CN110189660A - A kind of immersion panorama floating imaging system - Google Patents

A kind of immersion panorama floating imaging system Download PDF

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Publication number
CN110189660A
CN110189660A CN201910491484.7A CN201910491484A CN110189660A CN 110189660 A CN110189660 A CN 110189660A CN 201910491484 A CN201910491484 A CN 201910491484A CN 110189660 A CN110189660 A CN 110189660A
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CN
China
Prior art keywords
light
module
display
immersion
reflection
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Pending
Application number
CN201910491484.7A
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Chinese (zh)
Inventor
郭俊达
孔令胜
刁志辉
贾平
刘小沣
严树峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority date (The priority date 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 date listed.)
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Application filed by Changchun Institute of Optics Fine Mechanics and Physics of CAS filed Critical Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority to CN201910491484.7A priority Critical patent/CN110189660A/en
Publication of CN110189660A publication Critical patent/CN110189660A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Miscellaneous advertising or display means not provided for elsewhere
    • G09F19/12Miscellaneous advertising or display means not provided for elsewhere using special optical effects
    • G09F19/18Miscellaneous advertising or display means not provided for elsewhere using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Abstract

The invention discloses a kind of immersion panorama floating imaging systems, comprising: for carrying out the display module of multi-section display by panoramic picture to be watched progress multidomain treat-ment and by the panoramic picture after multidomain treat-ment, being used to the light that display module issues carrying out the spectral module of light-splitting processing and the light backtracking for being used to that spectral module to be made to reflect and pooling the reflex reflection curtain wall of panorama floating image after spectral module;Light-splitting processing includes that the light for issuing display module passes through spectral module and reflects the light that display module issues.Compared with the prior art, immersion panorama floating imaging system provided by the invention is formed by panorama floating real image, observer can be watched by floating real image around carrying out 360 °, the panorama perception of immersion can be brought for viewer, when applied to scenes such as stage, exhibitions, the presence of floating real image can bring big visual field, multi-faceted immersion perception.

Description

A kind of immersion panorama floating imaging system
Technical field
The present invention relates to floating technical field of imaging, more specifically to a kind of immersion panorama floating imaging system.
Background technique
Floating imaging is a kind of novel imaging technique, which can make image directly suspend oneself being presented in other than equipment By in space, viewer does not need wearing special glasses or wear-type device, but directly can watch with naked eye aerial Image can bring novel, fantasy visual impact sense for people.
It is applied to the class line holographic projections technology of the scenes such as news conference, concert and exhibition room exhibition in the prior art, is to realize The common method of floating imaging effect.This method is not proper line holographic projections, but utilizes Peoper's ghost principle A kind of technical solution with line holographic projections effect of realization, the light issued by light source is by holographic film or the folding of light splitting glass After penetrating and reflecting, final imaging suspension in the sky.But since this method imaging is the virtual image far from viewer, and viewing angle Degree is limited, therefore can not obtain good feeling of immersion and the sense of reality.
In the prior art can by roof lens array structure, Dihedral Corner Reflectors array structure, in conjunction with reflecting material It going to solve the above problems with the implementation structure of optical splitter, floating picture formed by these technical solutions is the real image close to viewer, The stronger sense of reality can be given.However, roof lens array structure imaging can occur one with the change of view direction Fixed inclination and stretcher strain;Dihedral Corner Reflectors array structure is complicated, and difficulty of processing is big, higher cost;Although in conjunction with converse The implementation structure for penetrating material and optical splitter is relatively simple flexibly, but it is all very limited with the field angle that as the above two, may be viewed by, Still lack big visual field, multi-faceted immersion perception.
It is current art technology in conclusion how to provide a kind of imaging technique with stronger immersion perception Personnel's urgent problem to be solved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of immersion panorama floating imaging system, may be implemented big visual field, Multi-faceted immersion perception.
To achieve the goals above, the invention provides the following technical scheme:
A kind of immersion panorama floating imaging system, comprising: for panoramic picture to be watched to be carried out multidomain treat-ment simultaneously Panoramic picture after the multidomain treat-ment is subjected to the display module of multi-section display, the light for being used to issue the display module Line carries out the spectral module of light-splitting processing and for making the light backtracking of the spectral module reflection and passing through described point Convergence forms the reflex reflection curtain wall of panorama floating image after optical module;
The light-splitting processing includes that the light for issuing the display module passes through the spectral module and described will show The light for showing that module issues is reflected.
Preferably, the display module includes the image procossing mould that the panoramic picture to be watched is carried out to multidomain treat-ment Block and display for showing the panoramic picture after the multidomain treat-ment;
Described image processing module is connect with the display.
Preferably, the surface of the display is provided with the direction of propagation for controlling the display emitted light Light controlling film.
Preferably, the spectral module is that half-reflection and half-transmission is divided cloche, and half-reflection and half-transmission light splitting cloche is by extremely The light splitting glass plate of few three half-reflection and half-transmissions surrounds in the circumferential.
Preferably, the half-reflection and half-transmission light splitting cloche includes the identical light splitting glass plate of four sizes, and described Light splitting glass plate is isosceles triangle, and half-reflection and half-transmission light splitting cloche is positive tetragonous wimble structure.
Preferably, the display includes four Curved screens, and the Curved screen is the curved surface with a quarter cylinder Screen, the Curved screen and the light splitting glass plate correspond;The cylinder is the display surface of the Curved screen.
Preferably, the angle between the light splitting glass plate and the positive rectangular pyramid bottom surface is 45 °, the Curved screen length The axis in direction is parallel with the bottom surface of the positive rectangular pyramid.
Preferably, the reflex reflection curtain wall is the cylindrical side for surrounding the spectral module completely or square prism side Face.
Preferably, the reflex reflection curtain wall is the reflex reflection curtain wall or the reflex reflection curtain of micro-prism type reflecting material Wall is the reflex reflection curtain wall of microbead type reflecting material.
Preferably, the spectral module is provided with gesture identifying device and ultrasonic wave haptic feedback devices, and the hand Gesture identification device and the ultrasonic wave haptic feedback devices are connect with the display module.
Immersion panorama floating imaging system provided by the invention, comprising: for panoramic picture to be watched to be carried out subregion The light for handling and the panoramic picture after multidomain treat-ment being subjected to the display module of multi-section display, is used to issue display module After line carries out the spectral module of light-splitting processing and the light backtracking for reflecting spectral module and passes through spectral module Pool the reflex reflection curtain wall of panorama floating image;Light-splitting processing include make display module issue light pass through spectral module, And the light that display module issues is reflected.
During use, panoramic picture to be shown is carried out multidomain treat-ment by display module, and by multidomain treat-ment it Panoramic picture afterwards carries out multi-section display, and display module can issue light during panoramic picture after showing multidomain treat-ment Line, the light that display module issues reach spectral module, and a part of light passes through spectral module, and a part of light is split module Reflection;Light across spectral module will not converge in spectral module, thus will not observed person observe, reflected light After line reaches reflex reflection curtain wall, backtracking under the action of reflex reflection curtain wall;Light after return reaches spectral module, this When, the module that a part of light is further split reflects, and another part passes through spectral module and converges in spectral module, is formed Panorama suspension real image;Further reflected light line will not be imaged in the observation scope of observer, therefore it is real not influence to suspend The observation effect of picture.
Compared with the prior art, it is real to be formed by panorama floating for immersion panorama floating imaging system provided by the invention Picture, observer can bring the panorama perception of immersion, application by floating real image around 360 ° of viewings are carried out for viewer When the scenes such as stage, exhibition, the presence of floating real image can bring big visual field, multi-faceted immersion perception.
In addition, transparent touch, the more sense of reality can be carried out due to being formed by as floating real image;And this The immersion panorama floating imaging system provided is invented by static, fixed structure composition, therefore by environment temperature, humidity etc. Influence is smaller, and the optical texture of system is less likely to occur to deform or misplace, and keeps the stability of imaging relatively good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the specific embodiment one of immersion panorama floating imaging system provided by the present invention;
Fig. 2 is the top view of immersion panorama floating imaging system;
Fig. 3 is the structural schematic diagram of display module;
Fig. 4 is the schematic diagram of imaging effect.
In Fig. 1-4:
1 it is display module, 11 be display unit, 12 be image processing module, 13 be Curved screen, 14 is light controlling film, 2 It is light splitting glass plate for spectral module, 21,3 be reflex reflection curtain wall, 4 is panorama floating real image.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of immersion panorama floating imaging system, and big visual field, multi-faceted may be implemented Immersion perception.
Fig. 1-Fig. 4 is please referred to, Fig. 1 is the specific embodiment one of immersion panorama floating imaging system provided by the present invention Structural schematic diagram;Fig. 2 is the top view of immersion panorama floating imaging system;Fig. 3 is the structural schematic diagram of display module;Figure 4 be the schematic diagram of imaging effect.
This specific embodiment provide immersion panorama floating imaging system, comprising: for by panoramic picture to be watched into Panoramic picture after multidomain treat-ment is simultaneously carried out the display module 1 of multi-section display, is used for display module 1 by row multidomain treat-ment The light of sending carries out the spectral module 2 of light-splitting processing and the light backtracking for reflecting spectral module 2 and passes through The reflex reflection curtain wall 3 of panorama floating image is pooled after spectral module 2;Light-splitting processing includes the light for issuing display module 1 It is reflected across spectral module 2 and by the light that display module 1 issues.
During use, panoramic picture to be shown is carried out multidomain treat-ment by display module 1, and by multidomain treat-ment it Panoramic picture afterwards carries out multi-section display, and display module 1 can issue light during panoramic picture after showing multidomain treat-ment Line, the light that display module 1 issues reach spectral module 2, and a part of light passes through spectral module 2, and a part of light is split Module 2 reflects;Light across spectral module 2 will not converge in spectral module 2, thus will not observed person observe, quilt After the light of reflection reaches reflex reflection curtain wall 3, backtracking under the action of reflex reflection curtain wall 3;Light after return reaches Spectral module 2, at this point, return light in a part of light be further split module 2 reflection, another part pass through light splitting mould Block 2 simultaneously converges in spectral module 2, forms panorama suspension real image;Further reflected light line will not be in the observation of observer Imaging in range, therefore the observation effect of suspension real image is not influenced.
It needs to be illustrated, after reaching spectral module 2 due to light, can both pass through spectral module 2, it can also be with The module that is split 2 reflects, but light is that whether there is or not several, such as: it is original when spectral module 2 is half-reflection and half-transmission glass plate The quantity that the light that display module 1 issues reaches spectral module 2 is 1, has 0.5 light to pass through spectral module 2, in addition 0.5 The light module 2 that is split reflexes to reflex reflection curtain wall 3, the light of this part 0.5 backtracking under the action of reflex reflection curtain wall 3 To spectral module 2, there is 0.25 light to be further split the reflection of module 2, in addition 0.25 light converges after passing through spectral module 2 Combinate form is at panorama floating real image 4, although the light of only a quarter finally pools real image, at real image integrality Do not influence, only can by the brightness decay of panorama floating real image 4 at 1/4 brightness, and brightness decay can pass through increase curved surface The brightness of screen 13 is adjusted.
Compared with the prior art, immersion panorama floating imaging system provided by the invention is formed by panorama floating real image 4, observer can bring the panorama perception of immersion, application by floating real image around 360 ° of viewings are carried out for viewer When the scenes such as stage, exhibition, the presence of floating real image can bring big visual field, multi-faceted immersion perception.
In addition, transparent touch, the more sense of reality can be carried out due to being formed by as floating real image;And this The immersion panorama floating imaging system provided is invented by static, fixed structure composition, therefore by environment temperature, humidity etc. Influence is smaller, and the optical texture of system is less likely to occur to deform or misplace, and keeps the stability of imaging relatively good.
It needs to be illustrated, spectral module 2 is the material of half-reflection and half-transmission, therefore after light arrival spectral module 2 There is the light of half that can be split the reflection of module 2, the other half light passes through spectral module 2.
Panoramic picture is 360 ° of cyclic annular cylindrical pictures, therefore panoramic picture is during multi-section display, can be by 360 ° Cyclic annular cylindrical picture angularly carries out multidomain treat-ment, shows as shown in Figure 1, panoramic picture to be watched is divided into four parts Show.
On the basis of the above embodiments, can make display module 1 includes carrying out panoramic picture to be watched at subregion The image processing module 12 of reason and display for showing the panoramic picture after multidomain treat-ment;Image processing module 12 with The connection of display electric signal.
Preferably, image processing module 12 can be at computer, DSP Digital Image Processing plate or FPGA digital picture Plate etc. is managed, provides the image source for showing for completing the multidomain treat-ment of panoramic picture to be watched, and for display.
Preferably, image processing module 12 is the tower graphics workstation host computer T3620 of Dell, the video card model of carrying For NVIDIA Quadro P1000.
During use, panoramic picture to be watched is imported into image processing module 12, image processing module first 12 pairs of panoramic pictures carry out multidomain treat-ment, and send the panoramic picture after multidomain treat-ment to display, display and image It can be connected by data signal line between processing module 12, naturally it is also possible to be other connection types, with specific reference to practical feelings Condition determines.
It needs to be illustrated, in order to make panoramic picture being capable of shape after the processing of immersion panorama floating imaging system At panorama floating real image 4, then image processing module 12, at least can be by panoramic picture point 3 during carrying out multidomain treat-ment A display is shown, to show stereoscopic full views effect.
On the basis of the above embodiments, in order to avoid the light that adjacent displays are issued be formed by floating real image it Between generate interference, can the surface of display be arranged for control display emitted light the direction of propagation light control Film 14.
Preferably, light controlling film 14 covers the entire display surface of display.
Preferably, light controlling film 14 is 3M black peep-proof film.
On the basis of the above embodiments, spectral module 2 can be set to the half-reflection and half-transmission light splitting glass of half-reflection and half-transmission Cover, and half-reflection and half-transmission light splitting cloche is surrounded by the light splitting glass plate 21 of at least three half-reflection and half-transmissions circumferentially.
During use, reflex reflection curtain is reached after reflection of the image shown by display through being divided glass plate 21 Wall 3, then backtracking, some light pass through light splitting glass plate 21 and pool floating real image;It preferably, can be by adjusting aobvious Show device and be divided the angle of glass plate 21, the floating real image for enabling the convergence across each light splitting glass plate 21 to be formed is complete It combines, forms panorama floating real image 4.
Need to be illustrated, according to principle of reflection, in display shown image with across its corresponding light splitting The real image that light pools after glass plate 21 is symmetrical about light splitting glass plate 21.
In addition, light splitting glass plate 21 is the planar structure of plate structure.
On the basis of the above embodiments, the sense of reality is had more in order to make to be formed by panorama floating real image 4, can made partly anti- Semi-transparent light splitting cloche includes the light splitting glass plate of the identical isosceles triangle of four sizes, and half-reflection and half-transmission light splitting cloche is Just tetragonous wimble structure;Display includes four Curved screens 13, and Curved screen 13 and light splitting glass plate 21 correspond.
It includes the identical light splitting glass plate 21 of four sizes that half-reflection and half-transmission, which is divided cloche, and being divided glass plate 21 is isosceles Triangle, and adjacent light splitting glass plate 21 is total to stringcourse setting, and all light splitting glass plates 21 are total to vertex, so that half-reflection and half-transmission point Light cloche is positive tetragonous wimble structure.
Angle between light splitting glass plate 21 and positive rectangular pyramid bottom surface can be the unspecified angle less than 90 °, it is preferred that point Angle between light glass plate 21 and positive rectangular pyramid bottom surface is 45 °.
Preferably, display includes four Curved screens 13, and Curved screen 13 is the Curved screen with a quarter cylinder, bent Face 13 and light splitting glass plate 21 correspond;Cylinder is the display surface of Curved screen 13.
It needs to be illustrated, display can be Curved screen 13 and be also possible to other shapes of display, specific root Determine that this will not be repeated here according to actual conditions.
Preferably, half-reflection and half-transmission light splitting cloche is positive tetragonous wimble structure, and display includes four and light splitting glass plate 21 One-to-one Curved screen 13, Curved screen 13 is the identical Curved screen with a quarter cylinder of size;Institute as shown in Figure 1, Figure 2 Show, Curved screen 13 is set to the surface of light splitting glass plate 21, and the cylinder partial of Curved screen 13 is arranged downward;It is divided glass plate Angle between 21 and positive rectangular pyramid bottom surface is 45 °, and the axis of 13 length direction of Curved screen is parallel with the bottom surface of positive rectangular pyramid, again Because image shown by Curved screen 13 and corresponding floating real image are symmetrical about light splitting glass plate 21, then at this point, panorama Floating real image 4 exists perpendicular to the bottom surface of positive rectangular pyramid, as shown in figure 4, observer station is flat where the bottom surface of positive rectangular pyramid Around surrounding in face and by panorama floating real image 4, panorama floating real image 4 can be observed with 360 °.
Certainly, half-reflection and half-transmission light splitting cloche is also possible to positive pentagonal pyramid structure, positive hexagonal pyramid structure etc., corresponding , Curved screen 13 can be the Curved screen 13 with 1/5th cylinders, the Curved screen 13 with 1/6th cylinders, specific root Determine that this will not be repeated here according to actual conditions.
On the basis of the above embodiments, in order to make spectral module 2 reflect light can backtracking, can be converse Penetrating curtain wall 3 is the cylindrical side for surrounding spectral module 2 completely or square prism side.
It needs to be illustrated, reflex reflection curtain wall 3 is also possible to other shapes, need to only guarantee spectral module 2 Reflex to the light backtracking of reflex reflection curtain wall 3.
Preferably, reflex reflection curtain wall 3 is the reflex reflection curtain wall of micro-prism type reflecting material or reflex reflection curtain wall 3 is micro- The reflex reflection curtain wall of pearl type reflecting material.
On the basis of the above embodiments, feeling of immersion in order to further increase, can be in the bottom or top of spectral module 2 Gesture identifying device and ultrasonic wave haptic feedback devices are set, and gesture identifying device and ultrasonic wave haptic feedback devices are equal It is connect with display module 1.
When touching panorama floating real image 4 with hand, gesture identifying device can obtain signal, and signal is passed to image Processing module 12, image processing module 12 can make image change according to the signal of transmitting, and the image after variation is sent out Display unit 11 is given to be shown, referring herein to display unit 11 include display and light controlling film 14, and form change Panorama floating real image 4 after change, increases the experience sense of viewer;In addition, surpassing when detecting finger and touching suspension real image Sound wave feedback device can be fed back to the ultrasonic activation of finger some strength, and allowing people to feel can penetrate as having touched one Ground screen further increases feeling of immersion to increase the interactivity between people and system.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.All realities provided by the present invention Any combination mode of example is applied in the protection scope of the invention, this will not be repeated here.
Immersion panorama floating imaging system provided by the present invention is described in detail above.It is used herein A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand originally The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair , can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention In the protection scope that benefit requires.

Claims (10)

1. a kind of immersion panorama floating imaging system characterized by comprising for being divided panoramic picture to be watched Panoramic picture after the multidomain treat-ment is simultaneously carried out the display module (1) of multi-section display, is used for the display by area's processing The light that module (1) issues carries out the spectral module (2) of light-splitting processing and the light for reflecting the spectral module (2) Line backtracking simultaneously converges the reflex reflection curtain wall (3) for forming panorama floating image across the spectral module (2) afterwards;
The light-splitting processing passes through the spectral module (2) including the light for issuing the display module (1) and will be described The light that display module (1) issues is reflected.
2. immersion panorama floating imaging system according to claim 1, which is characterized in that display module (1) packet It includes and the panoramic picture to be watched is subjected to the image processing module (12) of multidomain treat-ment and for showing at the subregion The display of panoramic picture after reason;
Described image processing module (12) is connect with the display.
3. immersion panorama floating imaging system according to claim 2, which is characterized in that the surface of the display is set It is equipped with the light controlling film (14) of the direction of propagation for controlling the display emitted light.
4. according to the described in any item immersion panorama floating imaging systems of Claims 2 or 3, which is characterized in that the light splitting Module (2) is that half-reflection and half-transmission is divided cloche, and half-reflection and half-transmission light splitting cloche is by the light splitting of at least three half-reflection and half-transmissions Glass plate (21) surrounds in the circumferential.
5. immersion panorama floating imaging system according to claim 4, which is characterized in that the half-reflection and half-transmission is divided glass Glass cover includes the identical light splitting glass plate (21) of four sizes, and the light splitting glass plate (21) is isosceles triangle, institute Half-reflection and half-transmission light splitting cloche is stated to be positive tetragonous wimble structure.
6. immersion panorama floating imaging system according to claim 5, which is characterized in that the display includes four Curved screen (13), and the Curved screen (13) be the Curved screen with a quarter cylinder, the Curved screen (13) with described point Light glass plate (21) corresponds;The cylinder is the display surface of the Curved screen (13).
7. immersion panorama floating imaging system according to claim 6, which is characterized in that the light splitting glass plate (21) Angle between the positive rectangular pyramid bottom surface is 45 °, the axis and the positive rectangular pyramid of Curved screen (13) length direction Bottom surface it is parallel.
8. immersion panorama floating imaging system according to claim 1, which is characterized in that the reflex reflection curtain wall (3) For the cylindrical side for surrounding the spectral module (2) completely or square prism side.
9. immersion panorama floating imaging system according to claim 8, which is characterized in that the reflex reflection curtain wall (3) It is the converse of microbead type reflecting material for the reflex reflection curtain wall or the reflex reflection curtain wall (3) of micro-prism type reflecting material Penetrate curtain wall.
10. immersion panorama floating imaging system according to claim 9, which is characterized in that the spectral module (2) sets Gesture identifying device and ultrasonic wave haptic feedback devices are equipped with, and the gesture identifying device and the ultrasonic wave tactile are anti- Feedback device is connect with the display module (1).
CN201910491484.7A 2019-06-06 2019-06-06 A kind of immersion panorama floating imaging system Pending CN110189660A (en)

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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204154998U (en) * 2014-09-06 2015-02-11 徐继胜 360 degree of hologram display systems
CN106442544A (en) * 2016-10-18 2017-02-22 凌云光技术集团有限责任公司 Panoramic imaging system
CN107577060A (en) * 2017-10-11 2018-01-12 陈科枫 Big visual angle air-borne imagery equipment
CN108072995A (en) * 2016-11-11 2018-05-25 株式会社日本显示器 Display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204154998U (en) * 2014-09-06 2015-02-11 徐继胜 360 degree of hologram display systems
CN106442544A (en) * 2016-10-18 2017-02-22 凌云光技术集团有限责任公司 Panoramic imaging system
CN108072995A (en) * 2016-11-11 2018-05-25 株式会社日本显示器 Display device
CN107577060A (en) * 2017-10-11 2018-01-12 陈科枫 Big visual angle air-borne imagery equipment

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