CN108847064A - A kind of novel electron commercial business teaching device - Google Patents
A kind of novel electron commercial business teaching device Download PDFInfo
- Publication number
- CN108847064A CN108847064A CN201810964562.6A CN201810964562A CN108847064A CN 108847064 A CN108847064 A CN 108847064A CN 201810964562 A CN201810964562 A CN 201810964562A CN 108847064 A CN108847064 A CN 108847064A
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- CN
- China
- Prior art keywords
- projector
- panel
- dust
- display screen
- projection cloth
- 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.)
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- 241001633942 Dais Species 0.000 claims abstract description 18
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 46
- 239000007787 solid Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of novel electron commercial business teaching devices, including dais and projecting subassembly, the dais includes operation panel and the turnover board cabinet connecting with operation panel end side, the operation panel is equipped with keyboard and the mouse positioned at keyboard side, the turnover board cabinet includes panel and the cabinet body positioned at panel bottom, the panel is equipped with opening, display screen is embedded with below the inside corresponding opening of the panel, the inside of the panel and be located at display screen periphery be equipped with cavity, the inside of the cavity is equipped with dust-proof mechanism compatible with display screen, the dust-proof mechanism includes drive roll, driven voller and dust-proof conveyer belt.The present invention is efficiently solved causes surface to be stained with dust because display screen is exposed, inconvenience cleaning, influence using the problem of, the student on the seat Nei Ge of classroom can be facilitated to watch, learn simultaneously, convenient for the development of teaching, quality of instruction ensure that, meet the needs of electronic commerce teaching.
Description
Technical field
The present invention relates to electronic commerce teaching technical field, specially a kind of novel electron commercial business teaching device.
Background technique
E-commerce typically refers in the extensive trade activity in all parts of the world, in the open network environment in internet
Under, it is based on browser/server application mode, both parties carry out various commercial activities with not meeting, realize the net of consumer
Online transaction and online e-payment and various commercial activitys, transaction, finance activities and phase between upper shopping, trade company
The novel commercial operation pattern of the movable one kind of the integrated service of pass.National governments, scholar, business people are according to locating for oneself
Status and to e-commerce participate in angle and degree difference, give many different definition.E-commerce is divided into：
ABC, B2B, B2C, C2C, B2M, M2C, B2A (i.e. B2G), C2A (i.e. C2G), 020 etc..Network marketing simultaneously is also e-commerce
A kind of product network marketing scheme is first carried out before doing and for network marketing, just have like that convenient for plan
Implementation.Currently, e-commerce is all the fashion and universal, in order to preferably carry out electronic commerce teaching, teaching is flat
Platform is generally required using multimedia teaching, therefore instructional device needs to install the multimedia equipments such as computer, display, and with throwing
Shadow instrument projects content on projection cloth for student viewing.
But the display screen of existing electronic commerce teaching device is generally naked state, is easy to be stained with dust, it has not been convenient to
Cleaning is influenced using and being shown only with single projector and projection cloth, impart knowledge to students, the problem of due to visual angle, lean in classroom
Before, two groups of students keeping to the side exist and be difficult to the case where seeing subtitle clearly, be unfavorable for the development of teaching, be not able to satisfy e-commerce
The demand of teaching.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of novel electron commercial business teaching device, electronics quotient is solved
The display screen of business instructional device is generally naked state, is easy to be stained with dust, it has not been convenient to clear up, influence using and only with list
A projector and projection cloth are shown, impart knowledge to students, and the problem of due to visual angle, it is difficult that two groups of students that are forward in classroom, keeping to the side exist
The case where to see subtitle clearly, the problem of being unfavorable for the development of teaching, be not able to satisfy electronic commerce teaching demand.
(2) technical solution
To achieve the above object, the present invention is achieved by the following technical programs：A kind of novel electron commercial business teaching dress
It sets, including dais and projecting subassembly, the dais includes operation panel and the turnover board cabinet connecting with operation panel end side, the behaviour
Make plate equipped with keyboard and the mouse positioned at keyboard side, the turnover board cabinet includes panel and the cabinet positioned at panel bottom
Body, the panel are equipped with opening, are embedded with display screen, the inside of the panel below the inside corresponding opening of the panel
And the periphery for being located at display screen is equipped with cavity, the inside of the cavity is equipped with dust-proof mechanism compatible with display screen, described anti-
Dirt mechanism includes drive roll, driven voller and dust-proof conveyer belt, and the dust-proof conveyer belt is connected on drive roll and driven voller, described
Drive roll and driven voller pass through first rotating shaft respectively and the second shaft is movably installed in the inside of panel and is correspondingly arranged in display
The both ends of screen, the drive roll is identical with the specification of driven voller and the distance length of top and bottom is greater than the height of display screen,
The inside of the panel is equipped with the servo motor that connect with first rotating shaft one end, the dust-proof conveyer belt include dust-proof coverage portion with
Interconnecting piece, there are two the interconnecting piece settings and is correspondingly connected to the both ends of drive roll and driven voller, and the dust-proof coverage portion connects
It is connected between two interconnecting pieces, the dust-proof coverage portion drives through servo motor, drive roll, driven voller and interconnecting piece cooperation transmission
When to the surface of display screen, the dust-proof coverage portion to display screen carry out it is full frame blocks, the panel is equipped with motor control
Button, the inside of the cabinet body are equipped with control host, and the projecting subassembly includes the first projector, the second projector, third throwing
Shadow instrument, the first projection cloth, the second projection cloth and third projection cloth, first projector, the second projector and third projector
The top at dais, first projection cloth, the second projection cloth and third projection are fixedly installed in by projector furred ceiling fixing piece
Cloth is set gradually from left to right in dais back side top and corresponding with the first projector, the second projector and third projector respectively
Setting, second projection cloth is just corresponding with dais, first projection cloth and the second projection cloth and the second projection cloth and the
Identical angle is formed between three projection cloths, and angle is 120 °, the keyboard, mouse, display screen, servo motor, motor control
Button, the first projector, the second projector and third projector are electrically connected with control host respectively.
Further, the top on the panel and positioned at motor control button is equipped with USB interface.
Further, the quantity of the USB interface is two.
Further, the inner wall of the panel is equipped with the bearing to match with first rotating shaft and the second shaft.
Further, the projector furred ceiling fixing piece includes the telescopic rod being fixed on the inner roof of classroom, is connected to
The connecting plate of telescopic rod bottom and be used to fasten the first projector, the second projector and the third connecting respectively with connecting plate are thrown
The mounting bracket of shadow instrument.
(3) beneficial effect
The present invention provides a kind of novel electron commercial business teaching devices, have following beneficial effect：
(1), the novel electron commercial business teaching device passes through drive roll, driven voller and dust-proof by the way that dust-proof mechanism is arranged
Conveyer belt is used cooperatively, after End-of-Course, by pressing the motor control button on panel, control host control servo electricity
Machine is started to work, and by being used cooperatively for first rotating shaft, drive roll, the second shaft and driven voller, is made dust-proof in dust-proof conveyer belt
Coverage portion is moved to above display screen, and full frame to display screen progress to block, efficiently solve causes surface to be stained with because display screen is exposed
Full dust, inconvenience cleaning, influence using the problem of.
(2), the novel electron commercial business teaching device passes through the first projector, the second projection by the way that projecting subassembly is arranged
Instrument, third projector, the first projection cloth, the second projection cloth and third projection cloth are equipped with, and the first projection cloth and second throws
120 ° of angles are formed between shadow cloth and between the second projection cloth and third projection cloth, can facilitate on the seat Nei Ge of classroom
Life is watched, is learnt, and convenient for the development of teaching, ensure that quality of instruction, meets the needs of electronic commerce teaching.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial sectional view of turnover board cabinet in the present invention；
Fig. 3 is the structural schematic diagram of dust-proof mechanism in the present invention.
In figure：1, dais；101, operation panel；102, turnover board cabinet；1021, panel；1022, cabinet body；2, projecting subassembly；
201, the first projector；202, the second projector；203, third projector；204, the first projection cloth；205, the second projection cloth；
206, third projection cloth；3, keyboard；4, mouse；5, it is open；6, display screen；7, cavity；8, dust-proof mechanism；801, drive roll；
802, driven voller；803, dust-proof conveyer belt；8031, dust-proof coverage portion；8032, interconnecting piece；9, first rotating shaft；10, the second shaft；
11, motor control button；12, host is controlled；13, projector furred ceiling fixing piece；14, USB interface；15, servo motor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution：A kind of novel electron commercial business teaching device, including dais 1
With projecting subassembly 2, the dais 1 includes operation panel 101 and the turnover board cabinet 102 connecting with 101 end side of operation panel, the behaviour
Make plate 101 equipped with keyboard 3 and the mouse 4 positioned at 3 side of keyboard, the turnover board cabinet 102 includes panel 1021 and is located at
The cabinet body 1022 of 1021 bottom of panel, the panel 1021 are equipped with opening 5, the inside corresponding opening 5 of the panel 1021
Lower section is embedded with display screen 6, the inside of the panel 1021 and periphery for being located at display screen 6 is equipped with cavity 7, the cavity 7
Inside is equipped with dust-proof mechanism 8 compatible with display screen 6, and the dust-proof mechanism 8 includes drive roll 801, driven voller 802 and dust-proof
Conveyer belt 803, the dust-proof conveyer belt 803 are connected on drive roll 801 and driven voller 802, the drive roll 801 and driven voller
802 are movably installed in the inside of panel 1021 and are correspondingly arranged in display screen 6 by first rotating shaft 9 and the second shaft 10 respectively
Both ends, the drive roll 801 is identical with the specification of driven voller 802 and the distance length of top and bottom is greater than the height of display screen 6
Degree, the inside of the panel 1021 are equipped with the servo motor 15 connecting with 9 one end of first rotating shaft, and the dust-proof conveyer belt 803 wraps
Dust-proof coverage portion 8031 and interconnecting piece 8032 are included, there are two the settings of interconnecting piece 8032 and is correspondingly connected to 801 He of drive roll
The both ends of driven voller 802, the dust-proof coverage portion 8031 are connected between two interconnecting pieces 8032, the dust-proof coverage portion 8031
It is driven through servo motor 15, when drive roll 801, driven voller 802 and the cooperation of interconnecting piece 8032 drive to the surface of display screen 6,
The dust-proof coverage portion 8031 to display screen 6 carry out it is full frame block, the panel 1021 be equipped with motor control button 11, it is described
The inside of cabinet body 1022 is equipped with control host 12, and the projecting subassembly 2 includes the first projector 201, the second projector 202, the
Three projectors 203, the first projection cloth 204, the second projection cloth 205 and third projection cloth 206, first projector 201, second
Projector 202 and third projector 203 are fixedly installed in the top at dais 1 by projector furred ceiling fixing piece 13, and described first
Projection cloth 204, the second projection cloth 205 and third projection cloth 206 be set gradually from left to right in 1 back side top of dais and respectively with
First projector 201, the second projector 202 and third projector 203 are correspondingly arranged, and second projection cloth 205 and dais 1 are just
It is corresponding, it is formed between first projection cloth 204 and the second projection cloth 205 and the second projection cloth 205 and third projection cloth 206
Identical angle, and angle is 120 °, the keyboard 3, mouse 4, display screen 6, servo motor 15, motor control button 11, first
Projector 201, the second projector 202 and third projector 203 are electrically connected with control host 12 respectively.
Specifically, the top on the panel 1021 and positioned at motor control button 11 is equipped with usb 14.
Specifically, the quantity of the usb 14 is two.
Specifically, the inner wall of the panel 1021 is equipped with the bearing to match with first rotating shaft 9 and the second shaft 10.
Specifically, the projector furred ceiling fixing piece 13 includes the telescopic rod being fixed on the inner roof of classroom, connection
In telescopic rod bottom connecting plate and respectively connect with connecting plate for fasten the first projector 201, the second projector 202
With the mounting bracket of third projector 203.
In use, by pressing the motor control button 11 on panel 1021, the control control of host 12 is watched before course starts
The start-up operation of motor 15 is taken, by being used cooperatively for first rotating shaft 9, drive roll 801, the second shaft 10 and driven voller 802, makes to prevent
Dust-proof coverage portion 8031 is moved to 6 lower section of display screen in dirt conveyer belt 803, then begins to use display screen 6, works as End-of-Course
Afterwards, by pressing the motor control button 11 on panel 1021, control host 12 controls servo motor 15 and works on, by the
One shaft 9, drive roll 801, the second shaft 10 and driven voller 802 are used cooperatively, and make dust-proof coverage portion in dust-proof conveyer belt 803
8031 are moved to the top of display screen 6, to display screen 6 carry out it is full frame block, efficiently solve causes surface to be stained with because display screen 6 is exposed
Full dust, inconvenience cleaning, influence using the problem of, in teaching process, by control host 12 control the first projector 201,
Second projector 202 and third projector 203 project simultaneously, see the student on the seat Nei Ge of classroom can on projection cloth clearly
Subtitle.
It can to sum up obtain, the present invention is efficiently solved causes surface to be stained with dust because display screen 6 is exposed, and inconvenience cleaning influences
The problem of use, while the student on the seat Nei Ge of classroom can be facilitated to watch, learn, convenient for the development of teaching,
It ensure that quality of instruction, meet the needs of electronic commerce teaching.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended, it should be noted that the electric appliance occurred in this article
Element is electrically connected with extraneous main controller and 220V alternating current, and main controller can play the conventionally known of control for computer etc.
Equipment.
Claims (5)
1. a kind of novel electron commercial business teaching device, including dais (1) and projecting subassembly (2), it is characterised in that：The dais
(1) the turnover board cabinet (102) for including operation panel (101) and being connect with operation panel (101) end side, on the operation panel (101)
Equipped with keyboard (3) and positioned at the mouse (4) of keyboard (3) side, the turnover board cabinet (102) includes panel (1021) and is located at
The cabinet body (1022) of panel (1021) bottom, the panel (1021) are equipped with opening (5), the inside pair of the panel (1021)
It should be open below (5) and be embedded with display screen (6), the inside of the panel (1021) and the periphery for being located at display screen (6) is equipped with
Cavity (7), the inside of the cavity (7) are equipped with display screen (6) compatible dust-proof mechanism (8), dust-proof mechanism (8) packet
Drive roll (801), driven voller (802) and dust-proof conveyer belt (803) are included, the dust-proof conveyer belt (803) is connected to drive roll
(801) and on driven voller (802), the drive roll (801) and driven voller (802) pass through first rotating shaft (9) and second turn respectively
Axis (10) is movably installed in the inside of panel (1021) and is correspondingly arranged in the both ends of display screen (6), the drive roll (801) and
The specification of driven voller (802) is identical and the distance length of top and bottom is greater than the height of display screen (6), the panel (1021)
Inside be equipped with the servo motor (15) that connect with first rotating shaft (9) one end, the dust-proof conveyer belt (803) includes dust-proof coverage
Portion (8031) and interconnecting piece (8032), the interconnecting piece (8032) setting there are two and be correspondingly connected to drive roll (801) and from
The both ends of dynamic roller (802), the dust-proof coverage portion (8031) are connected between two interconnecting pieces (8032), the dust-proof coverage portion
(8031) it is driven through servo motor (15), drive roll (801), driven voller (802) and interconnecting piece (8032) cooperation drive to display
When shielding the surface of (6), the dust-proof coverage portion (8031) is full frame to display screen (6) progress to be blocked, on the panel (1021)
Equipped with motor control button (11), the inside of the cabinet body (1022) is equipped with control host (12), and the projecting subassembly (2) includes
First projector (201), the second projector (202), third projector (203), the first projection cloth (204), the second projection cloth
(205) and third projection cloth (206), first projector (201), the second projector (202) and third projector (203) are logical
Cross the top that projector furred ceiling fixing piece (13) is fixedly installed in dais (1), first projection cloth (204), the second projection cloth
(205) and third projection cloth (206) be set gradually from left to right in dais (1) back side top and respectively with the first projector
(201), the second projector (202) and third projector (203) are correspondingly arranged, and second projection cloth (205) and dais (1) are just
Correspondence, first projection cloth (204) and the second projection cloth (205) and the second projection cloth (205) and third projection cloth (206)
Between form identical angle, and angle is 120 °, the keyboard (3), mouse (4), display screen (6), servo motor (15), motor
Control button (11), the first projector (201), the second projector (202) and third projector (203) respectively with control host
(12) it is electrically connected.
2. a kind of novel electron commercial business teaching device according to claim 1, it is characterised in that：On the panel (1021)
And the top for being located at motor control button (11) is equipped with USB interface (14).
3. a kind of novel electron commercial business teaching device according to claim 2, it is characterised in that：The USB interface (14)
Quantity be two.
4. a kind of novel electron commercial business teaching device according to claim 1, it is characterised in that：The panel (1021)
Inner wall is equipped with the bearing to match with first rotating shaft (9) and the second shaft (10).
5. a kind of novel electron commercial business teaching device according to claim 1, it is characterised in that：The projector furred ceiling is solid
Determine part (13) include the telescopic rod being fixed on the inner roof of classroom, the connecting plate for being connected to telescopic rod bottom and respectively and even
The mounting bracket for being used to fasten the first projector (201), the second projector (202) and third projector (203) of fishplate bar connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964562.6A CN108847064A (en) | 2018-08-23 | 2018-08-23 | A kind of novel electron commercial business teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964562.6A CN108847064A (en) | 2018-08-23 | 2018-08-23 | A kind of novel electron commercial business teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108847064A true CN108847064A (en) | 2018-11-20 |
Family
ID=64188468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810964562.6A Pending CN108847064A (en) | 2018-08-23 | 2018-08-23 | A kind of novel electron commercial business teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108847064A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110766987A (en) * | 2019-10-17 | 2020-02-07 | 浙江更土电子商务有限公司 | Multimedia platform |
| CN111554161A (en) * | 2020-06-15 | 2020-08-18 | 重庆电子工程职业学院 | Experiment platform for electromechanical control detection |
| CN111564106A (en) * | 2020-05-27 | 2020-08-21 | 刘巧龙 | A diversified display device for domestic advertisement design |
| CN112879769A (en) * | 2021-01-12 | 2021-06-01 | 福州外语外贸学院 | Multi-screen display device for information technology teaching and use method thereof |
| CN113732002A (en) * | 2020-05-29 | 2021-12-03 | 厦门大学 | Multifunctional automatic detection platform based on machine vision technology |
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| CN204467370U (en) * | 2015-03-26 | 2015-07-15 | 吴胜辉 | A kind of novel electron commercial business teaching dais |
| CN105450162A (en) * | 2015-12-08 | 2016-03-30 | 苏州华安普电力科技股份有限公司 | Solar photovoltaic power generation panel with protection apparatus |
| CN206292994U (en) * | 2016-11-08 | 2017-06-30 | 谢姝君 | A kind of novel electron commercial business teaching device |
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|---|---|---|---|---|
| CN204229759U (en) * | 2014-09-25 | 2015-03-25 | 安徽天瞳智能科技有限公司 | A kind of dust-protection type industrial display |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110766987A (en) * | 2019-10-17 | 2020-02-07 | 浙江更土电子商务有限公司 | Multimedia platform |
| CN111564106A (en) * | 2020-05-27 | 2020-08-21 | 刘巧龙 | A diversified display device for domestic advertisement design |
| CN113732002A (en) * | 2020-05-29 | 2021-12-03 | 厦门大学 | Multifunctional automatic detection platform based on machine vision technology |
| CN111554161A (en) * | 2020-06-15 | 2020-08-18 | 重庆电子工程职业学院 | Experiment platform for electromechanical control detection |
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| CN112879769A (en) * | 2021-01-12 | 2021-06-01 | 福州外语外贸学院 | Multi-screen display device for information technology teaching and use method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |