CN107332747A - Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCIExpress 2.0 - Google Patents
Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCIExpress 2.0 Download PDFInfo
- Publication number
- CN107332747A CN107332747A CN201710471787.3A CN201710471787A CN107332747A CN 107332747 A CN107332747 A CN 107332747A CN 201710471787 A CN201710471787 A CN 201710471787A CN 107332747 A CN107332747 A CN 107332747A
- Authority
- CN
- China
- Prior art keywords
- interfaces
- pci express
- data
- arinc818
- audio frequency
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40026—Details regarding a bus guardian
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/4013—Management of data rate on the bus
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCI Express 2.0, including：The photoelectric conversion module of transmitting photo-signal and electric signal；The interface of PCI EXPRESS 2.0 and cable being connected with computer；And by the interfaces of PCI EXPRESS 2.0 and the cable with being provided with the data analysis module that the main frame of data analysis application software is connected；Wherein, the data analyzer module, which is realized, to be received to the data of outside input, is parsed, the data analysis application software is sent information to by the interfaces of PCI EXPRESS 2.0, analysis judgement is carried out to above- mentioned information by the data analysis application software.In accordance with the invention it is possible to monitor the data mode of ARINC818 aviation audio frequency and video optical fiber transfer bus in real time, to possess excellent compatibility.
Description
Technical field
It is more particularly to a kind of based on the interfaces of PCI Express 2.0 the present invention relates to Avionics data bus analytical equipment field
Arinc818 aviation audio frequency and video bus data analyzers.
Background technology
ARIN818 also known as aviation electronics digital video bus (Avionics Digital Video Bus) abbreviation ADVB,
It is for high bandwidth, low latency, the video interface and consensus standard of uncompressed digital video transmission exploitation, in January, 2007
By the formal externally issue of the aviation electronics committee (AEEC), primarily to meeting high-performance and key figure in aviation electric system
The active demand of video task transmission.It has been applied to before formal issue in two projects of Boeing 787 and Air Passenger A400M, into
The fact that video system military for high-performance standard.
ARINC818 main features are embodied in high bandwidth, high reliability, low latency, non-compression video transmission, resistance electromagnetism
Interference, mitigation cable weight, flexibility are high, and compatible extensions are strong, have become aviation electronics digital video bus of new generation
Unified standard, some commercially be widely used in military project.ARINC818 is based on FC-AV (ANSI INCITS
356-2002) agreement, FC-AV agreements have been widely applied in F18 and C130AMP video system.
Although FC-AV has substantial amounts of application, concrete implementation has difference, and it is high that ARINC 818 provides a standardization
The chance of fast video system.ARINC 818 is point-to-point, the serial protocol of 8/10 coding, for transmitting video, audio sum
According to.Agreement employs pack arrangement, centered on video, using very flexibly, supporting a variety of functions, including by multi-channel video signal
It is multiplexed on a link, or passes through two channel transfers, one data flow.
The application fields of ARINC 818 include commercial aviation project, military aviation project, business and military airship, Zhi Huizhong
The heart, emulation platform, military surface car etc., it be applicable to infrared and optical sensor, radar, map and chart system,
Image synthesis, head-up display, Multifunctional display equipment, video-frequency connector and other types of subsystem.One modern commerce and
Military subsystem of video ADVB bus connection systems need to support a wide range of video type, because these connections are to passing
Defeated speed, video resolution, frame rate, pixel definition and synchronization level requirement are inconsistent, and these factors are for transmission
The bus performance of video proposes higher requirement, to possess excellent compatibility.Therefore, monitoring in real time and analysis ARINC
The data mode of 818 aviation audio frequency and video optical fiber transfer bus is the important topic of current area.
The content of the invention
It is high using computer PCI EXPRESS 2.0 object of the present invention is to provide one kind for above-mentioned technical problem
Fast serial bus interface carries out analyzing connecing based on PCI Express 2.0 for judgement to ARINC818 aviation audio frequency and video bus data
The Arinc818 aviation audio frequency and video bus data analyzers of mouth, the transmission of ARINC818 aviation audio frequency and video optical fiber can be monitored in real time total
The data mode of line.
In order to solve the above problems, the present invention provides a kind of Arinc818 aviations based on the interfaces of PCI Express 2.0
Audio frequency and video bus data analyzer, including：The photoelectric conversion module of transmitting photo-signal and electric signal；The PCI being connected with computer
The interfaces of EXPRESS 2.0 and cable；And by the PCI EXPRESS2.0 interfaces and the cable and data point are installed
Analyse the connected data analysis module of the main frame of application software；Wherein, the data analyzer module is realized defeated to outside
The data entered are received, parsed, and the data analysis application is sent information to by the interfaces of PCI EXPRESS 2.0
Software, analysis judgement is carried out by the data analysis application software to above- mentioned information.
Further, in the present invention, the interface of the data analyzer module except the PCI EXPRESS2.0 interfaces with
Outside, in addition to two-way ARINC818 fiber buss input and all the way ARINC818 fiber buss export.
Further, in the present invention, possess Electric signal processing transmitting element and Photoelectric Signal Processing receiving unit, use
Scale programmable logic device FPGA is connect as main process task chip using RocketIO as the transmitting-receiving of high-speed serial data
Mouthful.
Further, in the present invention, high-definition image and voice data host-host protocol follow aviation electronics digital video bus
(Avionics Digital Video Bus, ARINC 818) standard.
Further, in the present invention, using the embedded PCIExpress stones of the Virtex6 Series FPGAs of Xilinx companies
IP realizes the interface protocols of PCI Express 2.0.
Further, in the present invention, possesses the optical fiber receiver-transmitter module that the serial data that will be received issues FPGA, FPGA will
The data received are transferred to the stone IP of PCIEXPRESS 2.0 after being handled by GPIF II general programmable interfaces.
Further, in the present invention, the control chips of PCI EXPRESS 2.0 of the PCI EXPRESS 2.0 are used
The virtex6 family chips of xilinx companies embed the stone IP of PCI Express 2.0.
Further, in the present invention, the viretx-6 series of X C6VLX130T of the fpga chip selection Xilinx companies
GTX interfaces in chip, the chip reach as high as 6.5Gbps speed, and external DDR2 memories are cached as Large Volume Data.
Compared with prior art, the invention has the advantages that：
In accordance with the invention it is possible to the data mode of ARINC818 aviation audio frequency and video optical fiber transfer bus is monitored in real time, also,
ARINC818 have high bandwidth, high reliability, low latency, non-compression video transmission, resistance electromagnetic interference, the cable weight of mitigating,
Flexibility is high, the advantages of compatible extensions are strong.
In addition, the present invention is using extensive field-programmable chip --- FPGA is used as main process task chip.Will using FPGA
The data for meeting ARINC818 data link forms received by optical-fibre channel carry out parsing and restore video figure therein
As and the data such as audio, then by the interfaces of PCI EXPRESS 2.0 by above-mentioned data transfer to the calculating for being preinstalled with analysis software
Machine host, analysis judgement is carried out to audio, video data by analysis software, in real time the transmission state of monitoring fiber buss.
According to following embodiments and refer to the attached drawing, the above and other mesh of the present invention is better understood with
, feature and advantage.
Brief description of the drawings
Fig. 1 is the analysis of the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 of the present invention
The system schematic of instrument.
Embodiment
Illustrate the substantive distinguishing features of the present invention and the progress of conspicuousness with reference to specific implementation form and accompanying drawing.Ying Li
Solution, these embodiments are only used for that the present invention is further described, it is impossible to be interpreted as limiting the scope of the invention.
Direction concept as shown below is only for convenience of description, and non-limiting, can be changed as needed during specific implementation.
As previously noted, ARINC 818 is a point-to-point use 8B/10B coding, is mainly used in exploitation high bandwidth, low
Delay and the video interface and agreement of uncompressed digital video transmission, it is formulated based on optical-fibre channel and FC-AV consensus standards
, it is the simplification to FC-AV agreements in its content, is specific to the international uniform mark of aviation electronics video system design formulation
It is widely applied in the video system of standard, wherein FC-AV agreements in the military type such as F18 and C130AMP, this is
The application of ARINC818 agreements provides reliable support and guarantee.
In order to solve technical problem of the prior art, the present invention provides a kind of based on the interfaces of PCI Express 2.0
The system flow chart of Arinc818 aviation audio frequency and video bus data analyzers refer to Fig. 1, including：The power supply dress of electric power can be provided
Put；The photoelectric conversion module of transmitting photo-signal and electric signal；The interface of PCI EXPRESS 2.0 and cable being connected with computer；
200V exchanges can be turned 5V DC power source adapters；And pass through the above-mentioned interfaces of PCI EXPRESS 2.0 and above-mentioned cable and peace
The connected data analysis module of main frame equipped with data analysis application software；Wherein, above-mentioned data analyzer module is real
Now the data to outside input are received, parsed, and above-mentioned number is sent information to by the above-mentioned interfaces of PCI EXPRESS 2.0
According to application software for XRF analysis, analysis judgement is carried out to above- mentioned information by above-mentioned data analysis application software.
Specifically, the interface of data analyzer module is in addition to the interfaces of PCI EXPRESS 2.0, in addition to two-way
ARINC818 fiber buss is inputted and exported all the way, and the inside modules are by one piece of ARINC818 bus point developed based on FPGA
Analysis board, which is realized, to be received to the two-way ARINC818 bus datas of outside input, is parsed, high by PCI EXPRESS 2.0
The information such as audio, video data and ARINC818 agreements packet header, check code is sent to computer application software by fast serial bus interface
Interface, analysis judgement is carried out by the software to above- mentioned information.
In the present invention, the interface of above-mentioned data analyzer module in addition to the above-mentioned interfaces of PCI EXPRESS 2.0, in addition to
Two-way ARINC818 fiber buss is inputted and ARINC818 fiber buss is exported all the way.It is also equipped with Electric signal processing transmitting element
And Photoelectric Signal Processing receiving unit, using scale programmable logic device FPGA as main process task chip, use
RocketIO as high-speed serial data transceiver interface.
In the present invention, high-definition image and voice data host-host protocol follow aviation electronics digital video bus (Avionics
Digital Video Bus, ARINC 818) standard.Also using the embedded PCI of the Virtex6 Series FPGAs of Xilinx companies
Express stones IP realizes the interface protocols of PCI Express 2.0.
In the present invention, possesses the optical fiber receiver-transmitter module that the serial data that will be received issues FPGA, FPGA is by the number received
According to being transferred to USB3.0 control chips CYUSB3014 by GPIFII general programmable interfaces after being handled.In addition, above-mentioned
PCI EXPRESS 2.0 controllers of PCI EXPRESS 2.0 embed PCI using the virtex6 family chips of xilinx companies
The stone IP of Express 2.0
In the present invention, the viretx-6 series of X C6VLX130T chips of above-mentioned fpga chip selection Xilinx companies, the core
GTX interfaces in piece reach as high as 6.5Gbps speed, and external DDR2 memories are cached as Large Volume Data.
(embodiment)
It is further described in conjunction with accompanying drawing and specific embodiment and PCI is based on according to the above-mentioned of the present invention
The Arinc818 aviation audio frequency and video bus data analyzers of the interfaces of Express 2.0.In the present embodiment, ARINC818 aviation sounds are regarded
The shape and size of frequency bus data analyzer can demand and set, such as can be cuboid.
As shown in figure 1, on fiber buss data receiver, optical fiber receiver-transmitter module issues the serial data received
FPGA, FPGA are transferred to the stones of PCI Express 2.0 after the data received are handled by AXI general programmable interfaces
IP。
On USB interface design, the control chips of PCI EXPRESS 2.0 use the serial cores of the virtex6 of xilinx companies
Piece embeds the stone IP of PCI Express 2.0.The viretx-6 series of X C6VLX130T cores of fpga chip selection Xilinx companies
GTX interfaces in piece, the chip reach as high as 6.5Gbps speed.External DDR2 memories are cached as Large Volume Data.
According to the analysis of the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 of the present invention
Instrument, can be achieved the analysis to two-way ARINC818 bus datas, real-time controlling bus state.Also, with high bandwidth, highly reliable
Property, the transmission of low latency, non-compression video, resistance electromagnetic interference, the cable weight of mitigating, flexibility it is high, it is excellent that compatible extensions are strong etc.
Point, can be applied to various fields.
Therefore, the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.
In the case where not departing from the objective of essential characteristic of the present invention, the present invention can be presented as in diversified forms, therefore the present invention
Embodiment be to be illustrative rather than definitive thereof, be defined by the claims rather than limited by specification due to the scope of the present invention,
And all changes fallen in the scope defined in claim, or the full scope of equivalents of its scope defined are understood to include
In detail in the claims.
Claims (8)
1. a kind of Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCI Express 2.0, its feature exists
In, including：
The photoelectric conversion module of transmitting photo-signal and electric signal；
The interface of PCI EXPRESS 2.0 and cable being connected with computer；
And
Main frame by the interfaces of PCI EXPRESS 2.0 and the cable with being provided with data analysis application software
Connected data analysis module；
Wherein, the data analyzer module, which is realized, is received to the data of outside input, is parsed, and passes through the PCI
The interfaces of EXPRESS 2.0 send information to the data analysis application software, by the data analysis application software to above-mentioned
Information carries out analysis judgement.
2. the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 divides as claimed in claim 1
Analyzer, it is characterised in that the interface of the data analyzer module in addition to the interfaces of PCI EXPRESS 2.0, in addition to
Two-way ARINC818 fiber buss is inputted and ARINC818 fiber buss is exported all the way.
3. the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 divides as claimed in claim 1
Analyzer, it is characterised in that possess Electric signal processing transmitting element and Photoelectric Signal Processing receiving unit, using can compile on a large scale
Journey logical device FPGA is as main process task chip, using transceiver interfaces of the RocketIO as high-speed serial data.
4. the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 divides as claimed in claim 1
Analyzer, it is characterised in that high-definition image and voice data host-host protocol follow aviation electronics digital video bus (Avionics
Digital Video Bus, ARINC 818) standard.
5. the Arinc818 aviation audio frequency and video bus data analysis based on PCI Express2.0 interfaces as claimed in claim 1
Instrument, it is characterised in that PCI is realized using the embedded PCI Express stones IP of the Virtex6 Series FPGAs of Xilinx companies
The interface protocols of Express 2.0.
6. the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 divides as claimed in claim 1
Analyzer, it is characterised in that possess the optical fiber receiver-transmitter module that the serial data that will be received issues FPGA, FPGA is by the data received
The stone IP of PCI EXPRESS 2.0 are transferred to by GPIF II general programmable interfaces after being handled.
7. the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 divides as claimed in claim 1
Analyzer, it is characterised in that the control chips of PCI EXPRESS 2.0 of the PCI EXPRESS 2.0 are using xilinx companies
Virtex6 family chips embed the stone IP of PCI Express 2.0.
8. the Arinc818 aviation audio frequency and video bus data based on the interfaces of PCI Express 2.0 divides as claimed in claim 1
Analyzer, it is characterised in that the viretx-6 series of X C6VLX130T chips of the fpga chip selection Xilinx companies, the chip
In GTX interfaces reach as high as 6.5Gbps speed, external DDR2 memories are cached as Large Volume Data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471787.3A CN107332747A (en) | 2017-06-20 | 2017-06-20 | Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCIExpress 2.0 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471787.3A CN107332747A (en) | 2017-06-20 | 2017-06-20 | Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCIExpress 2.0 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107332747A true CN107332747A (en) | 2017-11-07 |
Family
ID=60194090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710471787.3A Pending CN107332747A (en) | 2017-06-20 | 2017-06-20 | Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCIExpress 2.0 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332747A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109040836A (en) * | 2018-07-05 | 2018-12-18 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of method and device for analyzing of ARINC818 protocol video stream |
| CN109889748A (en) * | 2019-01-29 | 2019-06-14 | 中国航空无线电电子研究所 | Restructural Avionics Databus |
| CN112468757A (en) * | 2020-11-26 | 2021-03-09 | 中国航空工业集团公司洛阳电光设备研究所 | Adaptive resolution ARINC818 video conversion circuit based on FPGA |
| WO2021217356A1 (en) * | 2020-04-27 | 2021-11-04 | 深圳市特博赛科技有限公司 | Data transmission apparatus based on pcie interface |
| CN113609808A (en) * | 2021-03-08 | 2021-11-05 | 安徽师范大学 | PCIExpress signal integrity improvement method for navigation display system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747220A (en) * | 2013-12-31 | 2014-04-23 | 中航华东光电有限公司 | Data fiber optic transmission system of universal interface of computer |
| CN105357070A (en) * | 2015-11-05 | 2016-02-24 | 天津津航计算技术研究所 | FPGA-based ARINC818 bus analysis and test apparatus |
-
2017
- 2017-06-20 CN CN201710471787.3A patent/CN107332747A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747220A (en) * | 2013-12-31 | 2014-04-23 | 中航华东光电有限公司 | Data fiber optic transmission system of universal interface of computer |
| CN105357070A (en) * | 2015-11-05 | 2016-02-24 | 天津津航计算技术研究所 | FPGA-based ARINC818 bus analysis and test apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109040836A (en) * | 2018-07-05 | 2018-12-18 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of method and device for analyzing of ARINC818 protocol video stream |
| CN109040836B (en) * | 2018-07-05 | 2020-11-06 | 中国航空工业集团公司洛阳电光设备研究所 | Method and device for analyzing ARINC818 protocol video stream |
| CN109889748A (en) * | 2019-01-29 | 2019-06-14 | 中国航空无线电电子研究所 | Restructural Avionics Databus |
| CN109889748B (en) * | 2019-01-29 | 2021-10-26 | 中国航空无线电电子研究所 | Reconfigurable airborne video recorder |
| WO2021217356A1 (en) * | 2020-04-27 | 2021-11-04 | 深圳市特博赛科技有限公司 | Data transmission apparatus based on pcie interface |
| CN112468757A (en) * | 2020-11-26 | 2021-03-09 | 中国航空工业集团公司洛阳电光设备研究所 | Adaptive resolution ARINC818 video conversion circuit based on FPGA |
| CN113609808A (en) * | 2021-03-08 | 2021-11-05 | 安徽师范大学 | PCIExpress signal integrity improvement method for navigation display system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107332747A (en) | Arinc818 aviation audio frequency and video bus data analyzers based on the interfaces of PCIExpress 2.0 | |
| TWI656796B (en) | Data line, electronic system and method for transmitting MIPI signal | |
| US9639447B2 (en) | Trace data export to remote memory using remotely generated reads | |
| US20120071011A1 (en) | Adapter for high-speed ethernet | |
| US9684583B2 (en) | Trace data export to remote memory using memory mapped write transactions | |
| CN111090603B (en) | LVDS-to-USB 3.0 adapter | |
| CN104954760B (en) | Airborne generic video acquisition system | |
| CN103747220A (en) | Data fiber optic transmission system of universal interface of computer | |
| CN102917213B (en) | System and method for transmitting optical fiber video images | |
| WO2009031737A1 (en) | Universal high-speed real-time monitoring device for embedded systems | |
| WO2012173732A1 (en) | Dynamically reconfigurable electrical interface | |
| CN107197232A (en) | ARINC818 aviation audio frequency and video bus data analyzers based on USB3.0 interfaces | |
| CN108780430B (en) | Sending Universal Serial Bus (USB) data over an alternate mode connection | |
| TWI440571B (en) | Communication interface conversion device | |
| CN113391589A (en) | Unified access and protocol conversion integrated circuit board for heterogeneous equipment of unmanned aerial vehicle | |
| CN105049797A (en) | Video signal remote transmission realizing method | |
| Engel et al. | Common read-out receiver card for ALICE Run2 | |
| CN104077200B (en) | A kind of CPCI module independent test devices departed from main frame | |
| CN105354165A (en) | PCIE (Peripheral Component Interface Express) network card and server system | |
| US20120159007A1 (en) | Apparatus and method for analyzing bidirectional data exchanged between two electronic devices | |
| US20110200336A1 (en) | Avionics equipment with optical contact and avionics system comprising such equipment | |
| US9928198B2 (en) | Adapter card with a computer module form factor | |
| CN103617145A (en) | User-defined bus and achievement method thereof | |
| CN106648085A (en) | Method for capturing attitude information of virtual reality device | |
| CN104679117A (en) | Computer system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171107 |
|
| WD01 | Invention patent application deemed withdrawn after publication |