CN112634667A - Multi-functional intelligent interactive answering device - Google Patents

Multi-functional intelligent interactive answering device Download PDF

Info

Publication number
CN112634667A
CN112634667A CN202011602568.2A CN202011602568A CN112634667A CN 112634667 A CN112634667 A CN 112634667A CN 202011602568 A CN202011602568 A CN 202011602568A CN 112634667 A CN112634667 A CN 112634667A
Authority
CN
China
Prior art keywords
fixedly connected
sliding
teeth
answering device
students
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.)
Granted
Application number
CN202011602568.2A
Other languages
Chinese (zh)
Other versions
CN112634667B (en
Inventor
王荣雪
王冠利
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.)
Qilu University of Technology
Original Assignee
Qilu University of Technology
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 Qilu University of Technology filed Critical Qilu University of Technology
Priority to CN202011602568.2A priority Critical patent/CN112634667B/en
Publication of CN112634667A publication Critical patent/CN112634667A/en
Application granted granted Critical
Publication of CN112634667B publication Critical patent/CN112634667B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B3/00Manually or mechanically operated teaching appliances working with questions and answers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/04Easels or stands for blackboards or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00Teaching not covered by other main groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

The invention discloses a multifunctional intelligent interactive answering device which comprises a stand column, wherein a display panel is rotatably connected inside the stand column, a driving motor matched with the display panel to rotate is installed at the upper end of the stand column, four groups of shielding plates which are distributed annularly are fixedly connected to the outer end of an external shell sleeve, answer boards are rotatably connected between the frame plates, a sliding seat is slidably connected inside the sliding sleeve, and abutting teeth matched with the sliding seat to position are also fixedly connected to the inner end of the sliding sleeve. According to the invention, firstly, the positioning state between the sliding seat and the sliding sleeve is released by pulling the hand push rod, the sliding seat is dragged to slide along the sliding sleeve, so that the inclination angle of the answer sheet is adjusted, the students can select a proper inclination angle according to own writing habits, and secondly, mutual questioning among classmates is realized through the arrangement of the display panel, so that interactive learning among the students is realized, and the teaching of students is facilitated while the learning interest of the students is improved.

Description

Multi-functional intelligent interactive answering device
Technical Field
The invention relates to the technical field of teaching aids, in particular to a multifunctional intelligent interactive answering device.
Background
The teaching aid refers to a model, a real object, a specimen, an instrument, a chart, a slide show and the like for explaining something, and comprises teaching equipment, a teaching instrument, practical training equipment, education equipment, experimental equipment, a teaching specimen, a teaching model and the like.
In the classroom, the teacher in the lecture can let the student understand and study through the mode of teaching material explanation, in-process in class, the teacher in the lecture passes through the mode with student's interactive answer, let the more clear content of understanding that the teacher in the lecture explains that the student is more, when improving student's interest in learning, increase the degree of understanding of student to teaching content, current interactive answer mode is comparatively single, teacher in the lecture often can directly write down the problem content on the blackboard, then the student of calling a roll answers to the platform, this kind of traditional interactive mode is comparatively boring, still increase student's psychological burden easily, be unfavorable for the instillation of teacher to relevant knowledge point.
Disclosure of Invention
The invention aims to: the multifunctional intelligent interactive answering device is provided for solving the problems in reality.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an interactive answer device of multi-functional intelligence, includes the stand, the inside of stand is rotated and is connected with the display panel, cooperation display panel pivoted driving motor is installed to the upper end of stand, the external mantle of branch fixedly connected with is passed through in the outside of stand, the outer end fixedly connected with of external mantle is four group's sunshade that the annular distributes, the equal fixedly connected with frame plate in outer end of four group's sunshade, rotate between the frame plate and be connected with the answer board, the outer end fixedly connected with slip joint cover of sunshade, the inside sliding connection of slip joint cover has the slide, and the slide rotates with the one end that the frame plate was kept away from to the answer board and be connected, the inner of slip joint cover is the butt tooth that fixedly connected with cooperation slide was fixed.
As a further description of the above technical solution:
the outer end of the shielding plate is positioned on the upper side of the answer board and is fixedly connected with a storage rack.
As a further description of the above technical solution:
the inside sliding connection of slide has two sets of baffles that are the symmetric distribution, and is two sets of the one end fixedly connected with internal block that the baffle is relative, the baffle is kept away from the one end fixedly connected with cooperation butt joint tooth interlock's of internal block location tooth.
As a further description of the above technical solution:
the inner fixedly connected with of slide is four groups of montants that are the symmetric distribution, and montant and baffle sliding connection.
As a further description of the above technical solution:
the extension end of the vertical rod is fixedly connected with a limiting plate, and an extrusion spring is sleeved between the limiting plate and the baffle plate and located on the outer side of the vertical rod.
As a further description of the above technical solution:
the outer ends of the internal connection blocks are fixedly connected with driven teeth, the outer sides of the driven teeth are connected with side plates in a sliding mode, the inner ends of the side plates are fixedly connected with driving teeth matched with the driven teeth for use, and the driving teeth are connected with the driven teeth in a sliding mode.
As a further description of the above technical solution:
the end faces of the driving teeth and the driven teeth in sliding fit are inclined slope surface structures matched with each other.
As a further description of the above technical solution:
the outer end fixedly connected with handspike of curb plate, the gliding bar groove of cooperation handspike is seted up to the inside of slide, the gliding spout of cooperation handspike is seted up to the inside of sliding sleeve.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the external shell sleeve is arranged on the stand column, the baffle plate is arranged on the external shell sleeve, the frame plate and the sliding sleeve are arranged on the baffle plate, the sliding sleeve is provided with the sliding seat, the answer plate is arranged between the sliding seat and the frame plate, the driving teeth fixedly connected with the side plates are driven to move along the horizontal direction by pulling the hand push rod, the driving teeth drive the two groups of internal connecting blocks to synchronously move in opposite directions in the sliding process, and further drive the positioning teeth to be separated from the abutting teeth, at the moment, the sliding seat is dragged to slide along the sliding sleeve, so that the inclination angle of the answer plate is adjusted, and students answering the questions can select a proper inclination angle according to own writing habits, thereby facilitating the use and writing in answering the questions.
2. According to the invention, the external connection shell is provided with the shielding plates, the shielding plates are provided with the storage frames, in the process of answering the questions of the students, the shielding plates are distributed on two sides of the students for answering the questions, the visual lines of the students are shielded, the students are prevented from exchanging in the process of answering the questions, the teaching effect is prevented from being influenced, teaching tools are placed on the storage frames, and the students and teachers can conveniently take the teaching tools at any time and use the teaching tools at any time
3. In the invention, the display panel and the driving motor matched with the display panel are arranged on the upright post, and four different questioning contents are written on the display panel, so that the questioning contents faced by students in the answering process are different, the driving motor is controlled by the control switch to drive the display panel to rotate, and the students can ask questions on the display panel by themselves to realize mutual questioning among students, thereby realizing interactive learning among the students, improving the learning interest of the students and helping teachers to teach more easily.
Drawings
FIG. 1 illustrates a front view provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a top view provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a side view of a slip sleeve provided in accordance with an embodiment of the present invention;
figure 4 illustrates a side cross-sectional view of a slip sleeve and slip seat connection provided in accordance with an embodiment of the present invention.
Illustration of the drawings:
1. a column; 2. a display panel; 3. a drive motor; 4. connecting the shell to the outside; 5. a strut; 6. a shutter; 7. a storage rack; 8. a frame plate; 9. an answer sheet; 10. a sliding sleeve; 1001. a butt joint tooth; 1002. a chute; 11. a slide base; 1101. a strip-shaped groove; 12. a baffle plate; 13. positioning teeth; 14. an internal connection block; 15. a driven tooth; 16. a side plate; 17. a drive tooth; 18. a handspike; 19. a vertical rod; 20. compressing the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
In a first embodiment, please refer to fig. 1-3, the present invention provides a technical solution: a multifunctional intelligent interactive answering device comprises a stand column 1, a display panel 2 is rotatably connected inside the stand column 1, a driving motor 3 matched with the display panel 2 to rotate is installed at the upper end of the stand column 1, an external casing sleeve 4 is fixedly connected to the outer side of the stand column 1 through a support rod 5, four groups of shielding plates 6 distributed in an annular mode are fixedly connected to the outer end of the external casing sleeve 4, frame plates 8 are fixedly connected to the outer ends of the four groups of shielding plates 6, an answering plate 9 is rotatably connected between the frame plates 8, a sliding sleeve 10 is fixedly connected to the outer end of each shielding plate 6, a sliding seat 11 is slidably connected inside the sliding sleeve 10, the sliding seat 11 is rotatably connected with one end, far away from the frame plate 8, of each answering plate 9, teeth 1001 matched with the sliding seat 11 to be positioned are fixedly connected to the inner end of the sliding sleeve 10, the abutting joint between the sliding seat 11 and the sliding sleeve 10 is released by pulling, and then the inclination of adjustment answer board 9, the student of answering can select suitable inclination according to the custom of writing of oneself, and display panel 2 is the cubic structure, and its four terminal surfaces towards the outside all can be used for writing, through writing down the content of asking questions on four writing surfaces of display panel 2, carries out the answer by the student again, drives display panel 2 through control switch control driving motor 3 and rotates, and the student can carry out the answer to the question of different grade type in proper order.
In the second embodiment, as shown in fig. 1 and 2, the outer end of the covering plate 6 is fixedly connected with the storage rack 7 on the upper side of the answer board 9, and teaching aids are placed on the storage rack 7, so that students and teachers can take the teaching aids at any time.
Specifically, as shown in fig. 1 to 4, two sets of baffles 12 are slidably connected inside the sliding seat 11, the two sets of baffles 12 are symmetrically distributed, one ends of the two sets of baffles 12 opposite to each other are fixedly connected with the inner connecting block 14, one ends of the baffles 12 far away from the inner connecting block 14 are fixedly connected with the positioning teeth 13 engaged with the abutting teeth 1001 in a matching manner, the inner ends of the sliding seat 11 are fixedly connected with four sets of vertical rods 19, the vertical rods 19 are slidably connected with the baffles 12, the extending ends of the vertical rods 19 are fixedly connected with the limiting plates, the outer sides of the vertical rods 19 are positioned between the limiting plates and the baffles 12 and are sleeved with the extrusion springs 20, the outer ends of the two sets of inner connecting blocks 14 are both fixedly connected with the driven teeth 15, the outer sides of the two sets of driven teeth 15 are slidably connected with the side plates 16, the inner ends of the side plates 16 are fixedly connected with the driving teeth 17 used for matching with the driven teeth, outer end fixedly connected with handspike 18 of curb plate 16, the gliding bar groove 1101 of cooperation handspike 18 is seted up to the inside of slide 11, the gliding spout 1002 of cooperation handspike 18 is seted up to the inside of slip cover 10, pulling handspike 18 drives and moves along the horizontal direction with curb plate 16 fixed connection's drive tooth 17, sliding fit through drive tooth 17 and driven tooth 15 drives two sets of interior grafting pieces 14 and is synchronous opposite direction and move, and then make location tooth 13 break away from butt tooth 1001 and retract to the inside of slide 11, can remove the location state between slide 11 and the slip cover 10, the student of being convenient for uses the adjustment of device.
The working principle is as follows: when in use, firstly, a teacher in any class can write the required questions on the four writing surfaces of the display panel 2, and arrange four students around the answering device, the students need to answer the questions on the display panel 2 by facing the answering board 9, before answering, the students drive the side plate 16 and the driving tooth 17 fixedly connected with the side plate 16 to move along the horizontal direction by pulling the hand push rod 18 positioned at the outer side of the sliding sleeve 10, the driving tooth 17 drives the two groups of inner connecting blocks 14 to synchronously move in opposite directions by sliding fit with the driven tooth 15 in the sliding process, and further drives the positioning tooth 13 fixedly connected with the baffle plate 12 to separate from the abutting tooth 1001 and retract to the inner part of the sliding seat 11, at the moment, the sliding seat 11 is dragged to enable the sliding seat 11 to slide along the sliding sleeve 10, so as to adjust the inclination angle of the answering board 9, the students can select a proper inclination angle according to their own writing habits, the student can use and write the question conveniently when answering the question; secondly, in the process of answering the students, the shielding plates 6 arranged on the external shell sleeve 4 are distributed on two sides of the students, so that the sight lines of the students are shielded, the students are prevented from communicating in the process of answering the students and the teaching effect is prevented from being influenced, the shielding plates 6 are fixedly connected with the storage frames 7, teaching tools are placed on the storage frames 7, and the students and teachers can conveniently take the teaching tools at any time; finally, the teacher of the lesson can write down four different questioning contents on four writing surfaces of the display panel 2, make the student in the question answering process faced the questioning content all the same, after having passed the question answering time of a question, the teacher of the lesson can drive the display panel 2 inside the pillar 1 to rotate through control switch control driving motor 3, the student needs to answer four different questions of group in proper order, also can ask the question on the display panel 2 by oneself between the student, and through the rotation of the display panel 2, realize the mutual questioning between the classmates, thereby realized the interactive learning between the student, improve the interest in learning of student, help the teacher of the lesson more relaxed instillation knowledge content.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a multi-functional interactive answer device of intelligence, includes stand (1), its characterized in that, the inside of stand (1) is rotated and is connected with display panel (2), cooperation display panel (2) pivoted driving motor (3) are installed to the upper end of stand (1), the outside of stand (1) is through branch (5) fixedly connected with external shell cover (4), the outer end fixedly connected with of external shell cover (4) is four group's sunshade (6) that the annular distributes, the equal fixedly connected with frame plate (8) in outer end of four group's sunshade (6), it is connected with answer sheet (9) to rotate between frame plate (8), the outer end fixedly connected with slip joint cover (10) of sunshade (6), the inside sliding connection of slip joint cover (10) has slide (11), and slide (11) and answer sheet (9) keep away from the one end rotation of frame plate (8) and be connected, the inner end of the sliding sleeve (10) is also fixedly connected with an abutting tooth (1001) which is positioned by matching with the sliding seat (11).
2. The multifunctional intelligent interactive answering device according to claim 1, wherein the outer end of the shielding plate (6) is fixedly connected with a storage rack (7) at the upper side of the answering plate (9).
3. The multifunctional intelligent interactive answering device according to claim 1, wherein two groups of baffles (12) are symmetrically arranged in the sliding seat (11) in a sliding manner, an inner connecting block (14) is fixedly connected to one end of each of the two groups of baffles (12) opposite to each other, and positioning teeth (13) matched with the engaging teeth (1001) are fixedly connected to one end, far away from the inner connecting block (14), of each baffle (12).
4. A multifunctional intelligent interactive answering device according to claim 3, wherein four groups of vertical bars (19) are symmetrically arranged at the inner end of the sliding base (11), and the vertical bars (19) are slidably connected with the baffle (12).
5. The multifunctional intelligent interactive answering device according to claim 4, wherein a limiting plate is fixedly connected to an extending end of the vertical rod (19), and an extrusion spring (20) is sleeved on the outer side of the vertical rod (19) between the limiting plate and the baffle (12).
6. The multifunctional intelligent interactive answering device according to claim 3, wherein the outer ends of the two sets of the internal connection blocks (14) are fixedly connected with driven teeth (15), the outer sides of the two sets of the driven teeth (15) are slidably connected with side plates (16), the inner ends of the side plates (16) are fixedly connected with driving teeth (17) matched with the driven teeth (15) for use, and the driving teeth (17) are slidably connected with the driven teeth (15).
7. The multifunctional intelligent interactive answering device according to claim 6, wherein the end surfaces of the driving teeth (17) and the driven teeth (15) which are in sliding fit are of mutually matched inclined slope surface structures.
8. The multifunctional intelligent interactive answering device according to claim 7, wherein a hand push rod (18) is fixedly connected to the outer end of the side plate (16), a strip-shaped groove (1101) matched with the hand push rod (18) to slide is formed in the sliding seat (11), and a sliding groove (1002) matched with the hand push rod (18) to slide is formed in the sliding sleeve (10).
CN202011602568.2A 2020-12-30 2020-12-30 Multi-functional intelligent interactive answering device Active CN112634667B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011602568.2A CN112634667B (en) 2020-12-30 2020-12-30 Multi-functional intelligent interactive answering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011602568.2A CN112634667B (en) 2020-12-30 2020-12-30 Multi-functional intelligent interactive answering device

Publications (2)

Publication Number Publication Date
CN112634667A true CN112634667A (en) 2021-04-09
CN112634667B CN112634667B (en) 2022-11-22

Family

ID=75287274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011602568.2A Active CN112634667B (en) 2020-12-30 2020-12-30 Multi-functional intelligent interactive answering device

Country Status (1)

Country Link
CN (1) CN112634667B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847310B1 (en) * 2007-10-24 2008-07-21 주식회사 에이치아이디 Earthquake experience system
CN205959440U (en) * 2016-04-12 2017-02-15 郑州澍青医学高等专科学校 Multi -functional english teaching device convenient to remove
CN208819392U (en) * 2018-06-12 2019-05-03 湖南理工学院 A kind of dissemination of news instructional device
CN208954421U (en) * 2018-07-22 2019-06-07 大连海洋大学 A kind of English teaching Multifunctional teaching aid
CN209785283U (en) * 2019-01-28 2019-12-13 烟台工程职业技术学院(烟台市技师学院) English teaching device based on internet
CN209859401U (en) * 2019-04-24 2019-12-27 黑龙江职业学院(黑龙江省经济管理干部学院) Novel powder board for foreign language teaching
CN211454991U (en) * 2020-04-13 2020-09-08 丰娜 English teaching is with high interesting learning device
CN211684362U (en) * 2020-03-05 2020-10-16 咸宁职业技术学院 Blackboard that has display device that english teaching was used
CN211969001U (en) * 2020-03-30 2020-11-20 盐城工业职业技术学院 English teaching is with rotatable teaching board

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100847310B1 (en) * 2007-10-24 2008-07-21 주식회사 에이치아이디 Earthquake experience system
CN205959440U (en) * 2016-04-12 2017-02-15 郑州澍青医学高等专科学校 Multi -functional english teaching device convenient to remove
CN208819392U (en) * 2018-06-12 2019-05-03 湖南理工学院 A kind of dissemination of news instructional device
CN208954421U (en) * 2018-07-22 2019-06-07 大连海洋大学 A kind of English teaching Multifunctional teaching aid
CN209785283U (en) * 2019-01-28 2019-12-13 烟台工程职业技术学院(烟台市技师学院) English teaching device based on internet
CN209859401U (en) * 2019-04-24 2019-12-27 黑龙江职业学院(黑龙江省经济管理干部学院) Novel powder board for foreign language teaching
CN211684362U (en) * 2020-03-05 2020-10-16 咸宁职业技术学院 Blackboard that has display device that english teaching was used
CN211969001U (en) * 2020-03-30 2020-11-20 盐城工业职业技术学院 English teaching is with rotatable teaching board
CN211454991U (en) * 2020-04-13 2020-09-08 丰娜 English teaching is with high interesting learning device

Also Published As

Publication number Publication date
CN112634667B (en) 2022-11-22

Similar Documents

Publication Publication Date Title
CN204102356U (en) Learn the dual-purpose historical teaching picture mosaic of religion
CN209746822U (en) Multifunctional demonstration device for primary school Chinese teaching
EP3259747B1 (en) Method and system for exchanging information
CN112216160A (en) Chinese language and literature auxiliary teaching device
CN106056990A (en) Auxiliary teaching device for political education course
CN112634667B (en) Multi-functional intelligent interactive answering device
CN208351730U (en) A kind of teaching management multimedia teaching apparatus
CN206584621U (en) Mathematical education image cognition instrument
CN206411884U (en) A kind of art education teaching demonstration device
CN211403730U (en) High school mathematics teaching picture frame
CN210515787U (en) Teaching show management device
CN210865339U (en) Sand table display stand
CN208017124U (en) A kind of language teaching device
CN214377012U (en) Interactive multimedia teaching dustless writing board
CN214796361U (en) Hanger for teaching Chinese language and literature
CN215118059U (en) Solar eclipse simulation imaging observer
CN210324626U (en) Interactive installation of translation teaching
CN215303786U (en) Be applied to multi-functional podium is used in education of experiment
CN210902329U (en) Multifunctional demonstration discussion device for education and technology subject
CN204990854U (en) Modified is teaching aid for mathematical education
CN214475861U (en) Dynamic demonstration device for junior middle school mathematics parabola
CN216014510U (en) Interactive teaching equipment is used in english teaching
CN216046651U (en) Real teaching display device of singlechip technical theory
CN205003875U (en) Demonstrating board is used in chinese teaching
CN215125402U (en) Auxiliary device for teaching

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