CN100407041C - Stereoscopic image projector - Google Patents
Stereoscopic image projector Download PDFInfo
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- CN100407041C CN100407041C CN2004100120122A CN200410012012A CN100407041C CN 100407041 C CN100407041 C CN 100407041C CN 2004100120122 A CN2004100120122 A CN 2004100120122A CN 200410012012 A CN200410012012 A CN 200410012012A CN 100407041 C CN100407041 C CN 100407041C
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- light signal
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- signal
- polarized light
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Abstract
The present invention provides a stereoscopic image projector which comprises a light signal generator, a filter device, a focusing arrangement and a reflecting device, wherein the light signal generator is used for generating a projection light signal. The filter device is used for filtering the projection light signal, and is used for generating a group of polarization signals. The focusing device is used for receiving the group of polarization signals, and is used for generating a group of focusing light signals. The reflecting device is used for receiving the group focusing light signals, and is used for generating a group of reflection light signals.
Description
Technical field
The present invention relates to a kind of image projection apparatus, particularly relate to a kind of grenade instrumentation of stereopsis.
Background technology
The people utilizes two eyes to see thing, and measure distance and produce stereoscopic sensation with the object angle that eyes observe, though so right and left eyes read fortune simultaneously object together, but what seen is different angle, also because eyes see that the visual angle of thing is different, therefore can produce the subtense angle that eyes are seen object, the closer to object then the subtense angle of right and left eyes is big more, object far away more then subtense angle is more little, and the object of seeing a utmost point distant place then right and left eyes is almost parallel, and subtense angle is almost nil.
The principle of known technology neutral body image promptly is to take simultaneously with the visual angle that two cameras simulates human two eyes, show synchronously with two projectors again, the image frame that simulation left eye visual angle is seen, another then simulates the image frame that the right eye visual angle is seen, the image frame that utilizes synchro system that two projectors are simulated is shown simultaneously to same screen, and utilize the polarized lenses (Polarization Glasses) of characteristic to isolate the different image frame of right and left eyes with level or vertical two kinds of directions filtration light, utilize this principle to reach the effect of stereopsis.
Because polarized lenses (Polarization Glasses) has the characteristic of level or vertical two kinds of directions filtration light, so we make the glasses that spectators were worn with two different polarisation diaphragms, and before two kinds of same eyeglasses are contained in the camera lens of two projectors respectively, though with the naked eye looking like on screen, the image that two projectors like this cast out overlaps, but the picture that projector of horizontal polarisation is cast out only allows the FS glasses of horizontal polarisation see, identical principle, vertical polarisation can only allow the eyeglass of vertical polarisation see, so can allow right and left eyes see different pictures and produce the 3D stereopsis, this system must adopt screen (non-depolarizing screen) the competence exertion effect that can keep the polar biased characteristic.
Polaroid glasses (Polarization Glasses) are because production cost is low, so be fit to large-scale business place, for example stereophonic cinema uses.Owing to be to utilize two projectors to beat on same screen synchronously, so image quality and luminosity are also preferable, this is to wear glasses to watch in the 3D stereopsis mode a kind of method of quality of image the best.
But because this kind framework need use two projection arrangements and synchro system in the known technology, cost is higher not portable yet, and because must use two projection arrangements, need to do the operation of the aligning of two projectors before the image in projection, two pictures that two projection arrangements are throwed are simultaneously beaten the same place on same screen, generation 3D stereopsis that could be correct.
Summary of the invention
Therefore fundamental purpose of the present invention is to provide a kind of image projection apparatus, to overcome the problems referred to above.
The object of the present invention is to provide a kind of image projection apparatus, it can utilize single projector, and the stereopsis that realization must be used two projectors to play simultaneously in the past and could realize throws effect.
The invention provides a kind of stereoscopic video casting device.This stereoscopic video casting device comprises a smooth signal generator, a filtering apparatus, a focalizer and a reflection unit.The light signal generator is in order to produce a projection light signal.Filtering apparatus filters the projection light signal, in order to produce one group of polarizing signal.Focalizer receives this group polarizing signal, in order to produce one group of focused light signal.Reflection unit receives this group focused light signal, in order to produce one group of reflected light signal.
Stereoscopic video casting device of the present invention only need be utilized a projection arrangement, can reach the effect of projection stereopsis, can save the alignment function that uses two grenade instrumentations the image of two grenade instrumentation projections must be carried out, not only use upward more convenient, simultaneously also be easier to carry, cost is also lower.
Can be about the advantages and spirit of the present invention by detailed description of the present invention being further understood below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the synoptic diagram of stereoscopic video casting device of the present invention.
Fig. 2 is the synoptic diagram of another embodiment of filtering apparatus of image projection apparatus of the present invention.
Fig. 3 is the synoptic diagram of another embodiment of the filtering apparatus of image projection apparatus of the present invention.
Fig. 4 is the synoptic diagram of the optical filtering colour disk of image projection apparatus of the present invention.
The reference numerals explanation
10,30,50: image projection apparatus 11,31: optical filtering colour disk
12: light signal generator 13: the projection light signal
14,34,54: filtering apparatus 15: polarizing signal
16: focalizer 17: the focused light signal
18: reflection unit 19: the reflected light signal
21,41: the first groups of optical filtering colour disks 23,43: the second groups of optical filtering colour disks
32,52: converter 33,53: convert light signal
55: regulate light signal 56: regulator
Embodiment
See also Fig. 1, Fig. 1 is the synoptic diagram of stereoscopic video casting device 10 of the present invention.A kind of stereoscopic video casting device 10 of the present invention comprises a smooth signal generator 12, a filtering apparatus 14, a focalizer 16 and a reflection unit 18.Light signal generator 12 is in order to produce a projection light signal 13.Filtering apparatus 14 filters projection light signal 13, and in order to produce one group of polarizing signal 15, polarizing signal comprises the first polarized light signal and the second polarized light signal.Focalizer 16 receives this group polarizing signal 15, in order to produce one group of focused light signal 17.In one embodiment, focalizer 16 is to can be a focus lamp.Reflection unit 18 receives this group focused light signal 17, in order to producing one group of reflected light signal 19, reflection unit 18 comprise a base, a plurality of minitype reflector (digital micromirror device, DMD) and a controller.A plurality of little shape catoptrons are attached to base.Controller is in order to adjust the position of a plurality of little shape catoptrons, a plurality of by this little shape catoptrons are handled this group focused light signal 17 and are produced this group reflected light signal 19, reflected light signal 19 comprises the first reflected light signal and the second reflected light signal, the first polarized light signal incidence reflection device, 18 backs produce the first reflected light signal, these reflection unit 18 backs of the second polarized light signal incident produce the second reflected light signal, and the first reflected light signal and the second reflected light signal produce the different images picture respectively.
In the present embodiment, filtering apparatus 14 comprises many group optical filtering colour disks 11, in order to filter projection light signal 13 and to produce this group polarizing signal 15.Wherein this group polarizing signal 15 includes one first polarized light signal and one second polarized light signal.Many group optical filtering colour disks 11 include one first group of optical filtering colour disk 21 and one second group of optical filtering colour disk 23, in order to filter projection light signal 13, and produce the first polarized light signal and the second polarized light signal respectively accordingly, first group of optical filtering colour disk 21 can be P polar biased plated film, and second group of optical filtering colour disk 23 can be S polar biased plated film.In one embodiment, the first polarized light signal promptly is a P polarized light signal and the second polarized light signal promptly is a S polarized light signal, utilize P polarized light signal and S polarized light signal, and cooperate the signal of reflection unit 18 to handle, so that the different signals of P polarized light signal and S polarized light signal band, and the different image frame of simulation right and left eyes cooperates polarising glass again, to reach the effect of simulation stereopsis.
See also Fig. 2, Fig. 2 is the synoptic diagram of another embodiment of the filtering apparatus 34 of image projection apparatus 30 of the present invention.Also have other different embodiment to can be used to produce this group polarizing signal.As shown in Figure 2, in another embodiment, filtering apparatus 34 comprises a converter (converter) 32 and organizes optical filtering colour disk 31 more.Converter 32 receives projection light signal 13, and in order to produce a convert light signal 33, converter 32 can be P-S converter (P-S Converter), projection light signal 13 is converted to the convert light signal 33 of single polarity.How group optical filtering colour disks 31 are in order to filtration convert light signal 33, and produce the first polarized light signal and the second polarized light signal.In the present embodiment, second group of optical filtering colour disk of many group optical filtering colour disks 31 is 1/1st ripple plate, / 2nd ripple plates can make polarized light produce the phase differential of 90 degree, therefore can produce second polarized light that differs 90 degree phase differential with first polarized light by 1/2nd ripple plates.
See also Fig. 3, Fig. 3 is the synoptic diagram of another embodiment of the filtering apparatus 54 of image projection apparatus 50 of the present invention.In the present embodiment, filtering apparatus 54 comprises a converter (converter) 52, a regulator 56 and organizes optical filtering colour disk 51 more.Converter 52 produces a convert light signal 53 in order to conversion projection light signal 13, and converter 52 can be P-S converter (P-S Converter), projection light signal 13 is converted to the convert light signal 53 of single polarity.Regulator 56 is optionally handled convert light signal 53, regulates light signal 55 to produce one.The optical filtering colour disks 51 of organizing are regulated light signal 55 in order to filter more, and produce this group polarizing signal 15.In the present embodiment, regulator 56 is 1/1st ripple plate, can optionally change the polarity of projection light signal 13, makes the P polarized light be converted to the S polarized light, perhaps makes the S polarized light be converted to the P polarized light, produces to regulate light signal 55.
See also Fig. 4, Fig. 4 is the synoptic diagram of the optical filtering colour disk 61 of image projection apparatus of the present invention.In above-mentioned various embodiment, organize in the optical filtering colour disk 61 each group optical filtering colour disk 61 more and all include a Red lightscreening plate 62, a blue color filter 63 and a green color filter 64.In order to filtration projection light signal, and produce this group polarizing signal that includes the first polarized light signal and the second polarized light signal respectively accordingly.
Stereoscopic video casting device of the present invention utilizes filtering apparatus to filter the projection light signal, generation includes the two kinds of first different polarized light signals and the polarizing signal of the second polarized light signal, so only need utilize a projection arrangement, can reach the effect of projection stereopsis, can save the alignment function that uses two grenade instrumentations the image of two grenade instrumentation projections must be carried out, not only use is upward more convenient, also is easier to carry simultaneously, and cost is also lower.
By the above detailed description of preferred embodiments, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category that is arranged in claim of the present invention of various changes and tool equality.Therefore, the category of claim of the present invention should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (7)
1. stereoscopic video casting device, this stereoscopic video casting device comprises:
One smooth signal generator is in order to produce a projection light signal;
One filtering apparatus, this filtering apparatus filter this projection light signal, and in order to produce one group of polarizing signal, wherein, this group polarizing signal includes one first polarized light signal and one second polarized light signal, and this filtering apparatus comprises:
One converter receives this projection light signal, in order to generation have single polarity a convert light signal and
Many group optical filtering colour disks, this convert light signal that has single polarity in order to filtration, and produce this first polarized light signal and this second polarized light signal, wherein should include one first group of optical filtering colour disk and one second group of optical filtering colour disk by many group optical filtering colour disks, and first group of optical filtering colour disk can't change the polarity of light, and second group of optical filtering colour disk is 1/1st ripple plate;
One focalizer, this focalizer receive this group polarizing signal, in order to produce one group of focused light signal; And
One reflection unit, this reflection unit receive this group focused light signal, in order to produce one group of reflected light signal.
2. stereoscopic video casting device as claimed in claim 1, this reflection unit comprises:
One base;
A plurality of little shape catoptrons, these a plurality of little shape catoptrons are attached to this base; And
One controller, in order to adjust the position of these a plurality of little shape catoptrons, these a plurality of little shape catoptrons are handled this group focused light signal and are produced this group reflected light signal by this.
3. grenade instrumentation as claimed in claim 1, wherein produce the first reflected light signal behind this this reflection unit of first polarized light signal incident, produce the second reflected light signal behind this this reflection unit of second polarized light signal incident, this first reflected light signal and this second reflected light signal produce the different images picture respectively.
4. grenade instrumentation as claimed in claim 3, wherein this first polarized light signal and this second polarized light signal are the orthogonal smooth signal of polarization.
5. grenade instrumentation as claimed in claim 1, wherein this converter is a P-S converter, this projection light signal is converted to this convert light signal of single polarity.
6. grenade instrumentation as claimed in claim 1, wherein each group optical filtering colour disk includes a Red lightscreening plate, a blue color filter and a green color filter in these many group optical filtering colour disks.
7. grenade instrumentation as claimed in claim 1, wherein this focalizer is a focus lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100120122A CN100407041C (en) | 2004-09-28 | 2004-09-28 | Stereoscopic image projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100120122A CN100407041C (en) | 2004-09-28 | 2004-09-28 | Stereoscopic image projector |
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| Publication Number | Publication Date |
|---|---|
| CN1755511A CN1755511A (en) | 2006-04-05 |
| CN100407041C true CN100407041C (en) | 2008-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100120122A Expired - Fee Related CN100407041C (en) | 2004-09-28 | 2004-09-28 | Stereoscopic image projector |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293843B (en) * | 2012-02-22 | 2015-08-12 | 台达电子工业股份有限公司 | For polarization conversion component group and the projection arrangement of projection arrangement |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153755A (en) * | 1996-11-22 | 1998-06-09 | Teruki Fujiyama | Stereoscopic image display device |
| US5921650A (en) * | 1998-02-27 | 1999-07-13 | International Business Machines Corporation | High efficiency field-sequential color projector using two SLMs |
| US6280034B1 (en) * | 1999-07-30 | 2001-08-28 | Philips Electronics North America Corporation | Efficient two-panel projection system employing complementary illumination |
-
2004
- 2004-09-28 CN CN2004100120122A patent/CN100407041C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10153755A (en) * | 1996-11-22 | 1998-06-09 | Teruki Fujiyama | Stereoscopic image display device |
| US5921650A (en) * | 1998-02-27 | 1999-07-13 | International Business Machines Corporation | High efficiency field-sequential color projector using two SLMs |
| US6280034B1 (en) * | 1999-07-30 | 2001-08-28 | Philips Electronics North America Corporation | Efficient two-panel projection system employing complementary illumination |
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| Publication number | Publication date |
|---|---|
| CN1755511A (en) | 2006-04-05 |
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| C14 | Grant of patent or utility model | ||
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Owner name: AIXIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHONGQIANG PHOTOELECTRIC CO LTD Effective date: 20120215 |
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Effective date of registration: 20120215 Address after: Delaware Patentee after: Suzhou Canyu Optics Co., Ltd. Address before: Hsinchu Science Park, Taiwan, China Patentee before: Zhongqiang Photoelectric Co., Ltd. |
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Granted publication date: 20080730 Termination date: 20130928 |