CN106028012A - Immersive virtual reality screen projection system - Google Patents
Immersive virtual reality screen projection system Download PDFInfo
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- CN106028012A CN106028012A CN201610560002.5A CN201610560002A CN106028012A CN 106028012 A CN106028012 A CN 106028012A CN 201610560002 A CN201610560002 A CN 201610560002A CN 106028012 A CN106028012 A CN 106028012A
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- Prior art keywords
- curtain
- projector
- projection
- screen
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
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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
- G03B21/56—Projection screens
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses an immersive virtual reality screen projection system which comprises a projection screen and projection equipment. The projection screen comprises a top screen, a vertical screen and a floor screen which are sequentially connected from top to bottom; the top screen, the vertical screen and the floor screen are matched to form a stereoscopic viewing space; the projection equipment comprises a first projection set, a second projection set and a third projection set; the first projection set comprises a first projector projecting to the floor screen; the second projection set comprises a second projector projecting to the vertical screen; and the third projection set comprises a third projector projecting to the top screen. According to the immersive virtual reality screen projection system disclosed by the invention, the top screen, the vertical screen and the floor screen are connected into one integrated screen, the screen is integrally bent or buckled to enclose to form a stereoscopic and great viewing space, and the corresponding projection set is correspondingly arranged in each region on the projection screen and are used for forming a balanced and complete projection image. When an audience walks or stands on the ground, the audience is surrounded by the image, so that the audience has strong ambience and immersion, and view experience of the audience is effectively promoted.
Description
Technical field
The present invention relates to projector equipment technical field, especially relate to a kind of immersive VR screen prjection
System.
Background technology
Optical projection system be a kind of can be by the equipment on image or VIDEO PROJECTION to curtain, it is widely used in enterprise
Industry exhibition room, office, school and public place of entertainment.In traditional optical projection system, its screen mostly is monoplane curtain,
But in actual applications, the size of plane curtain is limited, it is impossible to provide the sensation of non-boundary to spectators, viewing
Scene is the most grand grand, and spectators also cannot obtain telepresenc and feeling of immersion simultaneously.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, it is provided that a kind of immersive VR screen
Optical projection system, it can form the viewing space of solid, increase telepresenc and the feeling of immersion of spectators, improve and see
Shadow effect.
Its technical scheme is as follows:
A kind of immersive VR screen prjection system, including projection screen and projector equipment, described projection screen
Including the top curtain being sequentially connected with from top to bottom, vertical curtain and ground curtain, the end of described top curtain and described ground curtain is at water
Square being gradually distance from described vertical curtain up towards the same side, described top curtain, described vertical curtain and described ground curtain coordinate shape
Becoming three-dimensional viewing space, described projector equipment includes the first projection group, the second projection group and the 3rd projection
Group, described first projection group includes at least one first projector being projeced into described ground curtain, and described second throws
Shadow group includes at least one second projector being projeced into described vertical curtain, and described 3rd projection group includes being projeced into
At least one the 3rd projector of described top curtain.
Wherein in an embodiment, described first projection group, described second projection group and the described 3rd throw
Shadow group is sequentially arranged up and down.
Wherein in an embodiment, described first projector is also projeced into the described vertical curtain of part, and described second
Projector be also projeced into part described top curtain and part described ground curtain, the projected area of described 3rd projector
Also it is projeced into the described vertical curtain of part.
Wherein in an embodiment, described vertical curtain is annular, described top curtain and described ground curtain all towards away from
The side in described viewing space is protruding.
Wherein in an embodiment, described first projector, described second projector and described 3rd projection
Instrument is multiple, and described first projector, described second projector and described 3rd projector are each along described
The circumference of projection screen is evenly arranged.
Wherein in an embodiment, described vertical curtain includes be sequentially connected with first founding curtain, second founding curtain and
Three found curtain, and described first founds curtain and the described 3rd stands and be oppositely arranged about curtain, described first stand curtain, described
Two found curtain and the described 3rd two ends founding curtain are connected with described top curtain and described ground curtain respectively, and described first stands
Curtain, described second found curtain, the described 3rd found curtain, described ground curtain and described top curtain all in plane.
Wherein in an embodiment, described second projector is provided with four, four described second projector edges
The length direction described projection screen is arranged side by side, and is positioned at one of them described second projector projects in left side
Founding curtain in the described 3rd, one of them described second projector projects being positioned at right side founds curtain in described first,
Two middle described second projector projects are in founding curtain in described second.
Wherein in an embodiment, described first founds curtain and described second stands between curtain and the described 3rd stands
Curtain and described second angle stood between curtain are obtuse angle.
Wherein in an embodiment, described first founds curtain and described second stands between curtain and the described 3rd stands
Curtain and described second stands and is equipped with arc transition portion between curtain.
Wherein in an embodiment, also include Multichannel fusion system, described Multichannel fusion system in order to
Realize between described top curtain and described vertical curtain, image between described ground curtain and described vertical curtain seamless spliced.
Advantage or principle to preceding solution illustrate below:
Immersive VR screen prjection system of the present invention, its projection screen include pushing up curtain, vertical curtain and
Ground curtain, wherein curtain is located on ground, and vertical curtain then stands on ground, and top curtain, vertical curtain and ground curtain connect as one
Formula screen, this screen integrally bending or bending enclose one three-dimensional viewing space of formation so that viewing space
Grand grand.Projector equipment in this screen prjection system includes the most corresponding with ground curtain, vertical curtain and top curtain
First projection group, the second projection group and the 3rd projection group, each screen is correspondingly provided with corresponding projection group,
The projection image complete in order to form equilibrium.When spectators walk or stand on the ground, it is surrounded by image,
So that spectators have stronger telepresenc and feeling of immersion, the viewing effectively improving spectators is experienced.
First projection group, the second projection group and the 3rd projection group are sequentially arranged up and down, the highest
One projection group correspondence is projeced into ground curtain, and the second projection group correspondence being positioned at intermediate altitude is projeced into vertical curtain, highly
The 3rd relatively low projection group then correspondence is projeced into top curtain, and the projecting direction of the first projection group and the 3rd projection group is handed over
Fork is arranged so that distant between projector and corresponding projected area, so that its projected area
Bigger wider, logical too small amount of projector can form intimate panorama or full-view stereo is shown, reduces projector
Usage quantity, reduce cost of manufacture.
First projector projects in ground curtain and the vertical curtain of part, the second projector projects in vertical curtain, part top curtain and
Partly curtain, the 3rd projector is then projeced into top curtain and the vertical curtain of part so that the first projector and the second projection
The projected area between projected area and the second projector and the 3rd projector between instrument all partly overlaps,
Make to project image continuously and to equalize, promote display effect.
Described vertical curtain is annular, and described top curtain and described ground curtain are all convex towards the side away from described viewing space
Rise so that whole projection screen forms the viewing space of an arc, on projection screen between each viewpoint and human eye
Distance be close to equal, promote viewing effect.
What described vertical curtain included that broken line connects first founds curtain, second founds curtain and the 3rd and found curtain, described first stand curtain,
Described second found curtain, the described 3rd found curtain and described ground curtain and described top curtain all in plane, enclose shape
On the basis of becoming the viewing space of solid, by using plane projection screen can alleviate manufacture difficulty, reduce
Cost of manufacture.
Four the second projectors of the present invention use rational cross layout type so that each projection
The projected area of instrument is relatively wide, will not be blocked by other equipment, so that whole projection screen imaging is complete.
Described first founds curtain and described second stands between curtain and the described 3rd founds curtain and described second and stand between curtain
Angle be obtuse angle so that this projection screen formed a viewing space extended out.
Described first founds curtain and described second stands between curtain and the described 3rd founds curtain and described second and stand between curtain
It is equipped with arc transition portion, prevents the junction between screen from producing distortion, thus improve projected picture and have
The utilization rate of effect pixel, promotes image quality.
Present invention additionally comprises Multichannel fusion system, both achieved screen by soft-sided anastomosing and splicing technology and joined
The fusion completely at place, eliminates again the overly bright region that lap splice causes, in order to realize on whole projection screen
Form the display of integration.
Accompanying drawing explanation
Fig. 1 is the cross sectional view of the immersive VR screen prjection system described in first embodiment of the invention；
Fig. 2 is the top view of the immersive VR screen prjection system described in first embodiment of the invention；
Fig. 3 is the positive direction view of the immersive VR screen prjection system described in second embodiment of the invention.
Description of reference numerals:
110, curtain, 120, vertical curtain, 121, first founds curtain, and 122, second founds curtain, and the 123, the 3rd founds curtain,
130, top curtain, 140, viewing space, the 210, first projector, the 220, second projector, the 230, the 3rd
Projector, 310, ground, 320, ceiling.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and concrete
Embodiment, is described in further detail the present invention.It should be appreciated that tool described herein
Body embodiment, only in order to explain the present invention, does not limit protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of immersive VR screen prjection system, including projection screen and throwing
Shadow equipment, wherein said projection screen includes the top curtain 130 being sequentially connected with from top to bottom, vertical curtain 120 and ground curtain
110, wherein curtain 110 is located on ground 310, and vertical curtain 120 then stands on ground, and sky is then located at by top curtain 130
On card 320, top curtain 130, vertical curtain 120 and ground curtain 110 connect as one formula screen.Described top curtain 130
It is gradually distance from described vertical curtain 120 in the horizontal direction towards the same side with the end of described ground curtain 110, so that
This projection screen integrally bending or bending enclose one three-dimensional viewing space 140 of formation so that viewing space 140
Grand grand.Described projector equipment includes the first projection group corresponding with described ground curtain 110 and described vertical curtain
The second corresponding projection group and the threeth projection group corresponding with described top curtain 130, described first projection group bag
Including at least one first projector 210 being projeced into ground curtain 110, described second projection group includes being projeced into vertical curtain
At least one of 120 the second projector 220, described 3rd projection group includes that at least one is projeced into top curtain 130
At least one the 3rd projector 230, the most each screen is correspondingly provided with corresponding projection group, in order to be formed
Equilibrium, complete projection image.When spectators walk or stand on the ground, it is surrounded by image, thus
Making spectators have stronger telepresenc and feeling of immersion, the viewing effectively improving spectators is experienced.
In the present embodiment, in described first projection group, described second projection group and described 3rd projection group
Under be sequentially arranged, the first the highest projector 210 correspondence be projeced into ground curtain 110, be positioned at intermediate altitude
The second projector 220 correspondence be projeced into vertical curtain 120, the 3rd the most relatively low projector 230 then corresponding projection
In top curtain 130, the projecting direction of the first projector 210 and the 3rd projector 230 is arranged in a crossed manner so that projection
Distant between instrument and corresponding projected area, so that its projected area is bigger wider, by few
The projector of amount can form intimate panorama or full-view stereo is shown, reduces the usage quantity of projector, reduces
Cost of manufacture.
Preferably, to be covered in described ground curtain 110, part described vertical for the projected area of described first projector 210
Curtain 120 and part ground 310, the projected area of described second projector 220 be covered in described vertical curtain 120,
Part described top curtain 130 and part described ground curtain 110, the projected area of described 3rd projector 230 is covered in
The described vertical curtain 120 of described top curtain 130, part and part ceiling 320 so that the first projector 210 with
Between projected area and the second projector 220 and the 3rd projector 230 between second projector 220
Projected area all partly overlaps so that projection image continuously and equalizes, and promotes display effect.The present invention also may be used
It is designed as according to actual needs: the first projector 210 is only projeced into described ground curtain 110, the second projector 220
Only being projeced into vertical curtain 120, the 3rd projector 230 is only projeced into top curtain 130.
In the present embodiment, as depicted in figs. 1 and 2, described vertical curtain 120 in annular, described top curtain 130
All protruding towards the side away from described viewing space 140 with described ground curtain 110 so that whole projection screen is formed
The viewing space 140 of one circular arc, on projection screen, the distance between each viewpoint and human eye is close to equal, carries
Rise viewing effect.Described first projection group is provided with multiple first projector 210, described second projection group be provided with
Described first projector 210, second projector 220 one to one, described 3rd projection group also is provided with and first
Projector 210 the 3rd projector 230 one to one.Multiple described first projectors 210, multiple described
Two projectors 220 and multiple described 3rd projector 230 are evenly arranged each along the circumference of described projection screen,
In order to ensure the uniformity of projection.Preferably, described first projector 210, described second projector 220 and
Described 3rd projector 230 all has 7, ensures whole projection system while ensureing projection image integrity
System has relatively low cost of manufacture.The present invention is also dependent on the projection being actually needed 7 above and below of design
Instrument, as long as projection content can completely and incessantly be incident upon on projection screen.When the quantity of projector is little
In 7 time, the projection content of coincidence is less, but cost is relatively low, when the quantity of projector is more than 7,
Relatively costly, but the projection content overlapped is more, it is ensured that the integrity of projection image.
Present invention additionally comprises control system, described control system is in order to control the worked of described first projection group
Required digital content, the work process of described second projection group and the vertical curtain 120 play in journey and ground curtain 110
The work process of the upper required digital content play and described 3rd projection group is required with on the curtain 130 of top to be play
Digital content.Present invention additionally comprises Multichannel fusion system, described Multichannel fusion system is in order to realize
State between top curtain 130 and described vertical curtain 120, between described ground curtain 110 and described vertical curtain 120 and described
Curtain 130 vertical curtain 120 internal, described is internal on top, image within described ground curtain 110 is seamless spliced, passes through
Soft-sided anastomosing and splicing technology had both achieved the fusion completely of screen junction, eliminated again what lap splice caused
Overly bright region, in order to realize being formed the display of integration on whole projection screen.
Unlike the embodiments above, in another embodiment, as it is shown on figure 3, described vertical curtain 120
Founding curtain 121 including first be sequentially connected with, second found curtain 122 and the 3rd and found curtain 123, described first founds curtain 121
Founding curtain about 123 with the described 3rd relative and be symmetrical arranged, described second founds a length of the first of curtain 122 stands
Curtain 121 and the 3rd founds 1-2 times of the length of curtain 123.Described first found curtain 121, described second found curtain 122
It is connected with described top curtain 130 and described ground curtain 110 respectively with the described 3rd two ends founding curtain 123, described
First found curtain 121, described second found curtain 122, the described 3rd stand curtain 123, described ground curtain 110 and described top
Curtain 130 is all in plane, on the basis of enclosing the viewing space 140 forming solid, by using plane
The projection screen of shape can alleviate manufacture difficulty, reduces cost of manufacture.
In the present embodiment, described first projector 210, described second projector 220 and described 3rd projection
Instrument 230 is equipped with four, 210, four described second projectors 220 of four described first projectors and four
Described 3rd projector 230 is arranged side by side each along the length direction of described projection screen.Specifically, with first
Vertical curtain 121 be main projected area, and the layout of each projector is as follows: one of them on the left of being positioned at described the
The projected area of one projector 210 (floor screen projection instrument) is covered in ground curtain 110 and part first founds curtain 121,
The projected area of one of them described second projector 220 (vertical curtain projector) being positioned at right side is covered in first
Vertical curtain 121, is positioned at the projected area of one of them described 3rd projector 230 (top curtain projector) on right side
It is covered in top curtain 130 and part first founds curtain 121；Found curtain 123 for main projected area with the 3rd, respectively project
The layout of instrument is as follows: be positioned at the projection of one of them described first projector 210 (floor screen projection instrument) on right side
Area covering founds curtain 123 in ground curtain 110 and part the 3rd, is positioned at one of them described second projector in left side
The projected area of 220 (vertical curtain projectors) is covered in the 3rd and founds curtain 123, is positioned at described in one of them of left side
The projected area of the 3rd projector 230 (top curtain projector) is covered in top curtain 130 and part the 3rd founds curtain 123；
Founding curtain 122 for main projected area with second, the layout of each projector is as follows: middle two described first
The projected area of projector 210 (floor screen projection instrument) is covered in ground curtain 110 and part second founds curtain 122, in
Between the projected area of two described second projectors 220 (vertical curtain projector) be covered in second and found curtain 122,
The projected area of two middle described 3rd projectors 230 (top curtain projector) is covered in top curtain 130 and portion
Second is divided to found curtain 122.The each projector of the present invention uses rational layout type so that the projection of each projector
Area is relatively wide, will not be blocked by other equipment, so that whole projection screen imaging is complete.
Preferably, described first found curtain 121 and described second and stand between curtain 122 and the described 3rd found curtain 123
And described second angle stood between curtain 122 is obtuse angle so that this projection screen forms a viewing extended out
Space 140.The present invention also dependent on be actually needed stand first curtain 121 and described second stand between curtain 122 with
And the described 3rd found curtain 123 and described second angle stood between curtain 122 is designed as right angle.
Further, described first found curtain 121 and described second and stand between curtain 122 and the described 3rd found curtain
123 and described second stand and are equipped with arc transition portion (accompanying drawing is not shown) between curtain 122, prevent screen it
Between junction produce distortion, thus improve the utilization rate of projected picture valid pixel, promote image quality.
Vertical curtain 120 of the present invention does not limit to annular and bent, also can be according to actual needs by institute
State vertical curtain 120 and be designed as planar shaped or pentahedron shape etc..
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.
Claims (10)
1. an immersive VR screen prjection system, it is characterised in that include that projection screen and projection set
Standby, the top curtain that described projection screen includes being sequentially connected with from top to bottom, vertical curtain and ground curtain, described top curtain and described
The end of ground curtain is gradually distance from described vertical curtain in the horizontal direction towards the same side, described top curtain, described vertical curtain and
Described ground curtain cooperatively forms the viewing space of solid, and described projector equipment includes the first projection group, the second projection
Group and the 3rd projection group, described first projection group includes at least one first projection being projeced into described ground curtain
Instrument, described second projection group includes at least one second projector being projeced into described vertical curtain, and the described 3rd throws
Shadow group includes at least one the 3rd projector being projeced into described top curtain.
Immersive VR screen prjection system the most according to claim 1, it is characterised in that institute
State the first projection group, described second projection group and described 3rd projection group to be sequentially arranged up and down.
Immersive VR screen prjection system the most according to claim 1, it is characterised in that institute
State the first projector and be also projeced into the described vertical curtain of part, described second projector be also projeced into the described top of part
Curtain and part described ground curtain, the projected area of described 3rd projector is also projeced into the described vertical curtain of part.
Immersive VR screen prjection system the most according to claim 1, it is characterised in that institute
Stating vertical curtain is annular, and described top curtain and described ground curtain are all protruding towards the side away from described viewing space.
Immersive VR screen prjection system the most according to claim 4, it is characterised in that institute
State the first projector, described second projector and described 3rd projector and be multiple, described first projector,
Described second projector and described 3rd projector are evenly arranged each along the circumference of described projection screen.
Immersive VR screen prjection system the most according to claim 1, it is characterised in that institute
State that vertical curtain includes being sequentially connected with first founds curtain, second founds curtain and the 3rd and found curtain, and described first founds curtain and described
3rd stands and is oppositely arranged about curtain, described first founds curtain, described second founds curtain and the described 3rd and stand the two ends of curtain
Be connected with described top curtain and described ground curtain respectively, described first stand curtain, described second stand curtain, the described 3rd
Vertical curtain, described ground curtain and described top curtain are all in plane.
Immersive VR screen prjection system the most according to claim 6, it is characterised in that institute
State the second projector and be provided with four, four described second projectors along described projection screen length direction side by side
Arranging, one of them described second projector projects being positioned at left side founds curtain in the described 3rd, is positioned at right side
One of them described second projector projects founds curtain in described first, and two middle described second projectors are thrown
Penetrate in founding curtain in described second.
Immersive VR screen prjection system the most according to claim 6, it is characterised in that institute
State first to found curtain and described second and stand between curtain and the described 3rd found curtain and described second angle standing between curtain
It is obtuse angle.
Immersive VR screen prjection system the most according to claim 6, it is characterised in that institute
State first to found curtain and described second and stand between curtain and the described 3rd found curtain and described second and stand and be equipped with between curtain
Arc transition portion.
Immersive VR screen prjection system the most according to any one of claim 1 to 9,
It is characterized in that, also including Multichannel fusion system, described Multichannel fusion system is in order to realize described top curtain
And the image between described vertical curtain, between described ground curtain and described vertical curtain is seamless spliced.
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| CN201610560002.5A CN106028012A (en) | 2016-07-12 | 2016-07-12 | Immersive virtual reality screen projection system |
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| CN201610560002.5A CN106028012A (en) | 2016-07-12 | 2016-07-12 | Immersive virtual reality screen projection system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107659801A (en) * | 2017-05-12 | 2018-02-02 | 杭州隅千象科技有限公司 | Projecting method, system and the projecting apparatus of the multi-direction ring curtain all standing of arranged crosswise |
| CN108492724A (en) * | 2018-02-05 | 2018-09-04 | 中国科学院长春光学精密机械与物理研究所 | A kind of immersion display device and VR equipment adapting to visual characteristic |
| CN110847645A (en) * | 2019-07-13 | 2020-02-28 | 湖南泉奇服饰有限公司 | Novel guest room and holographic hotel service method |
| JP2020162011A (en) * | 2019-03-27 | 2020-10-01 | パナソニックＩｐマネジメント株式会社 | Video projection system |
| CN111741280A (en) * | 2020-06-12 | 2020-10-02 | 广州时间网络科技有限公司 | Wall hole immersive projection device and projection method |
| CN112887688A (en) * | 2021-01-21 | 2021-06-01 | 同济大学建筑设计研究院(集团)有限公司 | BIM (building information modeling) model virtual display system and use method thereof |
| CN114706232A (en) * | 2022-04-19 | 2022-07-05 | 河南艺树文化创意有限公司 | A visual immersive stereo projection device |
| CN115002428A (en) * | 2022-04-28 | 2022-09-02 | 北京连屏科技有限公司 | an immersive space system |
| CN117420721A (en) * | 2023-11-24 | 2024-01-19 | 中国船舶集团有限公司第七一九研究所 | Five-side immersion projection system based on front projection and rear projection mixed light path |
| CN118675379A (en) * | 2024-06-05 | 2024-09-20 | 山东启新信息科技有限公司 | Virtual reality interactive teaching system based on naked eye 3D display technology |
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