CN211649667U - Multimedia interactive education equipment based on emphasized reality - Google Patents
Multimedia interactive education equipment based on emphasized reality Download PDFInfo
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- CN211649667U CN211649667U CN201921482772.8U CN201921482772U CN211649667U CN 211649667 U CN211649667 U CN 211649667U CN 201921482772 U CN201921482772 U CN 201921482772U CN 211649667 U CN211649667 U CN 211649667U
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- 230000002452 interceptive effect Effects 0.000 title claims abstract description 16
- 230000003993 interaction Effects 0.000 claims description 3
- 230000003190 augmentative effect Effects 0.000 claims 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/041—Allowing quick release of the apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electrically Operated Instructional Devices (AREA)
- Manipulator (AREA)
Abstract
The utility model discloses a multimedia interactive education equipment based on emphasis reality, which comprises a device main body, a display screen, a detachable plate and a telescopic support frame, wherein the display screen is fixedly connected at the middle part of the device main body, the detachable plate is embedded and connected at the bottom part of the device main body, the telescopic support frames are fixedly connected at the two side parts of the bottom part of the detachable plate, the object placing plate is fixedly connected at the middle part of the telescopic support frame, the telescopic device is fixedly connected at the bottom part of the object placing plate, the telescopic support frame slides up and down through a positioning pin inside a waist-shaped hole in the carrying process by arranging the telescopic device, a fixing clamping strip is added inside the telescopic support frame in order to stabilize the whole support device, the normal teaching of a user is not influenced by the sliding phenomenon, the practicability of the device equipment is effectively improved, and the device is suitable for the use, has wide development prospect in the future.
Description
Technical Field
The utility model relates to an education equipment technical field specifically is a multimedia interaction education equipment based on emphasize reality.
Background
The multimedia equipment mainly comprises a computer, a projector, a slide projector, a display stand, an electronic whiteboard and the like, and the modern teaching theory and practice are realized by applying the modern teaching theory and technology and designing, developing, applying, managing and evaluating the teaching process and resources.
The existing multimedia interactive education equipment based on the emphasized reality is difficult to carry, wastes time and labor, is poor in stability of use, low in integral use efficiency when the device is used, cannot be used conveniently and difficultly, cannot meet the requirements of modern society due to insufficient perfection of the equipment and cannot meet the requirements of modern society.
Therefore, how to design a multimedia interactive education device based on reality emphasis becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multimedia interaction education equipment based on emphasis reality to propose the transport difficulty in solving above-mentioned background, the poor problem of steadiness ability.
In order to achieve the above object, the utility model provides a following technical scheme: a multimedia interactive education device based on emphasized reality comprises a device main body, a display screen, a detachable plate and a telescopic support frame, wherein the display screen is fixedly connected to the middle part of the device main body, the detachable plate is connected to the bottom part of the device main body in an embedded manner, the telescopic support frame is fixedly connected to the two side parts of the bottom part of the detachable plate, a storage plate is fixedly connected to the middle part of the telescopic support frame, a telescopic device is fixedly connected to the bottom part of the storage plate, a bottom plate is fixedly connected to the bottom part of the telescopic device, universal wheels are fixedly connected to the bottom part of the bottom plate, a camera is fixedly connected to the top part of the device main body, a rotary seat is fixedly connected to the top part of the camera, a telescopic column is fixedly connected to the bottom part of the rotary seat, and a clamping block is fixedly connected, the fixture block is characterized in that fixing nuts are fixedly connected to two sides of the interior of the fixture block, sliding grooves are fixedly connected to two side portions of each fixing nut, a guide cylinder is fixedly connected to the bottom portion of the telescopic device, a waist-shaped hole is fixedly connected to the middle portion of the bottom of the guide cylinder, and a positioning pin is movably connected to the middle portion of the interior of the waist-shaped hole.
Preferably, the two side parts of the device main body are fixedly connected with anti-collision blocks.
Preferably, the bottom part of the device main body is fixedly connected with a movable track.
Preferably, one side part of the universal wheel is fixedly connected with a rubber anti-slip strip.
Preferably, the inner part of the waist-shaped hole is fixedly connected with a fixing clamping strip.
Preferably, the dismounting device is formed by combining a dismountable plate at the bottom, a clamping block at the top of the dismountable plate, a fixed nut inside the clamping block and a sliding groove in the middle of two sides of the fixed nut.
Preferably, the telescopic device is formed by combining a guide cylinder at the bottom, a waist-shaped hole in the guide cylinder and a positioning pin in the waist-shaped hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of interactive education equipment of multimedia based on emphasis reality, dismounting device are by the removable board of bottom, can dismantle the fixture block at board top, the inside fixation nut of fixture block can be separated fixture block and device main part when the transport through setting up removable board, can make things convenient for personnel's transport, reduce the burden, labour saving and time saving is applicable to the transport in each place simultaneously, has improved the convenience of device effectively.
2. This kind of interactive education equipment of multimedia based on stress reality, through setting up the telescoping device, the telescoping device slides telescopic bracket about through the locating pin to waist type downthehole portion in handling, adds the fixing clip strip again inside, makes the rope device that contracts more firm, can not cause the landing phenomenon to influence user's normal teaching, has improved the practicality of plant equipment effectively.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the point A of the present invention;
FIG. 3 is a block component diagram of the present invention;
fig. 4 is an enlarged view of the position B of the present invention.
In the figure: 1. the device main part, 2, the display screen, 3, can dismantle the board, 4, telescopic bracket, 5, put the thing board, 6, bottom plate, 7, universal wheel, 8, telescoping device, 9, anticollision piece, 10, the camera, 11, activity track, 12, rubber antislip strip, 13, roating seat, 14, flexible post, 15, the fixture block, 16, fixation nut, 17, sliding tray, 18, the guide cylinder, 19, waist type hole, 20, the locating pin, 21, the fixing clip strip.
Detailed Description
The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In a first embodiment, please refer to fig. 1-4, the present invention provides a technical solution: a multimedia interactive education device based on emphasized reality comprises a device main body 1, a display screen 2, a detachable plate 3 and a telescopic support frame 4, wherein the display screen 2 is fixedly connected to the middle part of the device main body 1, the detachable plate 3 is embedded and connected to the bottom part of the device main body 1, the telescopic support frame 4 is fixedly connected to the two side parts of the bottom part of the detachable plate 3, an object placing plate 5 is fixedly connected to the middle part of the telescopic support frame 3, a telescopic device 8 is fixedly connected to the bottom part of the object placing plate 5, a bottom plate 6 is fixedly connected to the bottom part of the telescopic device 8, universal wheels 7 are fixedly connected to the bottom part of the bottom plate 6, a camera 10 is fixedly connected to the top part of the device main body 1, a rotary seat 13 is fixedly connected to the top part of the camera 10, a telescopic column 14 is fixedly connected to the bottom part of the rotary, fixing nuts 16 are fixedly connected to two sides of the interior of the fixture block 15, sliding grooves 17 are fixedly connected to two side portions of each fixing nut 16, a guide cylinder 18 is fixedly connected to the bottom portion of the telescopic device 8, a waist-shaped hole 19 is fixedly connected to the middle portion of the bottom portion of the guide cylinder 18, and a positioning pin 20 is movably connected to the middle portion of the interior of each waist-shaped hole 19.
Preferably, the anti-collision blocks 9 are fixedly connected to the two side portions of the device body 1, when the device is carried, if the device is moved to a small outside of a door, damage and collision of a display screen can be caused, unnecessary troubles are caused, the anti-collision blocks 9 are arranged, the periphery of the device body 1 can be wrapped by the anti-collision blocks 9, collision is prevented from being caused, a buffering effect is well played for collision of the device body, and the protection performance of the anti-collision blocks 9 is well embodied.
Preferably, the bottom part of the device main body 1 is fixedly connected with the movable rail 11, the existing multimedia equipment is large in size and labor-consuming in the moving process, the movable rail 11 is arranged, the device main body 1 can slide, the use of a user is facilitated, and the flexibility of the device is effectively improved.
Preferably, one side position fixedly connected with rubber antislip strip 12 of universal wheel 7, when universal wheel 7 slided, sometimes can lead to the wheel uncontrolled because of the reason on ground, thereby influence user's use, influence work efficiency, through setting up rubber antislip strip 12, rubber antislip strip 12 can be put it in the bottom of universal wheel 7 when using, thereby can form a fixed effect increase and can play a stable effect with the frictional force on ground, improved the stability of device effectively.
Preferentially, the inside position fixedly connected with fixing clip strip 21 in waist type hole 19, current multimedia teaching equipment is when carrying out flexible work, can lead to the landing easily because of not having fixed device sometimes, causes flexible malfunctioning, through setting up fixing clip strip 21, fixing clip strip 21 can carry out further fixed in order to reduce the error to the post when to carrying out flexible when the landing that leads to because of top weight overweight, has improved the device fixity effectively.
Preferably, dismounting device is by the detachable plate 3 of bottom, the fixture block 15 at detachable plate 3 top, fixture block 15 inside fixed nut 16, sliding tray 17 in the middle of fixed nut 16 both sides makes up jointly and forms, when the device is carried, need a large amount of manual works, it is inconvenient to cause the transport of whole device, and too much the number of people also can cause inconvenient in the department of turning when the transport, probably still can cause personnel to be injured, detachable plate 3 through setting up, detachable plate 3 can separate fixture block 15 and device main part 1 when the transport, with convenient personnel's transport, reduce the burden, save time and labor, be applicable to the transport in each place simultaneously, the convenience of device has been improved effectively.
Preferably, telescoping device 8 is by the guide cylinder 18 of bottom, the inside waist type hole 19 of guide cylinder 18, the inside locating pin 20 of waist type hole 19 makes up jointly and forms, because current multimedia apparatus does not have flexible function mostly, can not more person of facilitating the use's use, simultaneously also be convenient for carry, it is troublesome to have caused many unnecessary, through setting up telescoping device 8, telescoping device 8 is in handling, slide telescopic bracket 4 from top to bottom through the locating pin to the inside of waist type hole 19, the reducing device, and in order to stabilize whole telescoping device 8 more, add fixing clip strip 21 again in inside, just can be inside fixing clip strip 21 with fixing pin 20 card, make rope contract device 8 more firm, can not cause the landing phenomenon and influence user's normal teaching, the practicality of device has been improved effectively.
The working principle is as follows: firstly, the device is fixedly connected with the anti-collision blocks 9 through two side parts of the device main body 1, and the anti-collision blocks 9 are arranged, so that the periphery of the device main body 1 can be wrapped by the anti-collision blocks 9, collision is prevented, the device main body is well buffered, and the protection of the anti-collision blocks 9 is well embodied;
then, one side part of the universal wheel 7 is fixedly connected with the rubber anti-slip strip 12, when the universal wheel 7 slides, sometimes the wheel is not controlled due to the ground, so that the use of a user is influenced, and the working efficiency is influenced, when the rubber anti-slip strip 12 is arranged, the rubber anti-slip strip 12 can be placed at the bottom of the universal wheel 7 when in use, so that a fixing effect can be formed, the friction force between the rubber anti-slip strip 12 and the ground can be increased, a stabilizing effect can be achieved, and the stability of the device is effectively improved;
then, the fixing clamping strip 21 is fixedly connected to the inner part of the waist-shaped hole 19, when the existing multimedia teaching equipment is used for stretching, the existing multimedia teaching equipment is easy to damage due to the fact that no fixing device exists, and therefore stretching failure is caused, through the arrangement of the fixing clamping strip 21, the fixing clamping strip 21 can slide off due to the fact that the top weight is too heavy when stretching is carried out, the clamped column is further fixed, errors are reduced, and device fixing performance is effectively improved;
the disassembly device is formed by combining the detachable plate 3 at the bottom, the clamping block 15 at the top of the detachable plate 3, the fixing nut 16 inside the clamping block 15 and the sliding groove 17 in the middle of two sides of the fixing nut 16, when the device is carried, a large amount of labor is needed, the whole device is inconvenient to carry, and the inconvenience at a corner and the possible injury of personnel can be caused due to too many people during carrying, the clamping block 15 can be separated from the device main body 1 during carrying by arranging the detachable plate 3, the carrying of the personnel can be facilitated, the burden is reduced, the time and the labor are saved, the disassembly device is suitable for carrying in various places, and the convenience of the device is effectively improved;
finally, the telescopic device 8 is formed by combining a guide cylinder 18 at the bottom, a kidney-shaped hole 19 in the guide cylinder 18 and a positioning pin 20 in the kidney-shaped hole 19, because most of the existing multimedia devices do not have the telescopic function, the use of the multimedia devices by users cannot be more convenient, meanwhile, the carrying is not convenient, a lot of unnecessary troubles are caused, by arranging the telescopic device 8, the telescopic support frame 4 slides up and down through a positioning pin in the waist-shaped hole 19 in the carrying process of the telescopic device 8, in order to stabilize the whole supporting device more, the fixing clamp strip 21 is added in the fixing device, so that the fixing pin can be clamped in the fixing clamp strip, the rope contraction device 8 is more stable, the sliding phenomenon cannot be caused to influence the normal teaching of a user, the practicability of the device is effectively improved, and the working principle of the multimedia interactive education equipment based on the emphasized reality is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a multimedia interaction education equipment based on emphasize reality, includes device main part (1), display screen (2), can dismantle board (3) and telescopic support frame (4), its characterized in that: the device is characterized in that a display screen (2) is fixedly connected to the middle of the device main body (1), a detachable plate (3) is embedded and connected to the bottom of the device main body (1), telescopic support frames (4) are fixedly connected to the two sides of the bottom of the detachable plate (3), an object placing plate (5) is fixedly connected to the middle of the telescopic support frames (4), a telescopic device (8) is fixedly connected to the bottom of the object placing plate (5), a bottom plate (6) is fixedly connected to the bottom of the telescopic device (8), universal wheels (7) are fixedly connected to the bottom of the bottom plate (6), a camera (10) is fixedly connected to the top of the device main body (1), a rotary seat (13) is fixedly connected to the top of the camera (10), and a telescopic column (14) is fixedly connected to the bottom of the rotary seat (13), the detachable plate is characterized in that a clamping block (15) is fixedly connected to the top of the detachable plate (3), fixing nuts (16) are fixedly connected to two sides of the inside of the clamping block (15), sliding grooves (17) are fixedly connected to two sides of the fixing nuts (16), a guide cylinder (18) is fixedly connected to the bottom of the telescopic device (8), a waist-shaped hole (19) is fixedly connected to the middle of the bottom of the guide cylinder (18), and a positioning pin (20) is movably connected to the middle of the inside of the waist-shaped hole (19).
2. An augmented reality based multimedia interactive education apparatus according to claim 1 further characterized in that: the two side parts of the device main body (1) are fixedly connected with anti-collision blocks (9).
3. An augmented reality based multimedia interactive education apparatus according to claim 1 further characterized in that: the bottom part of the device main body (1) is fixedly connected with a movable track (11).
4. An augmented reality based multimedia interactive education apparatus according to claim 1 further characterized in that: one side part of the universal wheel (7) is fixedly connected with a rubber anti-slip strip (12).
5. An augmented reality based multimedia interactive education apparatus according to claim 1 further characterized in that: the inner part of the waist-shaped hole (19) is fixedly connected with a fixing clamping strip (21).
6. An augmented reality based multimedia interactive education apparatus according to claim 1 further characterized in that: the dismounting device is formed by combining a dismountable plate (3) at the bottom, a clamping block (15) at the top of the dismountable plate (3), a fixed nut (16) inside the clamping block (15) and a sliding groove (17) in the middle of two sides of the fixed nut (16) together.
7. An augmented reality based multimedia interactive education apparatus according to claim 1 further characterized in that: the telescopic device (8) is formed by combining a guide cylinder (18) at the bottom, a waist-shaped hole (19) in the guide cylinder (18) and a positioning pin (20) in the waist-shaped hole (19) together.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482772.8U CN211649667U (en) | 2019-09-07 | 2019-09-07 | Multimedia interactive education equipment based on emphasized reality |
| LU101408A LU101408B1 (en) | 2019-09-07 | 2019-09-25 | A multimedia interactive teaching device based on reality emphasis |
| BE20195636A BE1027128B1 (en) | 2019-09-07 | 2019-09-25 | Interactive multimedia educational device based on augmented reality |
| NL2024082A NL2024082B1 (en) | 2019-09-07 | 2019-10-22 | Multimedia Interactive Teaching Device Based on Reality Emphasis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482772.8U CN211649667U (en) | 2019-09-07 | 2019-09-07 | Multimedia interactive education equipment based on emphasized reality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649667U true CN211649667U (en) | 2020-10-09 |
Family
ID=68073119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921482772.8U Active CN211649667U (en) | 2019-09-07 | 2019-09-07 | Multimedia interactive education equipment based on emphasized reality |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN211649667U (en) |
| BE (1) | BE1027128B1 (en) |
| LU (1) | LU101408B1 (en) |
| NL (1) | NL2024082B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114863738B (en) * | 2022-06-17 | 2023-12-08 | 岭南师范学院 | Live broadcast equipment for online education and application method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883121A (en) * | 2017-12-12 | 2018-04-06 | 王斯亭 | A kind of blind person's auxiliary reading device |
| CN108205933A (en) * | 2018-03-05 | 2018-06-26 | 四川乐为科技有限公司 | A kind of multimedia interaction educational facilities based on augmented reality |
| CN209357252U (en) * | 2018-06-27 | 2019-09-06 | 南京机电职业技术学院 | A kind of English teaching auxiliary device based on three-dimensional touch |
| CN109697896A (en) * | 2019-02-20 | 2019-04-30 | 马少斌 | A kind of AR teaching one-piece |
-
2019
- 2019-09-07 CN CN201921482772.8U patent/CN211649667U/en active Active
- 2019-09-25 LU LU101408A patent/LU101408B1/en active IP Right Grant
- 2019-09-25 BE BE20195636A patent/BE1027128B1/en not_active IP Right Cessation
- 2019-10-22 NL NL2024082A patent/NL2024082B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE1027128B1 (en) | 2020-10-12 |
| NL2024082A (en) | 2021-05-11 |
| NL2024082B1 (en) | 2022-01-11 |
| LU101408B1 (en) | 2021-03-12 |
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Effective date of registration: 20210805 Address after: 20106 No. 165 Zhongtao Road, Sigang Town, Songjiang District, Shanghai Patentee after: Shanghai dimian Technology Co.,Ltd. Address before: 201108 Room 101, building 6, No. 638, Guanghua Road, Minhang District, Shanghai Patentee before: SHANGHAI SAN EDUCATION EQUIPMENT GROUP Co.,Ltd. |