CN208737703U - A kind of paratrooper's parachuting training simulator - Google Patents

A kind of paratrooper's parachuting training simulator Download PDF

Info

Publication number
CN208737703U
CN208737703U CN201820087413.1U CN201820087413U CN208737703U CN 208737703 U CN208737703 U CN 208737703U CN 201820087413 U CN201820087413 U CN 201820087413U CN 208737703 U CN208737703 U CN 208737703U
Authority
CN
China
Prior art keywords
paratrooper
platform
frame
training simulator
software systems
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.)
Withdrawn - After Issue
Application number
CN201820087413.1U
Other languages
Chinese (zh)
Inventor
李占伟
袁远
侯毅飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerospace Engineering Systems Simulation Technology (beijing) Co Ltd
Original Assignee
Aerospace Engineering Systems Simulation Technology (beijing) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aerospace Engineering Systems Simulation Technology (beijing) Co Ltd filed Critical Aerospace Engineering Systems Simulation Technology (beijing) Co Ltd
Priority to CN201820087413.1U priority Critical patent/CN208737703U/en
Application granted granted Critical
Publication of CN208737703U publication Critical patent/CN208737703U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Instructional Devices (AREA)

Abstract

The utility model relates to a kind of paratrooper's parachuting training simulators, including braced frame, step ladder, take-off platform, steerable system, straight-line motion mechanism, harness system, liftable landing platform, virtual reality device, blower fan apparatus and software systems;By pressure sensor, software systems are triggered, aircraft is left in perfection simulation;By steerable system, software systems, perfection simulation free-falling, parachute-opening are triggered, and the sense of touch for being really is generated by straight-line motion mechanism and blower fan apparatus;It is simulated by liftable landing platform and passes by journey, complete whole simulations of parachute jumping process;It is more preferable compared to partial simulation training effect by being simulated to entire during parachute jumping.

Description

A kind of paratrooper's parachuting training simulator
Technical field
The utility model relates to paratrooper's simulated training field, especially a kind of paratrooper's parachuting training simulator.
Background technique
Parachute jumping is the higher activity of risk, special circumstances such as occurs, or do not follow correct procedure, injury to personnel of parachuting Or death by accident happens occasionally.When organizing actual load parachuting training, logistics support is difficult, the consuming time is more, cost input is big, also wants It is limited by place and meteorological condition.
To improve training effectiveness, dangerous and accident is reduced, domestic and international paratrooper's training is all reinforcing ground training.The jump in China Umbrella ground training is mainly diving tower, the training of umbrella tower, and there are also the training of diving tower slideway, training tool is compared also with external advanced country Certain gap.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing Technology.
Summary of the invention
To improve training effectiveness, dangerous and accident is reduced, the utility model discloses a kind of paratrooper's parachuting training simulator, According to the real process that paraoperation is parachuted, using advanced mechanical & electrical technology, virtual reality technology and human-computer interaction technology, building Aerial parachute jumping simulated training environment true to nature, for trainee from leave aircraft, free-falling, parachute-opening, into landing overall process Technical ability is indulged in aerial statue control, umbrella rop exercise, the special training subjects such as feelings and troubleshooting provide the stronger training tool of feeling of immersion and The group instruction mode of science meets and improves parachuting training benefit, reduces the training goal of security risk.
The utility model solve its technical problem the technical solution adopted is as follows:
The simulator include braced frame, step ladder, take-off platform, steerable system, straight-line motion mechanism, harness system, Liftable landing platform, virtual reality device, blower fan apparatus and software systems;
The step ladder sets the connection braced frame, climbs up the take-off platform for trainee;
In the take-off platform setting and the braced frame, for simulating aircraft bailout door, and on the take-off platform Equipped with pressure sensor, the pressure sensor connects the virtual reality device, for triggering software systems;
The steerable system is used to generate the signal to parachute simulation manipulation, comprising two sets of umbrella ropes and rope sensor, On rope sensor is fixedly mounted at the top of braced frame, umbrella rope one end is connect with rope sensor drawstring, and one end is by parachutist Manipulation, rope sensor connects the virtual reality device, and the signal of generation is transmitted software systems, controls and lands in scene The motion profile of umbrella;
The straight-line motion mechanism according to the control of the software systems for being moved forward and backward;
The harness system connects the straight-line motion mechanism, including suspender belt and spring-damper, and spring-damper is in jump Pulling force after the buffering of freely falling body and simulation umbrella open after out;
The virtual reality device includes graphics workstation and VR glasses, and the graphics workstation is for running the software System, and send vision signal to the VR glasses;
The blower fan apparatus can export control according to decrease speed for simulating external wind environment during hit the silk The size of fan delivery processed, the blower fan apparatus connect the graphics workstation;
The lifting platform is connected for simulating trainee's landing experience with the graphics workstation.
The utility model solves the further technical solution of its technical problem: the lifting platform includes landing plane And elevating mechanism, the landing plane connect the elevating mechanism, the elevating mechanism is set on ground.
The utility model solves the further technical solution of its technical problem: the elevating mechanism is fork type elevator Structure is electronic or hydraulic-driven.
The utility model solves the further technical solution of its technical problem: the braced frame is made of square tube connection Square structure, including bottom frame, central frame, top surface frame and column composition, column and frame use plug in construction Then it is bolted.
The utility model solves the further technical solution of its technical problem: the straight-line motion mechanism includes movement Frame, idler wheel, guide rail, electric putter, the guide rail are set on the top surface frame, and the idler wheel is set on the movable stand, The movable stand is set on the guide rail, and described electric putter one end connects the top surface frame, and the other end connects the movement Frame.
The utility model solves the further technical solution of its technical problem: the take-off platform includes pedal and encloses Column, the take-off platform are fixed by bolts on the central frame of braced frame.
The utility model solves the further technical solution of its technical problem: the simulator further includes display equipment, institute It states display equipment and connects the graphics workstation, observe trainee for teacher and simulate parachute jumping process.
The utility model solves the further technical solution of its technical problem: the VR glasses are equipped with locator, use The motion information on head is captured in the scene in realizing, and this information is passed into the software systems on graphics workstation, it is raw At the human eye to match with head movement to the observation scene of scene.
The utility model solves the further technical solution of its technical problem: the blower fan apparatus includes two frequency conversion wind Machine, frequency conversion fan described in two are respectively arranged at the corner of the landing plane.
By using above-mentioned technological means, the utility model obtain it is following the utility model has the advantages that
1. triggering software systems by pressure sensor, aircraft is left in perfection simulation;
2. triggering software systems, perfection simulation free-falling, parachute-opening, and pass through straight-line motion mechanism by steerable system The sense of touch for being really is generated with blower fan apparatus;
3. simulating by liftable landing platform and passing by journey, whole simulations of parachute jumping process are completed;
4. more preferable compared to partial simulation training effect by simulation entire during parachute jumping.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic perspective view of paratrooper's parachuting training simulator;
Fig. 2 is the front view of Fig. 1;
Specific appended drawing reference is as follows in figure:
1, braced frame;11, bottom frame;12, central frame;13, top surface frame;14, column;2, step ladder;3, it rises Jump platform;31, pedal;32, fence;4, steerable system;41, umbrella rope;42, rope sensor;5, straight-line motion mechanism;51, it moves Moving frame;52, electric putter;6, harness system;61, suspender belt;62, spring-damper;7, liftable landing platform;71, landing plane; 72, elevating mechanism;8, virtual reality device;81, graphics workstation;9, blower fan apparatus;91, frequency conversion fan;10, equipment is shown.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.
A kind of paratrooper's parachuting training simulator, with reference to shown in attached drawing 1-2, the simulator include braced frame 1, step ladder 2, Take-off platform 3, steerable system 4, straight-line motion mechanism 5, harness system 6, liftable landing platform 7, virtual reality device 8, wind Machine device 9 and software systems;
The step ladder 2 sets the connection braced frame 1, climbs up the take-off platform 3 for trainee;
In the setting of take-off platform 3 and the braced frame 1, for simulating aircraft bailout door, and the take-off platform 3 It is equipped with pressure sensor, the pressure sensor connects the virtual reality device 8, for triggering software systems;
The steerable system 4 is used to generate the signal to parachute simulation manipulation, senses comprising two sets of umbrella ropes 41 and drawstring Device 42, rope sensor 42 are fixedly mounted on 1 top of braced frame, and 41 one end of umbrella rope is connect with 42 drawstring of rope sensor, One end is manipulated by parachutist, and rope sensor 42 connects the virtual reality device 8, and the signal of generation is transmitted software system System controls the motion profile of parachute in scene;Umbrella rope 41 pulls amplitude bigger, and the rotation amplitude of parachute is bigger in what comes into a driver's, Pulling amplitude is smaller, and rotation amplitude is smaller;
The straight-line motion mechanism 5 according to the control of the software systems for being moved forward and backward;
The harness system 6 connects the straight-line motion mechanism 5, including suspender belt 61 and spring-damper 62, spring damping Pulling force of the device after the buffering and simulation umbrella for jumping out rear freely falling body are opened;
The virtual reality device 8 includes graphics workstation 81 and VR glasses, and the graphics workstation 81 is for running institute Software systems are stated, and send vision signal to the VR glasses;
The blower fan apparatus 9 can be exported for simulating external wind environment during hit the silk according to decrease speed The size of fan delivery is controlled, the blower fan apparatus 9 connects the graphics workstation 81;
The lifting platform is connected for simulating trainee's landing experience with the graphics workstation 81.
By pressure sensor, software systems are triggered, aircraft is left in perfection simulation;By steerable system 4, software system is triggered System, perfection simulation free-falling, parachute-opening, and the sense of touch for being really is generated by straight-line motion mechanism 5 and blower fan apparatus 9;By can Lifting landing platform 7, which is simulated, passes by journey, completes whole simulations of parachute jumping process;By to simulation entire during parachute jumping, phase It is more preferable compared with partial simulation training effect.
Preferably, the lifting platform includes landing plane 71 and elevating mechanism 72, the landing plane 71 The elevating mechanism 72 is connected, the elevating mechanism 72 is set on ground.
Preferably, the elevating mechanism 72 is scissor-type lifting mechanism 72, is electronic or hydraulic-driven.
Preferably, the braced frame 1 connects the square structure that forms by square tube, including bottom frame 11, in Between frame 12, top surface frame 13 and column 14 form, column 14 and frame using plug in construction and then are bolted.
Preferably, the straight-line motion mechanism 5 includes movable stand 51, idler wheel, guide rail, electric putter 52, described to lead Rail is set on the top surface frame 13, and the idler wheel is set on the movable stand 51, and the movable stand 51 is set to described On guide rail, described 52 one end of electric putter connects the top surface frame 13, and the other end connects the movable stand 51.
Preferably, the take-off platform 3 includes pedal 31 and fence 32, and the take-off platform 3 is fixed with bolt On the central frame 12 of braced frame 1.
Preferably, which further includes display equipment 10, and the display equipment 10 connects the graphical Work It stands 81, observes trainee for teacher and simulate parachute jumping process.
Preferably, the VR glasses are equipped with locator, for realizing the motion information in the scene to head Capture, and this information is passed into the software systems on graphics workstation 81, the human eye to match with head movement is generated to field The observation scene of scape.Locator is realized and is captured in the scene to the motion information on head, and this information is passed to graphical Work The what comes into a driver's program stood on 81 generates the human eye that matches with head movement to the observation scene of scene.
Preferably, the blower fan apparatus 9 includes two frequency conversion fans 91, the difference of frequency conversion fan 91 described in two It is set to the corner of the landing plane 71, wind direction blows to parachutist's face.
The method that paratrooper's parachuting training simulator carries out simulated training, method includes the following steps:
S1. trainee wears VR glasses, climbs up the take-off platform 3 from step ladder 2, pressure sensor receives pressure letter Number, and pressure signal is fed back to the software systems run on virtual reality device 8;
S2. trainee connects harness system 6, and 6 feedback signal of harness system generates parachute jumping to software systems, software systems It is ready to complete after-vision scene, and is transferred to VR glasses;
S3. trainee jumps off according to instruction from take-off platform 3, and pressure sensor monitoring to pressure disappears, and feeds back to soft Part system, software systems simulation leave the view appearance of aircraft and are transferred to VR glasses, and software systems control blower fan apparatus 9 and generate It is moved forward and backward in what view appearance, the wind environment of matching and straight-line motion mechanism 5 were adapted;
S4. trainee adjusts posture by steerable system 4 according to view appearance and wind, and feeds back to software systems, soft What the adaptable view appearance of part system generation, the wind environment of matching and straight-line motion mechanism 5 were adapted moves forward and backward;
S5. when software systems generate the view appearance on road, trainee tenses umbrella rope 41 simultaneously, and signal is fed back to Software systems;
S6. software systems control the liftable landing platform 7 and rise according to different speed, simulate and pass by journey.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (9)

1. a kind of paratrooper's parachuting training simulator, which is characterized in that including braced frame, step ladder, take-off platform, manipulation system System, straight-line motion mechanism, harness system, liftable landing platform, virtual reality device, blower fan apparatus and software systems;
The step ladder sets the connection braced frame, climbs up the take-off platform for trainee;
The take-off platform setting is in the braced frame, and for simulating aircraft bailout door, and the take-off platform is equipped with Pressure sensor, the pressure sensor connects the virtual reality device, for triggering software systems;
The steerable system is used to generate the signal to parachute simulation manipulation, includes two sets of umbrella ropes and rope sensor, drawstring On sensor is fixedly mounted at the top of braced frame, umbrella rope one end is connect with rope sensor drawstring, and one end is manipulated by parachutist, Rope sensor connects the virtual reality device, and the signal of generation is transmitted software systems, controls parachute in scene Motion profile;
The straight-line motion mechanism according to the control of the software systems for being moved forward and backward;
The harness system connects the straight-line motion mechanism, including suspender belt and spring-damper, and spring-damper is after jumping out The buffering of freely falling body and the pulling force after simulation umbrella opening;
The virtual reality device includes graphics workstation and VR glasses, and the graphics workstation is for running the software system System, and send vision signal to the VR glasses;
The blower fan apparatus can export control wind according to decrease speed for simulating external wind environment during hit the silk The size of fan delivery, the blower fan apparatus connect the graphics workstation;
The lifting platform is connected for simulating trainee's landing experience with the graphics workstation.
2. paratrooper's parachuting training simulator according to claim 1, which is characterized in that the lifting platform includes landing Plane and elevating mechanism, the landing plane connect the elevating mechanism, and the elevating mechanism is set on ground.
3. paratrooper's parachuting training simulator according to claim 2, which is characterized in that the elevating mechanism is scissor-type liter Descending mechanism is electronic or hydraulic-driven.
4. paratrooper's parachuting training simulator according to claim 1 or 3, which is characterized in that the braced frame is by square tube The square structure of composition, including bottom frame, central frame, top surface frame and column composition are connected, column and frame are used and inserted Enter formula structure and then is bolted.
5. paratrooper's parachuting training simulator according to claim 4, which is characterized in that the straight-line motion mechanism includes moving Moving frame, idler wheel, guide rail, electric putter, the guide rail are set on the top surface frame, and the idler wheel is set to the movable stand On, the movable stand is set on the guide rail, and described electric putter one end connects the top surface frame, and the other end connects the shifting Moving frame.
6. paratrooper's parachuting training simulator according to claim 5, which is characterized in that the take-off platform include pedal and Fence, the take-off platform are fixed by bolts on the central frame of braced frame.
7. paratrooper's parachuting training simulator according to claim 1 or 6, which is characterized in that the simulator further includes display Equipment, the display equipment connect the graphics workstation, observe trainee for teacher and simulate parachute jumping process.
8. paratrooper's parachuting training simulator according to claim 7, which is characterized in that the VR glasses are equipped with positioning Device captures for realizing the motion information in the scene to head, and this information is passed to the software system on graphics workstation System, observation scene of the human eye that generation matches with head movement to scene.
9. paratrooper's parachuting training simulator according to claim 2, which is characterized in that the blower fan apparatus includes two changes Frequency blower, frequency conversion fan described in two are respectively arranged at the corner of the landing plane.
CN201820087413.1U 2018-01-18 2018-01-18 A kind of paratrooper's parachuting training simulator Withdrawn - After Issue CN208737703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820087413.1U CN208737703U (en) 2018-01-18 2018-01-18 A kind of paratrooper's parachuting training simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820087413.1U CN208737703U (en) 2018-01-18 2018-01-18 A kind of paratrooper's parachuting training simulator

Publications (1)

Publication Number Publication Date
CN208737703U true CN208737703U (en) 2019-04-12

Family

ID=66020875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820087413.1U Withdrawn - After Issue CN208737703U (en) 2018-01-18 2018-01-18 A kind of paratrooper's parachuting training simulator

Country Status (1)

Country Link
CN (1) CN208737703U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108053712A (en) * 2018-01-18 2018-05-18 航天科工***仿真科技(北京)有限公司 A kind of paratrooper's parachuting training simulator and its method
CN111223346A (en) * 2019-10-22 2020-06-02 中国人民解放军91976部队 Parachute jumping simulation cabin of parachute jumping equipment
CN112591108A (en) * 2020-12-22 2021-04-02 湖南翔鹏信息科技有限公司 Somatosensory interactive parachute jumping simulation training equipment
RU2821101C1 (en) * 2023-11-01 2024-06-17 Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации Parachutist landing training simulator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108053712A (en) * 2018-01-18 2018-05-18 航天科工***仿真科技(北京)有限公司 A kind of paratrooper's parachuting training simulator and its method
CN108053712B (en) * 2018-01-18 2023-10-13 航天科工***仿真科技(北京)有限公司 Parachuting training simulator and parachuting training method
CN111223346A (en) * 2019-10-22 2020-06-02 中国人民解放军91976部队 Parachute jumping simulation cabin of parachute jumping equipment
CN112591108A (en) * 2020-12-22 2021-04-02 湖南翔鹏信息科技有限公司 Somatosensory interactive parachute jumping simulation training equipment
CN112591108B (en) * 2020-12-22 2024-03-26 湖南翔鹏信息科技有限公司 Somatosensory interactive parachuting simulation training equipment
RU2821101C1 (en) * 2023-11-01 2024-06-17 Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации Parachutist landing training simulator

Similar Documents

Publication Publication Date Title
CN108053712A (en) A kind of paratrooper's parachuting training simulator and its method
CN208737703U (en) A kind of paratrooper's parachuting training simulator
CN107492279B (en) Parachuting simulator
KR101212445B1 (en) Simulator apparatus for skydive virtual training and virtual reality experience
CN103921947B (en) Parachute jumping simulated training semi-matter simulating system and method for operation thereof
EP2612311B1 (en) Apparatus and method for operating a flight simulator with a special impression of reality
CN107154194A (en) For the manipulation in paratrooper's training simulators and dynamic emulation system
KR101810834B1 (en) The skydiving feel simulator system based virtual reality
KR20160063019A (en) Parachute Training Simulator System and Method
CN107424463A (en) One kind parachute jumping simulation training system and parachute jumping simulated training method
CN111223346B (en) Parachute jumping simulation cabin of parachute jumping equipment
KR101546408B1 (en) Using one trillion kinds parachute parachute simulator
CN112562446B (en) Real sense parachuting simulation training ware based on virtual reality
RU2653900C1 (en) Paratrooper's simulator and a method of dynamic training support on it
CN113674575A (en) Virtual reality parachute jumping simulation training somatosensory control device and method
CN215932896U (en) Parachute landing simulation training device for parachute landing training
CN107600437A (en) A kind of VR parachuting trainings simulator
CN207956074U (en) A kind of VR parachuting trainings simulator
CN214279236U (en) Parachuting simulation training device
CN113371206B (en) Parachuting simulation training wind direction control method and system
CN207541837U (en) A kind of assembled architecture on-site hoisting actual training device
CN216311096U (en) VR that takes safety belt simulation experience platform that falls
CN112309195A (en) VR safety training experience dynamic platform and application method thereof
CN206363575U (en) A kind of paragliding VR simulators
CN220855881U (en) Somatosensory simulation system for parachuting simulation training

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20190412

Effective date of abandoning: 20231013

AV01 Patent right actively abandoned

Granted publication date: 20190412

Effective date of abandoning: 20231013