CN113175608A - Rotatable computer teaching display screen with shading function - Google Patents
Rotatable computer teaching display screen with shading function Download PDFInfo
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- CN113175608A CN113175608A CN202110517944.6A CN202110517944A CN113175608A CN 113175608 A CN113175608 A CN 113175608A CN 202110517944 A CN202110517944 A CN 202110517944A CN 113175608 A CN113175608 A CN 113175608A
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- display screen
- shading
- storage
- computer teaching
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
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
- F16M11/20—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
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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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
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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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
- F16M11/36—Members preventing slipping of the feet
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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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1603—Arrangements to protect the display from incident light, e.g. hoods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a rotatable computer teaching display screen with a shading function, which relates to the teaching field and comprises a containing box, a display screen containing assembly and a shading containing assembly, wherein the display screen containing assembly and the shading containing assembly are arranged in the containing box; the shading retracting mechanism is connected with the integral accommodating mechanism, the shading retracting mechanism can be completely accommodated in the accommodating box by the integral accommodating mechanism, and the shading accommodating mechanism can shade the display screen. According to the invention, the display screen can be applied and stored by arranging the display screen storage component, the shading storage component can have a function of shading the display screen, so that the problem that the display screen is difficult to view due to external sunlight irradiating on the display screen can be avoided, and the shading storage component can also be stored when not in use, so that the device has small occupied area after being stored, is convenient to carry and use.
Description
Technical Field
The invention relates to the field of teaching, in particular to a rotatable computer teaching display screen with a shading function.
Background
The computer specialty is a wide-caliber specialty which is combined by computer hardware and software and is oriented to a system and emphasizes application. Through basic teaching and professional training, the method cultures high-level talents with solid basic knowledge, wide knowledge range, strong engineering practice capability, development and innovation consciousness and is used for scientific research, education, development and application in the field of computer science and technology.
In the teaching process of computer major education, computer teaching display screens are often needed, general teaching display screens are fixed on a platform or a wall, and in the long-term teaching practice process, when students watch the teaching display screens, the students difficultly see the contents of the display screens clearly when the students irradiate the teaching display screens, so that the rotatable computer teaching display screens with the shading function are provided to solve the problems.
Disclosure of Invention
The invention provides a rotatable computer teaching display screen with a shading function, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rotatable computer teaching display screen with a shading function comprises a containing box, a display screen containing assembly and a shading containing assembly, wherein the display screen containing assembly and the shading containing assembly are arranged in the containing box;
the shading retracting mechanism is connected with the integral accommodating mechanism, the shading retracting mechanism can be completely accommodated in the accommodating box by the integral accommodating mechanism, and the shading accommodating mechanism can shade the display screen.
As a preferred technical scheme of the invention, the display screen storage assembly comprises a second storage groove formed in the storage box, the second storage groove is used for storing the display screen, a first-stage sinking groove is formed in the second storage groove, a second sliding seat is connected in the first-stage sinking groove in a sliding manner, the second sliding seat is rotatably connected with a telescopic rod, a rotating seat is fixedly connected to the center of the back of the display screen, and the telescopic end of the telescopic rod is rotatably connected with the rotating seat.
As a preferred technical scheme of the invention, a secondary sinking groove is formed in the second sliding seat, a supporting frame is rotatably connected in the secondary sinking groove, and a positioning mechanism is arranged in the secondary sinking groove.
As a preferable technical scheme of the invention, the positioning mechanism comprises a locking bolt in threaded connection with the second sliding seat, and locking teeth corresponding to the bolt are arranged in the first-stage sinking groove.
As a preferred technical solution of the present invention, the integral storage mechanism includes storage cavities provided at two sides in the storage box, a fixed rail is provided in the storage cavities, the fixed rail is slidably connected to a first slide seat, a rotating base is slidably provided in the first slide seat, the rotating base is penetrated and rotatably connected to a rotating shaft, two ends of the rotating shaft are fixedly connected to side sliding blocks, and the side sliding blocks are slidably connected to the first slide seat.
As a preferred technical scheme of the invention, the shading retraction mechanism comprises an installation sleeve fixedly connected to a rotating base, the installation sleeve is rotatably connected with a storage barrel, the storage barrel is rotatably connected with two retraction rollers, a curtain is wound outside the retraction rollers, one end of the curtain is fixedly connected with the retraction rollers, the other end of the curtain penetrates through the storage barrel and is fixedly connected with an end rod, and a support rod is connected between the two end rods.
As a preferable technical scheme of the invention, the stay bar is provided with a slot corresponding to the stay bar, and a clockwork spring is connected between the wind-up roll and the storage barrel.
The invention has the following advantages: according to the invention, the display screen can be applied and stored by arranging the display screen storage component, the shading storage component can have a function of shading the display screen, so that the problem that the display screen is difficult to view due to external sunlight irradiating on the display screen can be avoided, and the shading storage component can also be stored when not in use, so that the device has small occupied area after being stored, is convenient to carry and use.
Drawings
Fig. 1 is a schematic structural diagram of a rotatable computer teaching display screen with a shading function.
Fig. 2 is a schematic view of the front structure of a light-shielding retracting mechanism in a rotatable computer teaching display screen with a light-shielding function.
Fig. 3 is a schematic diagram of a rear structure of a light-shielding retracting mechanism in a rotatable computer teaching display screen with a light-shielding function.
FIG. 4 is a top view of a light blocking retracting mechanism in a rotatable computer teaching display with light blocking.
FIG. 5 is a schematic view of a configuration of an end bar in a rotatable computer teaching display screen with a light blocking function.
FIG. 6 is a schematic structural diagram of a display screen receiving assembly in a rotatable computer teaching display screen with a shading function.
In the figure: 1. a storage box; 2. a telescopic rod; 3. a rotating seat; 4. a display panel; 5. a first slider; 6. a storage cylinder; 7. a curtain; 8. an end rod; 9. a support frame; 10. a stopper; 11. a card sleeve; 12. an end cap; 13. a side port; 14. a stay bar; 15. rotating the base; 16. installing a sleeve; 17. a rotating shaft; 18. a side slider; 19. a wind-up roll; 20. a slot; 21. a first receiving groove; 22. a second receiving groove; 23. a primary sink tank; 24. a second slide carriage; 25. mounting grooves; 26. a secondary sinking tank; 27. a positioning mechanism; 28. a locking tooth.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-6, a rotatable computer teaching display screen with a shading function comprises a storage box 1, a display screen storage assembly and a shading storage assembly, wherein the display screen storage assembly and the shading storage assembly are arranged in the storage box 1, the display screen storage assembly is connected with a display screen, and the shading storage assembly comprises an integral storage mechanism and a shading retraction mechanism;
the shading retracting mechanism is connected with the integral accommodating mechanism, the shading retracting mechanism can be completely accommodated in the accommodating box 1 by the integral accommodating mechanism, and the display screen can be shaded by the shading accommodating mechanism.
The display screen storage assembly comprises a second storage groove 22 arranged on the storage box 1, the second storage groove 22 is used for storing a display screen, a first-level sinking groove 23 is formed in the second storage groove 22, a second sliding seat 24 is connected in the first-level sinking groove 23 in a sliding mode, a telescopic rod 2 is connected on the second sliding seat 24 in a rotating mode, a central fixedly connected with of the back of the display screen rotates the base 3, and the telescopic end of the telescopic rod 2 rotates the base 3 to be connected.
In an embodiment, the telescopic link 2 can adopt the electric telescopic handle 2, can realize the regulation to the display screen height through adjusting flexible length, has fastening bolt at telescopic link 2 and the junction through connection who rotates seat 3, utilizes fastening bolt can adjust the installation angle of display screen.
In one embodiment, an outer cover is fastened to one side of the storage box 1 located in the second storage slot 22, and a handle is fixedly connected to the outside of the storage box 1, so that the device can be conveniently carried after being stored.
In an embodiment, the storage box 1 is far away from one side of the second storage groove 22 and is connected with the placing seat in a rotating manner, and when the display screen needs to be rotated, the storage box 1 is pushed to rotate so as to drive the display screen to rotate.
A second-stage sinking groove 26 is formed in the second slide seat 24, the support frame 9 is rotatably connected in the second-stage sinking groove 26, a stop block 10 corresponding to the support frame 9 is fixedly arranged on the side edge of the telescopic rod 2, the telescopic rod 2 can be kept in a vertical state by utilizing the support frame 9 and the stop block 10, and a positioning mechanism 27 is arranged in the second-stage sinking groove 26. The positioning mechanism 27 comprises a locking bolt screwed to the second slide 24, and a locking tooth 28 corresponding to the bolt is arranged in the primary sunken groove 23. When locking is performed, the locking bolt is rotated to abut against the locking teeth 28, so that the second slide 24 is positioned, and the position of the display screen is adjusted.
Whole receiving mechanism is equipped with the fixed rail including seting up the chamber of accomodating of both sides in containing box 1 in, accomodates the intracavity, and sliding connection has first slide 5 on the fixed rail, and it is equipped with rotating base 15 to slide in first slide 5, runs through and swivelling joint axis of rotation 17 on the rotating base 15, the equal fixed connection side slide 18 in both ends of axis of rotation 17, side slide 18 and first slide 5 sliding connection. First slide 5 with slide to accomodating outside the chamber, the one end of first slide 5 is arranged in and is accomodate the intracavity and place the tip of fixed rail this moment, when hiding light, rotating base 15 is in the horizontality, when accomodating, rotating base 15 is in vertical state, utilizes axis of rotation 17 can realize rotating base 15 switching between two kinds of states.
The shading retracting mechanism comprises an installation sleeve 16 fixedly connected to the rotating base 15, the installation sleeve 16 is connected with the storage barrel 6 in a rotating mode, the storage barrel 6 is connected with two winding rollers 19 in a rotating mode, a curtain 7 is wound outside the winding rollers 19, one end of the curtain 7 is fixedly connected with the winding rollers 19, the other end of the curtain 7 penetrates through the storage barrel 6 and is fixedly connected with the end rod 8, the side opening 13 corresponding to the curtain 7 is formed in the side edge of the storage barrel 6, and a support rod 14 is connected between the two end rods 8.
In one embodiment, the end bar 8 has a first receiving groove 21 formed therein along a longitudinal direction thereof corresponding to the stay 14, and the stay 14 is received in the first receiving groove 21 when not in use. Furthermore, the end of the storage tube 6 remote from the attachment sleeve 16 is screwed to the end cap 12, and the structure inside the storage tube 6 can be maintained by unscrewing the end cap 12.
The stay bar 14 is provided with a slot 20 corresponding to the stay bar 14, and a clockwork spring is connected between the wind-up roll 19 and the storage barrel 6. The wind-up roll 19 is driven to rotate when the stop curtain 7 is pulled, so that the spring is tightened, and when the stop curtain 7 is loosened, the wind-up roll 19 is reversely rotated and reset by the resilience force of the spring, so that the stop curtain 7 is wound again.
Example 2
Referring to fig. 1 to 6, the other contents of the present embodiment are the same as embodiment 1, except that: the equal fixedly connected with cutting ferrule 11 in both ends of containing box 1, cutting ferrule 11 includes two jack catchs, the equal fixedly connected with pressure spring in adjacent side of two jack catchs, one side fixed connection chucking clamp plate that pressure spring kept away from the jack catch has the rubber sleeve in the outside cladding of jack catch, and pressure spring and chucking clamp plate all are located the rubber sleeve, when using, erects containing cylinder 6 and then presses to cutting ferrule 11 in, and the chucking clamp plate that utilizes pressure spring compresses tightly fixedly with containing cylinder 6.
When using the display screen and carrying out the shading operation, at first pulling display panel 4 makes it shift out from second accomodate the groove 22, then rotate display panel 4 and make it vertical setting, adjust the flexible length of telescopic link 2, utilize strut 9 to support the side of telescopic link 2, then pull out storage cylinder 6 from accomodating the intracavity, until first slide 5 slides outside storage box 1, then erect storage cylinder 6 and block in to cutting ferrule 11, pull out two tip poles 8 from storage cylinder 6 again, utilize vaulting pole 14 to insert and strut curtain 7 between two tip poles 8, realize the shading operation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A rotatable computer teaching display screen with a shading function comprises a containing box and is characterized by further comprising a display screen containing assembly and a shading containing assembly, wherein the display screen containing assembly and the shading containing assembly are arranged in the containing box;
the shading retracting mechanism is connected with the integral accommodating mechanism, the shading retracting mechanism can be completely accommodated in the accommodating box by the integral accommodating mechanism, and the shading accommodating mechanism can shade the display screen.
2. The rotatable computer teaching display screen with the shading function according to claim 1, wherein the display screen storage assembly comprises a second storage groove opened on the storage box, the second storage groove is used for storing the display screen, a first-level sink groove is formed in the second storage groove, a second sliding seat is slidably connected in the first-level sink groove, a telescopic rod is rotatably connected to the second sliding seat, a rotating seat is fixedly connected to the center of the back of the display screen, and a telescopic end of the telescopic rod is rotatably connected to the rotating seat.
3. The rotatable computer teaching display screen with shading function of claim 2, wherein the second slide base is provided with a second-stage sinking groove, the second-stage sinking groove is rotatably connected with the support frame, and a positioning mechanism is arranged in the second-stage sinking groove.
4. The rotatable computer teaching display screen with shading function of claim 3 wherein the positioning mechanism comprises a locking bolt screwed to the second slide, and the first-level sink groove is provided with a locking tooth corresponding to the bolt.
5. The rotatable computer teaching display screen with the shading function according to claim 1, wherein the integral storage mechanism comprises storage cavities opened at two sides in the storage box, a fixed rail is arranged in each storage cavity, a first sliding seat is connected to the fixed rail in a sliding manner, a rotating base is arranged in the first sliding seat in a sliding manner, a rotating shaft penetrates through the rotating base and is connected to the rotating base in a rotating manner, side sliding blocks are fixedly connected to two ends of the rotating shaft, and the side sliding blocks are connected to the first sliding seat in a sliding manner.
6. The rotatable computer teaching display screen with shading function according to claim 5, wherein the shading retraction mechanism comprises a mounting sleeve fixedly connected to the rotating base, the mounting sleeve is rotatably connected to the receiving barrel, two winding rollers are rotatably connected in the receiving barrel, a curtain is wound around the outer portion of each winding roller, one end of the curtain is fixedly connected to the winding roller, the other end of the curtain penetrates through the receiving barrel and is fixedly connected to an end rod, and a support rod is connected between the two end rods.
7. The rotatable computer teaching display screen with the shading function according to claim 6, wherein the stay bar is provided with a slot corresponding to the stay bar, and a spring is connected between the wind-up roll and the storage barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517944.6A CN113175608A (en) | 2021-05-12 | 2021-05-12 | Rotatable computer teaching display screen with shading function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517944.6A CN113175608A (en) | 2021-05-12 | 2021-05-12 | Rotatable computer teaching display screen with shading function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175608A true CN113175608A (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110517944.6A Pending CN113175608A (en) | 2021-05-12 | 2021-05-12 | Rotatable computer teaching display screen with shading function |
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| Country | Link |
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| CN (1) | CN113175608A (en) |
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| CN205581726U (en) * | 2016-04-22 | 2016-09-14 | 华北理工大学 | Solar protection devices for computer display |
| CN208781130U (en) * | 2018-11-08 | 2019-04-23 | 王旭华 | A kind of rotatable computer teaching display screen with shade function |
| CN109737278A (en) * | 2019-03-12 | 2019-05-10 | 江苏航运职业技术学院 | A kind of rotatable computer teaching display screen with shade function |
| CN210324721U (en) * | 2019-05-16 | 2020-04-14 | 杨梅 | Folding display device is used in information technology teaching |
| CN111402718A (en) * | 2020-04-03 | 2020-07-10 | 重庆电子工程职业学院 | Adjustable propaganda device based on computer and use method thereof |
| CN211149327U (en) * | 2019-12-30 | 2020-07-31 | 宿迁学院 | Computer display prevents diffuse scattering shade |
| CN212306352U (en) * | 2020-04-18 | 2021-01-08 | 山东同康农业开发有限公司 | Tremella cultivation room with illumination and humidity control structure |
| CN212592819U (en) * | 2020-05-09 | 2021-02-26 | 中国人民解放军东部战区总医院 | Sick bed shield cover for department of infectious diseases |
-
2021
- 2021-05-12 CN CN202110517944.6A patent/CN113175608A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020158967A1 (en) * | 2001-04-27 | 2002-10-31 | International Business Machines Corporation | Privacy filter apparatus for a notebook computer display |
| CN2542512Y (en) * | 2002-05-30 | 2003-04-02 | 林渡民 | Safety sunshade light box of cars |
| CN101694145A (en) * | 2009-04-28 | 2010-04-14 | 胥红 | Rolling rod shelter curtain as well as stretching and supporting method of rolling rod thereof |
| CN205581726U (en) * | 2016-04-22 | 2016-09-14 | 华北理工大学 | Solar protection devices for computer display |
| CN208781130U (en) * | 2018-11-08 | 2019-04-23 | 王旭华 | A kind of rotatable computer teaching display screen with shade function |
| CN109737278A (en) * | 2019-03-12 | 2019-05-10 | 江苏航运职业技术学院 | A kind of rotatable computer teaching display screen with shade function |
| CN210324721U (en) * | 2019-05-16 | 2020-04-14 | 杨梅 | Folding display device is used in information technology teaching |
| CN211149327U (en) * | 2019-12-30 | 2020-07-31 | 宿迁学院 | Computer display prevents diffuse scattering shade |
| CN111402718A (en) * | 2020-04-03 | 2020-07-10 | 重庆电子工程职业学院 | Adjustable propaganda device based on computer and use method thereof |
| CN212306352U (en) * | 2020-04-18 | 2021-01-08 | 山东同康农业开发有限公司 | Tremella cultivation room with illumination and humidity control structure |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210727 |
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| RJ01 | Rejection of invention patent application after publication |