WO2010103952A1 - 立体画像投影装置 - Google Patents
立体画像投影装置 Download PDFInfo
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- WO2010103952A1 WO2010103952A1 PCT/JP2010/053267 JP2010053267W WO2010103952A1 WO 2010103952 A1 WO2010103952 A1 WO 2010103952A1 JP 2010053267 W JP2010053267 W JP 2010053267W WO 2010103952 A1 WO2010103952 A1 WO 2010103952A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
- G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete holograms only
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0402—Recording geometries or arrangements
- G03H2001/0439—Recording geometries or arrangements for recording Holographic Optical Element [HOE]
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0493—Special holograms not otherwise provided for, e.g. conoscopic, referenceless holography
- G03H2001/0497—Dot matrix holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H2001/2605—Arrangement of the sub-holograms, e.g. partial overlapping
- G03H2001/261—Arrangement of the sub-holograms, e.g. partial overlapping in optical contact
- G03H2001/2615—Arrangement of the sub-holograms, e.g. partial overlapping in optical contact in physical contact, i.e. layered holograms
Definitions
- the present invention relates to a stereoscopic image projection apparatus that projects a stereoscopic image by making image light having directivity incident from the outside.
- the present invention has been made in view of such problems, and displays a stereoscopic image with high reproducibility according to a change in the position of an observer and easily realizes downsizing of the system.
- the purpose is to provide.
- the stereoscopic image projection apparatus of the present invention projects a holographic recording medium along a flat substrate, and projects the image light by causing directional image light to enter the holographic recording medium.
- the hologram recording medium of the projection image generating unit includes: A hologram formed in such a manner that two laser beams as a reference beam and an object beam are simultaneously incident in a predetermined range including a position corresponding to a predetermined point while keeping the incident angles on the hologram recording medium substantially the same. Is recorded in advance.
- the reference image and the object beam are incident on the projection image generation unit at substantially the same incident angle, so that the projection image generation unit follows the flat substrate including the predetermined point that is the center of rotation. Since a hologram is recorded in advance in a predetermined range, image light having directivity is incident on the projection image generation unit while rotating the projection image generation unit around the predetermined point. The projection direction of the image generated by the light passing through the hologram is spatially shifted continuously. As a result, a highly reproducible stereoscopic image can be displayed even when the position of the observer changes, and the system scale can be easily reduced. Furthermore, the temporal continuity of the image when rotating the projection image generation unit can be improved by recording a hologram in a form formed by making the reference light and the object light incident at the same incident angle. .
- the recording medium of the projection image generator is driven to rotate around a position corresponding to a predetermined point, and at the same time, a plurality of holograms formed by the reference light and object light entering the predetermined range are multiplexed. Preferably, it is recorded in advance.
- the image light can be transmitted through the plurality of holograms, and the spatial and temporal continuity of the projection image can be easily improved.
- the hologram recording medium of the projection image generation unit is driven to rotate about a position corresponding to a predetermined point as a rotation center, and at the same time, the predetermined range is periodically divided into a range that is synchronized with the rotation angle by the rotation drive. It is also preferable that a plurality of holograms formed by entering the reference light and the object light are divided and recorded in advance. In this case, when rotating the projection image generation unit, the image light can be transmitted through the plurality of holograms, and the spatial and temporal continuity of the projection image can be easily improved. Furthermore, the configuration of the hologram recording medium can be simplified.
- the hologram recording medium preferably includes a plurality of hologram sheet materials stacked on a substrate, and the plurality of holograms are recorded on the plurality of hologram sheet materials, respectively.
- a hologram recording medium With such a hologram recording medium, the diffraction efficiency of image light that passes through each hologram can be improved, and a bright stereoscopic image with little image blur can be displayed to the observer.
- the projection image generation unit is rotated by the drive unit and is directed to a predetermined range on the substrate at an angle corresponding to the incident angle of the reference light and the object light at the time of hologram recording with respect to the surface on the substrate. It is also preferable that image light is incident.
- the incident direction of the image light with respect to the hologram recording medium substantially coincides with the incident direction of the reference light and the object light, so that the diffraction efficiency of the image light transmitted through each hologram can be improved, A bright stereoscopic image with little image blur with respect to the direction can be displayed.
- a three-dimensional image with high reproducibility can be displayed according to a change in the position of the observer, and the system can be easily downsized.
- FIG. 1 is a perspective view of a stereoscopic image projector 1 that is a preferred embodiment of the present invention.
- FIG. 2 is a plan view and a side view of the projection image generating disk of FIG. 1.
- It is a schematic block diagram of the hologram recording system used for recording of the hologram of FIG. It is a figure which shows the incident direction of the image light with respect to the projection image generation disc of FIG. 2, and the projection direction of an image. It is a figure which shows the incident direction of the image light with respect to the projection image generation disc of FIG. 2, and the projection direction of an image.
- FIG. 3 is a graph showing a relationship between a measured value of diffraction efficiency in an image irradiation direction with respect to a rotation angle of the projection image generation disk of FIG.
- It is a front view which shows the projection image of the stereo image by the stereo image projector of FIG. It is a top view of the disc for projection image generation concerning the modification of the present invention.
- FIG. 1 is a perspective view of a stereoscopic image projection apparatus 1 which is a preferred embodiment of the present invention.
- the stereoscopic image projecting apparatus 1 is an apparatus for projecting a stereoscopic image by transmitting image light having directivity incident from the outside, and includes a rotation driving unit 3 fixed on a pedestal 2 and a rotation driving unit. 3 is provided with a projection image generation disk (projection image generation unit) 4 supported by 3.
- Rotation driving section 3 has an outer cylindrical portion 5 and the inner cylinder portion 6 of the center axis A 1 is arranged cheeks so as to be parallel to the installation surface 2a of the base 2, the inner cylindrical portion 6, the outer Attached so as to be rotatable along the inner surface of the cylindrical portion 5.
- the rotation drive unit 3 by the supply of electric power from the outside, the rotary drive mechanism (not shown) for rotating around the inner cylinder portion 6 of the center axis A 1 at the desired angular velocity is built.
- Such a rotational drive mechanism can be realized by an electric motor, a belt drive, a gear, and the like.
- a rectangular opening 7 that is substantially perpendicular to the central axis A 1 is provided at the center inside the inner cylinder 6, and further, on the center axis A 1 inside the inner cylinder 6, A disc-shaped projection image generating disk 4 is supported so as to cover the opening 7.
- the projection image forming disc 4, the central axis A 1 of the inner cylindrical portion 6 is arranged so as to penetrate the center of the surface in a direction perpendicular.
- FIGS. 2A and 2B are a plan view and a side view, respectively, of the projection image generating disk 4.
- the projection image generating disk 4 is composed of a three-layer hologram sheet having the same shape as the glass substrates 8a and 8b between two disk-shaped glass substrates 8a and 8b.
- Hologram recording medium) 9a, 9b, 9c are laminated and joined. That is, the hologram sheets 9a, 9b, 9c are joined along the inner surfaces 10a, 10b of the glass substrates 8a, 8b.
- a material for the hologram sheets 9a, 9b, 9c for example, a photopolymer is used.
- the thicknesses of the glass substrates 8a and 8b and the hologram sheets 9a, 9b, and 9c are not limited to specific values, but are set to, for example, 1.2 mm and 0.003 to 0.4 mm, respectively.
- the number of hologram sheets 9a, 9b, and 9c is not limited to three as long as the number is one or more. However, three layers are preferable in terms of spatial and temporal continuity and clarity of a reproduced image. .
- circular holograms 11a, 11b, and 11c are recorded in advance in the center portions of the hologram sheets 9a, 9b, and 9c, respectively, by a forming method that will be described later.
- the projection image generating disc 4 when the projection image generating disc 4 is set in the rotation driving unit 3, the projection image generating disc 4 is placed in the formation area of the holograms 11a, 11b, and 11c by the rotation driving of the rotation driving unit 3. as the rotation about the center point C 1 is located in, it is rotated along the surface of the glass substrate 8a.
- FIG. 3 is a schematic configuration diagram of a hologram recording system 101 used for recording the holograms 11a, 11b, and 11c.
- the laser beam L 1 in predetermined wavelength of 532nm and the like emitted from the laser light source 102, the laser beam L 1 is after passing through the shutter 103 rotates around the optical axis of the laser beam L 1 Transmits through the half-wave plate 104.
- the laser beam L 1 whose polarization direction is changed to various angles are incident on the polarization beam splitter 105, parallel light L 3 of the parallel light L 2 and S-wave components of the P-wave component from the laser light L 1 , And divided into two optical paths that are substantially perpendicular to each other.
- the parallel light L 3 is transmitted by the half-wave plate 109 that rotates about the optical axis of the parallel light L 3 and then reflected by the mirror 110, thereby changing the polarization direction.
- the incident light is incident on the projection image generating disk 4 arranged at a predetermined position.
- the mirror 110 is placed on an X-axis stage 106B that slides along a horizontal plane and a rotary stage 107B that rotates along a horizontal plane.
- the parallel light L 3 incident on the projection image generating disk 4 is used as reference light for hologram recording
- the parallel light L 2 is used as object light for hologram recording.
- the projection image generating disk 4 in which only the hologram sheet 9a is bonded is installed in a state where it is attached to the rotation drive unit 3. Then, the center point C 1 of the projection image forming disc 4 is substantially positioned on the optical axis of the parallel light L 2, and the optical axis of the parallel light L 2 with respect to the surface of the glass substrate 8a is inclined as the angle theta 1
- the X stage 106A and the rotary stage 107A are controlled.
- the center point C 1 is approximately positioned on the optical axis of the parallel light L 3, and the optical axis of the parallel light L 3 to the surface of the glass substrate 8a is on the opposite side with respect to the parallel light L 2 X stage 106B and the rotary stage 107B is controlled so as to be approximately inclined at the same angle theta 1.
- the inclination angle ⁇ 1 is set to 22.5 degrees.
- the laser beam L 1 a predetermined strength (e.g., 2 mW ⁇ 7 mW) by opening the shutter 103 is emitted, the projection image forming disc 4 at a predetermined time (e.g., 20 seconds to 30 seconds) the parallel light L simultaneously enters the 2 and the parallel light L 3.
- the hologram 11a is recorded at the center of the hologram sheet 9a.
- the projection image generating disk 4 in a state where the hologram sheet 9b is laminated on the hologram sheet 9a is installed. Then, after rotating by 120 degrees by the rotary drive unit 3 a projection image forming disc 4 from the state at the time of hologram 11a recording, the parallel light L 2 and a predetermined time to the projection image forming disc 4 by opening the shutter 103 It is incident parallel light L 3 at the same time. In this way, the hologram 11b is recorded at the center of the hologram sheet 9b on the hologram sheet 9a.
- the projection image generation disc 4 in a state where the hologram sheet 9c is laminated on the hologram sheets 9a and 9b is installed, and the projection image generation disc 4 is further rotated by 120 degrees, and then the shutter 103 is opened.
- the hologram 11c is recorded at the center of the hologram sheet 9c on the hologram sheets 9a and 9b.
- the three-layer holograms 11a, 11b, and 11c that are angle-multiplexed at an angular interval of 120 degrees are formed in the central portion of the projection image generating disk 4 and the hologram sheets 9a, 9b, the incident angle theta 1 to 9c are recorded while maintaining substantially the same with each other.
- the same direction as the incident direction of the parallel light L 3 at the time of image light G 1 is recorded holograms 11a, i.e., from the angle theta 1 direction to the Z-axis along a YZ plane
- the projection direction of the image is a direction inclined by an angle ⁇ 1 with respect to the Z axis along the YZ plane, corresponding to the incident direction of the parallel light L 2 when the hologram 11 a is recorded.
- FIG. 6 is a graph showing measured values and theoretical values of diffraction efficiency with respect to the shift angle along the horizontal direction of the image irradiation direction when one hologram 11a is rotated.
- a high diffraction efficiency of about 90% is maintained when the horizontal shift angle is in the range of ⁇ 10 degrees to +10 degrees.
- the operation of the stereoscopic image projection apparatus 1 having the projection image generating disk 4 in which the three holograms 11a, 11b, and 11c are multiplexed and recorded at an angular interval of 120 degrees will be described. While the projection image generating disk 4 is rotated and rotated once, the states shown in FIGS. 5A, 4 and 5B appear once in order, and the irradiation direction of the image Are shifted in one direction. Further, while the projection image generating disk 4 is rotated once, the state rotated 180 degrees from the state shown in FIG. 4 also appears once.
- the incident direction of the image light G 1 is made the same direction as the incident direction of the laser beam L 2 at the time of recording the hologram 11a, the projection direction of the image, the direction of incidence of the parallel light L 3 at the time of recording the hologram 11a and correspondingly, the angle theta 1 only a direction inclined with respect to the Z axis along a YZ plane, namely, the same direction as the direction shown in FIG. Therefore, while the projection image generating disk 4 is rotated once, the state rotated 180 degrees from the state shown in FIGS. 5A, 4 and 5B also appears once each. With respect to the hologram 11a, the irradiation direction of the image is shifted in one direction a total of two times.
- the projection direction of the image is intermittently changed by the three holograms 11a, 11b, and 11c while the projection image generating disk 4 is rotated once. It can be seen that it is shifted and shifted a total of 6 times.
- FIG. 7 is a graph showing the relationship between the measurement value of the diffraction efficiency in the image projection direction with respect to the rotation angle of the projection image generation disk 4. From this result, it can be seen that six images are continuously projected by three holograms 11a, 11b, and 11c during one rotation, and the diffraction efficiency at that time is also about 80% over a shift range of about 20 degrees each time. It can also be seen that is secured.
- the stereoscopic image projector 1 having the above-described configuration receives image light G 1 having directivity from an external projector device 20 from a direction inclined by a predetermined angle ⁇ 1 with respect to the central axis A 1 of the inner cylinder portion 6. (See FIG. 8). Then, three holograms 11a, 11b, by incident image light G 1 in synchronization with the shift timing of an image by 11c, while changing the emission direction from the projection image forming disc 4 in one direction, the image Lights G 01 , G 02 , G 03 ,..., G 0n are projected in time series.
- the image light G 1 is incident by continuously rotating the projection image generating disk 4, the image light G 01 , G 02 , G 03 ,..., G 0n can be repeatedly projected. As a result, a predetermined stereoscopic image can be raised on the front surface of the projection image generating disk 4.
- the projector apparatus 20 is a device that can be continuously irradiated with the image light G 1 a moving image is reflected, for example, a projector having a built-in digital micromirror device manufactured by Texas Instruments is used .
- the projection image generating disk 4 includes the center point C 1 that is the center of rotation by causing the reference light and the object light to be incident at substantially the same incident angle ⁇ 1.
- the projection direction of the image generated by the image light passing through the holograms 11a, 11b, and 11c is spatially continuous. Shifted to.
- the form of a hologram 11a formed with the reference light and the object light is incident at the same incident angle theta 1, 11b, an image projected direction between the projection image forming disc 4 rotated once by recording the 11c Since it can be shifted six times, the spatial and temporal continuity of the image when the projection image generating disk 4 is rotated can be improved.
- the projection image generation disc 4 is rotated.
- image light can be transmitted through the plurality of holograms 11a, 11b, and 11c, and the spatial and temporal continuity of the projected image can be easily improved.
- the diffraction efficiency of the image light transmitted through the holograms 11a, 11b, and 11c can be improved, and a bright stereoscopic image with less image blur for the observer. Can be displayed.
- each hologram 11 a. , 11b, 11c can improve the diffraction efficiency of image light, and a bright stereoscopic image with little image blur can be displayed in a predetermined direction.
- the incident angles ⁇ 1 of the parallel light L 3 and the parallel light L 2 when recording the holograms 11a, 11b, and 11c are not necessarily set to be equal to each other, and may be different angles.
- the holograms 11a, 11b, and 11c may be recorded in multiple recording without changing the angle of the projection image generating disk 4 during recording.
- the incident angle ⁇ 1 10 degrees when recording the hologram 11a.
- the incident angle ⁇ 1 when recording the hologram 11b is recorded as 8.352 degrees
- the incident angle ⁇ 1 when recording the hologram 11c is recorded as 13.348 degrees.
- to project the green light region of the image light G 1 as an image by the hologram 11a is projected red light area of the image light G 1 as an image by a hologram 11b, and the blue light region of the image light G 1 by the hologram 11c
- the projection timing of the color image light by the projector device 20 and the rotation of the projection image generation disk 4 are synchronized so as to project as an image.
- FIG. 9 shows the configuration of a projection image generation disk 204 according to a modification of the present invention.
- the predetermined range around the center point C 1 of the projection image forming disc 204 shown in the figure three types of holograms 211a, 211b, 211c is recorded in advance are divided.
- These holograms 211a, 211b, and 211c are formed in regions that are periodically divided so as to be evenly distributed over a predetermined range.
- the holograms 211a, 211a, 211c, 211b and 211c are formed so as to be periodically arranged in this order.
- the projection image generation disc 204 is rotated 120 degrees and the hologram 211b is recorded by the same method
- the projection image generation disc 204 is further rotated 120 degrees and the hologram 211c is recorded by the same method.
- the holograms 211a, 211b, and 211c in which the interference fringes are rotated by 120 degrees can be divided and generated.
- the use of such a projection image forming disc 204 is projected green light region of the image light G 1 as an image by the hologram 211a, to project a red light area of the image light G 1 as an image by the hologram 211b, the hologram 211c blue light region of the image light G 1 to be projected as an image, to synchronize the timing of projecting the image light G 1 of each color light area of a color image by the projector apparatus 20 and the rotation of the projection image forming disc 204. That way, it is possible to shift in one direction while each hologram 211b, 211a, separates the light of each color component of the RGB image light G 1 is projected by 211c. As a result, it is possible to display a color stereoscopic image with little image blur and color blur to the observer. Furthermore, the configuration of the hologram recording medium can be simplified.
- the hologram produced on the projection image generating disk 4 is not limited to the direct formation by the interference between the reference light and the object light, and the reference light and the object light are made incident at the same incident angle.
- a hologram that reproduces the form of the interference fringes to be formed may be used.
- a hologram formed by a diffraction grating having a high aspect ratio using a microfabrication process by an electron beam drawing apparatus or the like may be used.
- a transmission type diffraction grating film for example, 1000 LPM sheet manufactured by Edmund Optics
- a sine wave grating is formed at a predetermined grating frequency can be used.
- the hologram produced on the projection image generating disk 4 is not limited to the transmission type, and a reflection type hologram may be used.
- the projection image generating disc 4 As a material constituting the projection image generating disc 4, a resin material such as plastic may be used in addition to glass, or the projection image generating disc 4 may be composed of only a hologram recording material.
- the present invention uses a stereoscopic image projection apparatus that projects a stereoscopic image by causing image light having directivity to enter from the outside, and displays a highly reproducible stereoscopic image according to a change in the position of an observer. Therefore, the system can be easily downsized.
- SYMBOLS 1 Stereoscopic image projection apparatus, 3 ... Rotation drive part, 4,204 ... Projection image production
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Abstract
Description
Claims (5)
- 平板状の基板に沿ってホログラム記録媒体が形成され、指向性を有する画像光を前記ホログラム記録媒体に入射させることにより前記画像光を投影するための投影画像生成部と、
前記投影画像生成部を前記基板上の面に沿って、当該面上の所定点を回転中心として回転駆動する駆動部とを備え、
前記投影画像生成部の前記ホログラム記録媒体には、前記所定点に対応する位置を含む所定範囲に、参照光及び物体光として2つのレーザ光を前記ホログラム記録媒体への入射角を略同一に保った状態で同時に入射させることにより形成される形態のホログラムが予め記録されている、
ことを特徴とする立体画像投影装置。 - 前記投影画像生成部の前記ホログラム記録媒体は、前記所定点に対応する位置を回転中心として回転駆動されると同時に、前記所定範囲に前記参照光及び前記物体光が入射されることにより形成される形態の複数のホログラムが多重して予め記録されている、
ことを特徴とする請求項1記載の立体画像投影装置。 - 前記投影画像生成部の前記ホログラム記録媒体は、前記所定点に対応する位置を回転中心として回転駆動されると同時に、前記所定範囲が周期的に分割された範囲に、前記回転駆動による回転角度に同期して前記参照光及び前記物体光が入射されることにより形成される形態の複数のホログラムが、分割されて予め記録されている、
ことを特徴とする請求項1記載の立体画像投影装置。 - 前記ホログラム記録媒体は、前記基板上に積層された複数のホログラムシート材を含み、
前記複数のホログラムは、それぞれ前記複数のホログラムシート材に記録されている、
ことを特徴とする請求項2記載の立体画像投影装置。 - 前記投影画像生成部には、前記駆動部によって回転駆動されながら、前記基板上の前記所定範囲に向けて、前記基板上の面に対して前記ホログラム記録時の前記参照光及び物体光の前記入射角に対応する角度で前記画像光が入射される、
ことを特徴とする請求項1~4のいずれか一項に記載の立体画像投影装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011503774A JP5555824B2 (ja) | 2009-03-09 | 2010-03-01 | 立体画像投影装置 |
US13/255,375 US20120062968A1 (en) | 2009-03-09 | 2010-03-01 | Three-dimensional image projection device |
EP10750706.3A EP2407813B1 (en) | 2009-03-09 | 2010-03-01 | Three-dimensional image projection device |
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JP2009-055473 | 2009-03-09 | ||
JP2009055473 | 2009-03-09 |
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WO2010103952A1 true WO2010103952A1 (ja) | 2010-09-16 |
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PCT/JP2010/053267 WO2010103952A1 (ja) | 2009-03-09 | 2010-03-01 | 立体画像投影装置 |
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US (1) | US20120062968A1 (ja) |
EP (1) | EP2407813B1 (ja) |
JP (1) | JP5555824B2 (ja) |
KR (1) | KR20110127719A (ja) |
TW (1) | TWI460524B (ja) |
WO (1) | WO2010103952A1 (ja) |
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CN102262301A (zh) * | 2010-11-18 | 2011-11-30 | 宸鸿光电科技股份有限公司 | 全息立体影像投射装置及其在电子产品的应用和使用方法 |
CN217540598U (zh) * | 2022-01-26 | 2022-10-04 | 广东时光生活科技有限公司 | 一种幻灯片投影灯 |
Citations (3)
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JPH09197581A (ja) | 1996-01-19 | 1997-07-31 | Hitachi Ltd | 擬似立体画像表示装置 |
JP2007017634A (ja) | 2005-07-06 | 2007-01-25 | Ntt Docomo Inc | 立体画像表示装置及び立体画像表示方法 |
JP2007219491A (ja) * | 2005-12-13 | 2007-08-30 | Dainippon Printing Co Ltd | 画面切替型ホログラム作製方法及びその方法により作製された画面切替型ホログラム |
Family Cites Families (5)
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US6944110B2 (en) * | 2001-11-26 | 2005-09-13 | Digital Software Corporation | Method and apparatus for providing optical network interface using optical memory storage |
TW591351B (en) * | 2002-09-13 | 2004-06-11 | Univ Nat Central | Device and method for manufacturing disc-shaped exhibitive hologram |
US9001401B2 (en) * | 2005-12-13 | 2015-04-07 | Dai Nippon Printing Co., Ltd. | Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that process |
JP4207997B2 (ja) * | 2006-07-21 | 2009-01-14 | ソニー株式会社 | 複製ホログラム記録媒体の製造方法、複製用原盤の製造装置、複製ホログラム記録媒体の製造装置および複製用原盤 |
US7884984B2 (en) * | 2007-04-05 | 2011-02-08 | E. I. Du Pont De Nemours And Company | Multicolor holographic replication by masking |
-
2010
- 2010-03-01 WO PCT/JP2010/053267 patent/WO2010103952A1/ja active Application Filing
- 2010-03-01 JP JP2011503774A patent/JP5555824B2/ja not_active Expired - Fee Related
- 2010-03-01 KR KR1020117022550A patent/KR20110127719A/ko not_active Application Discontinuation
- 2010-03-01 US US13/255,375 patent/US20120062968A1/en not_active Abandoned
- 2010-03-01 TW TW099105904A patent/TWI460524B/zh not_active IP Right Cessation
- 2010-03-01 EP EP10750706.3A patent/EP2407813B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09197581A (ja) | 1996-01-19 | 1997-07-31 | Hitachi Ltd | 擬似立体画像表示装置 |
JP2007017634A (ja) | 2005-07-06 | 2007-01-25 | Ntt Docomo Inc | 立体画像表示装置及び立体画像表示方法 |
JP2007219491A (ja) * | 2005-12-13 | 2007-08-30 | Dainippon Printing Co Ltd | 画面切替型ホログラム作製方法及びその方法により作製された画面切替型ホログラム |
Non-Patent Citations (1)
Title |
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See also references of EP2407813A4 |
Also Published As
Publication number | Publication date |
---|---|
TW201040654A (en) | 2010-11-16 |
JPWO2010103952A1 (ja) | 2012-09-13 |
KR20110127719A (ko) | 2011-11-25 |
US20120062968A1 (en) | 2012-03-15 |
EP2407813A4 (en) | 2012-08-01 |
EP2407813B1 (en) | 2013-08-21 |
JP5555824B2 (ja) | 2014-07-23 |
EP2407813A1 (en) | 2012-01-18 |
TWI460524B (zh) | 2014-11-11 |
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