaptation, data acquisition, data processing and the like.
The CPU in the central processing module 4 may alternatively be a 32-bit Cortex-X3 core, industrial-grade CPU.
The data acquisition module 41 is communicated with the switching value module 44 and controls the corresponding interface 5 to acquire data of the external field equipment 7; the data processing module 42 receives and processes the acquired data, and is communicated with the data storage module 43; the data storage module 43 is used for storing the processed data, is communicated with the data transmission channel 3, and transmits the data to the monitoring center 1.
Because the communication protocols of the different types of external field devices 7 are different, in order to ensure that the different external field devices 7 can perform information interaction with the monitoring center 1, the monitoring center 1 can coordinate and unify the different external field devices conveniently, and the protocol self-adaptive module 45 is arranged to play a role of a communication bridge; the protocol adaptation module 45 selects an appropriate communication protocol from the received data of the external field device 7. The communication protocol selected by the protocol adaptation module 45 includes, but is not limited to, common communication protocols such as Modbus-RTU, Modbus tcp, power meter protocol, SNMP, etc., and custom communication protocols of common brand devices in tunnel electromechanics.
The protocol adaptation module 45 implements the protocol adaptation method as follows:
the existing various communication protocols are input into the protocol self-adaptive module 45 for training, and the training adopts a Kohonen neural network. And according to the characteristic head byte reshaping number and the average value of the ending byte reshaping number of each communication protocol and the length of a single packet of the protocol as characteristic values, subdividing each communication protocol to obtain subdivided subclasses, and storing the subdivided subclasses in a database.
After the external field device 7 is used, the protocol adaptation module 45 receives the data sent by the external field device 7, analyzes the data, and compares the analyzed data with the subdivided data of various communication protocols stored in the database, thereby selecting the adapted communication protocol.
The Kohonen neural network training adopted in the method can well achieve the purpose of self-adapting to different field equipment 7 data, thereby facilitating the management of different types of field equipment 7 and data by an administrator, saving the operation cost and improving the use efficiency.
The Kohonen neural network training algorithm flow is shown in FIG. 3, and the steps are as follows:
the method comprises the following steps: and (5) initializing the network. Initializing the network weight omega.
Step two: and (5) calculating the distance. Calculating an input vector X ═ X1，x2，…xn) Distance d to competition layer neuron jj
Step three: and (4) selecting the neurons. And taking the neuron c of the competition layer with the minimum distance with the input vector X as an optimal matching output neuron.
Step four: and (6) adjusting the weight value. Adjusting node c and in its domain NcThe weight coefficient of the node contained in (t), i.e.
Nc(t)＝(t|find(norm(post,posc)≤r)t＝1,2,…,n
ωij＝ωij+η(Xi-ωij)
In the formula, posc，postThe positions of the neurons c and t, respectively, norm calculates the distance between the two neurons, r is the radius of the field, η is the learning rate, r, η generally decreases linearly with increasing evolutionary times.
Step five: and judging whether the algorithm is finished or not, and if not, returning to the step two.
The data transmission channel 3 comprises one or more network access modules 31, and the network access modules 31 can be selected from an ethernet port, an NB module and a 4G module; transmitting a received instruction issued by the monitoring center 1 through the data transmission channel 3, or transmitting data acquired by the internet of things terminal 2; the network access module 31 may access the network through any of ethernet, NB, and 4G.
The interface 5 comprises a plurality of serial ports and network ports, and the serial ports and the network ports are used for connecting external field equipment 7; each serial port or network port corresponds to a switching value and is used for controlling data acquisition of corresponding equipment.
The power supply control module 6 provides electric energy required by operation for the terminal 2 of the internet of things, and once the power is cut off, the standby power supply is started immediately; meanwhile, the data acquisition module 41 in the central processing module 4 performs self-checking on the power control module 6, and reports the power failure condition to the monitoring center 1 immediately once the power failure condition is found.
The instruction issuing process is as follows:
the monitoring center 1 issues an instruction through the data transmission channel 3 in the internet of things in a network mode such as 4G, ethernet or NB, and sends the instruction to the central processing module 4, and after the data acquisition module 41 in the central processing module 4 receives the instruction, the instruction is transmitted to the corresponding interface 5 through the corresponding switching value, so as to acquire data of the corresponding external field device 7.
The data uploading process is as follows:
the collected data of the corresponding external field equipment 7 is uploaded to a data processing module 42 in the central processing module 4 through the interface 5, the collected data is preprocessed, some invalid data are removed, the data are stored in a data storage module 43, and the data are uploaded to the monitoring center 1 through the data transmission channel 3.
The terminal 2 of the internet of things is applied to highway equipment, and the structure is as follows:
as shown in fig. 2, there is a control cabinet at intervals on the highway, the control cabinet is connected to all the external field devices 7 nearby, the terminal 2 of the internet of things is installed in the control cabinet, the terminal 2 of the internet of things is communicated with the external field devices 7 of the highway through a serial port and a network port, the external field devices 7 include but are not limited to a main traffic area controller, a fan and lighting devices, and the main traffic area controller includes but is not limited to a lane indicator, an environment detector and an information board. Of course, the internet of things terminal 2 communicates the acquired data with the server of the monitoring center 1. The Internet of things equipment management platform of the monitoring center 1 is connected with the server, and the information of the server is called for data and report form checking and decision support.
In order to facilitate real-time monitoring of the external field device 7, the handheld device 8 can be used for information interaction with the internet of things terminal 2 through wireless communication; and the Internet of things management platform of the monitoring center 1 performs information interaction with the Internet of things terminal 2 through an Ethernet port, an NB or a 4G module.
The above is the preferred embodiment of the present invention, and several other simple substitutions and modifications made on the premise of the inventive concept should be considered as falling into the protection scope of the present invention.
Claims (10)
1. A multi-protocol adaptive Internet of things terminal is characterized by comprising a data transmission channel, a central processing module and an interface; the data transmission channel is communicated with the central processing module, the central processing module is communicated with the interface, the data transmission channel is communicated with the monitoring center, and the interface is communicated with the external field equipment based on multiple protocols; the central processing module comprises a protocol self-adaptive module, and a proper communication protocol is selected by the protocol self-adaptive module according to input data of different external field devices to realize protocol self-adaptation.
2. The multi-protocol-adaptive Internet of things terminal as claimed in claim 1, wherein the communication protocols adaptable by the protocol adaptation module include Modbus-RTU, Modbus TCP, power meter protocol, SNMP communication protocol, and custom communication protocol of electromechanical devices.
3. The multi-protocol-adaptive internet of things terminal according to claim 1, wherein the central processing module further comprises a data acquisition module, a data processing module, a data storage module and a switching value module; the data acquisition module is communicated with the switching value module and controls the corresponding interface to acquire external field equipment data; the data processing module receives and processes the acquired data and is communicated with the data storage module.
4. The multi-protocol-adaptive internet-of-things terminal according to claim 1, wherein the data transmission channel comprises one or more network access modules.
5. The terminal of the internet of things with multi-protocol adaptation according to claim 4, wherein the network access module has any one or more of a 4G network, an Ethernet network and an NB network.
6. The internet of things terminal with multi-protocol adaptation according to claim 1, wherein the interface comprises a plurality of serial ports and network ports, and the serial ports and the network ports are used for connecting external field equipment.
7. The internet of things terminal with multi-protocol adaptation according to claim 1, further comprising a power control module for providing electric energy required by operation for the internet of things terminal.
8. The internet of things terminal with multi-protocol adaptation according to claim 7, wherein the central processing module is communicated with the power control module to monitor and collect power-on data of the power control module.
9. A protocol adaptation method of a multi-protocol-adapted terminal of the internet of things, applied to the multi-protocol-adapted terminal of the internet of things of any one of claims 1 to 8, comprising the steps of:
inputting various communication protocols into a protocol self-adaptive module for training, subdividing and storing;
step two, receiving and analyzing the data of the external field equipment;
and step three, comparing the analyzed external field equipment data with the data which are stored in the database and are subdivided by various communication protocols, and selecting the adaptive communication protocol.
10. The protocol adaptation method of the multi-protocol-adapted internet of things terminal as claimed in claim 9, wherein various communication protocols are trained by using Kohonen neural network, and the steps are as follows:
step one, network initialization: initializing a network weight omega;
step two, distance calculation: calculating an input vector X ═ X1，x2，…xn) Distance d to competition layer neuron jj
Step three, neuron selection: taking a competition layer neuron c with the minimum distance with the input vector X as an optimal matching output neuron;
step four, weight adjustment: adjusting node c and in its domain NcThe weight coefficient of the node contained in (t), i.e.
Nc(t)＝(t|find(norm(post,posc)≤r) t＝1,2,…,n
ωij＝ωij+η(Xi-ωij)
In the formula, posc，postCalculating the distance between two neurons by norm, wherein r is the radius of the field, η is the learning rate, and r, η generally linearly decreases along with the increase of the evolution times;
and step five, judging whether the algorithm is finished or not, and returning to the step two if the algorithm is not finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363212.1A CN111586027A (en) | 2020-04-30 | 2020-04-30 | Multi-protocol-adaptive Internet of things terminal and protocol self-adaption method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363212.1A CN111586027A (en) | 2020-04-30 | 2020-04-30 | Multi-protocol-adaptive Internet of things terminal and protocol self-adaption method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111586027A true CN111586027A (en) | 2020-08-25 |
Family
ID=72126433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010363212.1A Pending CN111586027A (en) | 2020-04-30 | 2020-04-30 | Multi-protocol-adaptive Internet of things terminal and protocol self-adaption method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111586027A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115134385A (en) * | 2022-06-29 | 2022-09-30 | 北京鸿蒙网科技有限公司 | User-defined network system supporting interconnection of everything and user-defined connection method |
| CN115277867A (en) * | 2022-06-23 | 2022-11-01 | 青岛东软载波科技股份有限公司 | Collector and electric power communication method and system of Modbus protocol equipment based on collector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141424A (en) * | 2007-10-16 | 2008-03-12 | 北京天源科创风电技术有限责任公司 | Method of performing communication protocol adapting through preposition adapter |
| CN108650280A (en) * | 2018-08-03 | 2018-10-12 | 陕西中达公路技术服务有限公司 | A kind of adaptive multi-protocol adaptation method |
-
2020
- 2020-04-30 CN CN202010363212.1A patent/CN111586027A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141424A (en) * | 2007-10-16 | 2008-03-12 | 北京天源科创风电技术有限责任公司 | Method of performing communication protocol adapting through preposition adapter |
| CN108650280A (en) * | 2018-08-03 | 2018-10-12 | 陕西中达公路技术服务有限公司 | A kind of adaptive multi-protocol adaptation method |
Non-Patent Citations (1)
| Title |
|---|
| 王小川: "《MATLAB神经网络43个案例分析》", 31 August 2013, 北京航空航天大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115277867A (en) * | 2022-06-23 | 2022-11-01 | 青岛东软载波科技股份有限公司 | Collector and electric power communication method and system of Modbus protocol equipment based on collector |
| CN115134385A (en) * | 2022-06-29 | 2022-09-30 | 北京鸿蒙网科技有限公司 | User-defined network system supporting interconnection of everything and user-defined connection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104936312B (en) | The method of work of Internet of Things intelligent node with data prediction and equipment Management Function | |
| CN111586027A (en) | Multi-protocol-adaptive Internet of things terminal and protocol self-adaption method thereof | |
| CN111614626B (en) | Data acquisition system and data acquisition method | |
| CN110769032B (en) | System and method for rapidly detecting and maintaining power grid equipment fault | |
| CN201845232U (en) | Wireless sensor network monitoring system for grain conditions in grain depot | |
| CN103069756A (en) | Communication system, controller, node controlling method and program | |
| WO2013091569A1 (en) | Smart energy network control method | |
| CN102004479A (en) | Wireless sensor network monitoring system for grain situation of grain depot | |
| Kun et al. | Design of industrial internet of things system based on machine learning and artificial intelligence technology | |
| CN209417574U (en) | Industrial robot controller data intelligence acquisition system | |
| CN102427417A (en) | System and method for remotely controlling Internet of things access equipment | |
| CN106534067B (en) | A kind of intelligent control method and system based on Internet of Things | |
| CN112286691A (en) | Cloud edge-side cooperation method based on heterogeneous decision model generation technology | |
| CN113111115A (en) | Data information management system and method thereof | |
| CN101751018B (en) | Distributing data monitoring and prealarming system under test environment and method therefor | |
| CN106549812A (en) | A kind of data center apparatus management-control method and system based on software definition | |
| CN110380969A (en) | A kind of traffic scheduling method and system based on domain name | |
| CN209148859U (en) | A kind of electrical network instrument intelligent monitoring analysis system based on distributed computing | |
| CN211702069U (en) | Internet of things terminal with multi-protocol adaptation | |
| CN107018207A (en) | A kind of greenhouse cloud control system and its control method | |
| CN113658415B (en) | Early warning method and system of intelligent gateway | |
| CN101854672A (en) | Service platform subsystem, information interaction system and information interaction method | |
| CN206993302U (en) | A kind of router intelligent monitoring and controlling device | |
| CN112187942B (en) | Edge computing system serving intelligent engine room | |
| CN209388172U (en) | Energy consumption monitoring regulating system based on local area network |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |