CN104811433B - The distributed Internet of things system and implementation method of a kind of C/S frameworks - Google Patents
The distributed Internet of things system and implementation method of a kind of C/S frameworks Download PDFInfo
- Publication number
- CN104811433B CN104811433B CN201410623134.9A CN201410623134A CN104811433B CN 104811433 B CN104811433 B CN 104811433B CN 201410623134 A CN201410623134 A CN 201410623134A CN 104811433 B CN104811433 B CN 104811433B
- Authority
- CN
- China
- Prior art keywords
- server
- internet
- applications client
- node layer
- monitoring
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/068—Network architectures or network communication protocols for network security for supporting key management in a packet data network using time-dependent keys, e.g. periodically changing keys
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
- H04L63/0846—Network architectures or network communication protocols for network security for authentication of entities using passwords using time-dependent-passwords, e.g. periodically changing passwords
-
- 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
Abstract
The invention discloses a kind of distributed Internet of things system of C/S frameworks and implementation method, the system includes：Internet of Things scene node layer, applications client, remote server and monitoring/management terminal.Remote server is by the front server that is deployed in cloud platform, database, three parts of data application server are formed, remote server, which is established, has dynamic key to access authentication mechanism and channel allocation mechanism, front server is used for the instruction for receiving and forwarding the reported data and applications client of Internet of Things scene node layer, data application server handles the various database manipulations of monitoring/management terminal, monitoring/management terminal monitors Internet of Things scene node layer by remote server in real time, the working condition of applications client, and to Internet of Things scene node layer, applications client and database are managed maintenance, the present invention makes the Internet of Things solution based on cloud platform large-scale, can be safer in specialization application, it is more reliable, it is more real-time.
Description
Technical field
The present invention relates to internet of things field, the distributed Internet of things system of more particularly to a kind of C/S frameworks and realization
Method.
Background technology
Currently, the mankind enter one " thing thing connected epoch ".The birth of " Internet of Things " is brought to the life of people
Very big convenience, developed rapidly in particular with digital communication technology and current cloud computing technology, the application of technology of Internet of things
Level just deepens continuously, and the safety problem that Internet of Things is brought therewith is extremely urgent, how to bring easily together
When, will be that following Internet of Things develops faced challenge to customers with secure, reliable, more secure service.
The content of the invention
In order to solve the problems, such as the safety guarantee to be demanded perfection urgently in technology of Internet of things application process, the invention provides a kind of C/
The distributed Internet of things system and implementation method of S frameworks, so that being answered based on the technology of Internet of things of cloud platform large-scale, specialized
Can be safer, more reliable, more real-time in.Technical scheme is as follows：
A kind of distributed Internet of things system of C/S frameworks, including：Live node layer, applications client, remote server and
Monitoring/management terminal；It is characterized in that：
The remote server is by front server, database, the data application server three that is deployed in cloud platform
Part is formed.
The database connects front server and data application server respectively, the database be used for it is centrally stored and
Manage the data of front server and data application server.
The front server and data application server are provided with fire wall, and establishing has dynamic key to access verification machine
System, the front server and data application server can carry out identity when receiving network connecting request by dynamic key
Login authentication, such as authentication failed, server actively reject connection request.
The live node layer and applications client are established by wired or wireless internet with front server to be connected, institute
State the instruction that front server is used to receiving, forwarding the reported data and applications client of live node layer.
The front server has also set up channel allocation mechanism, after the live node layer logs in front server, place
In channel state to be allocated, after applications client logins successfully, the application for connecting live node layer is submitted to front server, such as
Fruit scene node layer is channel state to be allocated and has binding relationship with applications client foundation, then front server allows to connect
Connect, otherwise connect refusal.
Monitoring/the management terminal is established with front server by internet and connected, and is also built with data application server
Vertical connection, the data application server handle monitoring/management as the middleware between database and monitoring/management terminal
The various database manipulations of terminal.
Monitoring/the management terminal passes through the real-time monitoring site node layer of remote server, the work shape of applications client
State, the monitoring/management terminal are also managed dimension by remote server to live node layer, applications client and database
Shield.
Monitoring/the management terminal management service of live node layer and applications client is included to live node layer and
Applications client carries out binding distribution, and field layer node address and applications client account number cipher are added, change, deleted
Operation.
The live node layer is the intelligent terminal that Internet of Things field layer carries data acquisition and control function, and the intelligence is eventually
End includes RS485 communication modules, GPRS wireless communication modules.
The applications client is the terminal that internet of things application layer is provided with private client software, the calculating
Machine terminal is used to implement teledata monitoring and control to bound live node layer, and the applications client can be according to need
Set multiple.
The live node layer, applications client and monitoring/management terminal are each equipped with dynamic key production device, described dynamic
State key generator is the interior encryption chip provided with dynamic encryption algorithm or dynamic encryption algorithm program.
A kind of implementation method of the distributed Internet of things system of C/S frameworks, comprises the following steps：
Step 1, system deployment, remote server are deployed in the cloud platform of public network IP；
Step 2, live node layer and applications client are established TCP by wired or wireless internet and front server and connected
Connect and realize that data communicate, front server is verified using dynamic key to connection request when establishing connection；
Step 3, monitoring/management terminal is established TCP with front server and data application server by internet and is connected
Realize that data communicate, front server and data application server are tested connection request using dynamic key when establishing connection
Card；
Step 4, the data message of collection is reported front server by live node layer timing, and front server is again by number
Affiliated applications client is transmitted to according to message simultaneously while is preserved to database, is realized by this mode in Internet of Things teledata
Report；
Step 5, front server receives the remote control commands of applications client, is transmitted to according to the channel established in advance
Bound live node layer performs, and realizes Internet of Things remote control.
The present invention and the beneficial effect of prior art contrast：
1st, professional, the present invention uses C/S (client/server) structure, and the B/S (browsers/service of prior art
Device) works networking solution compares, and the present invention is more suitable for control ability requirement large-scale, specialized, to information security
High fixed client group, and B/S works networking solutions be suitable as issue can public information general customer base use.
2nd, flexibly, Distributed Design of the invention make it that system deployment is more flexible, can be carried out according to real network environment
The deployment configuration of system, front server, database, data application server can be deployed on a server, can also incited somebody to action
Monitoring/management terminal and applications client deployment are on one computer.
3rd, safety, Internet of Things is to realize contacting for physical world and information world by internet, so safety problem is
Key problem in Internet of Things application.Compared to the prior art, the present invention, which establishes, dynamic key authentication mechanism, there is provided system is visited
The security with data communication is asked, dynamic key is that at regular intervals, cipher key content changes once automatically, so every one section
The key of time device login authentication is all different, the dynamic of live node layer, applications client and monitoring/management terminal configuration
Key generator coordinates the dynamic encryption algorithm of server system, is accessed and the security of data communication so as to improve system.
The present invention has also set up safe lane distribution mechanism, after field layer Node registers front server, is treated in channel
Distribution state, after applications client logins successfully, the application for connecting live node layer is submitted to front server, if field layer
Node is channel state to be allocated and has binding relationship with applications client foundation, then front server allows to connect, and otherwise will
Refusal connection.
The present invention takes in the safeguard measure to database and sets data application server to realize that database data updates
Inquiry and data processing operation, ensure that database is not directly exposed on internet, improve the security of system.
4th, controllable, the present invention is provided with special monitoring/management terminal to monitor each live node layer, application client in real time
The working condition at end, maintenance is managed to live node layer, applications client and database by remote server, it is ensured that
The manageability and validity of system Centralizing inspection.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the distributed Internet of things system of C/S frameworks.
Embodiment：
As shown in figure 1, a kind of distributed Internet of things system of C/S frameworks, including：Internet of Things scene node layer, using visitor
Family end, remote server and monitoring/management terminal.
The remote server is by front server, database, the data application server three that is deployed in cloud platform
Part is formed, and the database connects front server and data application server respectively, and the database is used for centrally stored
With the data of management front server and data application server.
The front server and data application server configuration have fire wall, Internet of Things scene node layer and application
Client is established with front server by wired or wireless internet and connected, and the monitoring/management terminal passes through internet point
Connection is not established with front server and data application server.
The front server and data application server configuration of the remote server have dynamic key production device, and foundation has
Dynamic key accesses authentication mechanism.Front server and data application server, can be by dynamic when receiving login network request
State key carries out identity logs checking, such as authentication failed, and server actively rejects request connection.
The front server of the remote server has also set up channel allocation mechanism, the preposition service of field layer Node registers
After device, in channel state to be allocated, after applications client logins successfully, submitted to front server and connect live node layer
Application, if live node layer is state to be allocated and has binding relationship with applications client foundation, front server allows
Connection, otherwise refusal is connected.
Internet of Things scene node layer, applications client and monitoring/management terminal are each equipped with and remote server phase
Corresponding dynamic key production device, the dynamic key production device, can be the interior encryption chip provided with dynamic encryption algorithm or
It is dynamic encryption algorithm program.
The front server is used for：
1 login authentication：Internet of Things scene node layer and applications client send request connection, and server is close according to dynamic
Key proof rule is verified to connection equipment, is connected if checking will illegally reject, if checking is legal to keep connection；
2 data acquisitions：The node layer timing of Internet of Things scene reports gathered data, and server turns after checksum validation
Given client end is issued, and is saved in database；
3 remote controls：The remote control commands of applications client are received, is transmitted to and is tied up according to the channel established in advance
Fixed Internet of Things scene node layer performs；
4 go offline detection：The live node layer to go offline extremely and client are checked in time, and carries out respective handling, is ensured
The stable operation of server；
5 other telecommunication managements：Processing time synchronization, heartbeat packet, all instructions of monitoring/management terminal, the institute of client
There is instruction processing.
The data application server realizes database number as the middleware between database and monitoring/management terminal
According to renewal inquiry and data processing operation, various database processing logics, the various databases of processing monitoring/management terminal are included
Operation.
Monitoring/the management terminal is used to pass through front server and the real-time monitoring field layer section of data application server
The working condition of point, applications client, and maintenance, the prison are managed to live node layer, applications client and database
Control/management terminal includes carrying out live node layer and applications client to the management service of live node layer and applications client
Binding distribution, and field layer node address and applications client account number cipher are added, changed, deletion action.
The live node layer is the intelligent terminal that Internet of Things field layer carries data acquisition and control function, and the intelligence is eventually
End includes RS485 communication modules, GPRS wireless communication modules.
The applications client is the terminal that internet of things application layer is provided with private client software, and the terminal is used
In implementing teledata monitoring and control to bound live node layer, the client can be arranged as required to multiple.
The present embodiment also comprises the steps of：
Step 1, system deployment, the cloud that front server, database, data application server are deployed in public network IP are put down
On platform.
Step 2, live node layer and applications client establish TCP by wired or wireless internet and front server
Connection, front server can verify that such as checking is lost when receiving connection request by dynamic key file to connection request
Lose, server actively rejects request connection；After field layer Node registers front server, in channel state to be allocated, application
After client logins successfully, the application for connecting live node layer is submitted to front server, is treated if live node layer is channel
Distribution state is simultaneously and applications client foundation has binding relationship, then front server allows to connect, and otherwise connects refusal.
Step 3, monitoring/management terminal is established TCP with front server and data application server by internet and is connected
Realize that data communicate, front server and data application server are entered using dynamic key file to connection request when establishing connection
Row checking, after being successfully connected, monitoring/management terminal passes through this mode remote monitoring Internet of Things scene node layer and applications client
Operation conditions, maintenance is managed to live node layer, applications client and database.
Step 4, live node layer is timing automatic reports front server by data message, and front server is by school
Affiliated applications client is forwarded the data to after testing and verifying again, and is saved in database, long-range number is realized by this mode
According to reporting.
Step 5, front server receives the remote control commands of client, is transmitted to and is tied up according to the passage established in advance
Fixed Internet of Things scene node layer performs, and realizes the remote control of live node layer.
The exemplary embodiment of the present invention is the foregoing is only, all equivalent substitutions carried out under the scope of the present invention or is changed
Enter, should be included in the scope of the protection.
Claims (7)
1. a kind of distributed Internet of things system of C/S frameworks, including：Live node layer, applications client, remote server and prison
Control/management terminal；It is characterized in that：
The remote server is by three parts of front server, database, data application server for being deployed in cloud platform
Form；
The database connects front server and data application server respectively, and the database is used for centrally stored and management
The data of front server and data application server；
The front server and data application server are provided with fire wall, and establishing has dynamic key to access authentication mechanism,
The front server and data application server can carry out identity logs when receiving network connecting request by dynamic key
Checking, such as authentication failed, server actively reject connection request；
The live node layer and applications client are established by wired or wireless internet with front server to be connected, before described
Put the instruction that server is used to receiving, forwarding the reported data and applications client of live node layer；
The front server has also set up channel allocation mechanism, after the live node layer logs in front server, in letter
Road state to be allocated, after applications client logins successfully, the application for connecting live node layer is submitted to front server, if existing
Field node layer is channel state to be allocated and has binding relationship with applications client foundation, then front server allows to connect, no
Then refusal is connected；
Monitoring/the management terminal is established with front server by internet and connected, and is also established and is connected with data application server
Connect, the data application server handles monitoring/management terminal as the middleware between database and monitoring/management terminal
Various database manipulations.
A kind of 2. distributed Internet of things system of C/S frameworks according to claim 1, it is characterised in that：Monitoring/the pipe
Reason terminal passes through the real-time monitoring site node layer of remote server, the working condition of applications client, the monitoring/management terminal
Maintenance is also managed to live node layer, applications client and database by remote server.
A kind of 3. distributed Internet of things system of C/S frameworks according to claim 2, it is characterised in that：Monitoring/the pipe
The management service of reason terminal-pair scene node layer and applications client includes binding live node layer and applications client
Distribution, is added to field layer node address and applications client account number cipher, changes, deletion action.
A kind of 4. distributed Internet of things system of C/S frameworks according to claim 1, it is characterised in that：The field layer
Node is the intelligent terminal that Internet of Things field layer carries data acquisition and control function, and the intelligent terminal includes RS485 and led to
Believe module, GPRS wireless communication modules.
A kind of 5. distributed Internet of things system of C/S frameworks according to claim 1, it is characterised in that：The application visitor
Family end is the terminal that internet of things application layer is provided with private client software, and the terminal is used for bound
Live node layer implement teledata monitoring and control, the applications client can be arranged as required to multiple.
A kind of 6. distributed Internet of things system of C/S frameworks according to claim 1, it is characterised in that：The field layer
Node, applications client and monitoring/management terminal are each equipped with dynamic key production device, and the dynamic key production device is interior sets
There are the encryption chip or dynamic encryption algorithm program of dynamic encryption algorithm.
A kind of 7. implementation method of the distributed Internet of things system of C/S frameworks according to claim 1, it is characterised in that
Comprise the following steps：
Step 1, system deployment, remote server are deployed in the cloud platform of public network IP；
Step 2, live node layer and applications client are established TCP with front server by wired or wireless internet and are connected in fact
Existing data communication, front server is verified using dynamic key to connection request when establishing connection；
Step 3, monitoring/management terminal establishes TCP with front server and data application server by internet and is connected realization
Data are communicated, and front server and data application server are verified using dynamic key to connection request when establishing connection；
Step 4, the data message of collection is reported front server by live node layer timing, and front server is again by datagram
Text is transmitted to affiliated applications client simultaneously while preserved to database, realizes that Internet of Things teledata reports by this mode；
Step 5, front server receives the remote control commands of applications client, is transmitted to and is tied up according to the channel established in advance
Fixed live node layer performs, and realizes Internet of Things remote control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410623134.9A CN104811433B (en) | 2014-11-09 | 2014-11-09 | The distributed Internet of things system and implementation method of a kind of C/S frameworks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410623134.9A CN104811433B (en) | 2014-11-09 | 2014-11-09 | The distributed Internet of things system and implementation method of a kind of C/S frameworks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104811433A CN104811433A (en) | 2015-07-29 |
| CN104811433B true CN104811433B (en) | 2017-11-28 |
Family
ID=53695930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410623134.9A Expired - Fee Related CN104811433B (en) | 2014-11-09 | 2014-11-09 | The distributed Internet of things system and implementation method of a kind of C/S frameworks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104811433B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105227658A (en) * | 2015-09-30 | 2016-01-06 | 浪潮软件集团有限公司 | Method for data interaction between cloud service and tax office |
| CN106385429B (en) * | 2016-08-10 | 2021-09-24 | 青岛天龙安全科技有限公司 | Internet of things cloud content management system |
| CN106230970A (en) * | 2016-08-29 | 2016-12-14 | 山东胜伟园林科技有限公司 | A kind of salt discharge Internet of things system |
| CN106198362A (en) * | 2016-08-31 | 2016-12-07 | 南京理工大学 | Remote multi-point laser dust particle counter system |
| CN106790590A (en) * | 2016-12-28 | 2017-05-31 | 珠海国芯云科技有限公司 | Terminal communication of internet of things managing and control system and its method based on cloud platform |
| CN108282499B (en) * | 2017-01-03 | 2021-03-12 | 南京易安联网络技术有限公司 | Novel networking method for industrial cloud of Internet of things |
| CN107545795B (en) * | 2017-09-12 | 2019-12-10 | 浙江科雄电子科技有限公司 | open type Internet of things experiment teaching platform control method and device |
| CN107864223A (en) * | 2017-12-14 | 2018-03-30 | 科大智能电气技术有限公司 | For the data communication system and method between internet of things equipment terminal and server |
| CN109587142B (en) * | 2018-12-10 | 2022-08-16 | 北京华虹集成电路设计有限责任公司 | Data security access module and equipment for service flow |
| CN110149369B (en) * | 2019-04-19 | 2021-11-16 | 欧普照明股份有限公司 | Rotary reporting method and remote control system of terminal equipment based on Internet of things |
| CN110300126A (en) * | 2019-07-30 | 2019-10-01 | 中电科华北网络信息安全有限公司 | A kind of industrialized agriculture information security cloud service system and monitoring method |
| CN111026055A (en) * | 2019-12-13 | 2020-04-17 | 北京动力机械研究所 | Workshop production data acquisition and analysis system and method |
| CN111817777A (en) * | 2020-07-23 | 2020-10-23 | 广州优加智联技术有限公司 | Idle optical fiber resource on-line monitoring system |
| CN112954050B (en) * | 2021-02-07 | 2023-04-07 | 深圳市大梦龙途文化传播有限公司 | Distributed management method and device, management equipment and computer storage medium |
| CN115694844B (en) * | 2023-01-05 | 2023-03-31 | 无锡锐泰节能系统科学有限公司 | Internet of things terminal communication method and system based on cloud platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196798Y (en) * | 2008-01-28 | 2009-02-18 | 上海地铁运营有限公司 | Intelligent public traffic management and service system |
| CN103595570A (en) * | 2013-11-20 | 2014-02-19 | 中国农业银行股份有限公司广东省分行 | Multi-operation framework front-mounted system, server and service processing method |
| CN103679565A (en) * | 2013-12-27 | 2014-03-26 | 贵阳供电局 | Intelligent community electricity consumption information collecting server system and data processing method |
-
2014
- 2014-11-09 CN CN201410623134.9A patent/CN104811433B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196798Y (en) * | 2008-01-28 | 2009-02-18 | 上海地铁运营有限公司 | Intelligent public traffic management and service system |
| CN103595570A (en) * | 2013-11-20 | 2014-02-19 | 中国农业银行股份有限公司广东省分行 | Multi-operation framework front-mounted system, server and service processing method |
| CN103679565A (en) * | 2013-12-27 | 2014-03-26 | 贵阳供电局 | Intelligent community electricity consumption information collecting server system and data processing method |
Non-Patent Citations (1)
| Title |
|---|
| 基于GPRS的电力集抄系统软件设计与开发;杜立新;《中国优秀硕士学位论文全文数据库 信息科技辑》;20090115(第1期);第I138-440页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104811433A (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104811433B (en) | The distributed Internet of things system and implementation method of a kind of C/S frameworks | |
| CN109922162B (en) | Flat building equipment Internet of things monitoring system and method based on block chain | |
| CN106790034B (en) | A kind of method of internet of things equipment certification and secure accessing | |
| CN103269332B (en) | Safeguard system for power secondary system | |
| CN107528856A (en) | Internet of Things mist end equipment based on block chain platform access authentication method beyond the clouds | |
| CN103313429B (en) | A kind of processing method identifying forgery WIFI hot spot | |
| CN109033143B (en) | Distributed and regional power grid data processing system and method based on block chain | |
| CN111918039B (en) | Artificial intelligence high risk operation management and control system based on 5G network | |
| ES2758973T3 (en) | A procedure for user management and a power plant control system for the power plant system | |
| CN107888613B (en) | Management system based on cloud platform | |
| CN104951524B (en) | A kind of mobile platform and its application method for database O＆M | |
| CN105577757B (en) | Multi-level management system and authentication method of intelligent power terminal based on load balancing | |
| CN111343169B (en) | System and method for gathering security resources and sharing information under industrial control environment | |
| CN108183950A (en) | A kind of network equipment establishes the method and device of connection | |
| CN108848085A (en) | A kind of electric power data distributed security protection tool based on block chain | |
| CN114422201A (en) | Network target range large-scale user remote access method and system | |
| CN112098718A (en) | Power management system based on Internet of things and block chain | |
| CN106992916A (en) | A kind of electric power dispatching system and implementation method based on virtual private cloud | |
| CN112069520A (en) | Electric power tower monitoring data encryption method and device based on alliance block chain and Beidou | |
| CN107819813A (en) | Big data comprehensive analysis processing service system | |
| CN108900328A (en) | A kind of electricity grid network data safety test macro and method | |
| CN105391720A (en) | User terminal login method and device | |
| CN104009846B (en) | A kind of single-sign-on apparatus and method | |
| CN110457897A (en) | A kind of database security detection method based on communication protocol and SQL syntax | |
| CN115953044A (en) | Power grid state stability evaluation method based on federal learning and block chain technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20211109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |