CN108561730A - A kind of meeting room projection arrangement easy to adjust - Google Patents
A kind of meeting room projection arrangement easy to adjust Download PDFInfo
- Publication number
- CN108561730A CN108561730A CN201810192992.0A CN201810192992A CN108561730A CN 108561730 A CN108561730 A CN 108561730A CN 201810192992 A CN201810192992 A CN 201810192992A CN 108561730 A CN108561730 A CN 108561730A
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- Prior art keywords
- cavity
- telescopic rod
- meeting room
- projection arrangement
- downside
- 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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- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 6
- 210000003323 beak Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of meeting room projection arrangements easy to adjust, including mounting bracket, regulating tank is offered on the downside of mounting bracket, the right end of regulating tank is provided with first motor, the output end of first motor is provided with the first threaded rod, it is provided with sliding seat on first threaded rod, the downside left and right ends of sliding seat are provided with is connected with protective cover with regulating tank left and right ends, lifting gear is provided on the downside of sliding seat, lifting gear includes supporting rod and telescopic rod, the lower end of telescopic rod is connected with connecting seat, driving box is stretched out in the lower end of swingle, the lower end of swingle is connected with projecting apparatus by the first rotating seat, the upside right end of projecting apparatus is provided with the second rotating seat, it is connected with electric telescopic rod on second rotating seat, the other end of electric telescopic rod is connect by the second rotating seat with swingle.The configuration of the present invention is simple, easy to use, repair easy to disassemble, it is safe, it is convenient for the angles and positions of regulating device, high degree of automation.
Description
Technical field
The present invention relates to projection arrangement technical field, specifically a kind of meeting room projection arrangement easy to adjust.
Background technology
Meeting room, the room of confession under directions meeting can be used for holding academic report, meeting, training, organization activity and reception
Guest etc., general meeting room functional areas include rostrum, audience area and speech area.Part meeting room is not distinguished clearly then,
As roundtable conference room with meet with formula meeting room.The type of arrangement in meeting-place can be standardized, can also be personalized.Meeting
The display equipment of room is divided into two parts, and one is projection behind rostrum（Or back projection TV）, it is responsible for delegate participating in the conference and carries
It is shown for the image in this meeting-place, one is TV before rostrum.Image capture device is also classified into two groups, and main camera is mounted on
Meeting center court, acquires rostrum image in real time, and another group of panoramic camera is mounted on meeting room right front portion, is carried out to meeting-place panorama
Shooting.Two groups of video cameras should be controlled video camera, can be controlled by video conferencing equipment.Loud speaker is before and after meeting room
Each installation is a pair of, in order to obtain better sound effect, it is desirable that at least one meter away from wall and television set.
Projecting apparatus be it is a kind of the profile of workpiece is amplified using optical element, and the optics instrument being projected on shadow screen
Device.It can make profile measurement with transmitted light, it is also possible to the surface shape and observation piece surface of reflected light measurement blind hole.Projection
The particularly suitable measurement complex outline of instrument and tiny workpiece, as clock and watch part, punching parts, electronic component, model, mold, screw thread,
Gear and molding cutter etc., checkability is high, easy to use;It is widely used in measuring room, workshop, to instrument and meter and clock
Table row industry is especially suitable.Projecting apparatus, also known as projector are a kind of equipment that can be projected image or video on curtain, can
Corresponding vision signal is played to be connected by the different same computers of interface, VCD, DVD, BD, game machine, DV etc..Now
Projection arrangement, installation site fixes, and height is fixed, is not only not easy to adjust, when breaking down, it is also necessary to worker climb into
Row detachable maintaining, it is not only very time-consuming and laborious, but also have certain risk.
Invention content
The purpose of the present invention is to provide a kind of meeting room projection arrangements easy to adjust, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of meeting room projection arrangement easy to adjust, including mounting bracket offer regulating tank on the downside of the mounting bracket, institute
The right end for stating regulating tank is provided with first motor, and the output end of the first motor is provided with the first threaded rod, first spiral shell
The left end of rasp bar is rotatably connected with regulating tank, and sliding seat, the downside left and right ends of the sliding seat are provided on the first threaded rod
It is provided with and is connected with protective cover with regulating tank left and right ends, lifting gear, the lifting gear packet are provided on the downside of sliding seat
Supporting rod and telescopic rod are included, the inside of the supporting rod offers telescopic cavity, and the inner upper end of the telescopic cavity is provided with second
Motor, the output end of second motor are provided with the second threaded rod, and the telescopic rod is internally provided with thread cavity, and described
Two threaded rods are threadedly coupled with thread cavity, and the telescopic rod and telescopic cavity are square structure, the telescopic rod and telescopic cavity
Cross section size and shape all same, the length of the telescopic rod are more than the length of telescopic cavity, and the lower end of telescopic rod is connected with
The inside of joint chair, the connecting seat offers cavity, and the upper end of the cavity is provided with inclined surface, is provided on the inclined surface
The interior lower end of at least one locating ring, cavity is provided with position-limiting drum, and position-limiting drum is internally provided with limit chamber, the position-limiting drum
Outside be provided with extruding spring, the upper end of connecting seat offers the through-hole being inserted into for telescopic rod, is provided on the left of connecting seat
The dismantling mouth being connected to cavity is provided with dust cover on the dismantling mouth, and the lower end of connecting seat is provided with driving box, the driving
The lower end of case is provided with third motor, and the output end of the third motor is provided with swivel plate, the downside or so of the swivel plate
It is symmetrically arranged with support column, the lower end of the support column is provided with the runner that setting is contradicted with driving box, the downside of swivel plate
Centre is provided with swingle, and driving box is stretched out in the lower end of the swingle, and the lower end of swingle is connected with by the first rotating seat
The upside right end of projecting apparatus, the projecting apparatus is provided with the second rotating seat, and electric telescopic rod is connected on second rotating seat,
The other end of the electric telescopic rod is connect by the second rotating seat with swingle.
As a further solution of the present invention：The left and right ends of the mounting bracket are symmetrically arranged with mounting plate.
As a further solution of the present invention：Mounting hole is offered on the mounting plate.
As a further solution of the present invention：The protective cover is Telescopic dustproof cover.
As a further solution of the present invention：The upside of the sliding seat and the upper end sliding of regulating tank are arranged.
As a further solution of the present invention：Described one end for squeezing spring and the lower end of cavity connect, and squeeze spring
The other end is contradicted with locating ring to be arranged.
As further scheme of the invention：There are two the locating ring settings, and the centre of two locating rings is provided with
For telescopic rod by circular hole.
Compared with prior art, the beneficial effects of the invention are as follows：The setting of lifting gear not only can conveniently adjust projection
The height of device can also reduce the height of projection arrangement when needing repairing so that worker need not climb can be into
Row detachable maintaining, it is not only time saving and energy saving, but also safety is improved, the structure setting of mounting bracket facilitates and adjusts projection arrangement
Front and back position meets different use demands, and is provided with protective cover, can be protected to the first threaded rod, prevents
One threaded rod is influenced by dust, is improved the service life used, the structure setting of connecting seat, and when installation, the lower end of telescopic rod is inserted
Enter in the cavity in connecting seat, end is inserted into positioning tube, and locating ring inclined conflict under the action of squeezing spring is tilting
On face, and telescopic rod is locked, you can installation is completed, will not be loosened, it is logical using screwdriver or other things when dismounting
It crosses dismantling mouth locating ring sets right, you can the locking to telescopic rod is released, dismounting is completed, such setting is easy for assemble or unload,
It is time saving and energy saving, it is convenient for the repair in later stage.The setting of third motor and electric telescopic rod solves existing multi-media classroom and throws
Shadow instrument can not automatically adjust the problem of angle, which has the advantages of automatic adjustment angle, goes out when projector projects
When picture deviates projection cloth, user can be convenient for adjust, enhance the practicability of the projecting apparatus.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of lifting gear.
Fig. 3 is the structural schematic diagram of connecting seat.
Specific implementation mode
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 describes, 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.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of meeting room projection arrangement easy to adjust, including mounting bracket
1, the left and right ends of the mounting bracket 1 are symmetrically arranged with mounting plate 2, and mounting hole 3, the peace are offered on the mounting plate 2
The downside for shelving 1 offers regulating tank 4, and the right end of the regulating tank 4 is provided with first motor 5, the output of the first motor 4
End is provided with the first threaded rod 6, and the left end of first threaded rod 6 is rotatably connected with regulating tank 4, is arranged on the first threaded rod 6
There are sliding seat 7, the upside of the sliding seat 7 to be arranged with the upper end sliding of regulating tank 4, the downside left and right ends of the sliding seat 7
It is provided with and is connected with protective cover with 4 left and right ends of regulating tank, the protective cover is Telescopic dustproof cover, and the structure of mounting bracket 18 is set
It sets, facilitates the front and back position for adjusting projection arrangement, meet different use demands, and be provided with protective cover, it can be to first
Threaded rod 6 is protected, and is prevented the first threaded rod 6 from being influenced by dust, is improved the service life used.
The downside of sliding seat 7 is provided with lifting gear 8, and the lifting gear 8 includes supporting rod 20 and telescopic rod 21, described
The inside of supporting rod 20 offers telescopic cavity 22, and the inner upper end of the telescopic cavity 22 is provided with the second motor 23, and described second
The output end of motor 23 is provided with the second threaded rod 24, and the telescopic rod 21 is internally provided with thread cavity 25, second spiral shell
Rasp bar 24 is threadedly coupled with thread cavity 25, and the telescopic rod 21 and telescopic cavity 22 are square structure, the telescopic rod 21 with stretch
The cross section size and shape all same of contracting chamber 22, the length of the telescopic rod 21 are more than the length of telescopic cavity 22, lifting gear 8
Setting, not only can conveniently adjust the height of projection arrangement, when needing repairing, the height of projection arrangement can also be dropped
It is low so that worker, which need not climb, can be carried out detachable maintaining, not only time saving and energy saving, but also improve safety.
The lower end of telescopic rod 21 is connected with connecting seat 9, and the inside of the connecting seat 9 offers cavity 26, the cavity 26
Upper end be provided with inclined surface, at least one locating ring 32 is provided on the inclined surface, the interior lower end of cavity 26 is provided with
Position-limiting drum 28, position-limiting drum 28 are internally provided with limit chamber 29, and the outside of the position-limiting drum 28, which is provided with, squeezes spring 27, connection
The upper end of seat 9 offers the through-hole being inserted into for telescopic rod 21, and the left side of connecting seat 9 is provided with the dismantling mouth being connected to cavity 26
30, dust cover 31 is provided on the dismantling mouth 30, described one end for squeezing spring 27 is connect with the lower end of cavity 26, extruding bullet
The other end of spring 27 is contradicted with locating ring 32 to be arranged, and there are two the settings of the locating ring 32, the intermediate setting of two locating rings 32
Have for telescopic rod 21 by circular hole.The structure setting of connecting seat 9, when installation, the lower end of telescopic rod 21 is inserted into connecting seat 9
In cavity 26, end is inserted into positioning tube 28, and locating ring 32 is inclined under the action of squeezing spring 27 to be contradicted on inclined surface,
And telescopic rod 21 is locked, you can complete installation, will not loosen, when dismounting, passed through using screwdriver or other things
Dismantling mouth 30 sets right locating ring 32, you can releases the locking to telescopic rod 21, completes dismounting, such setting, installing and dismounting
It is convenient, it is time saving and energy saving, it is convenient for the repair in later stage.
The lower end of connecting seat 9 is provided with driving box 10, and the lower end of the driving box 10 is provided with third motor 11, and described
The output end of three motors 11 is provided with swivel plate 12, and the downside of the swivel plate 12 is symmetrical to be provided with support column 13, institute
The lower end for stating support column 13 is provided with the runner 14 that setting is contradicted with driving box 10, and rotation is provided among the downside of swivel plate 12
Driving box 10 is stretched out in the lower end of bar 15, the swingle 15, and the lower end of swingle 15 is connected with projection by the first rotating seat 16
The upside right end of instrument 17, the projecting apparatus 17 is provided with the second rotating seat 18, and electronic stretch is connected on second rotating seat 18
The other end of contracting bar 19, the electric telescopic rod 19 is connect by the second rotating seat 18 with swingle 15, third motor 11 and electricity
The setting of dynamic telescopic rod 19, solves the problems, such as that existing multi-media classroom projecting apparatus can not automatically adjust angle, the throwing
Shadow instrument has the advantages of automatic adjustment angle, when the picture that projector projects go out deviates projection cloth, can be convenient for user's tune
It is whole, enhance the practicability of the projecting apparatus.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of meeting room projection arrangement easy to adjust, including mounting bracket, which is characterized in that opened on the downside of the mounting bracket
Equipped with regulating tank, the right end of the regulating tank is provided with first motor, and the output end of the first motor is provided with the first screw thread
The left end of bar, first threaded rod is rotatably connected with regulating tank, and sliding seat is provided on the first threaded rod, the sliding seat
Downside left and right ends are provided with is connected with protective cover with regulating tank left and right ends, and lifting gear, institute are provided on the downside of sliding seat
It includes supporting rod and telescopic rod to state lifting gear, and the inside of the supporting rod offers telescopic cavity, on the inside of the telescopic cavity
End is provided with the second motor, and the output end of second motor is provided with the second threaded rod, and the telescopic rod is internally provided with
Thread cavity, second threaded rod are threadedly coupled with thread cavity, and the telescopic rod and telescopic cavity are square structure, described flexible
The cross section size and shape all same of bar and telescopic cavity, the length of the telescopic rod are more than the length of telescopic cavity, telescopic rod
Lower end is connected with connecting seat, and the inside of the connecting seat offers cavity, and the upper end of the cavity is provided with inclined surface, described to incline
At least one locating ring is provided on inclined-plane, the interior lower end of cavity is provided with position-limiting drum, and position-limiting drum is internally provided with limit
Chamber is provided with extruding spring on the outside of the position-limiting drum, and the upper end of connecting seat offers the through-hole being inserted into for telescopic rod, connecting seat
Left side be provided with the dismantling mouth being connected to cavity, dust cover is provided on the dismantling mouth, the lower end of connecting seat is provided with drive
Dynamic case, the lower end of the driving box are provided with third motor, and the output end of the third motor is provided with swivel plate, the rotation
The downside of plate is symmetrical to be provided with support column, and the lower end of the support column is provided with the runner that setting is contradicted with driving box,
Swingle is provided among the downside of swivel plate, driving box is stretched out in the lower end of the swingle, and the lower end of swingle passes through first
Rotating seat is connected with projecting apparatus, and the upside right end of the projecting apparatus is provided with the second rotating seat, is connected on second rotating seat
There are electric telescopic rod, the other end of the electric telescopic rod to be connect with swingle by the second rotating seat.
2. a kind of meeting room projection arrangement easy to adjust according to claim 1, which is characterized in that the mounting bracket
Left and right ends be symmetrically arranged with mounting plate.
3. a kind of meeting room projection arrangement easy to adjust according to claim 2, which is characterized in that the mounting plate
On offer mounting hole.
4. a kind of meeting room projection arrangement easy to adjust according to claim 1, which is characterized in that the protective cover
For Telescopic dustproof cover.
5. a kind of meeting room projection arrangement easy to adjust according to claim 1, which is characterized in that the sliding seat
Upside and regulating tank upper end sliding be arranged.
6. a kind of meeting room projection arrangement easy to adjust according to claim 1, which is characterized in that the extruding bullet
One end of spring and the lower end of cavity connect, and the other end and locating ring for squeezing spring contradict setting.
7. a kind of meeting room projection arrangement easy to adjust according to claim 1, which is characterized in that the locating ring
There are two settings, the centres of two locating rings be provided with for telescopic rod by circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192992.0A CN108561730A (en) | 2018-03-09 | 2018-03-09 | A kind of meeting room projection arrangement easy to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192992.0A CN108561730A (en) | 2018-03-09 | 2018-03-09 | A kind of meeting room projection arrangement easy to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561730A true CN108561730A (en) | 2018-09-21 |
Family
ID=63532515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810192992.0A Pending CN108561730A (en) | 2018-03-09 | 2018-03-09 | A kind of meeting room projection arrangement easy to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561730A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109480538A (en) * | 2018-11-19 | 2019-03-19 | 哈尔滨学院 | A kind of preschool education system based on AR augmented reality |
| CN109681750A (en) * | 2018-12-30 | 2019-04-26 | 广西数创智能科技有限公司 | A kind of traffic monitoring apparatus of adjustable-angle |
| CN109869590A (en) * | 2019-03-20 | 2019-06-11 | 孟吉强 | A kind of fire prevention observation device in forestry mountain area |
| CN110099529A (en) * | 2019-05-28 | 2019-08-06 | 宁波文泽机电技术开发有限公司 | A kind of automatic adjustable electronic control cabinet |
| CN111946990A (en) * | 2020-08-12 | 2020-11-17 | 南昌大学 | Special mapping equipment for architectural design and working method thereof |
| CN113932137A (en) * | 2021-10-18 | 2022-01-14 | 青岛酒店管理职业技术学院 | Training auxiliary device for hotel management and training auxiliary method thereof |
| CN116781850A (en) * | 2023-08-22 | 2023-09-19 | 安徽谱图科技有限公司 | Conference recorder for conference multimedia |
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| CN106292153A (en) * | 2016-11-04 | 2017-01-04 | 嘉兴职业技术学院 | A kind of computer projection instrument of anti-rock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109869590A (en) * | 2019-03-20 | 2019-06-11 | 孟吉强 | A kind of fire prevention observation device in forestry mountain area |
| CN110099529A (en) * | 2019-05-28 | 2019-08-06 | 宁波文泽机电技术开发有限公司 | A kind of automatic adjustable electronic control cabinet |
| CN111946990A (en) * | 2020-08-12 | 2020-11-17 | 南昌大学 | Special mapping equipment for architectural design and working method thereof |
| CN113932137A (en) * | 2021-10-18 | 2022-01-14 | 青岛酒店管理职业技术学院 | Training auxiliary device for hotel management and training auxiliary method thereof |
| CN116781850A (en) * | 2023-08-22 | 2023-09-19 | 安徽谱图科技有限公司 | Conference recorder for conference multimedia |
| CN116781850B (en) * | 2023-08-22 | 2023-10-31 | 安徽谱图科技有限公司 | Conference recorder for conference multimedia |
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Application publication date: 20180921 |