CN103676451B - Use the 3D converting system of the cylindrical regulator of transmitting light from side surface - Google Patents
Use the 3D converting system of the cylindrical regulator of transmitting light from side surface Download PDFInfo
- Publication number
- CN103676451B CN103676451B CN201210364897.7A CN201210364897A CN103676451B CN 103676451 B CN103676451 B CN 103676451B CN 201210364897 A CN201210364897 A CN 201210364897A CN 103676451 B CN103676451 B CN 103676451B
- Authority
- CN
- China
- Prior art keywords
- quarter
- wave plate
- projection lens
- converting system
- cylindrical regulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The 3D converting system using the cylindrical regulator of transmitting light from side surface relates to optical field, is specifically related to a kind of 3D converting system.Use the 3D converting system of the cylindrical regulator of transmitting light from side surface.2D projection lens interface is positioned at the side of polarized light manipulator, projection window is positioned at one end of polarized light manipulator, the inner side of polarized light manipulator is provided with an illuminator, 2D projection lens interface and projection window, constitutes light by linear polarizer, quarter-wave plate mechanism and illuminator and connects；Polarized light manipulator is provided with a rotating shaft；Also including a drive mechanism, drive mechanism is provided with a drive shaft；Drive shaft links with rotating shaft；The light of 2D projection lens interface injection, after linear polarizer, quarter-wave plate mechanism and illuminator, is penetrated by projection window, is incident upon on guarantor's screen partially.By the invention it is possible to the 2D image gone out by 2D projector of simplicity is converted into 3D image.
Description
Technical field
The present invention relates to optical field, be specifically related to a kind of 3D converting system.
Background technology
At present, in the related, it is expensive that 3D scialyscope compares common 2D scialyscope, with
Time also to arrange in pairs or groups special shutter glasses, glasses internal battery, wear inconvenience, structure is loaded down with trivial details,
Compare polaroid glasses relatively costly.
Meanwhile, in the related, there are two scialyscopes of employing and two pieces of polariscopes, this mode
Add use cost undoubtedly, further need exist for the relative position of two scialyscopes is done precisely tune
Whole, operation complexity, concordance is poor, uses inconvenience.
There is 3D Optical Switching System the most excellent in, by controlling Left-hand circular polarization optical image and the right side
The frequently switching of rounding polarized light image realizes 3D conversion, has simple in construction, low cost, one-tenth
As the advantage such as effective.This system needs use 3D conversion modulator, adjusted by 3D conversion
Device processed realizes being converted into the general light image of scialyscope the Left-hand circular polarization shadow of frequently switching
Picture and right-hand circular polarization optical image.Existing 3D conversion modulator there is also cost height, performance not
The defects such as enough ideals.
Summary of the invention
It is an object of the invention to, it is provided that the 3D conversion of a kind of cylindrical regulator using transmitting light from side surface
System, solves above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
Use the 3D converting system of the cylindrical regulator of transmitting light from side surface, be provided with a 2D projection lens interface
, one projection window, it is characterised in that be interfaced to described projection window from described 2D projection lens
, walk upwards to be sequentially provided with linear polarizer and a quarter-wave plate mechanism from light path；
Described quarter-wave plate mechanism includes at least two panels quarter-wave plate, at least two panels angle phase
Different quarter-wave plate surrounds the cylindric mechanism of a Guan Bi, and described cylindric mechanism is referred to as partially
Shake light modulation
Device, described polarized light manipulator is provided with a rotating shaft；
Also include that a drive mechanism, described drive mechanism are provided with a drive shaft；Described drive shaft with
Described rotating shaft links；
Described 2D projection lens interface is positioned at the side of described polarized light manipulator, described projection window
Mouth is positioned at one end of described polarized light manipulator, and it is anti-that the inner side of described polarized light manipulator is provided with one
Light microscopic, described 2D projection lens interface and described projection window, by linear polarizer, four/
One wave plate mechanism and illuminator constitute light and connect.
The light of 2D projection lens interface injection, by linear polarizer, quarter-wave plate mechanism and anti-
After light microscopic, penetrated by described projection window, be incident upon on guarantor's screen partially.
Use the 3D converting system of cylindrical regulator of transmitting light from side surface as in 3D Optical Switching System
Key component.Above-mentioned design has the advantages such as low cost, imaging effect be good.
Described quarter-wave plate, for having the light transmission piece of quarter-wave plate function, can be conventional
Quarter-wave plate, it is also possible to for having the optics of quarter-wave plate optical effect.
Described projection window is positioned on the apparatus casing of 3D Optical Switching System.In use, 2D image
Produced by 2D scialyscope, entered in 3D Optical Switching System by 2D projection lens interface, pass through
After linear polarizer, the light in 2D image becomes line polarized light, then by after quarter-wave plate,
Light becomes circularly polarized light.Because polarized light manipulator comprises four points that at least two panels angle is different
One of wave plate, and do spinning movement, therefore the light in projection window outgoing is direction of rotation
Different circularly polarized light.The polarization eye that spectators are different by wearing secondary two eyeglass polarization angles
Mirror, the picture that two eyes can be made to see is different.The picture seen at two eyes is different
Under premise, throw in picture, and the rotating speed of polarized light manipulator by adjusting 2D scialyscope, can
To realize the left eye to people and the control of right vision picture, and then by the organic tune to equipment
Whole, receive image by protecting screen partially, it is achieved 3D shows.Protect inclined screen surfaces and contain metal ingredient,
Can ensure that reflected light remains in that polarization characteristic.
Described 2D projection lens interface is provided with lock sealing device.The camera lens of 2D scialyscope is extend into 2D
After projection lens interface, locked by lock sealing device, and seal, and then fix 2D throwing
Shadow camera lens, and prevent dust from entering.
Projected area and the width of the 2D projection lens that described 2D projection lens interface accesses respectively less than are equal to
Quarter-wave plate in described polarized light manipulator, described 2D projection lens by described four/
One wave plate blocks；
The polarization angle of each quarter-wave plate in one group of quarter-wave plate is consistent；
The polarization angle of each quarter-wave plate in another group quarter-wave plate is consistent；
The polarization angle of each quarter-wave plate in two groups of quarter-wave plates differs 90 degree.Because phase
Differ from 90 degree, so there will be left-hand polarization light and dextropolarization at the projection light that projects of window
Light, and then can be alternately present at the projection image that projects of window there is left-hand polarization light characteristic
Image and the image with dextropolarization light characteristic.Wear two panels eyeglass spectators and be respectively a left side
In the case of rotatory polarization light eyeglass and right-handed polarized light eyeglass, the picture that left eye and right eye are seen is not
With, possess the condition producing 3D visual effect.
The 3D converting system of the cylindrical regulator of described employing transmitting light from side surface also includes a microprocessor
System, described microprocessor system is provided with a video frame information input interface；Described miniature place
Reason device system is also connected with a motor driving module, and described drive mechanism is provided with a driving motor, institute
State motor driving module and connect the controlled end driving motor described in.
Described video frame information input interface can connect 2D scialyscope, obtains video by 2D scialyscope
Frame information.Described video frame information input interface can also be by connecting optical pickocff, monitoring
The video frame information of 2D scialyscope.Optical pickocff can be by monitoring the saltus step information of frame of video
Obtain video frame information.
After obtaining video frame information, microprocessor system is driven according to the video frame information of described acquisition
Dynamic described driving motor, and then drive described polarized light manipulator, it is achieved 3D changes.
Described polarized light manipulator and optical encoding disk linkage, the signal output of described optical encoding disk
End connects the signal input part of described microprocessor system.It is described micro-by optical encoding disk
The rotation information of type processor system feedback polarized light manipulator.To ensure the accuracy driven.
The optical encoding of described optical encoding disk is arranged on the periphery of the polarized light manipulator of cylindrical shape.From
And optical encoding disk is combined together with polarized light manipulator.
The rotational frequency of polarized light manipulator, determines according to the group number of polarizer group alternately, turns
Dynamic speed should be the one of the group number point of 2D scialyscope frame of video frequency.As being divided into left and right two
Polarizer group, then slewing rate should be 1/2nd of 2D scialyscope frame of video frequency, such as
Frame per second is 144hz, then the rotating speed of optical coding unit is 72 turns per second；As left and right, left in being divided into
, right four inclined sheets shake group, then slewing rate should be 2D scialyscope frame of video frequency four/
One；By that analogy.
Each quarter-wave plate in described polarized light manipulator surrounds a cylindrical shape, constitutes a cylinder
The polarized light manipulator of shape.Described projection window is positioned at the described polarized light manipulator one of cylindrical shape
End.To ensure that the light from projection window injection has circularly polarized light characteristic.
Described polarized light manipulator includes the quarter-wave plate group that two groups of polarization angles are different, two group four
The quarter-wave plate of/mono-wave plate group is strip, and the quarter-wave plate of a plurality of strip encloses
Become a cylindrical shape.
In quarter-wave plate group described in two groups, in each group quarter-wave plate group each 1/4th
Wave plate polarization angle is identical；Quarter-wave plate between quarter-wave plate group described in two groups
Polarization angle differs 90 degree.And then make the light projected away through two groups of quarter-wave plates divide
Not there is left-hand polarization light characteristic and dextropolarization light characteristic.
Described linear polarizer is attached to the outside of the quarter-wave plate of described quarter-wave plate mechanism, from
And linear polarizer and quarter-wave plate are combined, constitute a circular polarizing disk, thus simple
Change structure, or can directly use circular polarizing disk.
By the invention it is possible to the 2D image gone out by 2D projector of simplicity is converted into 3D image.
Relative to traditional 3D scialyscope, the anaglyph spectacles for wearing requires relatively low, the most common
Rotatory polarization glasses, cost is relatively low, and imaging effect is preferable, is suitable for many people and watches together.
Accompanying drawing explanation
Fig. 1 is 3D Optical Switching System overall structure schematic diagram；
Fig. 2 is the polarized light manipulator sectional structure schematic diagram that the present invention is cylindric.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be readily apparent from effect
Understand, the present invention is expanded on further below in conjunction with being specifically illustrating.
With reference to Fig. 1, Fig. 2, use the 3D converting system of the cylindrical regulator of transmitting light from side surface, be provided with one
2D projection lens interface 11, one projects window 15, from 2D projection lens interface 11 to projection window
15, walk upwards to be sequentially provided with linear polarizer 12 and a quarter-wave plate mechanism from light path.Four points
One of wave plate mechanism include that at least two panels quarter-wave plate, at least two panels angle are different four points
One of wave plate surround the cylindric mechanism of a Guan Bi, cylindric mechanism is referred to as polarized light manipulator 2,
Polarized light manipulator 2 is provided with one turn
Axle.Also including a drive mechanism 14, drive mechanism 14 is provided with a drive shaft；Drive shaft with
Rotating shaft links.2D projection lens interface 11 is positioned at the side of polarized light manipulator 2, projects window 1
5 one end being positioned at polarized light manipulator 2, the inner side of polarized light manipulator 2 is provided with an illuminator 7,
2D projection lens interface 11 and projection window 15, by linear polarizer 12, quarter-wave plate machine
Structure and illuminator 7 constitute light and connect.The light of 2D projection lens interface 11 injection, inclined by line
Shake after sheet 12, quarter-wave plate mechanism and illuminator 7, penetrated by projection window 15, projection
Partially shield protecting.
Use the 3D converting system of cylindrical regulator of transmitting light from side surface as in 3D Optical Switching System
Key component.Above-mentioned design has the advantages such as low cost, imaging effect be good.Quarter-wave plate
, for having the light transmission piece of quarter-wave plate function, can be conventional quarter-wave plate,
It can also be other optics with quarter-wave plate optical effect.
2D projection lens interface 11 is provided with lock sealing device.The camera lens of 2D scialyscope 4 extend into 2D throw
After shadow lens interface 11, locked by lock sealing device, and seal, and then fix 2D throwing
Shadow camera lens, and prevent dust from entering.
In use, 2D image is produced by 2D scialyscope 4, enters 3D light by 2D projection lens interface 11
Learn converting system, become line polarized light by the light in 2D image after linear polarizer 12, then lead to
After crossing quarter-wave plate, light becomes circularly polarized light.Because polarized light manipulator 2 comprises at least
The quarter-wave plate that two panels polarization angle is different, and do spinning movement, therefore at projection window
The light of mouth 15 outgoing is the circularly polarized light that direction of rotation is different.Spectators are by wearing a pair two
The polarising glass that eyeglass polarization angle is different, the picture that two eyes can be made to see is different.?
On the premise of the picture difference that two eyes are seen, throw in picture by adjusting 2D scialyscope 4, with
And the rotating speed of polarized light manipulator 2, it is possible to achieve left eye and the control of right vision picture to people
, and then by the organic adjustment to equipment, receive image by protecting screen partially, it is achieved 3D shows.
Protect inclined screen surfaces and contain metal ingredient, it is ensured that the light reflected remains in that polarization characteristic
。
The projected area of the 2D projection lens that 2D projection lens interface 11 accesses and width are respectively less than equal to partially
Shake the quarter-wave plate in photomodulator 2, and 2D projection lens is blocked by quarter-wave plate.Quilt
The spot size blocked is less than or equal to the size of every quarter-wave plate.Make circularly polarized light permissible
Appear from projection window 15.
With reference to Fig. 2, polarized light manipulator 2 includes two quarter-wave plate groups 22,23.One group four points
One of each quarter-wave plate in wave plate 22 in polarized light manipulator 2 rotary course, shelter from
Projection
Polarization angle during window 15 is consistent.Each quarter-wave in another group quarter-wave plate 23
Sheet is in polarized light manipulator 2 rotary course, and polarization angle when sheltering from projection window 15 is consistent
.Each quarter-wave plate in two groups of quarter-wave plates 22,23 is sheltering from projection window 15
Time polarization angle differ 90 degree.Because differing 90 degree, so project at projection window 15
Light there will be left-hand polarization light and right-handed polarized light, and then the shadow projected at projection window 15
As the image with left-hand polarization light characteristic and the shadow with dextropolarization light characteristic can be alternately present
Picture.Wear two panels eyeglass spectators and be respectively left-hand polarization light eyeglass and right-handed polarized light eyeglass
In the case of, the picture that left eye is seen with right eye is different, possesses the condition producing 3D visual effect
。
For using the electronic control system of the 3D converting system of the cylindrical regulator of transmitting light from side surface to use
Following design:
The 3D converting system using the cylindrical regulator of transmitting light from side surface also includes a microprocessor system
3, microprocessor system 3 is provided with a video frame information input interface.Microprocessor system 3 is also
Connecting a motor driving module 5, drive mechanism 14 is provided with a driving motor, motor driving module 5
Connect the controlled end of a driving motor.
Video frame information input interface can connect 2D scialyscope 4, obtains frame of video by 2D scialyscope 4
Information.Video frame information input interface can also be by connecting optical pickocff, monitoring 2D projection
The video frame information of machine 4.Optical pickocff can be regarded by the saltus step information acquisition of monitoring frame of video
Frequently frame information.After obtaining video frame information, microprocessor system 3 is according to the frame of video obtained
Information-driven drives motor, and then drives polarized light manipulator 2, it is achieved 3D changes.
Polarized light manipulator 2 links with an optical encoding disk 6, and the signal output part of optical encoding disk 6 connects
The signal input part of microprocessor system 3.It is microprocessor system by optical encoding disk 6
The rotation information of 3 feedback polarized light manipulators 2.To ensure the accuracy driven.Polarized light is modulated
The slewing rate of device 2, it should for the half of 2D scialyscope 4 frame of video frequency.If frame per second is 144h
Z, then the rotating speed of polarized light manipulator 2 is 72 turns per second.
Each quarter-wave plate in polarized light manipulator 2 surrounds a cylindrical shape, constitutes a cylindrical shape
Polarized light manipulator 2.Projection window 15 is positioned at polarized light manipulator 2 one end of cylindrical shape.To protect
Demonstrate,prove the light from projection window 12 injection and there is circularly polarized light characteristic.
Polarized light manipulator 2 includes the quarter-wave plate group 22,23 that two groups of polarization angles are different, two groups
The quarter-wave plate of quarter-wave plate group is strip, the quarter-wave plate of a plurality of strip
Surround one
Cylindric.In quarter-wave plate group 22,23, in each group quarter-wave plate group each four
/ mono-wave plate polarization angle is identical.Between two groups of quarter-wave plate groups 22,23 four/
The polarization angle of one wave plate differs 90 degree.And then make to project away through two groups of quarter-wave plates
Light be respectively provided with left-hand polarization light characteristic and dextropolarization light characteristic.
Linear polarizer 12 is attached to the outside of the quarter-wave plate of quarter-wave plate mechanism, thus by line
Polaroid combines with quarter-wave plate, constitutes a circular polarizing disk, thus simplifies structure
, or can directly use circular polarizing disk.
By the invention it is possible to the 2D image gone out by 2D projector of simplicity is converted into 3D image.
Relative to traditional 3D scialyscope, the anaglyph spectacles for wearing requires relatively low, the most common
Rotatory polarization glasses, cost is relatively low, and imaging effect is preferable, is suitable for many people and watches together.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.This
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-mentioned enforcement
The principle that the present invention is simply described described in example and description, without departing from present invention spirit and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements all fall
Enter in scope of the claimed invention.Claimed scope is by appended claim
Book and equivalent thereof define.
Claims (9)
1. use the 3D converting system of the cylindrical regulator of transmitting light from side surface, be provided with a 2D projection lens and connect
Mouth, a projection window, it is characterised in that be interfaced to described projection window from described 2D projection lens, from
Light path walks upwards to be sequentially provided with linear polarizer and a quarter-wave plate mechanism；
Described quarter-wave plate mechanism includes two groups of quarter-wave plates, in one group of quarter-wave plate
The polarization angle of each quarter-wave plate is consistent, each quarter-wave plate in another group quarter-wave plate
Polarization angle consistent, the polarization angle difference 90 of each quarter-wave plate in two groups of quarter-wave plates
Degree, and each quarter-wave plate of two groups of quarter-wave plate groups is strip, the four of a plurality of strip/
One wave plate surrounds a cylindric mechanism, and described cylindric mechanism becomes cylindric manipulator, described cylindrical shape
Manipulator does spinning movement, and described cylindrical regulator is provided with a rotating shaft；
Also include that a drive mechanism, described drive mechanism are provided with a drive shaft；Described drive shaft and institute
State rotating shaft linkage；
Described 2D projection lens interface is positioned at the side of described cylindrical regulator, and described projection window is positioned at
One end of described cylindrical regulator, the inner side of described cylindrical regulator is provided with an illuminator, described 2D
Projection lens interface and described projection window, by linear polarizer, quarter-wave plate mechanism and illuminator
Constitute light to connect；The light of 2D projection lens interface injection, by linear polarizer, quarter-wave plate
After mechanism and illuminator, penetrated by described projection window, be incident upon on guarantor's screen partially.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 1,
It is characterized in that: described quarter-wave plate, for having the optics of quarter-wave plate optical effect.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 1,
It is characterized in that: described 2D projection lens interface is provided with lock sealing device.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 1,
It is characterized in that: projected area and the width of the 2D projection lens that described 2D projection lens interface accesses are equal
Less than or equal to each quarter-wave plate in described cylindrical regulator, described 2D projection lens is described
Quarter-wave plate blocks.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 1,
It is characterized in that: described linear polarizer is attached to outside the quarter-wave plate of described quarter-wave plate mechanism
Side, thus linear polarizer is combined with quarter-wave plate.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 1,
It is characterized in that: the 3D converting system of the cylindrical regulator of described employing transmitting light from side surface also includes that one is miniature
Processor system, described microprocessor system is provided with a video frame information input interface；Described miniature place
Reason device system is also connected with a motor driving module, and described drive mechanism is provided with a driving motor, described motor
Module is driven to connect the controlled end driving motor described in.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 6,
It is characterized in that: described video frame information input interface connects 2D scialyscope, is obtained by 2D scialyscope
Video frame information.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 6,
It is characterized in that: described video frame information input interface, by connecting optical pickocff, monitors 2D scialyscope
Video frame information.
The 3D converting system of the cylindrical regulator of employing transmitting light from side surface the most according to claim 6,
It is characterized in that: described cylindrical regulator and an optical encoding disk linkage, the letter of described optical encoding disk
Number outfan connects the signal input part of described microprocessor system；The optics of described optical encoding disk is compiled
Code is arranged on the periphery of the cylindrical regulator of cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364897.7A CN103676451B (en) | 2012-09-26 | 2012-09-26 | Use the 3D converting system of the cylindrical regulator of transmitting light from side surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210364897.7A CN103676451B (en) | 2012-09-26 | 2012-09-26 | Use the 3D converting system of the cylindrical regulator of transmitting light from side surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103676451A CN103676451A (en) | 2014-03-26 |
| CN103676451B true CN103676451B (en) | 2016-08-17 |
Family
ID=50314457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210364897.7A Active CN103676451B (en) | 2012-09-26 | 2012-09-26 | Use the 3D converting system of the cylindrical regulator of transmitting light from side surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103676451B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902835A (en) * | 2019-12-04 | 2021-06-04 | 阳程科技股份有限公司 | Optical alignment detection device and detection method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573641A (en) * | 2006-12-18 | 2009-11-04 | 汤姆森特许公司 | 2D/3D projector with rotating translucent cylinder for alternating light polarisation |
| CN101881922A (en) * | 2010-05-26 | 2010-11-10 | 程亚奇 | True three-dimensional display system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3531348B2 (en) * | 1996-04-19 | 2004-05-31 | ソニー株式会社 | Optical components |
| JP3879510B2 (en) * | 2001-10-11 | 2007-02-14 | セイコーエプソン株式会社 | 3D display device |
-
2012
- 2012-09-26 CN CN201210364897.7A patent/CN103676451B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573641A (en) * | 2006-12-18 | 2009-11-04 | 汤姆森特许公司 | 2D/3D projector with rotating translucent cylinder for alternating light polarisation |
| CN101881922A (en) * | 2010-05-26 | 2010-11-10 | 程亚奇 | True three-dimensional display system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103676451A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2533532C1 (en) | Polarisation conversion system and stereoscopic projection method | |
| WO2012017684A1 (en) | Lense unit | |
| CN201615988U (en) | Stereoprojection device of single projector of single-liquid-crystal light valve | |
| CN102207599B (en) | Lens barrel assembly having iris diaphragm device and projector | |
| CN101738737B (en) | Projection system used for presenting stereoscopic image and method thereof | |
| CN105763774A (en) | Camera module, electronic device and image acquisition method | |
| CN102081295B (en) | Three-dimensional (3D) projector | |
| CN101271261A (en) | Single lens stereographic projection device and optical filtering color block | |
| US20120026417A1 (en) | Imaging device | |
| CN103676450B (en) | 2D optical projection system 3D converting systems | |
| CN101788756A (en) | Stereoprojection device of single projector with single liquid crystal light valve | |
| CN103676451B (en) | Use the 3D converting system of the cylindrical regulator of transmitting light from side surface | |
| CN202771151U (en) | 3d conversion system | |
| JP2009539138A (en) | Structure of stereo optical engine for projection | |
| CN101122685A (en) | Method for promoting stereo projector utilization coefficient of light energy | |
| US20130235349A1 (en) | Color wheel module for use in a projection apparatus, projection apparatus, and method of switching for displaying a stereoscopic image or a flat image | |
| CN103885270A (en) | Image taking device provided with protective lens, and projection device | |
| CN203259724U (en) | Composite polarization cylindrical-type 3D conversion modulator | |
| CN203259723U (en) | Side surface circular biased cylindrical 3D conversion adjusting device system | |
| CN102103266A (en) | Method and equipment for forming three-dimensional image | |
| CN203259725U (en) | Cylindrical 3D conversion modulator adopting circular polaroid structure | |
| CN203337994U (en) | Swing type optical 3D conversion system | |
| CN103676180A (en) | Circular polarization optical system 3D conversion system | |
| CN101790062B (en) | Stereoprojection device of single projector with single liquid crystal light valve | |
| US9304372B2 (en) | Optical element with sub elements and an addressable mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191025 Address after: 221300, Fumin Road, Pizhou hi tech Industrial Development Zone, Xuzhou, Jiangsu, 22 Patentee after: Pizhou hi tech Zone New Energy Technology Research Institute Co., Ltd. Address before: 200433, room 212-5, building A, building 128, No. 11 Xiang Yin Road, Shanghai, Yangpu District Patentee before: SHANGHAI DW-VISON3D TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210304 Address after: 221300 No.56, paoche street, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Pizhou Jingpeng Venture Capital Co., Ltd Address before: 221300 22 Fu Min Road, hi tech Industrial Development Zone, Pizhou, Xuzhou, Jiangsu Patentee before: PIZHOU HIGH-TECH ZONE NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |