CN112709907A - AR-based mobile computer teaching instrument - Google Patents
AR-based mobile computer teaching instrument Download PDFInfo
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- CN112709907A CN112709907A CN202011626694.1A CN202011626694A CN112709907A CN 112709907 A CN112709907 A CN 112709907A CN 202011626694 A CN202011626694 A CN 202011626694A CN 112709907 A CN112709907 A CN 112709907A
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- 238000000034 method Methods 0.000 claims abstract description 3
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 244000309464 bull Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/06—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted retractably
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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
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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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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- 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
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B17/00—Screening
-
- 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
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/024—Locking means for rotational movement by positive interaction, e.g. male-female connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention provides an AR-based mobile computer teaching instrument which comprises a groove plate, a mounting seat, a rotating rod and a cylinder, wherein the mounting seat is in clearance fit with the inside of the groove plate, the rotating rod is fixedly connected to the bottom end of the mounting seat, the outer wall of the rotating rod is movably connected with the groove plate, the cylinder is fixedly connected to four corners of the lower surface of the groove plate, and a containing mechanism is arranged inside the cylinder. Through the baffle, the threaded pin, the nut, a spring, the cooperation of connecting rod and gyro wheel, gyro wheel and ground separation when the connecting rod is accomodate in the drum simultaneously, the phenomenon that whole mechanism rocked in preventing operation process takes place, through the threaded rod, a bearing, the carousel, the cooperation of prism section of thick bamboo and roof, the student who makes things convenient for different positions observes, be favorable to using widely, through the shell, the bolt, the use of apron and round pin axle etc., when not using the teaching appearance, can be with the outer wall of shell cover together, the apron seals the shell top, prevent that the instrument is impaired.
Description
Technical Field
The invention relates to the technical field of computer teaching instruments, in particular to a mobile computer teaching instrument based on AR.
Background
Augmented reality, AR for short, is a technology for calculating the position and angle of a camera image in real time and adding a corresponding image, is a new technology for seamlessly integrating real world information and virtual world information, aims to sleeve the virtual world on a screen in the real world and perform interaction, and has application in a mobile computer teaching instrument.
A portable computer teaching appearance based on AR among the prior art, when using, because the area of contact of gyro wheel and ground is little, whole mechanism takes place to rock easily, leads to whole mechanism's practicality to descend, and inconvenient student's observation lacks the protection to being in the same place after finishing with using, hardly satisfies people to the user demand of portable computer teaching appearance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide a mobile computer teaching instrument based on AR, which has the technical problem that the practicability of the whole mechanism is reduced because the contact area between a roller and the ground is small and the whole mechanism is easy to shake when in use.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a portable computer teaching appearance based on AR, includes frid, mount pad, bull stick and drum, the inside clearance fit of frid has the mount pad, the bottom rigid coupling of mount pad has the bull stick, the outer wall and the frid activity of bull stick link to each other, the equal rigid coupling in lower surface four corners of frid has the drum, the internally mounted of drum has receiving mechanism.
The receiving mechanism comprises a baffle plate, a threaded pin, a nut, a spring, a connecting rod and a roller.
It is a plurality of the outer wall of baffle all with drum clearance fit, the outer wall rigid coupling of baffle has the screw thread round pin, the outer wall of screw thread round pin runs through drum and nut threaded connection, the outer wall and the drum clearance fit of screw thread round pin, the upper surface laminating of baffle has the spring, the outer wall and the drum clearance fit of spring, the top and the frid of spring laminate mutually, the bottom rigid coupling of baffle has the connecting rod, the bottom that the drum was run through to the bottom of connecting rod links to each other with the gyro wheel activity, the outer wall and the drum clearance fit of connecting rod.
The upper surface rigid coupling of mount pad has places the board, the bottom rigid coupling of frid has the link, the inside rigid coupling of link has leads positive board, the inside clearance fit of mount pad has the bolt, the bottom of bolt closely laminates with the inside recess of frid.
And a supporting mechanism is arranged in the connecting frame.
The supporting mechanism comprises a threaded rod, a bearing, a rotary table, a prismatic cylinder and a top plate.
The outer wall of the threaded rod is movably connected with the connecting frame through a bearing, a rotary table is fixedly connected to the top end of the threaded rod, a prismatic cylinder is in threaded connection with the outer wall of the threaded rod, a guide plate is fixedly connected to the bottom end of the prismatic cylinder in a penetrating mode, and the outer wall of the prismatic cylinder is in clearance fit with the guide plate.
The threaded rod is perpendicular to the rotary table.
And a protection mechanism is arranged on the outer wall of the placing plate.
The protection mechanism comprises a shell, a bolt, a cover plate and a pin shaft.
The outer wall of shell and the outer wall clearance fit who puts the thing board, the inside threaded connection of shell has the bolt, and is a plurality of the outer wall of bolt all runs through the shell and puts thing board threaded connection, the apron is installed on the top of shell, the outer wall of apron links to each other with the shell activity through the round pin axle.
The cover plates are symmetrically distributed about the housing.
The invention has the beneficial effects that:
through the cooperation of baffle, threaded pin, nut, spring, connecting rod and gyro wheel, stability when setting up the increase overall structure of four gyro wheels and removing, gyro wheel and ground separation when the drum is accomodate to the connecting rod simultaneously prevent that the phenomenon that overall structure rocked from taking place in the operation process, increase overall structure's practicality.
Through the cooperation of threaded rod, bearing, carousel, prism and roof, the threaded rod rotates and drives the prism and reciprocate in leading the positive board, and the roof can promote the height of whole mechanism with the laminating of ground, makes things convenient for the student of different positions to observe, is favorable to using widely.
Through the use of shell, bolt, apron and round pin axle etc. when not using the teaching instrument, can seal the outer wall of shell cover together, apron top, prevent that the instrument is impaired, satisfy the user demand of people to portable computer teaching instrument greatly.
Drawings
FIG. 1 is a schematic structural diagram of the present design;
FIG. 2 is a schematic view of the structure of the receiving mechanism and the cylinder of the present design;
FIG. 3 is a schematic structural view of the supporting mechanism and the connecting frame of the present design;
fig. 4 is a schematic view of the connection structure of the connection part of the groove plate, the mounting seat and the bolt.
In the figure: 1. the device comprises a groove plate, 2, a mounting seat, 3, a rotating rod, 4, a cylinder, 5, a receiving mechanism, 501, a baffle plate, 502, a threaded pin, 503, a nut, 504, a spring, 505, a connecting rod, 506, a roller, 6, a supporting mechanism, 601, a threaded rod, 602, a bearing, 603, a rotating disc, 604, a prismatic cylinder, 605, a top plate, 7, a protection mechanism, 701, a shell, 702, a bolt, 703, a cover plate, 704, a pin shaft, 8, a placing plate, 9, a connecting frame, 10, a guide plate, 11 and a bolt.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: a mobile computer teaching instrument based on AR, see fig. 1-4.
The mobile computer teaching instrument based on the AR comprises a groove plate 1, a mounting seat 2, a rotating rod 3 and a cylinder 4, wherein the mounting seat 2 is in clearance fit with the inside of the groove plate 1, the rotating rod 3 is fixedly connected to the bottom end of the mounting seat 2, the outer wall of the rotating rod 3 is movably connected with the groove plate 1, the rotating rod 3 is movably connected with the groove plate 1 through a bearing, the cylinder 4 is fixedly connected to four corners of the lower surface of the groove plate 1, a containing mechanism 5 is arranged inside the cylinder 4, the containing mechanism 5 comprises a baffle 501, a threaded pin 502, a nut 503, a spring 504, a connecting rod 505 and a roller 506, the outer walls of the four baffles 501 are in clearance fit with the cylinder 4, the threaded pin 502 is fixedly connected with the outer wall of the baffle 501, the threaded pin 502 drives the threaded pin 502 to move on the outer wall of the cylinder 4, the outer wall of the threaded pin 502 penetrates through the cylinder 4 to be in threaded connection with the nut 503, the outer wall of the threaded pin, the outer wall and the cylinder 4 clearance fit of spring 504, the top of spring 504 is laminated with frid 1 mutually, the bottom rigid coupling of baffle 501 has connecting rod 505, the bottom of connecting rod 505 is passed through pivot and gyro wheel 506 activity and is linked to each other, the bottom of connecting rod 505 runs through the bottom of cylinder 4 and is linked to each other with gyro wheel 506 activity, the outer wall and the cylinder 4 clearance fit of connecting rod 505, connecting rod 505 can reciprocate in cylinder 4, the upper surface rigid coupling of mount pad 2 has places board 8, the top of placing board 8 is installed and is taught the appearance, the bottom rigid coupling of frid 1 has link 9, the inside rigid coupling of link 9 has leading positive board 10, the inside processing of leading positive board 10 has the prismatic through-hole, the inside clearance fit of mount pad 2 has bolt 11, the bottom of bolt 11 closely laminates with the inside recess of frid 1, bolt 11 inserts and prevents that mount pad 2 from rotating in the recess of frid 1.
The supporting mechanism 6 is installed inside the connecting frame 9, the supporting mechanism 6 comprises a threaded rod 601, a bearing 602, a rotating disc 603, a prismatic cylinder 604 and a top plate 605, the outer wall of the threaded rod 601 is movably connected with the connecting frame 9 through the bearing 602, the threaded rod 601 rotates in the connecting frame 9 through the bearing 602, the top end of the threaded rod 601 is fixedly connected with the rotating disc 603, the outer wall of the threaded rod 601 is in threaded connection with the prismatic cylinder 604, the threaded rod 601 drives the prismatic cylinder 604 to move along the front guide plate 10, the bottom end of the prismatic cylinder 604 penetrates through the front guide plate 10 to be fixedly connected with the top plate 605, the outer wall of the prismatic cylinder 604 is in clearance fit with the front guide plate 10, the threaded rod 601 is perpendicular to the rotating disc 603, and.
Place the outer wall of board 8 and install protection machanism 7, protection machanism 7 includes shell 701, bolt 702, apron 703 and round pin axle 704, shell 701's outer wall and the outer wall clearance fit who puts thing board 8, shell 701's internal thread is connected with bolt 702, six bolt 702's outer wall all runs through shell 701 and puts thing board 8 threaded connection, bolt 702 runs through shell 701 and carries out the rigidity to shell 701 in inserting the recess that puts thing board 8, apron 703 is installed on shell 701's top, the outer wall of apron 703 passes through round pin axle 704 and shell 701 swing joint, apron 703 rotates through round pin axle 704, apron 703 is about shell 701 symmetric distribution, two apron 703 place the top at shell 701, prevent that the teaching appearance in the shell 701 from damaging.
When the computer teaching instrument is used, firstly, the cover plate 703 is opened, the rotating bolt 702 is separated from the object placing plate 8, the shell 701 is moved downwards on the outer wall of the object placing plate 8, the teaching instrument at the top end of the object placing plate 8 is exposed after the shell 701 falls down, the mounting seat 2 is driven to rotate by the rotation of the rotating rod 3 in the groove plate 1, so that students in different directions can conveniently observe the teaching instrument, when the whole mechanism needs to be moved, the rotating nut 503 is separated from the threaded pin 502, the baffle 501 and the connecting rod 505 are driven to move downwards in the cylinder 4 under the elastic force of the spring 504, the connecting rod 505 drives the roller 506 to be attached to the ground, the threaded pin 502 is screwed again by the nut 503 to fix the position of the connecting rod 505, the rotating turntable 603 drives the threaded rod 601 to rotate in the connecting frame 9 through the bearing 602, the threaded rod 601 rotates to drive the prismatic cylinder 604 to move along the outer wall of the front guide plate 10, the whole mechanism is driven by the roller 506 to move, so that the use is convenient.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (6)
1. A mobile computer teaching instrument based on AR comprises a groove plate (1), a mounting seat (2), a rotating rod (3) and a cylinder (4), wherein the mounting seat (2) is in clearance fit with the inner part of the groove plate (1), the rotating rod (3) is fixedly connected to the bottom end of the mounting seat (2), the outer wall of the rotating rod (3) is movably connected with the groove plate (1), and the cylinders (4) are fixedly connected to four corners of the lower surface of the groove plate (1); the method is characterized in that: a storage mechanism (5) is arranged in the cylinder (4);
the accommodating mechanism (5) comprises a baffle plate (501), a threaded pin (502), a nut (503), a spring (504), a connecting rod (505) and a roller (506);
it is a plurality of the outer wall of baffle (501) all with drum (4) clearance fit, the outer wall rigid coupling of baffle (501) has threaded pin (502), the outer wall of threaded pin (502) runs through drum (4) and nut (503) threaded connection, the outer wall and drum (4) clearance fit of threaded pin (502), the upper surface laminating of baffle (501) has spring (504), the outer wall and drum (4) clearance fit of spring (504), the top and the frid (1) of spring (504) laminate mutually, the bottom rigid coupling of baffle (501) has connecting rod (505), the bottom that drum (4) was run through to the bottom of connecting rod (505) links to each other with gyro wheel (506) activity, the outer wall and drum (4) clearance fit of connecting rod (505).
2. A mobile computer teaching instrument based on AR as claimed in claim 1 wherein: the upper surface rigid coupling of mount pad (2) has places board (8), the bottom rigid coupling of frid (1) has link (9), the inside rigid coupling of link (9) has leading positive board (10), the inside clearance fit of mount pad (2) has bolt (11), the bottom of bolt (11) closely laminates with the inside recess of frid (1).
3. A mobile computer teaching instrument based on AR as claimed in claim 2 wherein: a supporting mechanism (6) is arranged in the connecting frame (9);
the supporting mechanism (6) comprises a threaded rod (601), a bearing (602), a turntable (603), a prismatic cylinder (604) and a top plate (605);
the outer wall of the threaded rod (601) is movably connected with the connecting frame (9) through a bearing (602), the top end of the threaded rod (601) is fixedly connected with a rotating disc (603), the outer wall of the threaded rod (601) is in threaded connection with a prismatic cylinder (604), the bottom end of the prismatic cylinder (604) penetrates through the front guide plate (10) and is fixedly connected with the top plate (605), and the outer wall of the prismatic cylinder (604) is in clearance fit with the front guide plate (10).
4. A mobile computer teaching instrument based on AR as claimed in claim 3 wherein: the threaded rod (601) is perpendicular to the rotary disc (603).
5. A mobile computer teaching instrument based on AR as claimed in claim 2 wherein: a protection mechanism (7) is arranged on the outer wall of the placing plate (8);
the protection mechanism (7) comprises a shell (701), a bolt (702), a cover plate (703) and a pin shaft (704);
the outer wall of shell (701) and the outer wall clearance fit who puts thing board (8), the inside threaded connection of shell (701) has bolt (702), and is a plurality of the outer wall of bolt (702) all runs through shell (701) and puts thing board (8) threaded connection, apron (703) are installed on the top of shell (701), the outer wall of apron (703) passes through round pin axle (704) and links to each other with shell (701) activity.
6. The AR-based mobile computer teaching instrument of claim 5 wherein: the cover plates (703) are symmetrically distributed about the housing (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626694.1A CN112709907A (en) | 2020-12-31 | 2020-12-31 | AR-based mobile computer teaching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626694.1A CN112709907A (en) | 2020-12-31 | 2020-12-31 | AR-based mobile computer teaching instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112709907A true CN112709907A (en) | 2021-04-27 |
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ID=75547631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626694.1A Pending CN112709907A (en) | 2020-12-31 | 2020-12-31 | AR-based mobile computer teaching instrument |
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| Country | Link |
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| CN (1) | CN112709907A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3124856U (en) * | 2006-06-20 | 2006-08-31 | 聯力工業股▲分▼有限公司 | Computer housing panel cover |
| CN106764302A (en) * | 2017-03-14 | 2017-05-31 | 杨仲辉 | A kind of AR display screens easy to use and method |
| CN108167615A (en) * | 2017-12-28 | 2018-06-15 | 郑州巍瀚信息科技有限公司 | A kind of Outdoor Augmented Reality System |
| US20190203875A1 (en) * | 2017-12-29 | 2019-07-04 | Hong Fu Jin Precision Industry (Wuhan) Co., Ltd. | Displayer base with displayer elevating device |
| CN209130426U (en) * | 2018-09-19 | 2019-07-19 | 郑祖发 | A kind of Surveying Engineering frame |
| CN209892985U (en) * | 2019-03-26 | 2020-01-03 | 申帅 | Display is used in electronic commerce teaching management convenient to adjust |
| CN209947110U (en) * | 2019-03-07 | 2020-01-14 | 河南汉源实业有限公司 | Teaching all-in-one machine |
| CN210616431U (en) * | 2019-09-27 | 2020-05-26 | 焦霁 | Portable workstation of electronic engineering |
-
2020
- 2020-12-31 CN CN202011626694.1A patent/CN112709907A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3124856U (en) * | 2006-06-20 | 2006-08-31 | 聯力工業股▲分▼有限公司 | Computer housing panel cover |
| CN106764302A (en) * | 2017-03-14 | 2017-05-31 | 杨仲辉 | A kind of AR display screens easy to use and method |
| CN108167615A (en) * | 2017-12-28 | 2018-06-15 | 郑州巍瀚信息科技有限公司 | A kind of Outdoor Augmented Reality System |
| US20190203875A1 (en) * | 2017-12-29 | 2019-07-04 | Hong Fu Jin Precision Industry (Wuhan) Co., Ltd. | Displayer base with displayer elevating device |
| CN209130426U (en) * | 2018-09-19 | 2019-07-19 | 郑祖发 | A kind of Surveying Engineering frame |
| CN209947110U (en) * | 2019-03-07 | 2020-01-14 | 河南汉源实业有限公司 | Teaching all-in-one machine |
| CN209892985U (en) * | 2019-03-26 | 2020-01-03 | 申帅 | Display is used in electronic commerce teaching management convenient to adjust |
| CN210616431U (en) * | 2019-09-27 | 2020-05-26 | 焦霁 | Portable workstation of electronic engineering |
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Application publication date: 20210427 |
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| RJ01 | Rejection of invention patent application after publication |