CN110007553A - A kind of curtain and optical projection system - Google Patents
A kind of curtain and optical projection system Download PDFInfo
- Publication number
- CN110007553A CN110007553A CN201910257709.2A CN201910257709A CN110007553A CN 110007553 A CN110007553 A CN 110007553A CN 201910257709 A CN201910257709 A CN 201910257709A CN 110007553 A CN110007553 A CN 110007553A
- Authority
- CN
- China
- Prior art keywords
- curtain
- connecting rod
- sliding block
- ontology
- screw rod
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
-
- 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
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention provides a kind of curtain and optical projection systems, belong to projection device technical field.Curtain of the invention includes curtain ontology, spool and mobile mechanism, and the curtain ontology is wound on the spool, and the mobile mechanism is fixedly connected with one end that the curtain ontology stretches out the spool.Curtain stability of the invention is good, can be to avoid the shaking of curtain.
Description
Technical field
The invention belongs to projection device technical fields, more particularly, to a kind of curtain and optical projection system.
Background technique
Laser television (projector) curtain mostly uses lifting structure, and widespread practice is set above projector at present
Set a shaft, curtain is wound in shaft, and when projection, shaft rotation falls curtain and realizes opening.This curtain is whole
There is no structural support, is very easy to generate shaking, influences the quality of viewing.
Summary of the invention
For overcome the deficiencies in the prior art, the embodiment of the present invention provides a kind of curtain for preventing curtain from shaking.
The embodiment of the present invention solves technical solution used by above-mentioned technical problem: providing a kind of curtain, including curtain
Ontology, spool and mobile mechanism, the curtain ontology are wound on the spool, the mobile mechanism and the curtain ontology
The one end for stretching out the spool is fixedly connected.
As a further improvement of the above technical scheme, the mobile mechanism includes actuator and moving member, the drive
The output end of moving part is connect with the moving member, and the curtain ontology is fixedly connected with the moving member, wherein the moving member
, can be mobile close to or far from the spool under the driving of the actuator, to drive the curtain to be unfolded or winding.
As a further improvement of the above technical scheme, the moving member includes sliding rail and sliding block, and the sliding rail is fixed
Setting, the sliding block is slideably positioned on the sliding rail, and the sliding block is fixedly connected with the curtain ontology.
As a further improvement of the above technical scheme, the actuator include drive bevel gear, the first driven wheel of differential,
Second driven wheel of differential, the first screw rod, the second screw rod, first driven wheel of differential, second driven wheel of differential are symmetrically set
In the two sides of the drive bevel gear, and first driven wheel of differential, second driven wheel of differential respectively with the active
Bevel gear engagement connection, first screw rod, second screw rod are symmetrically set in the two sides of the drive bevel gear, and described first
Screw rod and first driven wheel of differential rotate synchronously, and second screw rod and second driven wheel of differential rotate synchronously.
As a further improvement of the above technical scheme, the moving member includes that the first sliding block and first sliding block connect
The first bar group for connecing, the second sliding block, the second bar group connecting with second sliding block, first slide block set are set to described first
It on screw rod, and is connect with first wire rod thread, described first bar group one end and first sliding block are articulated and connected, the other end
Be fixedly connected with the curtain ontology, second slide block set be set to second screw rod on, and with second wire rod thread
Connection, described second bar group one end and second sliding block are articulated and connected, and the other end is fixedly connected with the curtain ontology.
It as a further improvement of the above technical scheme, further include bracket, the moving member is installed on the bracket.
As a further improvement of the above technical scheme, the first bar group includes the first connecting rod set gradually, second
Connecting rod and third connecting rod, described first connecting rod one end and first sliding block are articulated and connected, and the other end is hingedly set to described
On second connecting rod, described second connecting rod one end is hingedly arranged on the bracket, the other end of the second connecting rod and described the
One end of three-link is articulated and connected, and the other end of the third connecting rod is hingedly set on the curtain ontology.
As a further improvement of the above technical scheme, the second bar group includes the fourth link set gradually, the 5th
Connecting rod and six-bar linkage, described fourth link one end and second sliding block are articulated and connected, and the other end is hingedly set to described
On 5th connecting rod, the 5th connecting rod proposal is hingedly arranged on the bracket, the other end of the 5th connecting rod and described the
One end of six-bar linkage is articulated and connected, and the other end of the six-bar linkage is hingedly set on the curtain ontology.
As a further improvement of the above technical scheme, the moving member is fixedly connected with the upper end of the curtain ontology,
The spool fixes the lower end of the curtain ontology.
The present invention also provides a kind of optical projection systems, including projector and curtain as described above, as above-mentioned technical side
The further improvement of case further includes cabinet, and the actuator and the moving member are set in the cabinet, and the projector is set to
On the cabinet, the cabinet is equipped with door-plate, and described door-plate one end is hingedly set on the cabinet, makes the door-plate can phase
To the body pivot, and then form the channel of the curtain ontology.
Beneficial effects of the present invention:
Curtain of the invention drives the expansion or winding of curtain ontology by mobile mechanism, passes through mobile mechanism, spool point
Not Gu Ding curtain ontology both ends, guarantee curtain ontology fixation, prevent the shaking of curtain ontology.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 shows the schematic illustration of the curtain of one embodiment；
Structural schematic diagram when being withdrawn Fig. 2 shows curtain in one embodiment；
Fig. 3 shows structural schematic diagram when curtain is unfolded in one embodiment；
Fig. 4 shows the partial enlargement structural representation in Fig. 2 at A；
Fig. 5 shows the structural schematic diagram of optical projection system in one embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as up, down, left, right, before and after used in invention are only relative to the mutual of each component part of the invention in attached drawing
For positional relationship.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the present invention.Term " and or " used herein includes the arbitrary of one or more relevant listed items
Combination.
Such as Fig. 1, the schematic illustration of curtain in one embodiment is shown.A kind of curtain, including curtain ontology 100, volume
Axis 110 and mobile mechanism, curtain ontology 100 are wound on spool 110, and spool 110 is stretched out in one end of curtain ontology 100, are used
It is fixedly connected in expansion or winding curtain ontology 100, mobile mechanism with curtain ontology 100, mobile mechanism can drive curtain ontology
100 are relatively distant from or by the movement of near reel 110, curtain ontology 100 are unfolded or are wound.
Mobile mechanism includes that actuator includes actuator 120 and moving member 130, and actuator 120 is fixedly installed, moving member
130 connect with the output end of actuator 120, drive moving member 130 to work by actuator 120, in the drive of moving member 130
Under, curtain ontology 100 completes the movement of expansion or winding, meanwhile, upon deployment, moving member 130 and spool 110 are respectively by curtain
The both ends of ontology 100 are fixed, and guarantee the firm of curtain ontology 100.
In one embodiment, moving member 130 includes sliding rail and sliding block (not shown), wherein sliding block sliding setting
In on sliding rail, and sliding block is fixedly connected with curtain ontology 100, and the sliding for passing through sliding block drives the movement of curtain ontology 100.
In another embodiment, such as Fig. 2 and Fig. 3, moving member is set as bar group, and the movement of bar group is utilized to drive curtain sheet
The movement of body 100.
In the present embodiment, curtain includes curtain ontology 200, spool (not shown), actuator and moving member.
In the present embodiment, referring to Fig. 4, actuator includes drive bevel gear 210, the first driven wheel of differential 211 and second
Driven wheel of differential 212, the first driven wheel of differential 211 and the second driven wheel of differential 212 are symmetrically set in the two of drive bevel gear 210
Side, and the first driven wheel of differential 211, the second driven wheel of differential 212 engage connection with drive bevel gear 210 respectively.Due to
One driven wheel of differential 211, the second driven wheel of differential 212 are symmetrically set in the two sides of drive bevel gear 210, drive bevel gear 210
Movement is transmitted to the first driven wheel of differential 211, on the second driven wheel of differential 212 when, the first driven wheel of differential 211, second is driven
Bevel gear 212 is in reversed rotation.
Actuator further includes the first screw rod 213 and the second screw rod 214, the first screw rod 213 and the first driven wheel of differential 211
Connection is rotated synchronously, the second screw rod 214 and the second driven wheel of differential 212, which rotate synchronously, to be connected, the first screw rod 213, the second screw rod
214 are also symmetrically disposed on the two sides of drive bevel gear 210.
Moving member includes the first sliding block 220, the second sliding block 221, the first bar group and the second bar group.
First sliding block 220 is sheathed on the first screw rod 213, and the first sliding block 220 and the first screw rod 213 are connected by screw thread
It connects, the second sliding block 221 is sheathed on the second screw rod 214, and the second sliding block 221 is connected through a screw thread with the second screw rod 214.First
Sliding block 220 and the first screw rod 213, the second sliding block 221 and the second screw rod 214 form screw rod slide block mechanism, when 213 turns of the first screw rod
When dynamic, the first sliding block 220 slides on the length direction of the first screw rod 213, when the rotation of the second screw rod 214, the second sliding block 221
It is slided on the length direction of the second screw rod 214.
First bar group one end and the first sliding block 220 are articulated and connected, and the other end and curtain ontology 200 are fixed, the second bar group one
End is articulated and connected with the second sliding block 221, and the other end and curtain ontology 200 are fixed.The cunning of first sliding block 220 and the second sliding block 221
Dynamic that the first bar group and the second bar group is driven to move, the first bar group, the second bar group drive curtain ontology 200 to take exercises.
Preferably, drive bevel gear 210 is located at the middle position in 200 width direction of curtain ontology, in this way, first
Bar 213, the second screw rod 214 are symmetrically set to the left and right side of curtain ontology 200, and the first bar group, the second bar group are right respectively
The left and right side of curtain ontology 200 acts on, and the left and right side of curtain ontology 200 is fixed, and curtain ontology 200 is first
Under the action of bar group and the second bar group, it is more uniformly stressed, stability is more preferable.
In a preferred embodiment, the first bar group includes the first connecting rod 222, second connecting rod 223 and third set gradually
Connecting rod 224, wherein one end of first connecting rod 222 and the first sliding block 220 are articulated and connected, and the other end of first connecting rod 222 is hingedly set
It is placed on second connecting rod 223, one end of second connecting rod 223 is hinged and is fixedly installed, and the other end and third of second connecting rod 223 connect
One end of bar 224 is articulated and connected, and the other end of third connecting rod 224 is hingedly set on curtain ontology 200.
In a preferred embodiment, the second bar group includes the fourth link 225 set gradually, the 5th connecting rod 226 and
Six-bar linkage 227, wherein one end of fourth link 225 and the second sliding block 221 are articulated and connected, and the other end of fourth link 225 is hinged
It is set on the 5th connecting rod 225, one end of the 5th connecting rod 225 is hinged and is fixedly installed, the other end and the 6th of the 5th connecting rod 225
One end of connecting rod 226 is hingedly arranged, and the other end of six-bar linkage 226 is hingedly set on curtain ontology 200.
Referring to Fig. 2 and Fig. 3, after actuator work, moving member work drives curtain ontology 200 to take exercises.In this implementation
In example, curtain ontology 200 preferably rises from the bottom to top, from top to bottom falls.
In the present embodiment, it is also provided with bracket 230, for providing support for actuator and moving member, wherein second connects
The hinged and fixed one end of bar 223 is set on bracket 230, and the hinged and fixed one end of the five or six bar 225 is set on bracket 230.
It is noted that the moving direction of curtain ontology 100 can be for from the bottom to top or from top to bottom or by a left side in the present invention
To the right side or from right to left, certain tilt angle can also be set on the basis of above-mentioned direction.
Such as Fig. 5, the present invention also provides a kind of optical projection systems, including projector 300 and curtain as described above.
In one embodiment, optical projection system further includes cabinet 310, and projector 300 is installed on cabinet 310, actuator
It is set to inside cabinet 310 with moving member, is additionally provided with inside cabinet 310 and (does not show in figure for the mobile channel of curtain ontology 320
Out).
Further, the top of cabinet 310 is equipped with door-plate 330, and one end of door-plate 330 is hingedly set on cabinet 310, door
Plate 330 can opposite case 310 rotate, with discharge for curtain ontology 320 channel.
Optical projection system of the invention uses the structure of curtain from the bottom to top, and entirety has better mobility.
It is to be illustrated to what preferable implementation of the invention carried out, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of curtain, which is characterized in that including curtain ontology, spool and mobile mechanism, the curtain ontology is wound in institute
It states on spool, the mobile mechanism is fixedly connected with one end that the curtain ontology stretches out the spool.
2. curtain according to claim 1, which is characterized in that the mobile mechanism includes actuator and moving member, institute
The output end for stating actuator is connect with the moving member, and the curtain ontology is fixedly connected with the moving member, wherein the shifting
Moving part, can be mobile close to or far from the spool under the driving of the actuator, to drive the curtain to be unfolded or winding.
3. curtain according to claim 2, which is characterized in that the moving member includes sliding rail and sliding block, the sliding rail
Fixed setting, the sliding block is slideably positioned on the sliding rail, and the sliding block is fixedly connected with the curtain ontology.
4. curtain according to claim 2, which is characterized in that the actuator includes drive bevel gear, first from mantle
Gear, the second driven wheel of differential, the first screw rod, the second screw rod, first driven wheel of differential, second driven wheel of differential pair
Claim be set to the drive bevel gear two sides, and first driven wheel of differential, second driven wheel of differential respectively with it is described
Drive bevel gear engagement connection, first screw rod, second screw rod are symmetrically set in the two sides of the drive bevel gear, described
First screw rod and first driven wheel of differential rotate synchronously, and second screw rod is synchronous with second driven wheel of differential to be turned
It is dynamic.
5. curtain according to claim 4, which is characterized in that the moving member includes that the first sliding block and described first are slided
First bar group of block connection, the second sliding block, the second bar group connecting with second sliding block, first slide block set are set to described
It on first screw rod, and is connect with first wire rod thread, described first bar group one end and first sliding block are articulated and connected, separately
One end is fixedly connected with the curtain ontology, second slide block set be set to second screw rod on, and with second screw rod
It is threadedly coupled, described second bar group one end and second sliding block are articulated and connected, and the other end is fixedly connected with the curtain ontology.
6. curtain according to claim 5, which is characterized in that further include bracket, the moving member is installed on the bracket
On.
7. curtain according to claim 6, which is characterized in that the first bar group include the first connecting rod set gradually,
Second connecting rod and third connecting rod, described first connecting rod one end and first sliding block are articulated and connected, and the other end is hingedly set to
On the second connecting rod, described second connecting rod one end is hingedly arranged on the bracket, the other end of the second connecting rod and institute
One end articulated connection of third connecting rod is stated, the other end of the third connecting rod is hingedly set on the curtain ontology.
8. curtain according to claim 6, which is characterized in that the second bar group include the fourth link set gradually,
5th connecting rod and six-bar linkage, described fourth link one end and second sliding block are articulated and connected, and the other end is hingedly set to
On 5th connecting rod, described 5th connecting rod one end is hingedly arranged on the bracket, the other end of the 5th connecting rod and institute
One end articulated connection of six-bar linkage is stated, the other end of the six-bar linkage is hingedly set on the curtain ontology.
9. curtain according to claim 1, which is characterized in that the upper end of the moving member and the curtain ontology is fixed to be connected
It connects, the spool fixes the lower end of the curtain ontology.
10. a kind of optical projection system, which is characterized in that including projector and curtain as claimed in any one of claims 1-9 wherein
Cloth, the actuator and the moving member are set in the cabinet, and the projector is set on the cabinet, are set on the cabinet
Have door-plate, described door-plate one end is hingedly set on the cabinet, make the door-plate can the relatively described body pivot, and then formed
The channel of the curtain ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257709.2A CN110007553A (en) | 2019-04-01 | 2019-04-01 | A kind of curtain and optical projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257709.2A CN110007553A (en) | 2019-04-01 | 2019-04-01 | A kind of curtain and optical projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110007553A true CN110007553A (en) | 2019-07-12 |
Family
ID=67169267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257709.2A Pending CN110007553A (en) | 2019-04-01 | 2019-04-01 | A kind of curtain and optical projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110007553A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568710A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | Curtain lifting mechanism for curled hidden laser television all-in-one machine |
| CN110572599A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | electric panel opening mechanism for curled hidden laser television all-in-one machine |
| CN110572629A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | Control method of curled hidden laser television all-in-one machine |
| CN110851214A (en) * | 2019-09-29 | 2020-02-28 | 深圳市火乐科技发展有限公司 | Projection picture control method and related product |
| CN112925153A (en) * | 2019-12-05 | 2021-06-08 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2022078114A1 (en) * | 2020-10-13 | 2022-04-21 | 深圳光峰科技股份有限公司 | Height-adjustment device for projection screen, projection screen, and laser television |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB475079A (en) * | 1936-10-01 | 1937-11-12 | Peter Leopold Grueber | Portable projection screen |
| CN200983069Y (en) * | 2006-11-30 | 2007-11-28 | 广州美视晶莹银幕有限公司 | Elevating projection screen with portable electromotive base |
| CN203772647U (en) * | 2014-04-22 | 2014-08-13 | 陈志云 | Compression resistance detection equipment for sheet materials |
| CN204209580U (en) * | 2014-10-08 | 2015-03-18 | 湖北三江航天江北机械工程有限公司 | Tire automatic clamping device |
| CN205862094U (en) * | 2016-06-17 | 2017-01-04 | 天津中企易通科技发展有限公司 | Integral type projection cabinet |
| CN106930568A (en) * | 2017-03-01 | 2017-07-07 | 华东交通大学 | A kind of multi-functional truss stage and its operating method for cantata |
| CN106940511A (en) * | 2017-04-30 | 2017-07-11 | 广州市创视智能设备有限公司 | A kind of anti-excessive tensile ground type electric up-down projection screen |
| CN107065419A (en) * | 2017-05-04 | 2017-08-18 | 张钒 | A kind of electronic any no-load voltage ratio projection screen |
| CN108237462A (en) * | 2018-01-17 | 2018-07-03 | 徐志华 | A kind of construction steel tube derusting machine |
| CN108621169A (en) * | 2018-04-08 | 2018-10-09 | 朱晓凤 | A kind of novel transposition machine device people |
| CN210181382U (en) * | 2019-04-01 | 2020-03-24 | 深圳市火乐科技发展有限公司 | Curtain and projection system |
-
2019
- 2019-04-01 CN CN201910257709.2A patent/CN110007553A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB475079A (en) * | 1936-10-01 | 1937-11-12 | Peter Leopold Grueber | Portable projection screen |
| CN200983069Y (en) * | 2006-11-30 | 2007-11-28 | 广州美视晶莹银幕有限公司 | Elevating projection screen with portable electromotive base |
| CN203772647U (en) * | 2014-04-22 | 2014-08-13 | 陈志云 | Compression resistance detection equipment for sheet materials |
| CN204209580U (en) * | 2014-10-08 | 2015-03-18 | 湖北三江航天江北机械工程有限公司 | Tire automatic clamping device |
| CN205862094U (en) * | 2016-06-17 | 2017-01-04 | 天津中企易通科技发展有限公司 | Integral type projection cabinet |
| CN106930568A (en) * | 2017-03-01 | 2017-07-07 | 华东交通大学 | A kind of multi-functional truss stage and its operating method for cantata |
| CN106940511A (en) * | 2017-04-30 | 2017-07-11 | 广州市创视智能设备有限公司 | A kind of anti-excessive tensile ground type electric up-down projection screen |
| CN107065419A (en) * | 2017-05-04 | 2017-08-18 | 张钒 | A kind of electronic any no-load voltage ratio projection screen |
| CN108237462A (en) * | 2018-01-17 | 2018-07-03 | 徐志华 | A kind of construction steel tube derusting machine |
| CN108621169A (en) * | 2018-04-08 | 2018-10-09 | 朱晓凤 | A kind of novel transposition machine device people |
| CN210181382U (en) * | 2019-04-01 | 2020-03-24 | 深圳市火乐科技发展有限公司 | Curtain and projection system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110851214A (en) * | 2019-09-29 | 2020-02-28 | 深圳市火乐科技发展有限公司 | Projection picture control method and related product |
| CN110568710A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | Curtain lifting mechanism for curled hidden laser television all-in-one machine |
| CN110572599A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | electric panel opening mechanism for curled hidden laser television all-in-one machine |
| CN110572629A (en) * | 2019-10-08 | 2019-12-13 | 江苏舜合物联网科技有限公司 | Control method of curled hidden laser television all-in-one machine |
| CN110572629B (en) * | 2019-10-08 | 2021-09-07 | 江苏舜合物联网科技有限公司 | Control method of curled hidden laser television all-in-one machine |
| CN112925153A (en) * | 2019-12-05 | 2021-06-08 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2022078114A1 (en) * | 2020-10-13 | 2022-04-21 | 深圳光峰科技股份有限公司 | Height-adjustment device for projection screen, projection screen, and laser television |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110007553A (en) | A kind of curtain and optical projection system | |
| CN110166591A (en) | A kind of folding device, flexible display and mobile terminal | |
| CN107765502B (en) | Projection screen device | |
| CN110491192A (en) | A kind of teaching demonstration device for animation | |
| CN110189635A (en) | A kind of Flexible Displays mould group and flexible display apparatus | |
| CN110269395A (en) | A kind of teaching platform for storing multimedia conferencing display screen | |
| CN201331663Y (en) | Six-shaft adjusting rack capable of independently adjusting | |
| CN208596462U (en) | A kind of electronic commerce teaching system | |
| CN208268683U (en) | A kind of adjustable teaching projector hanger bracket | |
| US11937388B2 (en) | Screen body support device and foldable flexible display device | |
| CN114183648A (en) | Cloud classroom intelligent monitoring equipment | |
| CN207762527U (en) | Fold out display for corridor hall | |
| US20080179016A1 (en) | Blind device | |
| CN109794032A (en) | A kind of the Physical Education Of the College indoor body-building equipment | |
| CN210805777U (en) | Control device based on adjustable OLED screen curvature | |
| CN210069337U (en) | Think projecting apparatus that political affairs theory class was used | |
| CN106851250A (en) | A kind of stereo camera and adjustment mechanism | |
| CN210181382U (en) | Curtain and projection system | |
| CN110162141A (en) | A kind of non-overlapping formula linkage suitable for Folding screen | |
| CN208432797U (en) | A kind of AR helmet with eyeglass draw-in and draw-off function for engineering design | |
| CN209574124U (en) | A kind of student-directed being convenient for changing personal information displaying device | |
| CN209486928U (en) | A kind of think of political affairs teaching presentation device | |
| CN207583209U (en) | Centering type hinge and collapsible door and window | |
| CN209624973U (en) | A kind of rollable spherical band projection screen | |
| CN209725771U (en) | A kind of image collecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |