CN108962013A - A kind of computer multimedia teaching device - Google Patents
A kind of computer multimedia teaching device Download PDFInfo
- Publication number
- CN108962013A CN108962013A CN201810812557.3A CN201810812557A CN108962013A CN 108962013 A CN108962013 A CN 108962013A CN 201810812557 A CN201810812557 A CN 201810812557A CN 108962013 A CN108962013 A CN 108962013A
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- display screen
- installs case
- mounting shell
- roller shutter
- dust
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- 238000005096 rolling process Methods 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 230000008676 import Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000007717 exclusion Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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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
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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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a kind of computer multimedia teaching devices, including pedestal, storing board and display screen mounting shell, base top is provided with rotary electric machine, the output end of rotary electric machine is fixed with installs case, display screen mounting shell is rotatably mounted in installs case, display screen is installed on display screen mounting shell, it is longitudinally arranged in installs case to have the first electric telescopic rod, the telescopic end of first electric telescopic rod and display screen mounting shell are hinged, first annular slot is provided on pedestal, installs case is provided with the second annular groove, first annular slot, ball and the second annular groove, which are formed, rolls cooperation.Instructional device of the invention is vdiverse in function, is able to carry out the operations such as long-range monitoring, heat dissipation and dedusting, increases the diversity of apparatus function；Device internal environment can be dusted, and dust is collected, avoid pollution environment, improve the ability and capability of environmental protection of the dedusting of device；It is able to carry out angular adjustment；Dust-proof rolling curtain is conducive to improve the dust-proof effect inside display screen and device.
Description
Technical field
The present invention relates to a kind of instructional device, in particular to a kind of computer multimedia teaching device.
Background technique
With the development of science and technology the application field of computer and internet just constantly extends, computer is substantially common
It is popularized in people's lives.Computer produces extremely important influence to people's production activity and social activities, past and now
The application field for all just developing rapidly with strong vitality it has covered each of society from initial military research application
A aspect had formd huge computer industry already, had driven the technological progress of global range every field, caused
Deep social change.In school, computer and its application it is even more universal.
The Chinese utility model patent of Publication No. CN206601739U discloses a kind of computer remote education teaching dress
It sets, including pedestal and device noumenon, the pedestal is fixedly installed in the bottom end of device noumenon, and described device ontology is cavity knot
Structure, is equipped with the movable plate being vertically arranged in described device ontology, the side of the movable plate be respectively equipped with the first wireless transceiver,
Camera and display screen are additionally provided with horizontally disposed rotor plate in described device ontology, and the top two sides of the rotor plate are pacified
Piston rod equipped with cylinder, and cylinder is fixedly connected with movable plate.Had the disadvantage that in above-mentioned patent design structure it is simple,
It has a single function, heat-sinking capability is poor, and it is inconvenient to adjust, and dirt exclusion capabilities are poor.And above-mentioned patent not can solve problems, therefore, urgently
A kind of new computer multimedia teaching device need to be invented.
Summary of the invention
It is simple for design structure existing for computer multimedia teaching device in the prior art, have a single function, heat radiation energy
Power is poor, and it is inconvenient to adjust, and the technical problem of dirt exclusion capabilities difference, the present invention provides a kind of computer multimedia teaching device.
Technical scheme is as follows:
A kind of computer multimedia teaching device, including pedestal, storing board and display screen mounting shell, the base top are set
It is equipped with rotary electric machine, the output end of the rotary electric machine is fixed with installs case, and the display screen mounting shell is rotatably mounted in
In installs case, display screen is installed on the display screen mounting shell, it is longitudinally arranged in the installs case to have the first electric expansion
Bar, the telescopic end and display screen mounting shell of the first electric telescopic rod are hinged, and the periphery on the pedestal in rotary electric machine is provided with
First annular slot is correspondingly provided with the second annular groove in the bottom of the installs case, first annular slot and the second annular groove it
Between be provided with ball, first annular slot, ball and the second annular groove, which are formed, rolls cooperation.
Further, which further includes wireless transceiver, described wireless by remotely receiving
The signal that transceiver issues, remotely controls device.
Further, which further includes camera, and the camera is for student
Habit state is remotely monitored.
Further, it is additionally provided with roller shutter case at the top of the installs case, rotatable roller shutter is provided in roller shutter case and is turned
Moving axis is wound with dust-proof rolling curtain in the roller shutter rotation axis, meanwhile, it is additionally provided with the roller shutter electricity for driving rotation axis to rotate
Machine, and can control the processor of the rolling motor, is provided with roller shutter import at the top of the installs case, inside the installs case
It is additionally provided with the second electric pushrod, the telescopic end of second electric pushrod is connected with dust-proof rolling curtain, makes dust-proof rolling curtain second
It pulls out or withdraws under the driving of electric pushrod.
Further, outside roller shutter case, rotatable roller is installed in parallel with the roller shutter rotation axis, it is described anti-
Dust devil curtain is pulled out or is withdrawn from the roller shutter import after roller shutter rotation axis and roller.
Further, the top in the installs case is additionally provided with tilted-putted dedusting fan, the outlet air of the dedusting fan
Side of the side towards display screen mounting shell far from display screen；The installs case bottom is provided with arc panel, and the bottom of installs case
Outside is provided with arc dust collecting groove, and arc panel bottom margin and arc dust collecting groove top edge seamlessly transit.
Further, several heat release holes are provided on the display screen mounting shell, and display screen mounting shell is far from display screen
Side is provided with heat emission fan.
Further, it is fixed with base box below the pedestal, storing board, base box inner wall is provided in the base box
It is provided with sliding rail, the side of the storing board is provided with pulley, realizes storing board by the pulley and being slidably matched for sliding rail
Push-and-pull relative to base box.
Further, the bottom of the base box is provided with bearing plate, and the bottom of bearing plate is provided with non-slip mat.
Beneficial effects of the present invention are as follows:
1, by camera, the setting of heat emission fan, dedusting fan and wireless transceiver, so that apparatus structure is abundant, function is more
Sample is able to carry out the operations such as long-range monitoring, heat dissipation and dedusting, increases the diversity of apparatus function.
2, it by heat emission fan, the setting of arc panel and arc dust collecting groove, enables a device to device internal environment
It is dusted, and dust is collected, avoid pollution environment, improve the ability and capability of environmental protection of the dedusting of device.
3, it by the setting of rotary electric machine, ball, hinge and the first electric telescopic rod, enables a device to carry out device
Angular adjustment enables student to see the content of display screen display clearly, improves the regulating power of device.
4, it by the setting of dedusting fan, roller shutter case, dust-proof rolling curtain and the second electric telescopic rod, enables a device to fall anti-
Dust devil curtain, it is dust-proof to being carried out inside display screen and device, increase the dirt exclusion capabilities of device.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of computer multimedia teaching device proposed by the present invention；
Fig. 2 is a kind of base box overlooking structure diagram of computer multimedia teaching device proposed by the present invention；
Fig. 3 is a kind of roller shutter case top view cross section structural schematic diagram of computer multimedia teaching device proposed by the present invention；
Fig. 4 is a kind of side, sectional structural schematic diagram of computer multimedia teaching device proposed by the present invention；
Fig. 5 is a kind of partial enlargement structural representation of computer multimedia teaching device proposed by the present invention.
In figure: 1 pedestal, 2 installs cases, 3 first bearings, 4 display screen mounting shells, 5 dedustings, 6 rolling motors, 7 roller shutter casees, 8
Camera, 9 wireless transceivers, 10 first connecting shafts, 11 display screens, 12 second annular grooves, 13 first annular slots, 14 storing boards,
15 non-slip mats, 16 bearing plates, 17 base boxes, 18 keyboards, 19 mouse pads, 20 sliding rails, 21 pulleys, 22 dust-proof rolling curtains, 23 rollers, 24
Roller bearings mounting rack, 25 second bearings, 26 roller shutter rotation axis, 27 processors, 28 link blocks, 29 second electric telescopic rods, 30
Roller shutter import, 31 first electric telescopic rods, 32 hinges, 33 heat emission fans, 34 arc panels, 35 arc dust collecting grooves.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig.1-5, a kind of computer multimedia teaching device, including pedestal 1, storing board 14 and display screen mounting shell 4,
1 top exterior walls of pedestal are provided with the first groove, and the first bottom portion of groove inner wall has been bolted rotary electric machine, rotary electric machine
Output shaft one end is welded with installs case 2, and 2 side inner wall of installs case is provided with the second groove equidistantly distributed, and in the second groove
Wall is welded with first bearing 3, and 4 two sides outer wall of display screen mounting shell is welded with the first connecting shaft 10, and the first connecting shaft 10
Side outer wall is mutually welded with 3 side inner wall of first bearing.
As shown in figure 5,2 top exterior walls of installs case have been bolted roller shutter case 7, enable a device to fall anti-dust devil
Curtain, it is dust-proof to being carried out inside display screen 11 and device, the dirt exclusion capabilities of device are increased, and 7 side inner wall of roller shutter case is welded with
The second bearing 25 equidistantly distributed, 25 side inner wall of second bearing are welded with the horizontal positioned roller shutter rotation axis 26 of same root,
And roller shutter rotation axis 26 is wound with dust-proof rolling curtain 22,2 side outer wall of installs case is welded with horizontal positioned transverse slat, and at the top of transverse slat
Outer wall has been bolted rolling motor 6 and processor 27, and the dust-proof rolling curtain 22 put down is withdrawn roller shutter case 7 by rolling motor 6
In, 4 side outer wall of display screen mounting shell has been bolted display screen 11, and logical at the top of 4 side outer wall of display screen mounting shell
It crosses bolt and is fixed with wireless transceiver 9, enable a user to using the long-range control display screen 11 of wireless transceiver 9 and use
Device, is convenient for remote teaching, and 2 side inner wall of installs case has been bolted tilted-putted dedusting fan 5, and installs case 2 one
Side outer wall is welded with the first electric telescopic rod 31 equidistantly distributed, side outer wall of the display screen mounting shell 4 far from display screen 11
It is bolted the hinge 32 equidistantly distributed, and 32 side outer wall of hinge is mutually welded with 31 one end of the first electric telescopic rod
It connects.
As shown in figure 3,6 output shaft one end of rolling motor is mutually welded with 26 one end of roller shutter rotation axis, and 2 top of installs case is outer
Wall is provided with roller shutter import 30, and the specification of roller shutter import 30 is adapted with the specification of dust-proof rolling curtain 22, the welding of 2 top exterior walls of installs case
There is the roller bearings mounting rack 24 equidistantly distributed, and the bearing inner wall of roller bearings mounting rack 24 is welded with the same level and puts
The roller 23 set, roller shutter rotation axis 26, dust-proof rolling curtain 22 and roller 23 form rotation connection, and dust-proof rolling curtain 22 is located at installs case 2
Internal one end has been bolted link block 28, and 2 top exterior walls of installs case are bolted the equidistantly distributed
Two electric telescopic rods 29, and 29 bottom outer wall of the second electric telescopic rod is welded with 28 phase of link block, 2 top inner wall of installs case passes through
Bolt is fixed with mounting base for camera head, and mounting base for camera head side outer wall has been bolted camera 8, so that user
The learning state for being monitored student that can be long-range.
As shown in figure 4,2 bottom interior wall of installs case has been bolted arc panel 34, and 2 side outer wall of installs case passes through
Bolt is fixed with arc dust collecting groove 35, and 34 bottom position of arc panel is in same with 35 top position of arc dust collecting groove
On horizontal line, enables a device to be dusted device internal environment, and dust is collected, avoid pollution environment, improve
The ability and capability of environmental protection of the dedusting of device, 4 side outer wall of display screen mounting shell is provided with the heat release hole equidistantly distributed, and shows
Shield mounting shell 4 and be bolted heat emission fan 33 far from the side outer wall of display screen 11,1 top exterior walls of pedestal are provided with the first ring
Shape slot 13, and the ball equidistantly distributed is placed in first annular slot 13,2 bottom outer wall of installs case is provided with the second annular groove
12, the diameter of first annular slot 13, ball and the second annular groove 12 is all the same, and first annular slot 13, ball and the second annular
Slot 12, which is formed, rolls cooperation.
As shown in Fig. 2, 1 bottom outer wall of pedestal has been bolted base box 17, and 17 side inner wall of base box passes through
Bolt is fixed with the sliding rail 20 equidistantly distributed, and 14 two sides outer wall of storing board is bolted the pulley equidistantly distributed
21, the specification of pulley 21 is adapted with the specification of sliding rail 20, and pulley 21 is slidably matched with the formation of sliding rail 20,14 top of storing board
Outer wall has been bolted keyboard 18 and mouse pad 19, and 17 bottom outer wall of base box has been bolted bearing plate 16, and
16 bottom outer wall of bearing plate has been bolted non-slip mat 15, rotary electric machine, rolling motor 6, display screen 11, wireless transceiver
9, dedusting fans the 5, first electric telescopic rod 31, the second electric telescopic rod 29 and camera 8 and is connected with switch by conducting wire, and opens
Pass is connected by signal wire with the signal input part of processor 27, the model ARM9TDMI of processor 27.
In use, user can be by remotely receiving the signal of the sending of wireless transceiver 9, to carry out to device long-range
Control, camera 8 enable a user to remotely monitor the learning state of student, and user controls the first electric expansion
The retracted position of bar 31, by controlling the working condition of rotary electric machine, reaches control to control the tilt angle of display screen 11
The effect of 2 unitary rotation driving display screen 11 of installs case rotation, heat emission fan 33 work, radiate to device, and 5 works are fanned in dedusting
Make, dust is blown off, and is divided into arc dust collecting groove 35 and is removed by arc panel 34, and user pulls out storing board 14, sliding
Wheel 21 moves on sliding rail 22, carries out shirtsleeve operation, when using finishing, the second electric expansion to device by mouse and keyboard
Bar 29 is flexible, and dust-proof rolling curtain 22 is driven to decline, and generates dust-proof effect to device, in use, rolling motor 6 rotates, second is electronic
Telescopic rod 29 is shunk, so that roller shutter rotation axis 26 inverts, so that dust-proof rolling curtain 22 is recovered in roller shutter case 7.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of computer multimedia teaching device, it is characterised in that: described including pedestal, storing board and display screen mounting shell
Base top is provided with rotary electric machine, and the output end of the rotary electric machine is fixed with installs case, and the display screen mounting shell can revolve
It is installed in installs case with turning, display screen is installed on the display screen mounting shell, it is longitudinally arranged in the installs case to have the
One electric telescopic rod, the telescopic end and display screen mounting shell of the first electric telescopic rod are hinged, in rotary electric machine on the pedestal
Periphery is provided with first annular slot, and the bottom of the installs case is correspondingly provided with the second annular groove, first annular slot and
Ball is provided between second ring slot, first annular slot, ball and the second annular groove, which are formed, rolls cooperation.
2. computer multimedia teaching device according to claim 1, it is characterised in that: further include wireless transceiver, lead to
It crosses and remotely receives the signal that the wireless transceiver issues, device is remotely controlled.
3. computer multimedia teaching device according to claim 1, it is characterised in that: it further include camera, it is described to take the photograph
As head is for remotely monitoring the learning state of student.
4. computer multimedia teaching device as claimed in any of claims 1 to 3, it is characterised in that: the peace
It is additionally provided with roller shutter case at the top of vanning, rotatable roller shutter rotation axis is provided in roller shutter case, is twined in the roller shutter rotation axis
It is wound with dust-proof rolling curtain, meanwhile, it is additionally provided with the rolling motor for driving rotation axis to rotate, and can control the rolling motor
Processor, be provided with roller shutter import at the top of the installs case, the second electric pushrod be additionally provided with inside the installs case, it is described
The telescopic end of second electric pushrod is connected with dust-proof rolling curtain, and dust-proof rolling curtain is made to pull out or receive under the driving of the second electric pushrod
It returns.
5. computer multimedia teaching device according to claim 4, it is characterised in that: and described outside roller shutter case
Roller shutter rotation axis is equipped with rotatable roller in parallel, and the dust-proof rolling curtain is after roller shutter rotation axis and roller from the roller shutter
Import is pulled out or is withdrawn.
6. computer multimedia teaching device as claimed in any of claims 1 to 3, it is characterised in that: the peace
Top in vanning is additionally provided with tilted-putted dedusting fan, and the air side of the dedusting fan is towards display screen mounting shell far from aobvious
The side of display screen；The installs case bottom is provided with arc panel, and the bottom outside of installs case is provided with arc dust collecting groove,
Arc panel bottom margin and arc dust collecting groove top edge seamlessly transit.
7. the computer multimedia teaching device as claimed in any of claims 1 to 3, it is characterised in that:
Several heat release holes are provided on the display screen mounting shell, and display screen mounting shell is provided with heat emission fan far from the side of display screen.
8. the computer multimedia teaching device as claimed in any of claims 1 to 3, it is characterised in that:
It is fixed with base box below the pedestal, storing board is provided in the base box, base box inner wall is provided with sliding rail, described to deposit
The side for putting plate is provided with pulley, realizes storing board pushing away relative to base box by the pulley and being slidably matched for sliding rail
It draws.
9. computer multimedia teaching device according to claim 8, it is characterised in that: the bottom of the base box is arranged
There is bearing plate, the bottom of bearing plate is provided with non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812557.3A CN108962013A (en) | 2018-07-23 | 2018-07-23 | A kind of computer multimedia teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812557.3A CN108962013A (en) | 2018-07-23 | 2018-07-23 | A kind of computer multimedia teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108962013A true CN108962013A (en) | 2018-12-07 |
Family
ID=64464388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810812557.3A Pending CN108962013A (en) | 2018-07-23 | 2018-07-23 | A kind of computer multimedia teaching device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108962013A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973773A (en) * | 2019-03-14 | 2019-07-05 | 合肥清若科技有限公司 | A kind of computer display of automatic controlled height and elevation-depression angle |
| CN110364039A (en) * | 2019-07-11 | 2019-10-22 | 湖南城市学院 | A kind of networking teaching device |
| CN110769628A (en) * | 2019-10-25 | 2020-02-07 | 江苏安正光电科技有限公司 | Protective frame for display screen |
| CN111311978A (en) * | 2020-03-17 | 2020-06-19 | 浙江知管通网络科技有限公司 | Demonstration device convenient to adjust for computer network development |
| CN111508354A (en) * | 2019-07-16 | 2020-08-07 | 友达光电股份有限公司 | Display device |
| CN112133218A (en) * | 2020-10-20 | 2020-12-25 | 西安工业大学 | Visual vision display device is tracked to data |
| CN112628554A (en) * | 2020-12-23 | 2021-04-09 | 深圳市越华晖实业有限公司 | Liquid crystal display with protective structure |
| CN114489247A (en) * | 2021-12-31 | 2022-05-13 | 中国民用航空飞行学院 | Big data analysis is computing equipment for service convenient to installation |
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| CN206546644U (en) * | 2017-03-01 | 2017-10-10 | 刘宗全 | A kind of historical teaching Graphic Panel of convenient teaching |
| CN206574377U (en) * | 2017-03-01 | 2017-10-20 | 广州市东方园林城市景观策划建设有限公司 | A kind of Hengqin ocean kingdom designs sand table |
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