CN108091203A - It is a kind of based on virtual reality technology stress traffic scene driving training system - Google Patents
It is a kind of based on virtual reality technology stress traffic scene driving training system Download PDFInfo
- Publication number
- CN108091203A CN108091203A CN201711293653.3A CN201711293653A CN108091203A CN 108091203 A CN108091203 A CN 108091203A CN 201711293653 A CN201711293653 A CN 201711293653A CN 108091203 A CN108091203 A CN 108091203A
- Authority
- CN
- China
- Prior art keywords
- driving
- driver
- stress
- virtual reality
- scene
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/04—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of land vehicles
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
Abstract
The invention discloses it is a kind of based on virtual reality technology stress traffic scene driving training system.The system by can result in the emergency traffic scene of driver's stress reaction during virtual reality technology generation car steering, by Helmet Mounted Display, sound equipment and device for force feedback to stress traffic scene carry out real-playback.Training system carries out driving efficiency evaluation to driver accordingly with obtaining manipulation data during the vision of driver, the sense of hearing and haptic interaction.It establishes miserable traffic accident picture, audio and the impact of strong tactile to the faulty operation of driver to warn it, to reach the target for promoting driving ability.What system proposed by the present invention helped to improve that driver is difficult to obtain in actual driving procedure stress traffic scene driving efficiency, enhance driver to stress traffic scene ability to predict, establish it is good stress traffic scene driving habit, it is horizontal to promote traffic safety, has broad application prospects.
Description
Technical field
The invention belongs to technical field of virtual reality, it is more particularly to a kind of based on virtual reality technology stress traffic scene
Driving training system.
Background technology
With the increasingly complexity of road traffic condition, the training of traditional driving school and examination pattern expose a series of ask
Topic：Cycle of training is long, of high cost；Several students share a vehicle, and training time of single student is short, learning experience is poor；Driving school
Quality is irregular, and quality of instruction is difficult to ensure that；It the considerations of more it is essential that for training cost rather than drives in the future
Real demand, driving school often carries out reinforcement training for examination main points, lack to stress be under road conditions training.Work as
When member takes driving license and really starts upper road, just find not causing the accident and take place frequently in face of various precipitate traffics.Mirror
In the serious disconnection of driving training process and actual traffic environment, it is necessary to be easy to causeing traffic accident in true driving environment
Stress traffic scene, design corresponding driving training environment so that driver can be equal in reality environment
The driving experience of true driving environment, obtain it is valuable stress traffic scene driving experience, ensure follow-up true driving procedure
Security.
The content of the invention
The purpose of the present invention is：
It solves the problems, such as the driving training in the emergency traffic environment that can result in driver's stress reaction, proposes a kind of base
In virtual reality technology stress traffic scene driving training system.
The present invention technical solution be：
It is a kind of based on virtual reality technology stress traffic scene driving training system, by drive simulating manipulation device, height
Performance graph work station, more sense organ interactive terminals composition；The high performance graphics work station operation has virtual reality engine and drives
Sail scoring subsystem；
Driver is interacted by drive simulating manipulation device and high performance graphics work station, and interactive signal passes through USB
Port transmission is handled to high performance graphics work station；High performance graphics work station is according to interactive signal is driven, using virtual
Reality-Engine generates different kinds of roads traffic stress scene；These stress scenes are transferred to more sense organs by HDMI and USB port and hand over
It is presented in mutual terminal；Scoring subsystem is driven according to the interaction correctness of driver and system and reaction sensitivity to driving
Process scores, and driving scoring is output to high performance graphics work station and scoring picture output is carried out to user.
The driving control device is by the interactive devices group such as vehicle steering, shift handle, brake pedal and gas pedal
Into；Interactive signal passes to high performance graphics work station by usb signal caused by these interactive devices.
The virtual reality engine of the high performance graphics work station operation passes through USB port based on ripe unity software
It receives and interactive signal is driven caused by the automobile driving simulator, current virtual of Engine draws is driven according to interactive signal
Reality scene；Entire virtual reality what comes into a driver's is by the dimensional topography of Mesh model formation bases, and building in streetscape etc. is artificial
Scene then is arranged into landform to establish by three-dimensional model building；What comes into a driver's picture, the sound equipment that virtual reality engine is generated
Special efficacy and vibration signal are output in more sense organ interactive terminals with USB interface by HDMI and are presented.
More sense organ terminals include virtual implementing helmet display, audio device and device for force feedback etc.；It is described virtual
Real Helmet Mounted Display in what comes into a driver's picture, by the corresponding parallax signals of left and right two-path video signal generation, is presented on the helmet
On display or so screen, the display effect of 3 D stereo is obtained；The automobile of normal driving process is presented in the audio device
Audio, acceleration-deceleration audio during stress scene causes automobile collision accident, generate and shake miserable collision audio；Institute
State device for force feedback causes automobile collision procedure to excite in stress scene, is exported by different shockproofnesses, and simulation is different
The collision special efficacy of degree.
It is described drive scoring subsystem by analyze driver automobile manipulate data to its driver behavior carry out judge beat
Point；Stress be in traffic scene, it is necessary to judge the driving correctness and control sensitivity of driver simultaneously.Specific evaluation method
For：If its
Driver behavior selects correctness as C ∈ { 1,0 }, and driving sensitivity is T ∈ [0,1], then final driving scoring
For：
K=100*C*T
It can be seen from above-mentioned formula only score non-zero is driven when driver behavior correct (C=1).Specifically
Score value is then reflected by riding manipulation sensitivity.Above-mentioned driving score is fed back into graphics workstation, after driving training,
Driver is presented in the form of score scene.
Present invention has the advantage that：
Using virtual reality technology design stress traffic scene, can overcome during traditional driving training only for just
Chang Lukuang trains the limitation of driving efficiency.Design be easy to cause the emergency traffic situations of severe traffic accidents, makes the trainer be
Driving experience, the driving experience on the spot in person that height is immersed can be safely experienced in system.It is not only able to that driver is allowed to obtain
Driving efficiency under valuable abnormal road traffic condition, additionally it is possible to be warned using the miserable scene of a traffic accident to driver
Teaching is educated.It is a kind of based on virtual reality technology stress traffic scene driving training system help to improve driver and actually driving
Be difficult to during sailing to obtain stress traffic scene driving efficiency, enhancing driver to stress traffic scene ability to predict, build
It is vertical it is good stress traffic scene driving habit, it is horizontal to promote traffic safety, has in scientific research and commercial field important
Application prospect.
Description of the drawings
Fig. 1 is the system principle diagram of the present invention；
Fig. 2 is that the system training course of work is illustrated in urban highway traffic environment.
Specific embodiment
Referring to attached drawing 1, in the present invention, be primarily upon be easy to causeing in driving environment traffic accident stress traffic scene,
Being specifically designed road stress scene surrounded by mountains, country road stress scene, urban road stress scene, highway stress field
A variety of emergency road traffic scenes such as scape, anomalous weather stress scene.Based on above-mentioned actual conditions, propose a kind of based on virtual existing
Real technology stress traffic scene driving training system, by drive simulating manipulation device, high performance graphics work station, more sense organs hand over
Mutual terminal composition；The high performance graphics work station operation has virtual reality engine and drives scoring subsystem；
Driver is interacted by drive simulating manipulation device and high performance graphics work station, and interactive signal passes through USB
Port transmission is handled to high performance graphics work station；High performance graphics work station is according to interactive signal is driven, using virtual
Reality-Engine generates different kinds of roads traffic stress scene；These stress scenes are transferred to more sense organs by HDMI and USB port and hand over
It is presented in mutual terminal；Scoring subsystem is driven according to the interaction correctness of driver and system and reaction sensitivity to driving
Process scores, and driving scoring is output to high performance graphics work station and scoring picture output is carried out to user.
In road stress scene surrounded by mountains, during devising zig zag, travel is occupied critical by opponent vehicle
Scene, massif falling rocks and landslide scene.In country road stress scene, the agricultural of jaywalking reverse driving is devised
Motor tricycle, the large-scale animals jaywalked suddenly.In urban road stress scene, the row jaywalked suddenly is devised
People, the electric car to make a dash across the red light.In highway stress scene, devise construction road and narrow suddenly road conditions, before vehicle tension
Vehicle, which is brought to a halt, waits scenes.In anomalous weather stress scene, under design sleet, haze, strong light and low light environment, visual range
It shortens, the stress scene of vehicle performance limited ability.In short, in the present invention it is designed stress scene, be all common easy
Cause the road traffic scene of traffic accident.
Referring to attached drawing 2, by taking the training process of the system urban highway traffic environment as an example, specific implementation step is as follows：
The first step sets the streetscape environment needed for system training in virtual reality driving training environment, is specified in streetscape
Position centers corresponding training critical point, and automobile is set to set driver in virtual vapour to the training road start position specified
The steering position of vehicle checks traffic above-ground environment with the first visual angle.Driver controls automobile according to system interface guide,
Roam preassigned drive route.
Second step, when automobile is reached in reality environment in position a certain range specified by critical point one, triggering is closed
The training program that mouth one is set.At this point, there is pedestrian and non motorized vehicle to create red light, if driver's not slow down, can hit
To pedestrian and non motorized vehicle.The special efficacy of display collision special efficacy, sound equipment special efficacy and the injured spray blood of pedestrian is set according to critical point.
3rd step, when automobile is reached in reality environment in position a certain range specified by critical point two, triggering is closed
The training programs that mouth two is set.At this point, there is heavy truck to head on reverse driving, if driver avoids not in time, can bump against
Heavy truck.The special lower and smog special efficacy of display collision special efficacy, flame is set according to critical point.
4th step, when automobile is reached in reality environment in position a certain range specified by critical point three, triggering is closed
The training programs that mouth three is set.At this point, sky snowfall, road surface slippery situation, can if driver's not slow down or random deflecting
Cause automobile is out of control to hit Adjacent Buildings.According to critical point display collision special efficacy is set to slide laterally special efficacy out of control with automobile.
5th step, after driver completes driving training according to pre-determined route, according to operation of the driver at each critical point
Correctness scores to the operative skill of driver with the reaction time, exports corresponding scoring picture, completes training.
Claims (6)
1. it is a kind of based on virtual reality technology stress traffic scene driving training system, it is characterised in that：The system is by simulating
Driving control device, high performance graphics work station, more sense organ interactive terminals composition；The high performance graphics work station operation has void
Intend Reality-Engine and drive scoring subsystem；
Driver is interacted by drive simulating manipulation device and high performance graphics work station, and interactive signal passes through USB port
High performance graphics work station is transferred to be handled；High performance graphics work station utilizes virtual reality according to interactive signal is driven
Engine generates different kinds of roads traffic stress scene；These stress scenes are transferred to more sense organs with USB port by HDMI and interact eventually
It is presented in end；Scoring subsystem is driven according to the interaction correctness of driver and system and reaction sensitivity to driving procedure
It scores, driving scoring is output to high performance graphics work station and scoring picture output is carried out to user.
2. it is according to claim 1 it is a kind of based on virtual reality technology stress traffic scene driving training system, it is special
Sign is：The driving control device is by the interactive devices group such as vehicle steering, shift handle, brake pedal and gas pedal
Into；Interactive signal passes to high performance graphics work station by usb signal caused by these interactive devices.
3. it is according to claim 1 it is a kind of based on virtual reality technology stress traffic scene driving training system, it is special
Sign is：The virtual reality engine of the high performance graphics work station operation passes through USB port based on ripe unity software
It receives and interactive signal is driven caused by the automobile driving simulator, current virtual of Engine draws is driven according to interactive signal
Reality scene；Entire virtual reality what comes into a driver's is by the dimensional topography of Mesh model formation bases, and building in streetscape etc. is artificial
Scene then is arranged into landform to establish by three-dimensional model building；What comes into a driver's picture, the sound equipment that virtual reality engine is generated
Special efficacy and vibration signal are output in more sense organ interactive terminals with USB interface by HDMI and are presented.
4. it is according to claim 1 it is a kind of based on virtual reality technology stress traffic scene driving training system, it is special
Sign is：More sense organ interactive terminals include virtual implementing helmet display, audio device and device for force feedback；Wherein, it is empty
Intend real Helmet Mounted Display, in what comes into a driver's picture, by the corresponding parallax signals of left and right two-path video signal generation, be presented on head
On helmet display or so screen, the display effect of 3 D stereo is obtained；The automobile sound of normal driving process is presented in audio device
Effect, acceleration-deceleration audio during stress scene causes automobile collision accident, generate and shake miserable collision audio；Power is anti-
Feedback device causes automobile collision procedure to excite in stress scene, is exported, simulated different degrees of by different shockproofnesses
Collide special efficacy.
5. it is according to claim 1 it is a kind of based on virtual reality technology stress traffic scene driving training system, it is special
Sign is：It is described drive scoring subsystem by analyze driver automobile manipulate data to its driver behavior carry out judge beat
Point；Stress be in traffic scene, it is necessary to judge the driving correctness and control sensitivity of driver simultaneously.
6. it is according to claim 5 it is a kind of based on virtual reality technology stress traffic scene driving training system, it is special
Sign is：Specifically evaluation method is：If its driver behavior selects correctness as C ∈ { 1,0 }, driving sensitivity for T ∈ [0,
1], then final driving scoring is：
K=100*C*T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711293653.3A CN108091203A (en) | 2017-12-07 | 2017-12-07 | It is a kind of based on virtual reality technology stress traffic scene driving training system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711293653.3A CN108091203A (en) | 2017-12-07 | 2017-12-07 | It is a kind of based on virtual reality technology stress traffic scene driving training system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108091203A true CN108091203A (en) | 2018-05-29 |
Family
ID=62174141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711293653.3A Pending CN108091203A (en) | 2017-12-07 | 2017-12-07 | It is a kind of based on virtual reality technology stress traffic scene driving training system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108091203A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877374A (en) * | 2018-07-24 | 2018-11-23 | 长安大学 | Vehicle platoon analogue system and method based on virtual reality and driving simulator |
| CN108922307A (en) * | 2018-07-26 | 2018-11-30 | 杭州拓叭吧科技有限公司 | Drive simulating training method, device and driving simulation system |
| CN109542226A (en) * | 2018-11-22 | 2019-03-29 | 国网上海市电力公司 | 10kV high-voltage metering cubicle final acceptance of construction simulation system and analogy method based on virtual reality technology |
| CN109887372A (en) * | 2019-04-16 | 2019-06-14 | 北京中公高远汽车试验有限公司 | Driving training analogy method, electronic equipment and storage medium |
| CN110222639A (en) * | 2019-06-05 | 2019-09-10 | 清华大学 | Human body stress reaction test method and system |
| CN110427682A (en) * | 2019-07-26 | 2019-11-08 | 清华大学 | A kind of traffic scene simulation experiment platform and method based on virtual reality |
| CN111435573A (en) * | 2019-01-15 | 2020-07-21 | 哈尔滨唯尔时空科技有限公司 | Automobile driving skill simulator based on VR display |
| CN111506980A (en) * | 2019-01-30 | 2020-08-07 | 斯特拉德视觉公司 | Method and device for generating traffic scene for virtual driving environment |
| CN112071155A (en) * | 2020-08-17 | 2020-12-11 | 南昌泰豪虚拟现实科技有限公司 | VR automobile driving analog machine for traffic education |
| CN112349172A (en) * | 2020-10-20 | 2021-02-09 | 易显智能科技有限责任公司 | Method and related device for training safety stress response capability of driver |
| CN114627717A (en) * | 2022-03-28 | 2022-06-14 | 同济大学建筑设计研究院(集团)有限公司 | Virtual reality and big data analysis-based novice driver training system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184659A (en) * | 2011-06-09 | 2011-09-14 | 公安部交通管理科学研究所 | Automobile traffic safety simulation driving education training system |
| CN102542869A (en) * | 2010-12-21 | 2012-07-04 | 北京宣爱智能模拟技术有限公司 | Automobile driving skill testing and evaluation system |
| CN104464438A (en) * | 2013-09-15 | 2015-03-25 | 南京大五教育科技有限公司 | Virtual reality technology-based automobile driving simulation training system |
| CN106023714A (en) * | 2016-04-26 | 2016-10-12 | 上海悉德信息科技有限公司 | Analogue driving examination system |
| CN106251735A (en) * | 2016-10-13 | 2016-12-21 | 西南大学 | A kind of virtual driving system |
| CN106652643A (en) * | 2016-10-12 | 2017-05-10 | 大连文森特软件科技有限公司 | Driving training simulation system based on virtual reality technology |
| CN106960612A (en) * | 2017-05-24 | 2017-07-18 | 电子科技大学 | One kind sees car and test ride simulation system and method based on VR |
-
2017
- 2017-12-07 CN CN201711293653.3A patent/CN108091203A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542869A (en) * | 2010-12-21 | 2012-07-04 | 北京宣爱智能模拟技术有限公司 | Automobile driving skill testing and evaluation system |
| CN102184659A (en) * | 2011-06-09 | 2011-09-14 | 公安部交通管理科学研究所 | Automobile traffic safety simulation driving education training system |
| CN104464438A (en) * | 2013-09-15 | 2015-03-25 | 南京大五教育科技有限公司 | Virtual reality technology-based automobile driving simulation training system |
| CN106023714A (en) * | 2016-04-26 | 2016-10-12 | 上海悉德信息科技有限公司 | Analogue driving examination system |
| CN106652643A (en) * | 2016-10-12 | 2017-05-10 | 大连文森特软件科技有限公司 | Driving training simulation system based on virtual reality technology |
| CN106251735A (en) * | 2016-10-13 | 2016-12-21 | 西南大学 | A kind of virtual driving system |
| CN106960612A (en) * | 2017-05-24 | 2017-07-18 | 电子科技大学 | One kind sees car and test ride simulation system and method based on VR |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877374A (en) * | 2018-07-24 | 2018-11-23 | 长安大学 | Vehicle platoon analogue system and method based on virtual reality and driving simulator |
| CN108922307A (en) * | 2018-07-26 | 2018-11-30 | 杭州拓叭吧科技有限公司 | Drive simulating training method, device and driving simulation system |
| CN109542226A (en) * | 2018-11-22 | 2019-03-29 | 国网上海市电力公司 | 10kV high-voltage metering cubicle final acceptance of construction simulation system and analogy method based on virtual reality technology |
| CN111435573A (en) * | 2019-01-15 | 2020-07-21 | 哈尔滨唯尔时空科技有限公司 | Automobile driving skill simulator based on VR display |
| CN111506980B (en) * | 2019-01-30 | 2023-09-08 | 斯特拉德视觉公司 | Method and device for generating traffic scene for virtual driving environment |
| CN111506980A (en) * | 2019-01-30 | 2020-08-07 | 斯特拉德视觉公司 | Method and device for generating traffic scene for virtual driving environment |
| CN109887372A (en) * | 2019-04-16 | 2019-06-14 | 北京中公高远汽车试验有限公司 | Driving training analogy method, electronic equipment and storage medium |
| WO2020244060A1 (en) * | 2019-06-05 | 2020-12-10 | 清华大学 | Human body stress response test method, system, and computer readable storage medium |
| CN110222639A (en) * | 2019-06-05 | 2019-09-10 | 清华大学 | Human body stress reaction test method and system |
| US11751785B2 (en) | 2019-06-05 | 2023-09-12 | Tsinghua University | Testing method and testing system for human stress reaction, and computer-readable storage medium |
| CN110427682A (en) * | 2019-07-26 | 2019-11-08 | 清华大学 | A kind of traffic scene simulation experiment platform and method based on virtual reality |
| CN112071155A (en) * | 2020-08-17 | 2020-12-11 | 南昌泰豪虚拟现实科技有限公司 | VR automobile driving analog machine for traffic education |
| CN112349172A (en) * | 2020-10-20 | 2021-02-09 | 易显智能科技有限责任公司 | Method and related device for training safety stress response capability of driver |
| CN114627717A (en) * | 2022-03-28 | 2022-06-14 | 同济大学建筑设计研究院(集团)有限公司 | Virtual reality and big data analysis-based novice driver training system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108091203A (en) | It is a kind of based on virtual reality technology stress traffic scene driving training system | |
| CN105788401B (en) | Defensive drive simulation based on real vehicle body experiences training system | |
| CN104851330B (en) | A kind of parking simulated training method and system | |
| CN109658768B (en) | Virtual reality's many people are with scene mixed traffic flow simulation experiment platform | |
| CN203366572U (en) | Vehicle driving simulator | |
| CN110427682A (en) | A kind of traffic scene simulation experiment platform and method based on virtual reality | |
| CN105654808A (en) | Intelligent training system for vehicle driver based on actual vehicle | |
| CN107945604A (en) | A kind of traffic safety immersion experiencing system based on virtual reality technology | |
| CN112819968B (en) | Test method and device for automatic driving vehicle based on mixed reality | |
| Galko et al. | Vehicle-Hardware-In-The-Loop system for ADAS prototyping and validation | |
| US10713970B2 (en) | Driver education system and method for training in simulated road emergencies | |
| CN106327946A (en) | Virtual reality integrated machine for driving training | |
| CN112015164A (en) | Intelligent networking automobile complex test scene implementation system based on digital twin | |
| CN107871418A (en) | It is a kind of to be used to evaluate the man-machine experiment porch for driving reliability altogether | |
| CN104517493A (en) | High-speed rail driving simulation system | |
| CN101739856A (en) | Interactive automobile driving teaching system and method | |
| CN108922307A (en) | Drive simulating training method, device and driving simulation system | |
| CN111915956B (en) | Virtual reality car driving teaching system based on 5G | |
| CN206619301U (en) | Strengthen the safe driving simulated training educational system of special efficacy with environment | |
| CN111798718A (en) | Driving adaptability training method, host and device based on virtual reality | |
| CN108648555A (en) | A kind of intelligent travelling crane training device, system and method | |
| CN110930811B (en) | System suitable for unmanned decision learning and training | |
| CN108447306B (en) | Simulation method for real-time position sharing collision avoidance early warning among collision vehicles at uncontrolled intersection | |
| CN204332141U (en) | A kind of high ferro driving analog system | |
| CN115410424A (en) | Intelligent learning system for motor vehicle driving training and using method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180529 |
|
| RJ01 | Rejection of invention patent application after publication |