CN205847462U - 2D Yu 3D digital film projector system without motion - Google Patents
2D Yu 3D digital film projector system without motion Download PDFInfo
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- CN205847462U CN205847462U CN201620729478.2U CN201620729478U CN205847462U CN 205847462 U CN205847462 U CN 205847462U CN 201620729478 U CN201620729478 U CN 201620729478U CN 205847462 U CN205847462 U CN 205847462U
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Abstract
The utility model discloses a kind of 2D Yu 3D digital film projector system without motion, this device is only made up of digital projector, high permeability passive polarized stereoscopic conversion equipment and governor circuit, and high permeability passive polarized stereoscopic conversion equipment is in the emitting light path of digital projector all the time；Governor circuit and digital projector, high permeability passive polarized stereoscopic conversion equipment is connected by electrical equipment, no longer there is the motion removed from the projecting light path of digital projector by passive polarized stereoscopic conversion equipment to show 2D film, the structure making whole system becomes simple, stability is improved, have take up room little, low cost of manufacture, the advantages such as maintenance cost is few, high permeability passive polarized stereoscopic conversion equipment is in the emitting light path of digital projector all the time, projection 2D, the optical length that during 3D film, projected light beam passes through is essentially equal, 2D can be made by digital projector is carried out focusing, 3D film has identical fine definition.
Description
Technical field
This utility model relates to Display Technique field, particularly to a kind of 2D Yu 3D digital film projector without motion
System.
Background technology
In existing digital camera, the routine techniques of projection 2D with 3D digital movie is to utilize motion to put in numeral
Insert passive polarized stereoscopic conversion equipment before film projector and in metal screen, carry out 3D projection to realize individual digit projector, wherein
Passive polarized stereoscopic conversion equipment the projected light beam of digital projector outgoing is alternately converted into Left-hand circular polarization and dextrorotation circle
Polarized light, the eyes of spectators are worn left-handed, right-hand circular polarization glasses respectively and i.e. be can watch 3D image.When showing 2D film,
Utilizing motion to be removed from the emitting light path of digital projector by passive polarized stereoscopic conversion equipment, the eyes of spectators are direct
See is exactly 2D image.
In 2D Yu the 3D digital film projector system using motion, by passive polarized stereoscopic conversion equipment from numeral
The motion move in the emitting light path of projector, removed can be manual movement device, it is also possible to be motorized motions device.
At first technology 1(Li Yan dragon, Bao Yansheng, a kind of 3D equipment and 2D Yu 3D automatic switching control equipment, Authorization Notice No.: CN
202998334 U) give a kind of 2D Yu 3D digital film projector system using motorized motions device, this system mainly includes
Digital projector, photomodulator (i.e. passive polarized stereoscopic conversion equipment), governor circuit and motorized motions device composition, master control electricity
Road comprises signal acquisition circuit, CPU, force generation unit drive circuit and Modulator Driver IC for Lightwave Communication Systems, electronic fortune
Dynamic device comprises force generation unit, power transmission unit, primary importance induction apparatus and second position induction apparatus.Projection 3D film
Time, photomodulator is moved to by motorized motions device in the projecting light path of digital projector under the control of governor circuit.Put
When reflecting 2D film, photomodulator passes through motorized motions device under the control of governor circuit from the projecting light path of digital projector
Removal.The deficiency existed in first technology is: the existence of motion makes the structure of whole 2D Yu 3D digital film projector system
Complex, the space taken is big, and manufacturing cost is of a relatively high.Along with the progress of passive polarized stereoscopic switch technology, original
Monochromatic light road passive polarized stereoscopic conversion equipment has developed into double light path passive polarized stereoscopic conversion equipment, three light paths passively polarize
Perspective transformations equipment, double light path passive polarized stereoscopic conversion equipment, three light paths passive polarized stereoscopic conversion equipment have big light
Learning thickness, and need to use reflecting mirror to adjust assembly as optical path direction, big optical thickness makes digital projector show 3D
Definition during film declines, the employing of reflecting mirror make optical path direction adjust assembly be prone to loosen under the conditions of long-term motion and
Reduce the stability of equipment, shorten the maintenance period of equipment, considerably increase the maintenance cost of equipment.
Summary of the invention
This utility model, in order to overcome above-mentioned the deficiencies in the prior art, proposes a kind of 2D Yu 3D numeral electricity without motion
Shadow projection system, has simple in construction, stability height, 2D with 3D film definition equal feature mutually.
Technical solution of the present utility model is as follows:
A kind of 2D Yu 3D digital film projector system without motion, this device is only by digital projector, high permeability
Passive polarized stereoscopic conversion equipment and governor circuit composition, high permeability passive polarized stereoscopic conversion equipment is in numeral all the time and puts
In the emitting light path of film projector；Governor circuit and digital projector, high permeability passive polarized stereoscopic conversion equipment are by electrical equipment phase
Even, governor circuit judges the state of digital projector projection 3D, 2D film, and controls the passive polarized stereoscopic of high permeability and change and set
The standby polarization converted state to projected light beam；The high permeability passive polarized stereoscopic conversion when digital projector projection 3D film
Projected light beam is alternately converted into left circularly polarized light and right-circularly polarized light according to the frame sequential of digital projector by equipment, is counting
During word projector projection 2D film, projected light beam is converted into only a kind of polarization by high permeability passive polarized stereoscopic conversion equipment
The light of state.
The transmitance of described high permeability passive polarized stereoscopic conversion equipment is higher than 75%, passively polarizes vertical for double light path
Body conversion equipment or three light paths passive polarized stereoscopic conversion equipment, at least include that polarizing beam splitter, light path adjust assembly, polarization is adjusted
Device processed, projected light beam is divided into the orthogonal line polarized light of polarization state by polarizing beam splitter, and light path adjusts assembly by polarization state phase
The projection of the most vertical line polarized light overlaps, and line polarized light is converted into the light of other polarization state by light polarization modulator.
Described governor circuit includes synchronizing signal processing unit, light polarization modulator driver element and CPU element；Synchronize letter
Number processing unit is for processing the synchronizing signal of digital projector output, and isolates the interference signal that synchronous signal line introduces；Partially
The manipulator driver element that shakes, for producing the driving signal of light polarization modulator, can drive light polarization modulator to produce alternate
Left circularly polarized light and right-circularly polarized light, can drive light polarization modulator to produce the light of only a kind of polarization state；CPU element root
According to the output signal of described synchronizing signal processing unit judge digital projector projection 2D, 3D film state, and according to
2D, 3D film state determines the driving signal type of light polarization modulator driver element.
Described governor circuit can be independently arranged at the outside of high permeability passive polarized stereoscopic conversion equipment, it is also possible to
It is arranged on the inside of high permeability passive polarized stereoscopic conversion equipment, it is also possible to be the unit setting of described governor circuit
Inside at high permeability passive polarized stereoscopic conversion equipment.
Described high permeability passive polarized stereoscopic conversion equipment and governor circuit can be placed in digital projector, and make
Parts for digital projector.
Technique effect of the present utility model is as follows:
No longer have to show 2D film and by passive polarized stereoscopic conversion equipment from the projecting light path of digital projector
In the motion removed so that the structure of whole system becomes simply, stability is improved, and has little, the system that takes up room
Make the advantages such as low cost, maintenance cost are few.
High permeability passive polarized stereoscopic conversion equipment is in the emitting light path of digital projector all the time, shows 2D, 3D
The optical length that during film, projected light beam passes through is essentially equal, can make 2D, 3D film by digital projector is carried out focusing
There is identical fine definition.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of 2D Yu 3D digital film projector system without motion of this utility model；
Fig. 2 is that this utility model is a kind of without the structure of governor circuit in 2D Yu the 3D digital film projector system of motion
Schematic diagram；
The polarization state schematic diagram of projected light beam when Fig. 3 is this utility model projection 3D film；
The polarization state schematic diagram of projected light beam when Fig. 4 is this utility model projection 2D film.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings, but should not limit this utility model with this
Protection domain.
Refer to the structure that Fig. 1, Fig. 1 are a kind of 2D Yu 3D digital film projector system without motion of this utility model
Schematic diagram.As seen from the figure, a kind of 2D Yu 3D digital film projector system without motion of this utility model, including numeral projection
Machine 11, high permeability passive polarized stereoscopic conversion equipment 12 and governor circuit 13.High permeability passive polarized stereoscopic conversion equipment
In 12 emitting light paths being in digital projector 11 all the time, governor circuit 13 passively polarizes with digital projector 11, high permeability
Perspective transformations equipment 12 is connected by electrical equipment, is used for judging that digital projector 11 shows 3D film or 2D film state and to high saturating
Rate of crossing passive polarized stereoscopic conversion equipment 12 provides control signal.
The transmitance of high permeability passive polarized stereoscopic conversion equipment 12 is higher than 75%, turns for the passive polarized stereoscopic of double light path
Exchange device or three light paths passive polarized stereoscopic conversion equipment, at least include that polarizing beam splitter, light path adjust assembly, Polarization Modulation
Device, projected light beam is divided into the orthogonal line polarized light of polarization state by polarizing beam splitter, and light path adjusts assembly, and polarization state is mutual
The projection of vertical line polarized light overlaps, and line polarized light is converted into the light of other polarization state by light polarization modulator.
The structural representation of governor circuit is as in figure 2 it is shown, governor circuit includes synchronizing signal processing unit 31, CPU element
32 and light polarization modulator driver element 33.Synchronizing signal processing unit 31 is for processing the synchronization letter of digital projector 11 output
Number, and the interference signal that the synchronous signal line isolating digital projector 11 introduces.CPU element 32 is according to synchronizing signal processing unit
The output signal of 31 judges the state of digital projector projection 2D, 3D film, and determines Polarization Modulation according to film state
The working method of device driver element 33.Light polarization modulator driver element 33 is for producing the film state phase with digital projector 11
The driving signal of coupling is to drive light polarization modulator work.
When digital projector 11 projection be 3D film time, high permeability passive polarized stereoscopic conversion equipment 12 is by projected light
Bundle is converted into and the left-handed rotatory polarization of checker Tong Bu with the synchronizing signal of digital projector 11 and dextrorotation rotatory polarization, such as Fig. 3
Shown in, thus realize tripleplane.When digital projector 11 projection be 2D film time, the passive polarized stereoscopic of high permeability change
Projected light beam is converted the light of only a kind of polarization state by equipment 12, as shown in Figure 4, thus realizes two-dimensional projection.
Claims (5)
1. 2D Yu the 3D digital film projector system without motion, it is characterised in that: include digital projector (11), height
Transmitance passive polarized stereoscopic conversion equipment (12) and governor circuit (13), high permeability passive polarized stereoscopic conversion equipment (12)
All the time being in the emitting light path of digital projector (11), governor circuit (13) and digital projector (11), high permeability are passive
Polarized stereoscopic conversion equipment (12) is connected by electrical equipment, is used for judging digital projector (11) projection 3D film or 2D film state
And provide control signal to high permeability passive polarized stereoscopic conversion equipment (12), when digital projector (11) projection 3D film
Projected light beam is alternately converted by high permeability passive polarized stereoscopic conversion equipment (12) according to the frame sequential of digital projector (11)
For left circularly polarized light and right-circularly polarized light, the passive polarized stereoscopic of high permeability when digital projector (11) projection 2D film
Projected light beam is converted into the light of a kind of polarization state by conversion equipment (12).
2D Yu 3D digital film projector system without motion the most according to claim 1, it is characterised in that: described height
The transmitance of transmitance passive polarized stereoscopic conversion equipment (12) is higher than 75%, for double light path passive polarized stereoscopic conversion equipment or
Three light paths passive polarized stereoscopic conversion equipment, at least includes that polarizing beam splitter, light path adjust assembly, light polarization modulator, polarization point
Projected light beam is divided into the orthogonal line polarized light of polarization state by light device, and light path adjusts assembly by inclined for orthogonal for polarization state line
Shake light projection overlap, line polarized light is converted into the light of other polarization state by light polarization modulator.
2D Yu 3D digital film projector system without motion the most according to claim 1, it is characterised in that: described master
Control circuit includes synchronizing signal processing unit (31), CPU element (32) and light polarization modulator driver element (33), at synchronizing signal
Reason unit (31) is used for processing the synchronizing signal that digital projector (11) exports, and isolates the synchronizing signal of digital projector (11)
The interference signal that line introduces, CPU element (32) judges numeral projection according to the output signal of synchronizing signal processing unit (31)
The state of machine projection 2D, 3D film, and determine the working method of light polarization modulator driver element (33) according to film state, partially
The manipulator driver element (33) that shakes is for producing the driving signal matched with the film state of digital projector (11) to drive
Light polarization modulator works.
2D Yu 3D digital film projector system without motion the most according to claim 1, it is characterised in that: described
Governor circuit (13) can be independently arranged at the outside of high permeability passive polarized stereoscopic conversion equipment (12), it is also possible to is arranged on
The inside of high permeability passive polarized stereoscopic conversion equipment, it is also possible to be that the unit of described governor circuit (13) is arranged on
The inside of high permeability passive polarized stereoscopic conversion equipment (12).
2D Yu 3D digital film projector system without motion the most according to claim 1, it is characterised in that: described
High permeability passive polarized stereoscopic conversion equipment (12) and governor circuit (13) can be placed in digital projector (11), and conduct
The parts of digital projector (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729478.2U CN205847462U (en) | 2016-07-12 | 2016-07-12 | 2D Yu 3D digital film projector system without motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620729478.2U CN205847462U (en) | 2016-07-12 | 2016-07-12 | 2D Yu 3D digital film projector system without motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847462U true CN205847462U (en) | 2016-12-28 |
Family
ID=57618743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620729478.2U Expired - Fee Related CN205847462U (en) | 2016-07-12 | 2016-07-12 | 2D Yu 3D digital film projector system without motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205847462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028023A (en) * | 2016-07-12 | 2016-10-12 | 昆山安亚特光电有限公司 | 2D and 3D digital cinema projection system without sports mechanism |
| WO2021227131A1 (en) * | 2020-05-14 | 2021-11-18 | 中影光峰激光影院技术（北京）有限公司 | Three-dimensional projection system |
-
2016
- 2016-07-12 CN CN201620729478.2U patent/CN205847462U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028023A (en) * | 2016-07-12 | 2016-10-12 | 昆山安亚特光电有限公司 | 2D and 3D digital cinema projection system without sports mechanism |
| WO2021227131A1 (en) * | 2020-05-14 | 2021-11-18 | 中影光峰激光影院技术（北京）有限公司 | Three-dimensional projection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180208 Address after: 215300 Suzhou Suzhou City, Jiangsu Province, Kunshan Development Zone, East Road Enterprise Science Park Science and Technology Plaza 505 room Patentee after: Kunshan de Yatai Optical Technology Co., Ltd. Address before: 215300 Jiangsu, Suzhou Development Zone, small and medium-sized enterprise Park Road, No. 108, No. 7 plant, building, building 2 Patentee before: KUNSHAN ANYATE PHOTOELECTRIC CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |