CN110751819B - Remote maintenance site information acquisition system for airplane - Google Patents
Remote maintenance site information acquisition system for airplane Download PDFInfo
- Publication number
- CN110751819B CN110751819B CN201911035262.0A CN201911035262A CN110751819B CN 110751819 B CN110751819 B CN 110751819B CN 201911035262 A CN201911035262 A CN 201911035262A CN 110751819 B CN110751819 B CN 110751819B
- Authority
- CN
- China
- Prior art keywords
- information acquisition
- power supply
- processor
- module
- field
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
Abstract
The application belongs to the field of airplane maintenance support, and particularly relates to an airplane remote maintenance field information acquisition system. The method comprises the following steps: wearable information acquisition equipment, portable information acquisition equipment and field communication equipment. The wearable information acquisition equipment is worn on the body of a field maintainer and is used for realizing information interaction with the field maintainer; the portable information acquisition equipment is used for realizing field information acquisition; the field communication equipment is respectively connected with the wearable information acquisition equipment and the portable information acquisition equipment, and the field communication equipment is used for realizing data interaction between the wearable information acquisition equipment and the portable information acquisition equipment and the remote technical support platform respectively. The devices adopt a uniform communication interface, complete the relevant information of the field fault through information acquisition and incorporate into the local area network, and centralize the information into the remote server in different forms. The method and the device can interact audio and video and data information in real time, and provide real-time interaction for personnel on the machine, who cooperate to develop maintenance and inspection at different positions.
Description
Technical Field
The application belongs to the field of airplane maintenance support, and particularly relates to an airplane remote maintenance field information acquisition system.
Background
In an aircraft maintenance troubleshooting field, information acquisition is generally performed by combining detection equipment data and maintenance personnel description. Along with the increase of the functional requirements of the airplane system, the system design and the interaction relation are more and more complex, and the requirements on the accuracy and the comprehensiveness of troubleshooting information are higher and higher; with the improvement of the requirements on task requirements and equipment perfection rate, the real-time requirement on equipment maintenance guarantee reaction is higher and higher. The problems of incomplete acquisition, poor accuracy and the like of field information acquisition in the prior art also exist.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide an airplane remote maintenance field information acquisition system to solve at least one problem existing in the prior art.
The technical scheme of the application is as follows:
an aircraft remote maintenance field information acquisition system comprising:
the wearable information acquisition equipment is worn on the body of a field maintenance worker and is used for realizing information interaction with the field maintenance worker;
the portable information acquisition equipment is used for realizing field information acquisition;
the field communication equipment is respectively connected with the wearable information acquisition equipment and the portable information acquisition equipment, and the field communication equipment is used for realizing data interaction between the wearable information acquisition equipment and the portable information acquisition equipment and a remote technical support platform respectively.
Optionally, the field communication device is connected to the wearable information collection device and the portable information collection device via wireless and optical fiber, respectively.
Optionally, the field communication device comprises a first processor, a first radio frequency module, a first power supply module, and a channel control module, wherein,
the first processor is provided with an optical fiber interface for accessing an external optical fiber network;
the first radio frequency module is connected with the first processor and used for receiving and transmitting wireless signals;
the first power supply module is connected with the first processor, the first power supply module comprises a charger, the charger is provided with a plurality of power supply interfaces, and the charger is used for supplying power to the wearable information acquisition equipment and the portable information acquisition equipment;
the channel control module is respectively connected with the first processor and the first power supply module, and is provided with a plurality of paths of optical fiber interfaces.
Optionally, the first processor is further provided with a wireless switch and a wireless indicator light.
Optionally, the wearable information acquisition device is provided in plurality, and the wearable information acquisition device comprises a second processor, a second radio frequency module, a helmet camera, a headset, video glasses, and a second power module, wherein,
the second processor is provided with an optical fiber interface which is connected with the optical fiber interface of the channel control module;
the second radio frequency module is connected with the second processor and used for receiving the wireless signal of the first radio frequency module;
the helmet camera, the headset and the video glasses are all connected with the second processor and worn on the head of the field maintenance personnel, and an illuminating lamp is installed on the helmet camera;
the second power module is connected with the second processor, the second power module is provided with a power interface, the power interface is connected with the power interface of the first power module, the second power module comprises a lithium battery pack, and the lithium battery pack is used for supplying power to the illuminating lamp.
Optionally, the portable information-gathering device includes a third processor, a third radio frequency module, a cradle camera, a microphone, and a third power module, wherein,
the third processor is provided with an optical fiber interface which is connected with the optical fiber interface of the channel control module;
the third radio frequency module is connected with the third processor and used for receiving the wireless signal of the first radio frequency module;
the bracket camera and the microphone are respectively connected with the third processor, and the bracket camera and the microphone are installed on a bracket or are held by a field maintainer;
the third power supply module is connected with the third processor, and is provided with a power supply interface which is connected with the power supply interface of the first power supply module.
Optionally, the third power module further comprises an automatic power switching module and a lithium battery pack, the automatic power switching module can switch between an external power supply mode and an internal power supply mode of the portable information acquisition device,
in an external power supply mode, a power interface of the third power supply module is connected with a power interface of the first power supply module;
in the internal power supply mode, the third power supply module supplies power through a lithium battery pack.
Optionally, the third processor is further provided with an upper MFD interface.
The invention has at least the following beneficial technical effects:
the remote maintenance field information acquisition system for the airplane can interact audio and video and data information in real time, provides real-time interaction for personnel performing maintenance and inspection in cooperation with different positions on the airplane, and solves the problems of incomplete field information acquisition and poor accuracy in the past.
Drawings
FIG. 1 is a schematic view of an aircraft remote service field information collection system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a field communication device of an aircraft remote maintenance field information collection system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a wearable information collection device of an aircraft remote maintenance field information collection system according to an embodiment of the present application;
fig. 4 is a schematic diagram of a portable information collection device of an aircraft remote maintenance field information collection system according to an embodiment of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1 to 4.
The application provides an aircraft remote maintenance on-site information acquisition system includes: wearable information acquisition equipment, portable information acquisition equipment and field communication equipment.
Specifically, the wearable information acquisition equipment is worn on the body of a field maintainer and used for realizing information interaction with the field maintainer; the portable information acquisition equipment is used for realizing field information acquisition; the field communication equipment is respectively connected with the wearable information acquisition equipment and the portable information acquisition equipment, and the field communication equipment is used for realizing data interaction between the wearable information acquisition equipment and the portable information acquisition equipment and the remote technical support platform respectively. All devices in the system adopt a uniform communication interface, complete field fault related information through information acquisition and incorporate into a local area network, and centralize the field fault related information into a remote server in different forms.
In one embodiment of the application, the field communication device performs data interaction with the wearable information acquisition device and the portable information acquisition device in a wireless mode and an optical fiber mode, and then the field communication device controls the field communication device to perform video and data interaction with the remote technical support platform.
In an embodiment of the present application, as shown in fig. 2, a field communication device includes a first processor, a first radio frequency module, a first power module, and a channel control module, where the first processor is provided with an optical fiber interface for accessing an external optical fiber network for a central processing unit; the first radio frequency module is connected with the first processor and used for receiving and transmitting wireless signals, and the first processor is also provided with a wireless switch and a wireless indicator light; the first power supply module is used for supplying power to the field communication equipment, the first power supply module is connected with the first processor, the first power supply module further comprises a charger, and the charger is provided with a plurality of paths of power interfaces and is used for supplying power to the wearable information acquisition equipment and the portable information acquisition equipment; the channel control module is respectively connected with the first processor and the first power supply module, and is provided with a plurality of paths of optical fiber interfaces.
In one embodiment of the present application, the field communication device may provide an access point for a video conference for the wearable information collection device and the portable information collection device; the IPv4/IPv6 network access is supported; a Linux operating system is adopted, the kernel version is more than 3.12, and the operation resources are saved; wireless transmission and control functions are provided; the device is provided with a plurality of optical fiber interfaces and a power supply interface; and other computers are supported to access the equipment through browsers, the connected audio and video equipment is checked, and a communication object is selected.
The field communication equipment of the embodiment supports other computers to access equipment in the system through the browser, check the connected audio and video equipment and select a communication object, thereby ensuring the flexibility of the system and facilitating the control of a user in a network or at a remote end on the field equipment as required. Adopt wireless communication mode, or adopt optical fiber communication can save cable weight greatly, make things convenient for maintenance personal in the electromagnetic environment permission or under the abominable condition, no matter select activity degree of freedom and comfort level when using the wireless or wired mode of operation of wearable information acquisition equipment.
In an embodiment of the present application, as shown in fig. 3, a plurality of wearable information collecting devices may be provided, each wearable information collecting device includes a second processor, a second radio frequency module, a helmet-mounted camera, a headset, video glasses, and a second power module, where the second processor is an audio/video processor and is provided with an optical fiber interface connected to the optical fiber transceiver, and the optical fiber interface is used for connecting to an optical fiber interface of the channel control module; the second radio frequency module is connected with the second processor and used for receiving the wireless signal of the first radio frequency module; the helmet camera, the headset and the video glasses are all connected with the second processor and worn on the head of a field maintainer, and the helmet camera is provided with an illuminating lamp; the second power module is connected with the second processor, the second power module is provided with a power interface, the power interface is connected with the power interface of the first power module, the second power module further comprises a lithium battery pack, and the lithium battery pack is used for supplying power to an illuminating lamp on the helmet camera.
In this embodiment, wearable information acquisition equipment can also include the work undershirt, and the travelling comfort is fully considered to the work undershirt, designs the pocket in work undershirt front portion, and wireless signal transceiver and lithium cell group can place in the pocket of work undershirt, or directly carry in the front (the region that human body is optimum in the maintenance) with the braces, guarantees that maintenance personal can not produce any hindrance to the operation action at the during operation.
In this embodiment, the video glasses comprise eyepiece and module two parts, for guaranteeing maintenance work convenience, adopt the monocular to show.
In this embodiment, because the ambient noise is large, the headphone has a certain noise reduction capability. The average sound insulation quantity of the earmuffs is more than or equal to 35dB (300-8000 Hz), and the active noise reduction is more than or equal to 35dB (200-8000 Hz).
As shown in fig. 4, the portable information acquisition device of the present application includes a third processor, a third radio frequency module, a support camera, a microphone, and a third power module, where the third processor is an audio/video processor and is provided with an optical fiber interface through an optical fiber transceiver, and the optical fiber interface is connected to an optical fiber interface of a channel control module; the third radio frequency module is connected with the third processor and used for receiving the wireless signal of the first radio frequency module; the bracket camera and the microphone are respectively connected with the third processor, and are mounted on the bracket or are held by field maintenance personnel, so that the use is convenient; the third power supply module is connected with the third processor, and is provided with a power supply interface which is used for being connected with the power supply interface of the first power supply module. In this embodiment, the third power module further includes an automatic power switching module and a lithium battery pack, where the automatic power switching module can switch between an external power supply mode and an internal power supply mode of the portable information acquisition device, and in the external power supply mode, a power interface of the third power module is connected to a power interface of the first power module; in the internal power supply mode, the third power module supplies power through the lithium battery pack, and the lithium battery pack is further provided with a charging control module for controlling the lithium battery pack to realize charging. Advantageously, in this embodiment, the third processor is further provided with an upper MFD interface.
The portable information acquisition equipment of the application has the following main performance indexes: the channel control module is provided with an optical fiber interface and a power interface and is used for connecting the field communication equipment; video coding and decoding protocol: h.264; audio codec protocol: G.711A/G.722/G.723; the microphone sound pressure level is greater than 130 dB; optical zooming is more than 5 times, automatic focusing is realized, the picture quality is not less than 720p @60fps, and backlight compensation is realized.
It will be appreciated that many variations of the aircraft remote service field information collection system of the present application are possible, for example: the change of the number of the wearable information acquisition devices, or the substitution access of other handheld devices and portable devices with audio and video processing and data interaction and the like can be regarded as the system change of a distributed wireless/wired network taking field communication equipment as a core; indexes, volumes and positions of cameras in video glasses and helmet cameras in the wearable information acquisition equipment can be adaptively changed.
The remote maintenance field information acquisition system of the airplane takes the field communication equipment as a core, a unified interface is established, a plurality of wearable information acquisition devices, the portable information acquisition devices and the display terminal are simultaneously on line, interconnection and intercommunication are achieved inside, and the field system is flexibly combined and applied. Wherein the wearable information acquisition equipment can directly complete the functions of shooting, displaying, listening, speaking, inquiring and the like of a front-line field maintainer, and the portable information acquisition equipment can complete the functions of field shooting and radio reception. The method and the device provide basic conditions for airplane field troubleshooting information acquisition, real-time interaction of maintenance personnel, field data resource calling and the like, and solve the problems of incomplete field information acquisition and poor accuracy in the past.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. An aircraft remote maintenance field information acquisition system, comprising:
the wearable information acquisition equipment is worn on the body of a field maintenance worker and is used for realizing information interaction with the field maintenance worker;
the portable information acquisition equipment is used for realizing field information acquisition;
the field communication equipment is respectively connected with the wearable information acquisition equipment and the portable information acquisition equipment, and is used for realizing data interaction between the wearable information acquisition equipment and the portable information acquisition equipment and a remote technical support platform;
the field communication device comprises a first processor, a first radio frequency module, a first power supply module and a channel control module, wherein,
the first processor is provided with an optical fiber interface for accessing an external optical fiber network;
the first radio frequency module is connected with the first processor and used for receiving and transmitting wireless signals;
the first power supply module is connected with the first processor, the first power supply module comprises a charger, the charger is provided with a plurality of power supply interfaces, and the charger is used for supplying power to the wearable information acquisition equipment and the portable information acquisition equipment;
the channel control module is respectively connected with the first processor and the first power supply module, and is provided with a plurality of paths of optical fiber interfaces;
the wearable information acquisition equipment comprises a plurality of wearable information acquisition equipment, wherein the wearable information acquisition equipment comprises a second processor, a second radio frequency module, a helmet camera, a headset, video glasses and a second power supply module,
the second processor is provided with an optical fiber interface which is connected with the optical fiber interface of the channel control module;
the second radio frequency module is connected with the second processor and used for receiving the wireless signal of the first radio frequency module;
the helmet camera, the headset and the video glasses are all connected with the second processor and worn on the head of the field maintenance personnel, and an illuminating lamp is installed on the helmet camera;
the second power supply module is connected with the second processor, is provided with a power supply interface, is connected with the power supply interface of the first power supply module, and comprises a lithium battery pack used for supplying power to the illuminating lamp;
the portable information acquisition device comprises a third processor, a third radio frequency module, a stand camera, a microphone and a third power module, wherein,
the third processor is provided with an optical fiber interface which is connected with the optical fiber interface of the channel control module;
the third radio frequency module is connected with the third processor and used for receiving the wireless signal of the first radio frequency module;
the bracket camera and the microphone are respectively connected with the third processor, and the bracket camera and the microphone are installed on a bracket or are held by a field maintainer;
the third power supply module is connected with the third processor, and is provided with a power supply interface which is connected with the power supply interface of the first power supply module.
2. The aircraft remote maintenance field information collection system of claim 1, wherein the field communication device is connected to the wearable information collection device and the portable information collection device via wireless and optical fiber connections, respectively.
3. The aircraft remote service field information collection system of claim 2, wherein the first processor is further provided with a wireless switch and a wireless indicator light.
4. The aircraft remote service field information acquisition system according to claim 3, wherein the third power module further comprises an automatic power switching module and a lithium battery pack, the automatic power switching module realizes switching between an external power supply mode and an internal power supply mode of the portable information acquisition device,
in an external power supply mode, a power interface of the third power supply module is connected with a power interface of the first power supply module;
in the internal power supply mode, the third power supply module supplies power through a lithium battery pack.
5. The aircraft remote service field information collection system of claim 4, wherein said third processor is further configured with an upper MFD interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911035262.0A CN110751819B (en) | 2019-10-29 | 2019-10-29 | Remote maintenance site information acquisition system for airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911035262.0A CN110751819B (en) | 2019-10-29 | 2019-10-29 | Remote maintenance site information acquisition system for airplane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110751819A CN110751819A (en) | 2020-02-04 |
| CN110751819B true CN110751819B (en) | 2021-05-28 |
Family
ID=69280642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911035262.0A Active CN110751819B (en) | 2019-10-29 | 2019-10-29 | Remote maintenance site information acquisition system for airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110751819B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204795408U (en) * | 2015-07-13 | 2015-11-18 | 成都润联科技开发有限公司 | Meteorological equipment on -site maintenance processing apparatus |
| CN106027955A (en) * | 2016-04-27 | 2016-10-12 | 中国科学院上海高等研究院 | Image collection system for assisting airplane inspection and remote fault diagnosis |
| CN207191486U (en) * | 2017-09-13 | 2018-04-06 | 陕西千山航空电子有限责任公司 | A kind of portable polymorphic type signal monitoring equipment |
| CN207319184U (en) * | 2017-10-23 | 2018-05-04 | 北京华锐同创系统技术有限公司 | A kind of field device maintenance maintenance and current check system |
| CN108156033A (en) * | 2017-12-22 | 2018-06-12 | 成都才智圣有科技有限责任公司 | The wearable maintenance support of unmanned plane supports system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824341A (en) * | 2014-03-19 | 2014-05-28 | 江苏沙洲电气有限公司 | Wearable real-time electric power overhaul recorder |
| FR3032545B1 (en) * | 2015-02-06 | 2018-06-01 | Airbus (S.A.S.) | DEVICE, SYSTEM AND METHOD FOR AIDING THE MAINTENANCE OF AN AIRCRAFT |
-
2019
- 2019-10-29 CN CN201911035262.0A patent/CN110751819B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204795408U (en) * | 2015-07-13 | 2015-11-18 | 成都润联科技开发有限公司 | Meteorological equipment on -site maintenance processing apparatus |
| CN106027955A (en) * | 2016-04-27 | 2016-10-12 | 中国科学院上海高等研究院 | Image collection system for assisting airplane inspection and remote fault diagnosis |
| CN207191486U (en) * | 2017-09-13 | 2018-04-06 | 陕西千山航空电子有限责任公司 | A kind of portable polymorphic type signal monitoring equipment |
| CN207319184U (en) * | 2017-10-23 | 2018-05-04 | 北京华锐同创系统技术有限公司 | A kind of field device maintenance maintenance and current check system |
| CN108156033A (en) * | 2017-12-22 | 2018-06-12 | 成都才智圣有科技有限责任公司 | The wearable maintenance support of unmanned plane supports system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110751819A (en) | 2020-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101997563A (en) | Individual soldier helmet type emergency command system based on various 3G (3rd-Generation) wireless networks | |
| CN209134399U (en) | A kind of Multi net voting individual reconnaissance command system based on ad hoc network | |
| CN207589191U (en) | A kind of multimode emergency commading system of multi-line | |
| CN107232677A (en) | Electric operating mobile terminal | |
| CN108156033A (en) | The wearable maintenance support of unmanned plane supports system | |
| CN110751819B (en) | Remote maintenance site information acquisition system for airplane | |
| CN110059989B (en) | Comprehensive emergency command and dispatch system based on multifunctional three-proofing mask | |
| CN211047060U (en) | Movable wearable remote guidance system based on 5G network | |
| CN207083081U (en) | A kind of wearable mobile intelligent terminal equipment | |
| CN204681498U (en) | Video routing inspection system | |
| CN201215961Y (en) | On-site digital command disposal system for burst public affair | |
| CN110401889A (en) | Multiple path blue-tooth microphone system and application method based on USB control | |
| CN201878133U (en) | Individual helmet type emergency command system based on various 3G (third generation) wireless networks | |
| JP2003308117A (en) | System for maintenance | |
| CN211403431U (en) | Device for realizing simultaneous translation by extensible connection based on network | |
| CN209995443U (en) | safety helmet based on augmented reality technology | |
| CN209014845U (en) | A kind of intelligent glasses | |
| CN205490546U (en) | But wireless power supply's repeater equipment | |
| CN202475517U (en) | Mobile phone with night vision | |
| CN206302523U (en) | The radio station reconnaissance system of networking switching can be carried out | |
| CN206020818U (en) | A kind of wear-type wireless display | |
| CN204733298U (en) | Portable display | |
| CN203368672U (en) | New type community emergency call intercom system | |
| CN104168448A (en) | Monitor camera system | |
| CN204681499U (en) | Portable video cruising inspection 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |