CN110320736A - A kind of projection display system not limited by place and method - Google Patents
A kind of projection display system not limited by place and method Download PDFInfo
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- CN110320736A CN110320736A CN201910604897.1A CN201910604897A CN110320736A CN 110320736 A CN110320736 A CN 110320736A CN 201910604897 A CN201910604897 A CN 201910604897A CN 110320736 A CN110320736 A CN 110320736A
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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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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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
- H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the present invention discloses the projection display system and method that one kind is not limited by place, size datum mark is printed on the outside of protective layer, after adsorption layer removes release layer, projection film is bonded as one through adsorption layer and supporting body.The size datum that image collection module obtains protective layer identifies image information；Size processing module identifies the dimension information that image information obtains projection film according to size datum；Data memory module stores data for projection information；Data terminal and projection terminal are carried out data transmission by data communication module.Light source provides the throw light projected to data for projection information；The throw light that light processing module issues light source is collected processing；The projected picture information for the data for projection that the storage of image display chip is shown by throw light；Projection objective projects to projected picture information in image display body.The present invention can match with handheld device, not limited by application site, easy to carry and flexible configuration display size.
Description
Technical field
The present embodiments relate to image display technology fields, and in particular to the Projection Display system that one kind is not limited by place
System and method.
Background technique
Visual perception is the main path in the human perception external world, and the information about 80% of people's perception is obtained by vision response
?.As the main path that people interacts with information world, display technology is widely used in various fields, such as amusement, education and work
Industry etc., and increasingly important role is played in daily life and social activities, display technology thoroughly changes
People's lives modes.
Currently, the realization of display is mainly by liquid crystal display or Projection Display mode, liquid crystal display is super for plane
Thin display equipment is made of a certain number of colored or monochrome pixels, is placed in front of light source or reflecting surface, is pierced with electric current
Swash liquid crystal molecule and generates point, line, surface cooperation back fluorescent tube composition picture.Projection Display is to control light source by flat image information,
Image is amplified using optical system and projector space and is shown on the projection screen.
In existing display technology, the use of liquid crystal display makes display be confined to the size of screen, especially exists
In the application of personal hand-held equipment, the size of display is limited to by screen, is inconvenient to carry out wide-field viewing under many occasions.It throws
The mode that shadow is shown usually relies on projection screen to obtain the picture of high quality, and projection screen is mounted on specific field
It closes, flexibly can not be moved and be laid according to the transfer of using area.In the prior art, lacking one kind can set with hand-held
It is not limited by application site for matching and the display technology scheme of high-quality screen can be obtained.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of projection display system not limit by place and method, can with hold
Equipment matches, and is not limited by application site, and high-quality screen can be obtained, and help to obtain wide-field display interface.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions: the projection that one kind is not limited by place
Display system, including image display body, supporting body, data terminal and projection terminal；
The image display body includes the identical release layer of size, adsorption layer, projection film and protective layer, the protective layer
Outside is printed with size datum mark, and after the adsorption layer removes the release layer, projection film is held through the adsorption layer with described
Carrier is bonded as one；
The data terminal is equipped with image collection module, size processing module, data memory module and data communication module,
Described image obtains the size datum mark image information that module is used to obtain the protective layer；The size processing module is used for
The dimension information that image information obtains projection film is identified according to the size datum；The data memory module is for storing projection
Data information；The data communication module carries out data transmission for the data terminal and projection terminal；
The projection terminal is equipped with light source, light processing module, image display chip and projection objective, and the light source is used for
The throw light projected to data for projection information is provided；The light processing module is used for the projection issued to the light source
Light is collected processing；Described image display chip is used to store the projection of the data for projection shown by the throw light
Image information；The projection objective is used to the projected picture information projecting to the image display body.
As the preferred embodiment for the projection display system not limited by place, the release layer is bonded by the adsorption layer
There is the protective layer in the projection film, the projection film outside by Electrostatic Absorption；
The release layer uses release paper, and the projection film is using light grey and Dark grey projection film.
As the preferred embodiment for the projection display system not limited by place, the size datum mark is using round, fan
Shape, square, triangle, five-pointed star pattern, the size datum mark are filled in the surface of the protective layer.
As the preferred embodiment for the projection display system not limited by place, the release layer, adsorption layer, projection film and guarantor
Sheath uses segmented, and release layer, adsorption layer, projection film and protective layer are equipped with pre-incision lines, and the size datum mark is adopted
With a quarter circle, size datum identifies the pre-incision lines two sides for being distributed in protective layer, after four protective layer splicings
The size datum of intersection identifies to form circle.
As the preferred embodiment for the projection display system not limited by place, the data terminal further includes that audio plays mould
Block, the audio playing module are used to play the audio-frequency information of data for projection；
The projection terminal further includes range finder module, and the range finder module is for obtaining the projection terminal and the image
The spacing of display body.
As the preferred embodiment for the projection display system not limited by place, the supporting body uses glass curtain wall；It is described
Data terminal uses smart phone.
The embodiment of the present invention also provides a kind of method for displaying projection not limited by place, comprising the following steps:
1) release layer of image display body is removed, exposes adsorption layer, the projection film of the image display body is passed through
The adsorption layer is bonded in the surface of supporting body, keeps the protective layer of the projection film exposed；
2) image information for obtaining the size datum mark of the protective layer, believes according to the image of size datum mark
Breath obtains projection film dimension information to be shown, determines that removing the protective layer after the projection film dimension information keeps projection film naked
Dew；
3) the data for projection information of data terminal is transferred to projection terminal, provides and data for projection information is projected
Throw light is collected the projected picture letter that processing obtains the data for projection that the throw light is shown to the throw light
Breath；
4) by the projected picture information according to the projection film dimension information Projection Display in the projection film.
As the preferred embodiment for the method for displaying projection not limited by place, the release layer, adsorption layer, projection film and guarantor
Sheath uses segmented, and release layer, adsorption layer, projection film and protective layer are equipped with pre-incision lines, and the size datum mark is adopted
With a quarter circle, size datum, which identifies, is distributed in the pre-incision lines two sides of protective layer, by four sections of image display bodies splicings with
It is bonded in the surface of supporting body afterwards.
As the preferred embodiment for the method for displaying projection not limited by place, by the projected picture information according to the throwing
Shadow film dimension information Projection Display is in the projection film and plays the audio-frequency information of data for projection.
As the preferred embodiment for the method for displaying projection not limited by place, further include in the step 2), described in acquisition
The deformation information of size datum mark determines that the deformation of the projection film is believed according to the deformation information that the size datum identifies
Breath, according to the deformation information of the projection film to data for projection information into deformation process.
The embodiment of the present invention has the advantages that image display body is equipped with the identical release layer of size, adsorption layer, projection film
And protective layer, size datum mark is printed on the outside of protective layer, after adsorption layer removes release layer, projection film through adsorption layer with hold
Carrier is bonded as one.Data terminal is equipped with image collection module, size processing module, data memory module and data communication mould
Block, the size datum that image collection module obtains protective layer identify image information；Size processing module is identified according to size datum
The dimension information of image information acquisition projection film；Data memory module stores data for projection information；Data terminal and projection terminal
Carried out data transmission by data communication module.Projection terminal is equipped with light source, light processing module, image display chip and projection
Object lens, light source provide the throw light projected to data for projection information；The projection light that light processing module issues light source
Line is collected processing；The projected picture information for the data for projection that the storage of image display chip is shown by throw light；Projection
Object lens project to projected picture information in image display body.The present invention can match with handheld device, not by application site
Limitation, can obtain high-quality screen, help to obtain wide-field display interface, and easy to carry and flexible configuration shows ruler
It is very little.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is the projection display system schematic diagram that the one kind provided in the embodiment of the present invention is not limited by place；
Fig. 2 is the projection display system configuration diagram that the one kind provided in the embodiment of the present invention is not limited by place；
Fig. 3 is the projection display system image display body structure that the one kind provided in the embodiment of the present invention is not limited by place
Schematic diagram；
Fig. 4 is that the image display body size datum provided in the embodiment of the present invention identifies schematic diagram；
Fig. 5 is the image display body size datum mark splicing schematic diagram provided in the embodiment of the present invention；
Fig. 6 is the method for displaying projection flow diagram that the one kind provided in the embodiment of the present invention is not limited by place.
In figure: 1, image display body；2, supporting body；3, data terminal；4, projection terminal；5, release layer；6, adsorption layer；7,
Projection film；8, protective layer；9, size datum identifies；10, image collection module；11, size processing module；12, data store mould
Block；13, data communication module；14, light source；15, light processing module；16, image display chip；17, projection objective；18, sound
Frequency playing module；19, range finder module.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Referring to figure 1, figure 2 and figure 3, a kind of projection display system not limited by place is provided, including image display body 1,
Supporting body 2, data terminal 3 and projection terminal 4.The supporting body 2 uses glass curtain wall；The data terminal 3 is using intelligent hand
Machine.The image display body 1 includes the identical release layer 5 of size, adsorption layer 6, projection film 7 and protective layer 8, the protective layer 8
Outside be printed with size datum mark 9, after the adsorption layer 6 removes the release layer 5, projection film 7 through the adsorption layer 6 with
The supporting body 2 is bonded as one.The data terminal 3 is equipped with image collection module 10, size processing module 11, data storage
Module 12 and data communication module 13, described image obtain size datum 9 shadows of mark that module 10 is used to obtain the protective layer 8
As information；The size processing module 11 is used to identify the size letter that 9 image informations obtain projection film 7 according to the size datum
Breath；The data memory module 12 is for storing data for projection information；The data communication module 13 is used for the data terminal 3
Carry out data transmission with projection terminal 4.The projection terminal 4 is equipped with light source 14, light processing module 15, image display chip 16
With projection objective 17, the light source 14 is for providing the throw light projected to data for projection information；The light processing
The throw light that module 15 is used to issue the light source 14 is collected processing；Described image display chip 16 is logical for storing
Cross the projected picture information for the data for projection that the throw light is shown；The projection objective 17 is for believing the projected picture
Breath projects in the image display body 1.The data terminal 3 further includes audio playing module 18, the audio playing module
18 for playing the audio-frequency information of data for projection.The projection terminal 4 further includes range finder module 19, and the range finder module 19 is used for
Obtain the spacing of the projection terminal 4 and the image display body 1.
Specifically, image display chip 16 uses dmd chip, dmd chip is made of thousands of a micromirrors, micromirror
Unit is fixed on yoke, torsion hinge structure connection yoke and pillar, and Torque force hinge joint structure allows eyeglass to rotate.Dmd chip is borrowed
The light for helping micro-mirror device reflection to need, while unwanted light absorbed by light absorber to realize the projection of image, and its light
It is then to be realized by control micromirror angle by electrostatic interaction according to direction.
In the one embodiment for the projection display system not limited by place, the release layer 5 is viscous by the adsorption layer 6
It connects the projection film 7, has the protective layer 8 by Electrostatic Absorption on the outside of the projection film 7.The release layer 5 uses release paper,
The projection film 7 is using light grey and Dark grey projection film.
Specifically, release paper can prevent prepreg adhesion, and it is not contaminated to can protect prepreg.Release layer 5 from
Type paper is bonded with projection film 7 by adsorption layer 6 and is integrated, and when needing using projection film 7, is opened release layer 5, is passed through adsorption layer
6 are attached to projection film 7 on supporting body 2, and supporting body 2 can be glass or wall.Adsorption layer 6 uses adhesive.Protective layer 8 can be with
It is bonded by electrostatic interaction with projection film 7 using PET material and projection film 7 is protected.
Specifically, light grey and Dark grey projection film 7 has high-resolution, resistance to strong light, ultra-thin, anti-aging etc. incomparable
Numerous advantages.It is core material, fusion by the other nanocomposite optical component full figure color filter crystalline solid (HCFC) of molecular level
Nanotechnology, the multidisciplinary achievement such as materialogy, optics, macromolecule and processing technology of preparing, with organic material, inorganic nanometer powder
It is raw material with fine metal powder, produces.Advanced precision optics structure is contained in frivolous inside, causes high-resolution, height to reach
The perfect imaging of brightness.
Referring to fig. 4 and Fig. 5, in the one embodiment for the projection display system not limited by place, the size datum mark
Circle, sector, square, triangle, five-pointed star pattern can be used by knowing 9, and the size datum mark 9 is filled in the protection
The surface of layer 8.The release layer 5, adsorption layer 6, projection film 7 and protective layer 8 use segmented, release layer 5, adsorption layer 6, projection
Film 7 and protective layer 8 are equipped with pre-incision lines, and the size datum mark 9 is round using a quarter, and size datum identifies 9 points
For cloth in the pre-incision lines two sides of protective layer 8, the size datum mark 9 that four protective layers 8 splice later intersection forms circle
Shape.Specifically, the size between adjacent two size datums mark 9 be it is default and known, image collection module 10 passes through
It obtains size datum and identifies 9 image informations, the distribution of size datum mark 9 is identified, to be based on known size base
Standard identifies the size of image display body 1.
Referring to Fig. 6, the embodiment of the present invention also provides a kind of method for displaying projection not limited by place, including following step
It is rapid:
S1: the release layer 5 of image display body 1 being removed, adsorption layer 6 is exposed, by the projection film of the image display body 1
7 are bonded in the surface of supporting body 2 by the adsorption layer 6, keep the protective layer 8 of the projection film 7 exposed；
S2: the image information of the size datum mark 9 of the protective layer 8 is obtained, according to the shadow of size datum mark 9
As 7 dimension information of projection film that acquisition of information is to be shown, determine that removing the protective layer 8 after 7 dimension information of projection film makes
Projection film 7 is exposed；
S3: the data for projection information of data terminal 3 is transferred to projection terminal 4, provides and data for projection information is thrown
The throw light of shadow is collected the shadowgraph that processing obtains the data for projection that the throw light is shown to the throw light
Face information；
S4: the projected picture information in the projection film 7 and is broadcast according to the 7 dimension information Projection Display of projection film
Put the audio-frequency information of data for projection.
In the one embodiment for the method for displaying projection not limited by place, the release layer 5, adsorption layer 6, projection film 7
Segmented is used with protective layer 8, release layer 5, adsorption layer 6, projection film 7 and protective layer 8 are equipped with pre-incision lines, the size base
Fiducial mark knows 9 using a quarter circle, and size datum mark 9 is distributed in the pre-incision lines two sides of protective layer 8, four sections of images are shown
Show the surface that supporting body 2 is bonded in after body 1 splices.Specifically, the size between adjacent two size datums mark 9 is pre-
If simultaneously known, image collection module 10 identifies 9 image informations by obtaining size datum, the distribution to size datum mark 9
It is identified, to identify the size of image display body 1 based on known size datum.
It further include obtaining the size in the S2 in the one embodiment for the method for displaying projection not limited by place
The deformation information of Datum identifier 9 determines the deformation information of the projection film 7 according to the deformation information of size datum mark 9,
According to the deformation information of the projection film 7 to data for projection information into deformation process.Specifically, size datum mark 9 is undeformed
In the case where be rule test pattern, by construct geometry deformation function model, according to size datum mark 9 deformation parameter
The deformation that projection film 7 is fitted on supporting body 2 is judged, to carry out distorted projections to obtain curved-surface display result.
Specifically, realizing that the processing of curved-surface display image can use the prior art, for example have by obtaining with projection film 7
The physical curvature information of pass；Determine the central area of input picture based on physical curvature information, physical curvature information include about
The information of the information of the concave part of projection film 7 or the convex portions about projection film 7；Based in identified input picture
The color component gain of heart Area generation spatial index pixel-by-pixel, wherein the color component gain of spatial index is in pixel-by-pixel
Central area when heart district domain is the concave part of projection film 7 far from image reduces, and the color of spatial index point pixel-by-pixel
Central area of the flow gain when central area is the convex portions of projection film 7 far from image increases；And by using by picture
The color component gain of plain spatial index corrects the pixel value of input picture.
Image of embodiment of the present invention display body 1 is equipped with the identical release layer 5 of size, adsorption layer 6, projection film 7 and protective layer
8, the outside of protective layer 8 be printed with size datum mark 9, adsorption layer 6 remove release layer 5 after, projection film 7 through adsorption layer 6 with hold
Carrier 2 is bonded as one.Data terminal 3 is equipped with image collection module 10, size processing module 11,12 sum number of data memory module
According to communication module 13, the size datum that image collection module 10 obtains protective layer 8 identifies 9 image informations；Size processing module 11
The dimension information that 9 image informations obtain projection film 7 is identified according to size datum；Data memory module 12 stores data for projection letter
Breath；Data terminal 3 and projection terminal 4 are carried out data transmission by data communication module 13.Projection terminal 4 is equipped with light source 14, light
Line processing module 15, image display chip 16 and projection objective 17, light source 14 provide the throwing projected to data for projection information
Penetrate light；The throw light that light processing module 15 issues light source 14 is collected processing；The storage of image display chip 16 is logical
Cross the projected picture information for the data for projection that throw light is shown；Projected picture information is projected to image and shown by projection objective 17
On body 1.The present invention can match with handheld device, not limited by application site, and high-quality screen can be obtained, and be conducive to obtain
Obtain wide-field display interface, easy to carry and flexible configuration display size.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. the projection display system that is not limited by place of one kind, which is characterized in that including image display body (1), supporting body (2),
Data terminal (3) and projection terminal (4)；
The image display body (1) includes the identical release layer of size (5), adsorption layer (6), projection film (7) and protective layer (8),
It is printed with size datum mark (9) on the outside of the protective layer (8), after the adsorption layer (6) removes the release layer (5), throws
Shadow film (7) is bonded as one through the adsorption layer (6) and the supporting body (2)；
The data terminal (3) is equipped with image collection module (10), size processing module (11), data memory module (12) sum number
According to communication module (13), described image obtains the shadow that module (10) are used to obtain the size datum mark (9) of the protective layer (8)
As information；The image information that the size processing module (11) is used to identify (9) according to the size datum obtains projection film (7)
Dimension information；The data memory module (12) is for storing data for projection information；The data communication module (13) is used for
The data terminal (3) and projection terminal (4) carry out data transmission；
The projection terminal (4) is equipped with light source (14), light processing module (15), image display chip (16) and projection objective
(17), the light source (14) is for providing the throw light projected to data for projection information；The light processing module
(15) throw light for issuing to the light source (14) is collected processing；Described image display chip (16) is for storing
Pass through the projected picture information for the data for projection that the throw light is shown；The projection objective (17) is used for the shadowgraph
Face information projects on the image display body (1).
2. the projection display system that one kind according to claim 1 is not limited by place, which is characterized in that the release layer
(5) it is bonded the projection film (7) by the adsorption layer (6), there is the protection in projection film (7) outside by Electrostatic Absorption
Layer (8)；
The release layer (5) uses release paper, and the projection film (7) is using light grey and Dark grey projection film (7).
3. the projection display system that one kind according to claim 1 is not limited by place, which is characterized in that the size base
Fiducial mark knows (9) and uses circle, sector, square, triangle, five-pointed star pattern, and the size datum mark (9) is filled in described
The surface of protective layer (8).
4. the projection display system that one kind according to claim 1 is not limited by place, which is characterized in that the release layer
(5), adsorption layer (6), projection film (7) and protective layer (8) use segmented, release layer (5), adsorption layer (6), projection film (7) and
Protective layer (8) is equipped with pre-incision lines, and the size datum mark (9) is round using a quarter, and size datum identifies (9) point
Cloth is in the pre-incision lines two sides of protective layer (8), and the size datum of intersection identifies (9) after four protective layers (8) are spliced
It is formed round.
5. the projection display system that one kind according to claim 1 is not limited by place, which is characterized in that the data are whole
Holding (3) further includes audio playing module (18), and the audio playing module (18) is used to play the audio-frequency information of data for projection；
The projection terminal (4) further includes range finder module (19), and the range finder module (19) is for obtaining the projection terminal (4)
With the spacing of the image display body (1).
6. the projection display system that one kind according to claim 1 is not limited by place, which is characterized in that the supporting body
(2) glass curtain wall is used；The data terminal (3) uses smart phone.
7. the method for displaying projection that one kind is not limited by place, which comprises the following steps:
1) release layer (5) of image display body (1) is removed, adsorption layer (6) is exposed, by the throwing of the image display body (1)
Shadow film (7) is bonded in the surface of supporting body (2) by the adsorption layer (6), keeps the protective layer (8) of the projection film (7) exposed；
2) image information for obtaining the size datum mark (9) of the protective layer (8) identifies (9) according to the size datum
Image information obtains projection film to be shown (7) dimension information, removes the protection after determining the projection film (7) dimension information
Layer (8) keeps projection film (7) exposed；
3) the data for projection information of data terminal (3) is transferred to projection terminal (4), provides and data for projection information is projected
Throw light, the projected picture that processing obtains the data for projection that the throw light is shown is collected to the throw light
Information；
4) by the projected picture information according to the projection film (7) dimension information Projection Display in the projection film (7).
8. the method for displaying projection that one kind according to claim 7 is not limited by place, which is characterized in that the release layer
(5), adsorption layer (6), projection film (7) and protective layer (8) use segmented, release layer (5), adsorption layer (6), projection film (7) and
Protective layer (8) is equipped with pre-incision lines, and the size datum mark (9) is round using a quarter, and size datum identifies (9) point
Cloth will be bonded in the surface of supporting body (2) in the pre-incision lines two sides of protective layer (8) after four sections of image display body (1) splicings.
9. the method for displaying projection that one kind according to claim 7 is not limited by place, which is characterized in that by the projection
Image information in the projection film (7) and plays the audio of data for projection according to the projection film (7) dimension information Projection Display
Information.
10. the method for displaying projection that one kind according to claim 7 is not limited by place, which is characterized in that the step
2) further include the deformation information for obtaining the size datum mark (9) in, believed according to the deformation that the size datum identifies (9)
Breath determines the deformation information of the projection film (7), according to the deformation information of the projection film (7) to data for projection information into deformation
Processing.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554132A (en) * | 2020-05-18 | 2020-08-18 | 许昌学院 | Multimedia teaching selection projection instrument |
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