JPH0612515B2 - XYZ plotter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is an X-ray system capable of obtaining a hard copy of a three-dimensional image.
The present invention relates to a YZ plotter. The XYZ plotter is, for example, a computer output device, a CAD output device used in the field of mechanical design, making a hard copy of a three-dimensional image for medical use, and a three-dimensional image in the field of design. It is widely used for making hard copy, making hard copy of three-dimensional image in the study of molecular structure, and various other purposes.

(Prior Art) Output devices that can obtain a hard copy, such as XY plotters and electrostatic printers, which have been conventionally used as image information output devices in computers, are all two-dimensional image output devices.

By the way, in the case of displaying a three-dimensional graph when a computer handles a multivariable function, or displaying a three-dimensional image when designing a three-dimensional shape by a computer, there is a conventional method, for example, Japanese Patent Application Laid-Open No. 56-696
12, JP-A-56-71387, JP-A-5
As disclosed in Japanese Patent Laid-Open No. 6-72595 and others, soft copying of a three-dimensional image has been performed by outputting three-dimensional image information from a computer.
Since an output device capable of obtaining a three-dimensional image as a hard copy has not been provided, the advent of a device capable of obtaining a hard copy of a true three-dimensional image has been desired.

Therefore, in the applicant company, an XYZ plotter as shown in FIG. 15, that is, a fly's eye lens plate and the fly's eye lens plate are abbreviated as a device capable of solving the above problems. A photosensitive recording member installed on the focal plane,
Means for three-dimensionally displacing the point light source turned on at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in front of the fly-eye lens plate. We propose an XYZ plotter with the configuration provided,
When the three-dimensional image recorded by the XYZ plotter shown in FIG. 15 is reproduced, the range in which the original three-dimensional image targeted for recording can be viewed correctly (hereinafter,
(It is described as a visual field) is narrow, and from the place deviated from the above-mentioned visual field, in addition to the object to be recorded and the three-dimensional image,
In order to prevent the problem that a three-dimensional image (ghost image, spurious image), which originally did not exist at the time of recording, is also recognized, the configuration principle is shown in FIG. 20. Form of XYZ plotter is proposed, and further, it is drawn in a wider space than the XYZ plotter shown in FIGS. 15 and 20.
An XYZ plotter having a structure as shown in FIG. 33 capable of recording a three-dimensional image, that is, a fly's eye lens plate, and a photosensitive recording member provided on substantially the focal plane of the fly's eye lens plate, Means for three-dimensionally displacing the ignition source turned on at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in which the fly-eye lens plate is installed. And an XYZ plotter in which the locus of the above-mentioned lighting source is recorded by a photosensitive recording member provided substantially on the focal plane of the fly-eye lens plate, and is to be recorded. As divergent light from a point light source used to form a locus of light spots corresponding to a three-dimensional image, divergent light from a condensing point obtained by converging light from an arbitrary light source by an optical system is used. Fly-eye lens plate described above The XYZ plotter is arranged in a three-dimensional space within the movement range of the condensing point of the optical system, and the XYZ plotter having the above-mentioned configuration is composed of an array set of a large number of individual lenses. Regarding the photosensitive recording member to be installed substantially in the focal plane of the fly-eye lens plate, each individual lens in the fly-eye lens plate individually occupies the fly-eye lens individually. When the individual areas are set to have a one-to-one correspondence with the above-described existence area of each single lens with the same plane shape size as the existence area of the lens, it is set in the photosensitive recording member as described above. The individual areas are limited to the divergence direction of the light from the above-mentioned condensing point so that the light that has passed through the individual lenses other than the individual lenses corresponding to the individual areas does not enter. Hand to add XY formed by providing a
In addition to proposing a Z plotter, the XYZ plotter using the fly-eye lens plate described above can sense a stereoscopic image regardless of whether the left and right eyes move to the left or right or up and down. A cylindrical / convex lens / array plate CL having a simpler configuration than the fly-eye lens plate described above, in which individual eyes are arranged both vertically and horizontally.
A, that is, in the cylindrical / convex lens array plate CLA having a configuration in which a large number of cylindrical / convex lenses are aligned on a plane in which their cylindrical axes are parallel to each other, Since the lens has no lens function, the cylindrical / convex lens / array plate CLA cannot record parallax information in the axial direction of the cylinder, but due to the convergence and binocular parallax due to the fact that the human eyes are arranged on the left and right. The minimum required stereoscopic effect is that the stereoscopic effect is sufficient only in the left-right direction, and the cylindrical / convex lens array plate C is more effective than the fly-eye lens plate.
From the points that LA is easier to manufacture, etc., it is possible to contribute to the simplification of the configuration of the XYZ plotter by recording the three-dimensional information using the cylindrical / convex lens / array plate CLA. Regarding the XYZ plotter in which three-dimensional information is performed using the cylindrical / convex lens / array plate CLA in the applicant company, as shown in FIG. 23, the cylindrical / convex lens array and the above-mentioned cylindrical / convex lens array Of the photosensitive recording member installed substantially in the focal plane of the cylindrical body and the assumed plane parallel to the focal plane of the cylindrical convex lens array described above, and orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array described above. Emit a fan-shaped light beam that diverges only in the direction specified as The source is the extension of the cylindrical axis of the cylindrical convex lens array in the information of the position of each point of the three-dimensional image to be recorded in the three-dimensional space in front of the cylindrical convex lens array. 3 by the mode in which the position information about the other two coordinate axes excluding the position information about the coordinate axis of the direction is correctly shown.
A means for dimensionally displacing the above-mentioned cylindrical
A straight line set in a direction orthogonal to the extending direction of the cylindrical axis of the cylindrical convex lens array described above with respect to a plane parallel to the focal plane of the cylindrical convex lens array in the three-dimensional space on the front surface of the convex lens array. Plane and the plane formed by each point of the three-dimensional image to be recorded in the three-dimensional space on the front surface of the cylindrical convex lens array described above intersects the surface of the cylindrical convex lens array described above. A means for recording in a linear region formed on the photosensitive recording member installed on the approximately focal plane of the cylindrical convex lens array corresponding to the substantially linear line formed by And an XYZ plotter having the above-mentioned configuration, wherein the cylindrical / convex The photosensitive recording member to be installed substantially on the focal plane of the lens array plate has the same plane shape dimension as the plane shape dimension of each of the above-mentioned cylindrical cylindrical lens and convex lens array plate. When individual areas are set so as to correspond one-to-one with the individual cylindrical / convex lenses, the individual areas set in the photosensitive recording member as described above correspond to the individual areas. Of the 3D image to be recorded in the 3D space in front of the cylindrical / convex lens / array plate described above so that the light passing through the cylindrical / convex lens other than the cylindrical / convex lens is not incident. From the divergent light source for recording formed at the condensing point by the optical system at the position corresponding to the shape, The XYZ plotter, which is provided with means for limiting the divergence range of the luminous flux diverging in a fan shape in the direction orthogonal to the extending direction of the cylindrical axis of the lens / convex lens array plate, is also proposed. As an XYZ plotter capable of recording a three-dimensional image drawn in a three-dimensional space wider than the XYZ plotter as shown in the figure, an XYZ plotter having a configuration as shown in FIG. 40, that is, a cylindrical convex lens array plate, Assuming a surface parallel to the focal plane of the cylindrical / convex lens / array plate and the photosensitive recording member installed approximately on the focal plane of the cylindrical / convex lens / array plate, the assumed plane The divergence occurs only in the direction defined as the direction orthogonal to the extending direction of the cylindrical axis of the cylindrical convex lens array plate described above. As a fan-shaped light beam like this, a light beam that is made to diverge after being focused by an optical system is used, and its condensing point is used as a divergent light source for recording, and it is formed at the condensing point by the optical system described above. The divergence light source is a cylindrical convex lens array plate in the information of the position of each point of the three-dimensional image to be recorded in the three-dimensional space where the cylindrical convex lens array plate is installed. Means for three-dimensionally displacing the position information about the other two coordinate axes excluding the position information about the coordinate axis in the extending direction of the cylindrical axis, and the cylindrical convex lens array described above. Cylindrical / convex lens described above in the three-dimensional space where the plate is installed
There is the above-mentioned cylindrical / convex lens / array plate and the linear visual field set in the direction orthogonal to the extending direction of the cylindrical axis in the above-mentioned cylindrical / convex lens / array plate on the plane parallel to the focal plane of the array plate. The plane formed by each point of the three-dimensional image to be recorded in the three-dimensional space corresponds to the substantially straight line formed by intersecting the surface of the cylindrical convex lens array plate. The cylindrical convex lens is provided with a means for recording in a linear region formed on the photosensitive recording member which is provided substantially on the focal plane of the array convex lens.・ The array plate should be installed in the three-dimensional space within the moving range of the divergent light source for recording formed at the condensing point by the above optical system. XYZ plotters, and in XYZ plotter of the above-described configuration, cylindrical-described above
Regarding the photosensitive recording member to be installed on approximately the focal plane of the convex lens / array plate, the above-mentioned planar shape dimension is the same as the planar shape dimension of each of the above-mentioned cylindrical / convex lens / array plate and the plurality of cylindrical / convex lenses / When individual areas are set so as to correspond one-to-one with the individual cylindrical / convex lenses described above, the individual areas set in the photosensitive recording member as described above correspond to the individual areas. The cylindrical / convex lens other than the above-mentioned cylindrical / convex lens is configured so that the light passing through the convex / convex lens does not enter.
Cylindrical / convex lens from a diverging light source for recording formed at a condensing point by the optical system at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in front of the convex lens / array plate XY provided with means for limiting the divergence range of the luminous flux diverging in a fan shape in the direction orthogonal to the extending direction of the cylindrical axis of the array plate
Proposing a Z plotter.

In the XYZ plotter already proposed by the applicant company, the XYZ plotter shown in FIGS. 15, 15, 20 and 33, respectively, is a fly's eye lens as a stereoscopic lens plate. It is an XYZ plotter using a lens plate FEL, and is also shown in FIGS.
The XYZ plotters shown in FIG. 0 are XYZ plotters that use a cylindrical lens, a convex lens, and an array plate CLA as a lens plate for stereoscopic photography. The explanation is as follows.

FIG. 15 shows XYZ already proposed by the applicant company.
It is a perspective view showing a schematic structure of a plotter.
FIG. 15 is an explanatory diagram of a recording principle of a three-dimensional image by the already proposed XYZ plotter shown in FIG. 15, and FIG. 17 is an explanatory diagram of a reproduction principle of a three-dimensional image recorded by the already proposed XYZ plotter shown in FIG. .

In FIG. 15, MB is a machine base, and on this machine MB is a fly's eye lens plate (because it is similar to an insect compound eye composed of a large number of individual eyes, a compound eye lens, A fly's-eye lens plate, etc.), and a photosensitive recording member PS arranged so as to be located approximately at the focal plane of the fly-eye lens plate FEL.
M and are installed.

The fly-eye lens plate FEL has a minute diameter, for example, a diameter of 0.5 mm to 0.07 mm, and has a configuration form in which a large number of individual lenses with short focal lengths are arrayed and assembled. It is possible to use a molded article made of transparent plastic, but as the fly-eye lens plate FEL, in addition to the above-mentioned configuration mode, for example, two cylindrical convex lens arrays are used. The fly-eye lens plate may be formed by serially arranging the cylindrical lens axes in each of the cylindrical / convex lens arrays in the optical path in a state of being arranged to be orthogonal to each other. . And
As described above, the focal plane of the fly-eye lens plate FEL in which the two cylindrical convex lens arrays are arranged in series in the optical path in such a state that their cylindrical lens axes are orthogonal to each other , Are formed on the same focal plane of the two cylindrical convex lens arrays.

As the above-mentioned photosensitive recording member PSM, for example, a photographic plate or photographic film provided with a silver salt photosensitive material film is used, or a phase change from an amorphous state to a crystalline state by irradiation of light or A photosensitive recording member that causes a phase change from a crystalline state to an amorphous state, a magneto-optical recording member, or the like can be used. In the following description, a silver salt photosensitive material is used as the photosensitive recording member PSM. A photographic plate or film provided with a film is said to be used.

The XYZ plotter shown in FIG. 15 is displacement driven so that it can be turned on in the three-dimensional space in front of the fly-eye lens plate FEL described above at a position corresponding to the shape of the three-dimensional image to be recorded. The point light source PPS is provided, and the entire configuration is used in a dark box.

The point light source PP described above should be configured so that it can be displaced and driven to any position within a predetermined range in a three-dimensional space in front of the fly-eye lens plate FEL.
S is configured to be displaced and driven by a driving device DRA provided on the machine base MB, and the driving device DRA of the point light source PPS is driven in the X-axis direction in the XYZ orthogonal coordinate system by the driving rotation of the stepping motor Mx. In the XYZ orthogonal coordinate system, it is fixed to the transfer body Fx in the X-axis direction that is transferred in the X-axis direction along the rule member Rx provided so as to extend and the transfer body Fx in the X-direction described above. The Z-axis transfer body Fz transferred in the Z-axis direction by the drive rotation of the stepping motor Mz along the rail member Rz provided so as to extend in the Z-axis direction, and the Z described above.
Y is transferred in the Y-axis direction by driving rotation of the stepping motor My along a rail member Ry that is fixed to the axial transfer body Fz and is provided so as to extend in the Y-axis direction in the XYZ orthogonal coordinate system. An axial transfer body Fy is provided.

Therefore, the point light source P in the XYZ plotter shown in FIG.
The drive unit DRA of the PS is rotationally driven by the stepping motors Mx, My, Mz in each of the transport bodies Fx, Fy, Fz in the X, Y, and Z axis directions according to drive signals supplied from the computer. By doing, Y
The above-mentioned point light source P fixed to the transporting body Fy in the axial direction.
PS can be displaced and driven to any position within a predetermined range in the three-dimensional space in front of the fly-eye lens plate FEL, and the lighting state of the point light source PPS is controlled by a computer. As a result, within the predetermined range in the three-dimensional space in front of the fly-eye lens plate FEL, the shape of the three-dimensional image to be recorded is displayed as a continuous linear trajectory of light. Alternatively, the shape of the three-dimensional image to be recorded may be displayed by the array of light spots.

Now, when the point light source PPS is turned on in the three-dimensional space in front of the fly-eye lens plate FEL, the light emitted from the point light source PPS is illustrated in FIG. 16 (the same applies to FIG. 18). Fly-eye lens plate (compound eye lens plate) FEL
An image of the point light source PPS is formed and recorded on the photosensitive recording member PSM installed on the focal plane of the above for each individual lens (single lens) in the compound eye lens plate FEL.
In FIG. 16 (the same applies to FIG. 18), the portion of the photosensitive recording member PSM arranged so as to be located on the focal plane of the fly's eye lens plate FEL is indicated by a circle. Point light source PPS in the three-dimensional space in front of the lens plate FEL
3 shows an image forming portion of the image of FIG.

On the focal plane of the fly eye lens plate (compound eye lens plate) FEL when the lighting position of the point light source PPS moves to a different position from the position shown in FIG. 16 in the three-dimensional space in front of the fly eye lens plate FEL. The image of the moved point light source PPS, which is imaged for each individual lens (single lens) in the compound eye lens plate FEL described above with respect to the installed photosensitive recording member PSM, is the point shown in FIG. Light source PPS
Therefore, the photosensitive recording member PSM installed on the focal plane of the fly-eye lens plate (compound-eye lens plate) FEL has a position different from that of the compound-eye lens FEL. An image of the point light source PPS is formed at a position corresponding to the lighting position of each point light source PPS in the three-dimensional space in front of the fly-eye lens plate FEL for each lens (single-eye lens). As a result of the recording, the position information of the point light source PPS at each position three-dimensionally displaced in the three-dimensional space in front of the fly-eye lens plate FEL is recorded on the photosensitive recording member PSM. is there.

The photosensitive recording member P installed on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL in the recording mode as described above.
If the image of the point light source in the three-dimensional space on the front surface of the fly-eye lens plate FEL recorded on the SM is a photosensitive recording member PSM positive type, the image of the point light source is developed by developing it. It is developed in such a manner that only that part becomes transparent and the other part becomes black.

FIG. 17 shows that the recorded photosensitive recording member PSMp on which the position information of the point light source PPS located in the three-dimensional space on the front of the fly-eye lens plate FEL is recorded as described above is irradiated with diffused light. FIG. 17 is a diagram for explaining that the reproduced image PPSp of the original point light source PPS can be made to appear in the space in front of the fly's eye lens plate FEL. In FIG. 17, PSMp is a point light source. The recorded photosensitive recording member PSMp is developed in such a manner that only the image part becomes transparent and the other part becomes black.

Both the above-mentioned recorded photosensitive recording member PSMp and the fly-eye lens plate FEL having the same configuration as the fly-eye lens plate FEL used at the time of recording, the relative positional relationship between them is recorded. When the recorded photosensitive recording member PSMp is irradiated with diffused light from the light source DSP from the side opposite to the fly's eye lens plate FEL, it is transmitted through the recorded photosensitive recording member PSMp. The light is condensed for each individual lens in the fly-eye lens plate FEL, and as a result, as shown in FIG. 17, the light is focused on the PPSp in the three-dimensional space in front of the fly-eye lens plate FEL. A real image is formed, but the real image PPSp is perceived as a point of light existing at the position of the real image when seen by a person who is away from the position of the real image PPSp.

Then, as the above-mentioned recorded photosensitive recording member PSMp,
If an image of the point light source PPS at each of a large number of three-dimensionally displaced positions in the three-dimensional space is recorded, the image at each position of the point light source PPS recorded in the recorded photosensitive recording member PSMp is The fly-eye lens plate FEL is condensed for each individual lens in the fly-eye lens plate FEL.
Since a real image is formed at the position of the original point light source in the three-dimensional space in front of the EL, when a person who is far from the position of the real image PPSp sees it, the real image in the three-dimensional space The entire line of light or the point of light appearing at the position of can be perceived as a three-dimensional image by light.

As is clear from the recording / reproducing principle described with reference to FIGS. 16 and 17, the already proposed XYZ plotter performs line drawing by light or point drawing by light by lighting a point light source in a three-dimensional space. Since a three-dimensional image by the drawn light is recorded on the photosensitive recording member installed on the focal plane of the fly-eye lens plate, a color image is formed by selectively using the point light source and the photosensitive recording member described above. A three-dimensional image can be made to appear, and a light-reflective recorded photosensitive recording member (for example, photographic paper) is used as the recorded photosensitive recording member instead of the light-transmissive recording member. , Even when illuminated with diffused light from the fly-eye lens plate side during playback, a three-dimensional image with light drawn as line drawing or point drawing by light is displayed in the three-dimensional space in front of the fly-eye lens plate. To appear It can also be.

Further, the photosensitive recording member PSM to be arranged so as to be positioned on the focal plane of the fly-eye lens plate FEL, even if it is configured to be integrated with the fly-eye lens plate FEL, or The fly-eye lens plate FEL may be configured so that the photosensitive recording member PSM and the fly-eye lens plate FEL that are to be positioned on the focal plane of the fly-eye lens plate FEL are configured separately. Recording member PSM to be arranged so as to be located at the focal plane of the lens plate FEL
Is configured separately from the fly-eye lens plate FEL, the recorded photosensitive recording member PS
The Mp and the fly-eye lens plate FEL used at the time of recording are combined and reproduced so that the relative positional relationship between the fly-eye lens plate FEL and the fly-eye lens plate FEL having the same configuration as that at the time of recording is the same. Used for.

In the proposed XYZ plotter described with reference to FIG. 15, in the three-dimensional space in front of the fly's eye lens plate FEL, the image of the point light source PPS shows the individual lenses in the compound eye lens FEL (single eye lens). ) For each fly eye lens plate (compound eye lens) FEL is imaged on the photosensitive recording member PSM installed on the focal plane of the fly eye lens as illustrated in FIG. Plate (compound eye lens) FEL
The photosensitive recording member PSM installed on the focal plane of
Since the position information of the point light source PPS is recorded for each position in the three-dimensional space in front of the fly-eye lens plate FEL, each position in the three-dimensional space in front of the fly-eye lens plate FEL is recorded as described above. In the three-dimensional space in front of the fly-eye lens plate FEL by irradiating the recorded photosensitive recording member PSMp on which the position information of the point light source PPS for each position is recorded with diffused light as shown in FIG. Point light source PP
Sp is made so that it can be recognized by the observer M. In the XYZ plotter described with reference to FIG.
When the 3D image recorded by it is reproduced,
The range in which the three-dimensional image can be correctly viewed (hereinafter referred to as the viewing area) is narrow, and the one which is the recording object is located outside the viewing area. In addition to 3D images, 3D images (ghost images, spurious images) that did not originally exist at the time of recording
However, there is a problem that is also recognized.

FIG. 18 and FIG. 19 are diagrams for specifically explaining the above-mentioned problems, and FIG. 18 shows the XYZ plotter described with reference to FIG. 15 similarly to FIG. 16 already described. , A state in which an image of one point light source PPS in a three-dimensional space in front of the fly-eye lens plate FEL is recorded on a photosensitive recording member PSM installed at the position of the focal plane of the fly-eye lens plate FEL. FIG. 18 is a diagram for explaining the above, and in FIG. 18, PPS is one point light source that is located in a three-dimensional space in front of the fly-eye lens plate FEL and is a recording target, and , PSM indicates a photosensitive recording member installed at the position of the focal plane of the fly-eye lens plate FEL.

The image of one point light source PPS in the three-dimensional space in front of the fly-eye lens plate FEL is placed at the position of the focal plane of the fly-eye lens plate FEL in the manner as illustrated in FIG. Recorded photosensitive recording member PS obtained by performing a photosensitive recording member PSM development process after recording on the photosensitive recording member PSM.
By irradiating Mp with diffused light from the lower diffused light source PPS in FIG. 19, reproduction corresponding to the point light source PPS targeted for recording is performed in the three-dimensional space in front of the fly eye lens plate FEL. While the image PPSp is reproduced, reference characters PPSr1, PPSr2 ..., PPSl1, PPSl2 ... In FIG.
A reproduced image is also generated at each of the spatial positions illustrated in FIG.

The above points will be specifically described as follows. That is, 1 in the three-dimensional space in front of the fly-eye lens plate FEL
Light from one point light source PPS is imaged by each individual lens in the fly-eye lens plate FEL, and is formed in the photosensitive recording member PSM at the focal plane of the fly-eye lens plate FEL in FIG. It is recorded at the position marked with a circle.

Then, at the position of the circle in FIG. 19 in the recorded photosensitive recording member PSMp obtained by developing the photosensitive recording member PSM, as described with reference to FIG. Light from one point light source PPS in the three-dimensional space from the front is placed on the position of the focal plane of the fly-eye lens plate FEL by each individual lens in the fly-eye lens plate FEL. Although it is image-formed and recorded on,
When diffused light is radiated from below in the figure, a large number of image portions recorded based on one point light source PPS at the positions marked with circles in FIG. 19 on the recorded photosensitive recording member PSMp as described above. The light that passed through is the fly-eye lens plate FEL
, PPSpl1, PPSpr2, ..., PPSpl1, ...
Real images are formed at many positions such as PPSpl2.

The fly-eye lens plate FE shown in FIG.
The point PPSp shown in the three-dimensional space in front of L is
It corresponds to the point light source PPS targeted for recording, that is, one point light source PPS targeted for recording in the three-dimensional space in front of the fly's eye lens plate FEL in FIG. , The fly-eye lens plate F in FIG. 19 described above.
Point PPSp shown in the three-dimensional space in front of EL
Is the light from one point light source PPS recorded in the three-dimensional space in front of the fly-eye lens plate FEL in FIG. The path of the light ray traced when the image is recorded on the photosensitive recording member PSM installed at the position of the focal plane of the fly-eye lens plate FEL is shown in FIG.
The diffused light emitted from the lower side of the SMp is traced in the opposite direction.
The point PPSpr1 shown in the three-dimensional space in front of the fly-eye lens plate FEL in the figure is the above-mentioned point PPSp.
1 for each individual lens through which the light beam forming the real image passes
This is a real image generated by light that has passed through each of the individual lenses adjacent to the right on the right side, and the point PPSpr2 shown in the three-dimensional space in front of the fly-eye lens plate FEL in FIG. FIG. 19 is a real image produced by light passing through each of the individual lens elements on the right adjacent to each of the individual lens elements through which the light beam forming the real image passes at the point PPSp. Point P shown in the three-dimensional space in front of the fly-eye lens plate FEL inside
PSpl1 is a real image generated by light passing through each single lens left adjacent to each single lens through which the light ray forming the real image at the point PPSp passes, and further, in FIG. 19 described above. The point PPSpl2 shown in the three-dimensional space in front of the fly's-eye lens plate FEL has only two adjacent left-sided individual lenses with respect to each single-sided lens through which a real image is formed at the point PPSp and a ray of light passes through. It is a real image produced by the light passing through.

Each of the points PPSp and PPS shown in FIG.
The real images generated at many positions such as pr1, PPSpr2 ..., PPSpl1, PPSpl2 ... Are to be recognized by the observer within the range indicated by arrows in FIG. , For example, in the portion indicated by E in FIG.
The three light spots PSpr1 and PPSpl1 will be seen at the same time. In this case, the three light spots PPsp and P seen by the observer.
Of PSpr1 and PPSpl1, the correct light spot is only PPSp, and the other two light spots PPSppr1 and PPSpl1 are ghosts or spurs.

As described above, in the XYZ plotter described with reference to FIG. 15, when the three-dimensional image recorded by the XYZ plotter is reproduced, the range in which the three-dimensional image of the recording target can be correctly viewed. In addition to the original three-dimensional image targeted for recording, a false 3 that was originally not present at the time of recording from a location deviated from the above-mentioned visual area is narrow (hereinafter referred to as the visual area). The problem is that three-dimensional images (ghost images, spurious images) are also recognized.
FIG. 20 is an example of an essential part for explaining the configuration principle of an already proposed XYZ plotter configured so that the above problems do not occur. In FIG. 20, FEL is X,
A fly-eye lens plate whose focal plane is a plane including arbitrary two coordinate axes in a Y, Z orthogonal coordinate system, and a PSM
Is a photosensitive recording member installed on the focal plane of the fly-eye lens plate FEL, and the PPS is to be recorded in the three-dimensional space in front of the fly-eye lens plate FEL. A point light source adapted to be turned on at a position corresponding to the shape of a three-dimensional image, the point light source PP
S is a means for displacing and driving it three-dimensionally, for example, the first
The three-dimensional displacement driving means having the structure described above with reference to FIG. 5 can be displaced to any predetermined position in the three-dimensional space in front of the fly-eye lens plate FEL. ing.

In FIG. 20, SM is 3 as shown in FIG.
Dimensionally, the divergence direction of light with respect to the light emitted from the point light source PPS is arranged so that it can be displaced and driven to any predetermined position in the three-dimensional space in front of the fly-eye lens plate FEL. Regarding the light-sensitive recording member PSM which is a limiting member, which is to be placed on the focal plane of the fly's-eye lens plate FEL, which is a limiting member SM in the direction of divergence of light, and is composed of an array set of a large number of individual lenses , The individual lenses in the fly-eye lens plate FEL are the individual lenses in the fly-eye lens plate FEL are the fly-eye lens plate F
The individual area is set to have a one-to-one correspondence with the existing area of each individual lens described above with the same planar shape size as the existing area of the individual lens occupied individually in EL (FIG. 20). , The area indicated by P in FIG. 21) is used, the individual areas set in the photosensitive recording member PSM as described above include the elements other than the single lens corresponding to the individual areas. The operation is performed so as to limit the diverging direction of the light from the point light source PPS so that the light passing through the eye lens is not incident.

The above points will be specifically described as follows. The fly-eye lens plate FEL configured by an array set of a large number of individual lenses has an existence area such that each of the large number of individual lenses used for forming the FEL has a predetermined shape and dimension. In many cases, the fly-eye lens plate F is configured as a state in which the existence areas of the individual lenses are arranged so as to follow a predetermined arrangement pattern.
The area where the individual lenses are present in the EL is, for example, in a checkerboard-like array pattern or in a honeycomb-like array pattern, for example.

Then, with respect to the photosensitive recording member PSM to be installed on the focal plane of the fly-eye lens plate FEL, each individual lens in the fly-eye lens plate FEL is individually mounted in the fly-eye lens plate FEL. Individual areas are set in the photosensitive recording member PSM so as to have a one-to-one correspondence with the existence area of each individual lens described above with the same plane shape size as the existence area of the occupied single lens. The incident ray of the maximum incident angle of the incident ray that is incident on the area from the individual lens corresponding to that area to each area set as
In order that the light rays (PLl and PLr in FIG. 21) reach the boundary of the area, the light incident on each of the above-mentioned individual lenses is limited to the light rays included in the range of the angle θ in FIG. The divergence direction of the light emitted from the point light source PPS is restricted by the light divergence direction restricting member SM so that the light is incident on each individual lens as a restricted state.

As the light divergence direction limiting member SM used to limit the divergence direction of the light emitted from the point light source PPS, the fly-eye lens plate FEL configured by an array set of a large number of individual lenses is used. However, if the shape of the existence area of a large number of individual lenses used in the construction is square and the existence area of each individual lens follows a grid-like array pattern, a square opening is provided. The above configuration may be used, and the fly-eye lens plate FEL configured by an array set of a large number of individual lenses is used for a large number of individual eyes used for the structure. When the shape of the area where the lenses are present is a regular hexagon and the area where the individual lenses are present is arranged like a honeycomb, the divergence direction of the light emitted from the point light source PPS is limited. The divergence direction of the restriction member SM of the light used in order, may be employed as the configuration form such as a regular hexagonal opening is provided.

In addition, a fly-eye lens plate FEL that is a spherical eye-lens lens that is easy to form a high-performance eye-lens plate as a fly-eye lens plate FEL When used, the above point light source PP
As the light divergence direction limiting member SM used to limit the divergence direction of the light emitted from S, a configuration having a circular opening with a predetermined diameter is used.

In the above description, as the light divergence direction limiting member SM used to limit the divergence direction of the light emitted from the point light source PPS, a configuration having an opening of a predetermined shape is used. It was said that the point light source PP
For the light emitted from S, any limiting means capable of giving a directional characteristic capable of limiting the direction of divergence of light in a required limiting manner may be applied.

As described above, when the diverging direction of the light emitted from the point light source PPS is limited by the light diverging direction limiting member SM, the lighting state of the point light source PPS is limited by the computer, and the fly-eye lens is used. The shape of the three-dimensional image to be recorded within a predetermined range in the three-dimensional space on the front surface of the plate FEL is displayed as a continuous linear light trajectory, or the recording target is recorded. Should be 3
When the shape of the three-dimensional image is displayed by an array of light spots, the light emitted from the point light source PPS is
The divergence direction limiting member SM shown in FIG. 20 impinges on the individual lenses of the fly-eye lens plate FEL in a state where the divergence direction is restricted, so that it is installed on the focal plane of the fly-eye lens plate. The photosensitive recording member PSM is
An image of the point light source PPS is formed for each individual lens (individual lens) within a predetermined range in the compound eye lens FEL, and is located on the focal plane of the fly-eye lens plate FEL in FIG. Arranged photosensitive recording member PSM
A predetermined number of regions (in the example shown in FIG.
5 into ^two regions) are represented by circles in the portion, the image of the point source PPS in the three-dimensional space of the front surface of fly eye lens plate FEL is recorded by imaging.

Installed on the focal plane of the fly-eye lens plate (compound eye lens) FEL when the lighting position of the point light source PPS moves to a different position from the position shown in FIG. 20 in the three-dimensional space in front of the fly-eye lens plate FEL. Photosensitive recording member P
The image of the moved point light source PPS imaged for each lens (single-eye lens) in the compound eye lens FEL with respect to the SM is the same as the image formation position of the image of the point light source PPS shown in FIG. Are set at different positions. The photosensitive recording member PSM installed on the focal plane of the fly-eye lens plate (compound eye lens) FEL has the above-mentioned compound eye lens FEL.
At the front surface of the fly-eye lens plate FEL for each individual lens (single lens) on which light from the point light source PPS (light within the angle θ of light emitted from the point light source PPS) is incident. An image of the point light source PPS is formed and recorded at a position corresponding to each lighting position of the individual point light source PPS in the three-dimensional space, so that the photosensitive recording member PS can be recorded.
M is 3 in the three-dimensional space in front of the fly-eye lens plate FEL.
The position information of the point light source PPS is recorded for each position that is dimensionally displaced.

Fly-eye lens plate (compound eye lens) in the recording mode as described above
Photosensitive recording member PSM installed on the focal plane of FEL
If the photosensitive recording member PSM is a positive type, the image of the point light source PPS in the three-dimensional space on the front surface of the fly's-eye lens plate FEL recorded on the image of the point light source is developed. It is developed in such a manner that only the portion of the above becomes transparent and the other portion becomes black.

FIG. 22 shows that the recorded photosensitive recording member PSMp, on which the position information of the point light source PPS located in the three-dimensional space on the front surface of the fly-eye lens plate FEL is recorded, is irradiated with diffused light. This is a diagram for explaining that the reproduced image PPSp of the original point light source PPS can be made to appear in the space in front of the fly-eye lens plate FEL.
In FIG. 2, PSMp is a recorded photosensitive recording member PSMp that has been developed in such a manner that only the image portion of the point light source becomes transparent and the other portions become black. Both the above-mentioned recorded photosensitive recording member PSMp and the fly-eye lens plate FEL having the same configuration as the fly-eye lens plate FEL used at the time of recording have a relative positional relationship between them. When the diffused light is irradiated from the light source DSP to the recorded photosensitive recording member PSMp shown in FIG. 22 from the side opposite to the fly eye lens plate FEL, the recorded photosensitive property is obtained. The light transmitted through the recording member PSMp is
By condensing each individual lens in the fly-eye lens plate FEL, the PPSp in the three-dimensional space in front of the fly-eye lens plate FEL is exemplified as shown in FIG.
To the real image PSp.
When seen by a person who is away from the position of PSp, it is perceived that a spot of light exists at the position of the real image.

Then, as the above-mentioned recorded photosensitive recording member PSMp,
If an image of the point light source PPS at each of a large number of three-dimensionally displaced positions in the three-dimensional space is recorded, the image at each position of the point light source PPS recorded in the recorded photosensitive recording member PSMp is The fly-eye lens plate FEL is condensed for each individual lens in the fly-eye lens plate FEL.
Since a real image is formed at the position of the original point light source in the three-dimensional space in front of the EL, when a person who is far from the position of the real image PPSp sees it, the real image in the three-dimensional space The entire line of light or light spot appearing at the position can be perceived as a three-dimensional image by light.

It is possible to make a three-dimensional image of a color image appear by selectively using the point light source and the photosensitive recording member described above. Further, the recorded photosensitive recording member is not a light transmissive type but a light reflecting type. Using a type of pre-recorded photosensitive recording member (for example, photographic paper), even when illuminated with diffused light from the fly-eye lens plate side during reproduction, light is emitted in the three-dimensional space in front of the fly-eye lens plate. It is also possible to make a three-dimensional image by light drawn as line drawing by or by point drawing by light appear.

Further, the photosensitive recording member PSM to be arranged so as to be positioned on the focal plane of the fly-eye lens plate FEL, even if it is configured to be integrated with the fly-eye lens plate FEL, or The fly-eye lens plate FEL may be configured so that the photosensitive recording member PSM and the fly-eye lens plate FEL that are to be positioned on the focal plane of the fly-eye lens plate FEL are configured separately. Recording member PSM to be arranged so as to be located at the focal plane of the lens plate FEL
Is configured separately from the fly-eye lens plate FEL, the recorded photosensitive recording member PS
The Mp and the fly-eye lens plate FEL used at the time of recording are combined and reproduced so that the relative positional relationship between them is the same as that at the time of recording. Of course, it can be used for.

In the XYZ plotter described with reference to FIG. 20, the light from the point light source PPS (light within the angle θ of the light emitted from the point light source PPS) in the above-mentioned compound eye lens FEL is incident on each of them. For each lens (single eye lens), the image of the point light source PPS in the three-dimensional space in front of the fly-eye lens plate FEL is different from that of the individual point light source PPS in the three-dimensional space in front of the fly-eye lens plate FEL. Since the point light sources PPS are imaged and recorded at positions corresponding to the lighting positions one by one, the photosensitive recording member PSM is three-dimensionally formed in the three-dimensional space in front of the fly-eye lens plate FEL. The position information of the point light source PPS for each position displaced is recorded, and the position information of the point light source PPS for each position in the three-dimensional space in front of the fly-eye lens plate FEL is recorded as described above. Recorded recorded feeling By irradiating the sexual recording member PSMp with diffused light as shown in FIG. 22, the XYZ plotter described with reference to FIG. 20 records in the three-dimensional space in front of the fly-eye lens plate FEL. In addition to the reproduced image PPSp corresponding to the point light source PPS targeted by the above, false reproduced images PPSpr1, PPSpr ..., P due to the same cause as described above with reference to FIGS. 18 and 19.
PSpl1, PPSpl2, etc. also occur, but the fly-eye lens plate FE is produced by the XYZ plotter described with reference to FIG.
Point light source PP for each position in the three-dimensional space in front of L
Pre-recorded photosensitive recording member PSM in which position information of S is recorded
In the reproduced image reproduced in the three-dimensional space in front of the fly-eye lens plate FEL when diffused light is irradiated to p as shown in FIG. 22, the point light source PP targeted for recording is used.
A range in which the reproduced image PPSp corresponding to Sp can be recognized by the observer (indicated by an arrow θ in FIG. 22 ... viewing area), and false reproduced images PPSpr1, PPSpr ... Point light source PP
Since S, PPSpl1, PPSpl2 ... Do not overlap with the range that can be recognized by the observer (illustrated by arrows a, b, c, and d in FIG. 22), the observer's eye E If the observer is placed within the viewing area indicated by the arrow θ in FIG. 22, the light reproduced at the position corresponding to the position of the true point light source PPS in FIG. Point PP
Since only Sp is recognized, it is possible to correctly see the three-dimensional image of the object of recording over a wide range.

However, in the XYZ plotter shown in FIG. 20, the range in which the three-dimensional image to be recorded can exist is limited to the pyramid-shaped three-dimensional space in front of the fly-eye lens plate FEL. Record the three-dimensional image on the fly-eye lens plate FEL so that the three-dimensional image to be recorded exists even in the space behind the fly-eye lens plate FEL, and reproduce it. I couldn't.

The XYZ plotter shown in FIG. 33 solves the above-mentioned problems and is capable of drawing a three-dimensional image to be recorded even behind the fly's-eye lens plate FEL. The same reference numerals as those used in FIG. 15 are used for the same components as those of the XYZ plotter described above with reference to FIG.
Also in the YZ plotter, the fly-eye lens plate FEL is installed in the same arrangement as that of the above-described XYZ plotter shown in FIG. 15, and the photosensitive recording member PSM is provided on the focal plane of the fly-eye lens plate FEL. The above-described fly-eye lens plate FEL can be used as the photosensitive recording member PSM as described above for the XYZ plotter shown in FIG.

In the XYZ plotter shown in FIG. 33, Fyb is a transfer body that is displacement-driven by the operation of a drive unit DRA described later in the three-dimensional space in front of the fly-eye lens plate FEL. A light source PS and an optical system Lc are housed inside.

The optical system Lc housed in the above-mentioned transfer body Fyb
Is a light source P such as a convex lens or a concave mirror.
After the light emitted from S is converged to form a condensing point PSI, a configuration having a function of diverging a light beam from the condensing point PSI is used.

In the configuration example shown in FIG. 33, the optical system Lc is set to 1
Although a lens composed of a plurality of convex lenses is used, if the optical system Lc is composed of a convex lens, a lens composed of a combination of a plurality of lenses may be used. Of course.

The light source PS housed in the transfer body Fyb is
For example, it is a point light source configured by condensing light emitted from an incandescent lamp, a discharge lamp, or any other light emitting source with a condenser lens and installing a pinhole at the condensing point. The divergent light flux radiated from PS is focused by the convex lens forming the optical system Lc to form an image of the point light source PS at the condensing point PSI.

The condensing point PSI where the light beam diverging from the point light source PS is focused by the optical system Lc is a new light source PSI.
As the (new point light source PSI), the divergent light flux from it illuminates the fly-eye lens plate FEL.

The condensing point PSI made as the new point light source PSI is
As described above, the transfer body Fy is configured to emit light at a position corresponding to the shape of the three-dimensional image to be recorded.
The displacement is driven by the drive device DRA via b, and the entire device shown in FIG. 33 is used while being housed in a dark box.

The transfer device Fyb is driven by the drive device DRA so as to be displaced and driven to any position within a predetermined range in the three-dimensional space in front of the fly-eye lens plate FEL.
By the same drive unit DRA as in the XYZ plotter already described with reference to FIG.
The displacement can be driven in the same driving manner as in the YZ plotter.

Therefore, the drive unit DRA of the point light source in the XYZ plotter shown in FIG. 33 is supplied with the respective stepping motors Mx, Myb, Mz in each of the transport bodies Fx, Fyb, Fz in the X, Y, Z axis directions from the computer. By being rotationally driven in accordance with the drive signal, the transporting bodies Fyb in the Y-axis direction have their respective lowermost ends Fybe at the positions immediately before contact with the surface of the fly-eye lens plate FEL.
A movable range in the up-down direction in which the transfer body Fz in the Z-axis direction reaches the upper end of the rail member Rz is the upper end, and each transfer body Fx, Fyb is front, rear, left and right along the rail members Rx, Ry. The fly's-eye lens plate FE
It can be displaced and driven to any position in the three-dimensional space in front of L.

In the configuration example device shown in FIG. 33, the Y-direction transfer body Fyb is a fly's eye lens plate FEL as shown in FIG. 34.
When the condensing point PSI, which is the new point light source, is located above the fly's eye lens plate FEL, the condensing point PSI described above The light diverging from the light is focused on each individual lens of the fly-eye lens plate FEL and is placed on the photosensitive recording member PSM installed on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL. Condensing point (point light source) for each individual lens (single lens) in the compound eye lens plate FEL
An image of PSI is formed and recorded.

In the apparatus of the embodiment shown in FIG. 33, the Y-direction transfer body Fyb is located at a lower position in the space in front of the fly-eye lens plate FEL as shown in FIG. When the condensing point PSI is below the position of the fly's eye lens plate FEL, that is, the condensing point PSI formed by the converging action of the light flux by the optical system Lc is larger than the position of the fly. Eye lens plate FE
If L is installed near the optical system Lc, and if the fly-eye lens plate FEL is not present, the third
A light beam in a state of being focused on a virtual condensing point PSI 'occurring at the position of PSI' in the space shown in FIG. 5 (the same direction as the light beam diverging from the above-mentioned virtual condensing point PSI '). Light flux) is focused for each individual lens in the fly-eye lens plate FEL and is placed on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL.
The SM is recorded for each individual lens (single eye lens) in the compound eye lens plate FEL described above.

That is, the condensing point PSI shown in FIG. 34 recorded on the photosensitive recording member PSM installed on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL in the recording mode as described above.
If the photosensitive recording member PSM is a positive type, the light intensity and position information of the (point light source) or the light intensity and position information of the virtual condensing point PSI ′ shown in FIG. By doing so, the condensing point PSI (point light source) shown in FIG.
Recorded in such a manner that only the light intensity and position information of the above, or the light intensity and position information of the virtual condensing point PSI ′ shown in FIG. 35 becomes transparent and the other parts become black. Recorded photosensitive recording member PSMp, that is, the recorded photosensitive recording member PSM developed so that only the image portion of the point light source becomes transparent and the other portion becomes black.
p.

FIG. 36 shows that the transfer body Fyb in the Y direction is located at a lower position in the space in front of the fly's eye lens plate FEL as described above, and the condensing point PSI as the new point light source is the fly's eye. The fly's-eye lens in a position below the lens plate FEL, that is, in a light flux in a state where the fly-eye lens plate FEL is focused on an imaginary focal point PSI ′ generated in space when the fly-eye lens plate FEL does not exist. The light flux for each individual lens forming the plate FEL is focused for each individual lens, and the photosensitivity is set on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL described above. FIG. 36 illustrates a state in which an image is recorded on the recording member PSM for each individual lens forming the fly-eye lens plate FEL. In the light flux that is focused on the light spot PSI ' The light beam for each individual ommatidium lenses constituting the eye lens plate FEL of flies is focused on each individual ommatidium lens, eye lens plate of the above-described fly (compound lens plate) F
The direction of the light flux imaged and recorded on the photosensitive recording member installed on the focal plane of EL, and the virtual converging point PS in FIG.
The light flux diverging from I'is focused on each individual lens in the fly-eye lens plate FEL and is placed on the photosensitive recording member PSM installed on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL. It can be seen that the direction of the light flux when the image is recorded for each individual lens (single-eye lens) in the compound eye lens plate FEL is the same.

In FIG. 36, the light flux incident on each individual lens forming the fly's-eye lens plate FEL is not a perfect parallel light, but is focused on a virtual focusing point PSI ′ in the figure. Since the light flux is a light flux, the position of the light condensing point when the light flux incident on each individual eye lens is focused for each individual eye lens is as shown in FIG. 36. Eye lens plate (compound eye lens plate) is shifted to the front side of the position of the photosensitive recording member installed on the focal plane of the FEL, and as a result, as shown in FIG. At the position of the photosensitive recording member installed on the focal plane of the lens plate (compound eye lens plate) FEL, an image of a light spot with a slightly blurred large diameter is recorded.
This brings the following advantages during reproduction.

That is, as described with reference to FIG. 36, an image of a slightly blurred large-diameter light spot is recorded on the photosensitive recording member PSM installed on the focal plane of the fly-eye lens plate (compound eye lens plate) FEL. When reproduction is performed by irradiating diffused light (not shown in FIG. 37) from the back side of the recorded photosensitive recording member PSMp obtained by developing the photosensitive recording member in the state of Eye lens plate (compound eye lens plate) FEL is slightly blurred to the observer who is looking at the fly eye lens plate (compound eye lens plate) FEL with both eyes positioned in the space in front of it. Since the light flux as shown in FIG. 37, which shows a slight divergence after passing through the recorded image on the recorded photosensitive recording member PSMp in the state where the image of the light spot having the large diameter is recorded, is given to the observer. Trace the opposite of the overall luminous flux, which shows a slight spread When the reproduced image is perceived, it is perceived that the reproduced image exists at a position deeper than the position of the fly's eye lens plate (compound eye lens plate) FEL, that is, the reproduced image exists at PSIp in FIG. Besides being able to
As described above, the observer at the time of reproduction is given to an observer who is provided with a light flux showing a little divergence which has passed through the recorded image on the recorded photosensitive recording member PSMp in the state where the image of the light spot with a slightly blurred large diameter is recorded. The light spot of the reproduced image does not disappear due to the displacement of the eyes of the person.

Both the above-mentioned recorded photosensitive recording member PSMp and the fly-eye lens plate FEL having the same configuration as the fly-eye lens plate FEL used at the time of recording have a relative positional relationship between them. When the recorded photosensitive recording member PSMp is irradiated with diffused light from the side opposite to the fly's eye lens plate FEL, the light passing through the recorded photosensitive recording member PSMp is combined. Is a fly-eye lens plate F
By collecting light for each individual lens in the EL, an observer at a position distant therefrom perceives that a point of light exists at the light collecting position.

Then, as the above-mentioned recorded photosensitive recording member PSMp,
Assuming that the image of the point light source at each of a large number of three-dimensionally displaced positions is recorded in the three-dimensional space, the image at each position of the point light source recorded on the recorded photosensitive recording member PSMp is a fly. Condensed for each individual lens in the eye lens plate FEL of the eye, the real image is formed at the original position of the point light source in the three-dimensional space in which the fly's eye lens plate FEL exists. When seen by a person who is away from the position, the whole line of light or light spot appearing at the position of the real image in the three-dimensional space can be perceived as a three-dimensional image by light.

As described above, the image area in the XYZ plotter configured as shown in FIG. 33 is, as shown in FIG. 38 (b), a point light source for irradiating a fly eye lens plate FEL with divergent light. The optical system Lc used to form the optical system Lc is in a position just before contacting the fly's eye lens plate FEL. In order to spread to the position'd, only the image area of the pyramid-shaped portion in the space in front of the fly's eye lens plate FEL is provided.
The image area in the XYZ plotter having the structure shown in FIG. 15A, which is shown in FIG.
It can be enlarged to double the image area. In addition, PSI in the figure
u indicates the uppermost position of the converging point of the light flux by the optical system Lc.

FIG. 39 shows an optical system Lc used for forming a point light source for irradiating the fly eye lens plate FEL with divergent light at the innermost portion of the three-dimensional image to be recorded and reproduced.
As shown in FIG. 38 (b), the focal point of the luminous flux by the optical system Lc in a state in which it is in the position just before coming into contact with the fly's eye lens plate FEL (point light source by a virtual focal point) Position of PSI 'and fly eye lens plate FEL distance α
In the case as shown in FIG. 39 (a) as shown in FIG. 9 (a) where the distance β is in a relation of β <α compared to , An optical system Lc used for forming a point light source for irradiating divergent light on the fly-eye lens plate FEL, which has a focal length of β and a caliber of the fly-eye lens plate FEL. Can be smaller than the size of {see (b) in FIG. 39}
This is illustrated and explained.

In order to prevent spurious images or ghost images from being generated in the reproduced image of the three-dimensional image recorded by the XYZ plotter having the configuration shown in FIG. 33, the fly-eye lens plate FEL is used.
Since the divergence direction of the divergent light emitted from the point light source PSI that can be displaced and driven by the three-dimensional displacement driving means at any predetermined position in the existing three-dimensional space is limited. Yes, the fly-eye lens plate F described above
As in the case of the XYZ plotter having the configuration shown in the fifteenth configuration described above, the emission angle of the divergent light flux for illuminating the EL is limited to the fly-eye lens plate FEL configured by an array set of a large number of individual lenses. The photosensitive recording member PSM to be installed on the focal plane of the fly eye lens plate FEL, the individual lens in the fly eye lens plate FEL individually occupies the plane of the existence region of the individual lens in the fly eye lens plate FEL. One-to-one with the existence area of each individual lens described above in the same plane shape dimension as the shape dimension
When the individual areas corresponding to the individual areas are set, the individual areas set in the photosensitive recording member PSM as described above are passed through the individual lenses other than the individual lenses corresponding to the individual areas. This is done to limit the divergence direction of the light from the point light source PSI so that the light is not incident, and the limitation is the aperture of the optical system Lc housed in the transport body Fyb. By limiting the angle of emission of the divergent light flux that illuminates the fly's eye lens plate FEL, FIG. 34 and FIG.
It is also possible to limit the emission angle of the divergent light flux emitted from the optical system Lc by setting the shape dimension of the lower end portion Fybe of the transfer body Fyb in the Y direction shown in FIG. .

Both the above-mentioned recorded photosensitive recording member PSMp and the fly-eye lens plate FEL having the same configuration as the fly-eye lens plate FEL used at the time of recording are recorded in the relative positional relationship between them. Combined in the same way as time,
When the recorded light-sensitive recording member PSMp is irradiated with diffused light from the side opposite to the fly-eye lens plate FEL, the light transmitted through the recorded light-sensitive recording member PSMp becomes an individual light on the fly-eye lens plate FEL. By condensing each eye lens, an observer at a distant position perceives that a point of light exists at the condensing position, but spurious images or It is possible to observe a reconstructed image without a ghost image.

In addition, as the recorded photosensitive recording member PSMp, 3
If an image of a point light source is recorded at each of a number of three-dimensionally displaced positions in the three-dimensional space, the image at each position of the point light source recorded on the recorded photosensitive recording member PSMp is a fly's-eye image. Since each individual lens in the eye lens plate FEL is focused and a real image is formed at the position of the original point light source in the three-dimensional space in which the fly's eye lens plate FEL exists, the real image When viewed by a person who is away from the position, the above-mentioned real image in the above-mentioned three-dimensional space can be perceived as a three-dimensional image by light as a whole of the lines of light or the points of light appearing at the position.

Next, FIG. 23 is the above-mentioned FIG. 15, FIG. 20 and FIG.
Instead of the fly-eye lens plate in the XYZ plotter described with reference to FIG. 3, a cylindrical / convex lens array plate (lenticular plate) corresponding to a fly-eye lens plate transformed into a two-dimensional shape is used. 2 shows an XYZ plotter configured by using a lens plate) CLA having a configuration commonly referred to as above. The photosensitive recording member PSM is formed on the focal plane of the cylindrical / convex lens / array plate CLA.
And are installed.

The cylindrical / convex lens / array plate CLA is
This is a configuration mode in which a large number of cylindrical / convex lenses are arranged on a plane such that their cylindrical axes are parallel to each other, and the lens pitch thereof is usually 0.1 mm to 0.5 mm. It is made to a degree and is made to have a thickness such that the focal plane matches the back surface.

The configurations and the like of the photosensitive recording member PSM and the drive device DRA described above are the same as in the case of the XYZ plotter described above.

The cylindrical lens / convex lens
The surface of the photosensitive recording member PSM installed on the focal plane of the array plate CLA is XY in the XYZ orthogonal coordinate system.
It is provided so as to coincide with the plane and the direction of the cylindrical axis of the cylindrical / convex lens is parallel to the Y axis in the XYZ orthogonal coordinate system. The stanchions 1 and 2 are planted on the machine base MB, and the guide rod 3 is arranged above the stanchions 1 and 2 in parallel with the X axis in the XYZ rectangular coordinate system and in the XYZ rectangular coordinate system. Distance D from the cylindrical / convex lens / array plate CLA in the Z-axis direction at
It is provided only at a distance.

In the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, the position of a selected one point of the three-dimensional image to be recorded is used as the center SP of divergence, and the cylindrical / convex lens described above is used.・ Array board CL
Assuming a plane parallel to the focal plane of A, as a direction orthogonal to the extending direction of the cylindrical axis (Y axis in the example shown in FIG. 23) in the cylindrical / convex lens array plate described above with respect to the assumed plane. A light source SL that emits a fan-shaped light beam PL that diverges only in a defined direction (X axis in the example shown in FIG. 23) is provided, and is shown in FIG. The entire XYZ plotter is stored in a dark box before use.

In the XYZ plotter shown in FIG. 23, the laser light emitted from the laser light source 4 is transferred to the X-axis by the cylindrical lens 5.
By focusing and diverging only in the axial direction, the light source SL is assumed to be present in the space where the center SP of divergence of the fan-shaped light beam PL is located.

The above-mentioned light source SL, which should be configured so as to be capable of being displaced and driven to any position within a predetermined range in the three-dimensional space on the front surface of the cylindrical / convex lens / array plate CLA, is shown in FIG. In the configuration example of the XYZ plotter, the displacement is driven by the drive device DRA provided in the machine base MB, and the laser light emitted from the laser light source 4 in the configuration example shown in FIG. The position of the center SP of divergence in the fan-shaped light beam PL formed by converging only in the X-axis direction and then diverging only in the X-axis direction, that is, in the fan-shape only in the X-axis direction. The light source SL of the light beam PL diverging to the
Cylindrical, convex lens, array plate CLA front 3
The displacement can be driven to any position within a predetermined range in the dimensional space.

The support member 7 of the laser light source 4 is rotatably connected to the pin 6 implanted in the Y-axis direction transfer body Fy, and the length provided in the support member 7 is pierced. Hole 8
The guide rod 3 is loosely fitted to the drive unit DRA of the light source SL in the XYZ plotter, and
The stepping motors Mx, My, Mz in the transfer bodies Fx, Fy, Fz in the Y and Z axis directions are rotationally driven in accordance with drive signals supplied from the computer, so that the transfer bodies Fy in the Y axis direction are moved. The above-mentioned light source SL located on the extension of the center line of the rotary shaft 6 that is implanted is displaced to any position within a predetermined range in the three-dimensional space in front of the cylindrical lens, the convex lens, and the array plate CLA. It can be driven, and by controlling the lighting state of the light source SL by a computer, as a recording target within a predetermined range in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA. The shape of the three-dimensional image to be recorded is displayed as a continuous linear light trajectory, or the three-dimensional image to be recorded. Shape or is adapted to be displayed by the array of light spots.

By the way, as described above, the cylindrical / convex lens / array plate CLA does not have a lens function in the cylindrical axis direction of the cylindrical / convex lens (the direction of the Y-axis in each figure). Plate CL
Even if A is used, the parallax information in the cylindrical axis direction of the cylindrical convex lens (the direction of the Y axis in each figure) cannot be recorded in the photosensitive recording member PSM.
In the XYZ plotter shown in FIG. 3, a three-dimensional image drawn by the displacement of the light source SL in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA is placed on the focal plane of the cylindrical / convex lens / array plate CLA. A cylindrical / convex lens having no lens function in the cylindrical / convex lens / array plate CLA arranged so as to have a focal plane in the XY plane in order to enable recording as a three-dimensional image on the recording member PSM. Using a light source SL which does not show a spread in the cylindrical axis direction (Y-axis direction in each figure) and which emits a light flux having a cross-sectional shape that spreads in a fan shape only in the X-axis direction, In the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, according to the three-dimensional image to be recorded. Serial with each other to a configuration for displacing the light source SL.

Therefore, when the light source SL is turned on in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, the light emitted from the light source SL emits the cylindrical / convex lens / lens as illustrated in FIG. On the photosensitive recording member PSM provided on the focal plane of the array plate CLA, an image of the light source SL is formed and recorded for each cylindrical / convex lens and each cylindrical / convex lens of the array plate CLA.

FIG. 24 shows a cylindrical / convex lens / array plate CLA.
X in the YZ plane in the three-dimensional space in front of
When the light source SL that emits the light beam PL diverging in a fan shape only in the axial direction is driven and displaced by the driving device DRA so as to draw the squares a, b, c, and d, the focus of the cylindrical convex lens array plate CLA. How the image forming position of the image of the light source SL in the photosensitive recording member PSM arranged so as to be located on the surface is in the Y-axis direction (direction of cylindrical axis of cylindrical lens / convex lens ... lateral direction in FIG. 24). It is a figure showing whether it changes.

In FIG. 24, ai in the photosensitive recording member PSM arranged so as to be located at the focal plane of the cylindrical convex lens array plate CLA is cylindrical.
FIG. 24 shows an image forming portion of an image of the light source SL when the light source SL is located at the position a in the three-dimensional space on the front surface of the convex lens array plate CLA, and in FIG.
Bi in the photosensitive recording member PSM arranged so as to be located on the focal plane of the cylindrical / convex lens / array plate CLA is the cylindrical / convex lens / array plate CL.
FIG. 3 shows an image forming portion of an image of the light source SL when the light source SL is located at a position b in the three-dimensional space on the front surface of A. Further, the lighting position of the light source SL is the cylindrical / convex lens / array plate CLA. When it moves to the positions of c and d in FIG. 24 in the front three-dimensional space, the light source S
The image of L is formed at the positions indicated by ci and di in FIG. 24 on the photosensitive recording member PSM provided on the focal plane of the cylindrical convex lens array plate CLA.

FIG. 24 shows the YZ plane and the paper plane so that they coincide with each other. The direction of the cylindrical axis of the cylindrical / convex lens / array plate CLA (the direction of the Y axis) is shown in the lateral direction of the figure. On the other hand, in the YZ plane in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, the drive unit DRA causes the drive unit DRA to emit light beams PL that diverge in a fan shape only in the X-axis direction. , C, d
Light source SL that is imaged on the photosensitive recording member PSM arranged so as to be positioned on the focal plane of the cylindrical / convex lens / array plate CLA when driven and displaced to draw
The image forming position of the image is ai, bi, ci, d in FIG.
Like i, they are arranged in the direction of the cylindrical axis of the cylindrical / convex lens.

Further, since the many cylindrical / convex lenses forming the cylindrical / convex lens / array plate CLA are aligned in the direction of the X axis, that is, in the direction perpendicular to the paper surface in FIG. 24. , A light source SL that emits a light beam PL diverging in a fan shape only in the X-axis direction is a cylindrical / convex lens / array plate CL.
When the drive device DRA is driven and displaced so as to draw squares a, b, c, and d in the YZ plane in the three-dimensional space in front of A, the points a, b, c, and d described above.
The image of the light source SL at the position is imaged on the photosensitive recording member PSM for each of the plurality of cylindrical convex lenses aligned in the X-axis direction, and the photosensitive recording member P is imaged.
Recorded in SM.

By the way, as described above, the luminous flux emitted from the light source SL is the luminous flux PL diverging in a fan shape only in the X-axis direction,
The thickness of the light flux in the direction of the cylindrical axis of the cylindrical / convex lens (the direction of the Y-axis) is the lens width of each cylindrical / convex lens in the cylindrical / convex lens / array plate CLA at least at the portion incident on the cylindrical / convex lens / array plate CLA. It is designed to be small enough to be of a certain degree, so as described above, X
The image of the light source SL formed on the photosensitive recording member PSM for each of the plurality of cylindrical convex lenses arranged in the axial direction is the above-mentioned cylindrical convex lens.
Cylindrical / convex lens described above with respect to a plane parallel to the focal plane of the array plate CLA in the three-dimensional space in front of the array plate CLA
The linear visual field (position of the guide rod 3) set in the direction (X-axis direction) orthogonal to the extending direction of the cylindrical axis (Y-axis direction) in the array plate CLA and the cylindrical
A plane formed by each point of the three-dimensional image to be recorded in the three-dimensional space on the front surface of the convex lens / array plate CLA is formed so as to intersect with the surface of the cylindrical / convex lens / array plate CLA. Corresponding to the substantially straight line, the linear / convex lens / array plate is recorded on the linear region formed on the photosensitive recording member PSM provided substantially on the focal plane of the array plate. The recording position in the Y-axis direction of the part is the Y of the light source SL.
The position information in the axial direction is shown.

Therefore, the XY shown in FIG. 23 configured as described above
Cylindrical, convex lens, array plate C for Z plotter
Even if LA is used, in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, the fan-like divergence occurs only in the X-axis direction as described above, and the thickness in the Y-axis direction is sufficiently small. By driving and displacing the light source SL radiated by the light beam PL that can be incident on the cylindrical convex lens array plate CLA in accordance with the shape of the three-dimensional image to be recorded, the cylindrical convex lens array plate is omitted. Each of the three-dimensional images targeted for recording can be recorded on the photosensitive recording member PSM provided on the focal plane.

In this way, the above-mentioned cylindrical / convex lens /
The photosensitive recording member PSM installed on the focal plane of the array plate CLA has a three-dimensional space in front of the cylindrical / convex lens / array plate CLA for each cylindrical / convex lens / cylindrical / convex lens of the array plate CLA. An image of the light source SL is formed and recorded at a position corresponding to each lighting position of each light source SL in the inside of the inside of the inside, so that the photosensitive recording member PSM has a front surface of the cylindrical / convex lens / array plate CLA. 3 of the light source SL for each position displaced three-dimensionally in the three-dimensional space of
The dimensional position information is recorded.

Proposed XYZ shown in the configuration example shown in FIG.
In the plotter, the support member 7 of the laser light source 4 is rotatably connected to the pin 6 implanted in the transfer body Fy in the Y-axis direction, and the long hole 8 formed in the support member 7 is connected to the support member 7. The guide rod 3 is loosely fitted to the light source S in the XYZ plotter.
Each of the stepping motors Mx, My, Mz of each of the transfer bodies Fx, Fy, Fz in the X, Y, Z axis directions of the driving device DRA of L is rotationally driven according to the drive signal supplied from the computer. The light source SL located on the extension of the center line of the rotary shaft 6 implanted in the transfer body Fy in the Y-axis direction is predetermined in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA. When driving the displacement within a predetermined range, the position of the guide rod 3 corresponding to the linear visual field in which both eyes should be placed at the time of reproduction by the operation of the mechanism configured as described above, and the position at that time The surface including the light source SL is a cylindrical / convex lens /
A fan-shaped light beam PL radiating from the light source SL and diverging only in the X-axis direction so that recording is performed on a portion of the photosensitive recording member PSM corresponding to a substantially linear region intersecting with the surface of the array plate CLA. Is a configuration example in which the spread angle of the XYZ plane and the tilt angle between the XY plane and the XY plane are mechanically changed. The proposed XYZ plotter is the same as in the configuration example shown in FIG. A mechanism for mechanically changing the spread angle of the fan-shaped light beam PL diverging only in the X-axis direction emitted from SL and the inclination angle with the XY plane is not used, and Y
A fan that diverges only in the X-axis direction and is parallel to the X-Z plane from a light source SL that is located on an extension of the center line of the rotary shaft 6 that is planted in the transport body Fy in the axial direction. The shaped light beam PL (the thickness of the light beam in the Y-axis direction is made small as in the case of the configuration example shown in FIG. 23) is radiated, and the light source SL is a cylindrical / convex lens / array plate CLA. The position of the guide rod 3 corresponding to the linear visual field in which both eyes should be placed during reproduction when displaced within a predetermined range in the three-dimensional space in front of
The surface including the light source SL at that time is set so that recording is performed in the portion of the photosensitive recording member PSM corresponding to a substantially straight line area intersecting with the surface of the cylindrical / convex lens / array plate CLA. For axial position information (1)
The laser light source 4 can also be configured as an XYZ plotter having another configuration mode in which the correction of the relationship described later as an equation is performed, and the laser light source 4 shown by an imaginary line in FIG. , The cylindrical lens 5 and the like represent the case of the configuration example shown in FIG.
Further, in FIG. 28, the laser light source 4, the cylindrical lens 5 and the like indicated by the solid line correspond to the case of the above-mentioned another configuration mode.

That is, in FIG. 26 having the same contents as FIG. 24 used to show the recording operation of the XYZ plotter of the configuration example shown in FIG. 23, VP is placed at the position of the guide rod 3 in FIG. This viewpoint VP is a distance of height D from the surface of the cylindrical / convex lens / array plate CLA, and the point P in FIG. 26 is the position of the light source SL. The height from the surface of the cylindrical / convex lens / array plate CLA is d, and the distance in the height direction from the viewpoint VP is (D-d). Further, the above-mentioned point P is the same as the viewpoint VP. When the distance in the Y-axis direction between the position i where the image of the light source existing at the point P is to be formed and the viewpoint VP is L, the distance in the Y-axis direction is Y-axis direction from the viewpoint VP to the position i where the image is formed and recorded The distance L at is expressed by the following equation (1) D / L = (D−d) / l, L = (D · l) / (D−d) ... (1) from the relationship of similarity of triangles. From the light source SL located on the extension of the center line of the rotary shaft 6 implanted in the transfer body Fy in the Y-axis direction in the XYZ plotter, the light source SL diverges only in the X-axis direction and X- A fan-shaped light beam P parallel to the Z plane
When L is radiated and the light source SL is displaced within a predetermined range in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, a linear vision that should be placed by both eyes during reproduction. Guide rod 3 corresponding to the area
And the surface including the light source SL at that time corresponds to a substantially linear region where the surface of the cylindrical / convex lens / array plate CLA intersects, and recording is performed in the portion of the photosensitive recording member PSM. As described above, the information in the Y-axis direction is corrected by the relationship as shown in the equation (1) so that the recording is performed.

As is clear from FIGS. 28 to 30, in the XYZ plotter having the two different configuration modes described above, in order to record and reproduce the same three-dimensional image, the position information in the X-axis direction and the Z-axis direction are required. It is the same as the position information in the direction, and it is necessary to correct the position information in the Y-axis direction as shown in the equation (1).

By controlling the lighting state of the light source SL by the computer, the shape of the three-dimensional image to be recorded within a predetermined range in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA. Is displayed as a continuous linear light path, or the shape of a three-dimensional image to be recorded is displayed as an array of light spots.

An image of a point light source in the three-dimensional space in front of the cylindrical convex lens array plate CLA recorded on the photosensitive recording member PSM installed on the focal plane of the cylindrical convex lens array plate CLA in the recording mode as described above. If the photosensitive recording member PSM is a positive type, it is developed in such a manner that only the point light source portion becomes transparent and the other portions become black by developing it.

FIG. 25 shows a cylindrical / convex lens / array plate CL.
The recorded photosensitive recording member P in which the position information of the light source SL located in the three-dimensional space in front of A is recorded as described above.
FIG. 25 is a diagram for explaining that the reproduced image of the original light source SL can be made to appear in the space in front of the cylindrical / convex lens / array plate CLA by irradiating SMp with diffused light. Among them, PSMp is a recorded photosensitive recording member PSMp which has been developed in such a manner that only the image part of the point light source becomes transparent and the other part becomes black.

Both the above-mentioned recorded photosensitive recording member PSMp and the cylindrical / convex lens / array plate CLA having the same configuration as the cylindrical / convex lens / array plate CLA used at the time of recording have a relative positional relationship between them. When the recorded photosensitive recording member PSMp is irradiated with the diffused light from the light source DSP from the side opposite to the cylindrical / convex lens / array plate CLA in combination so as to have the same mode as the recording, the recorded photosensitive recording member PSMp is recorded. The light transmitted through
The individual cylindrical / convex lenses in the cylindrical / convex lens / array plate CLA condense light only in the direction of the X-axis, and as shown in FIG.
A linear real image that includes aip, bip, cip, and dip in the dimensional space and is parallel to the Y axis is formed.

When the left eye El and the right eye Er of the observer are placed as the viewing zone during reproduction as shown in FIG. 27, the direction of the X axis is shown in FIG. 31 (a). As shown in FIG. 31, the point of light is perceived at the position of the real image condensed by each cylindrical / convex lens on the cylindrical / convex lens / array plate CLA, and there is no action of the cylindrical / convex lens in the Y-axis direction. As shown in (b), it is perceived that a light point exists in the direction of the straight line connecting the recording position on the recorded photosensitive recording member PSMp and the observer's eye.

Therefore, if the observer's eyes El and Er are in the linear viewing area assumed at the time of recording, as shown in (a) of FIG. 32 (same as FIG. 25), as recorded, The observer perceives a three-dimensional image without distortion. However, when the observer sees from a region other than the linear visual field assumed at the time of recording, as shown in FIG. 32 (b), the original image of the recorded square is air ', The observer perceives the image as distorted as indicated by bip ', cip', dip '. This point is different from that when a three-dimensional image is recorded and reproduced using the cylindrical lens, the convex lens, and the array plate CLA. This is a difference from recording and reproducing a three-dimensional image using the fly-eye lens plate.

Then, as the recorded photosensitive recording member PSMp,
If an image of the light source SL is recorded at each of a number of three-dimensionally displaced positions in the three-dimensional space, the image at each position of the light source SL recorded on the recorded photosensitive recording member PSMp is cylindrical. -Convex lens-Individual cylindrical in the array plate CLA-Condensed in the X direction only by the convex lens, and the Y-axis including the position of the original point light source in the three-dimensional space in front of the cylindrical-convex lens-array plate CLA (Cylindrical・ Since the linear real images parallel to the (extending direction of the cylindrical axis of the convex lens) are connected to each other, the real images aip, bip, and cip are defined by setting the position of the guide rod 3 in FIG. , Dip, the entire line or spot of light appearing at the position of the real image in the three-dimensional space can be perceived as a three-dimensional image by light. .

As is clear from the description made with reference to FIGS. 24 to 27 and FIGS. 31 and 32, the XYZ plotter shown in FIG. 23 has a line formed by light when the light source SL is turned on in the three-dimensional space. A photosensitive recording member PS in which a three-dimensional image formed by drawing or dot drawing by light is installed on the focal plane of the cylindrical / convex lens / array plate CLA.
Since the image is recorded on M, a three-dimensional image of a color image can be made to appear by selectively using the light source and the photosensitive recording member described above.

In addition, a light-reflective pre-recorded photosensitive recording member (for example, photographic paper) is used as the pre-recorded photosensitive recording member, instead of a light-transmissive recording member. Even when illuminated, a three-dimensional image by light drawn as line drawing by light or dot drawing by light can appear in the three-dimensional space in front of the cylindrical lens, the convex lens, and the array plate.

The photosensitive recording member PSM to be arranged so that the above-mentioned cylindrical / convex lens / array plate CLA is located at the focal plane may have a configuration in which it is integrated with the cylindrical / convex lens / array plate CLA, or , The photosensitive recording member PS to be arranged so as to be located on the focal plane of the cylindrical / convex lens / array plate CLA
The M and the cylindrical / convex lens / array plate CLA may be configured separately.

When the photosensitive recording member PSM to be arranged so as to be located on the focal plane of the cylindrical convex lens array plate CLA is configured separately from the cylindrical convex lens array plate CLA, The recorded photosensitive recording member PSMp and the cylindrical convex lens array plate CLA having the same configuration as the cylindrical convex lens array plate CLA used at the time of recording.
It is needless to say that they should be combined and used for reproduction so that the relative positional relationship between the two is the same as that at the time of recording.

In the XYZ plotter shown in FIG. 23, which has been described so far,
Cylindrical, convex lens, array plate 3 in front of CLA
The image of the light source SL in the three-dimensional space is placed on the focal plane of the cylindrical / convex lens / array plate CLA for each of the cylindrical / convex lenses in the cylindrical / convex lens / array plate CLA described above.
By forming an image on M, the photosensitive recording member PSM installed on the focal plane of the cylindrical / convex lens / array plate CLA has the following features in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA. Since the position information of the light source SL for each position is recorded, the position of the light source SL for each position in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA is recorded as described above. When the diffused light is applied to the functional recording member PSMp, the cylindrical / convex lens / array plate C
The reproduced image of the light source SL can be recognized by the observer M in the three-dimensional space in front of the LA, but the XYZ plotter described so far reproduces the three-dimensional image recorded by the plotter. At times, the range in which the original three-dimensional image targeted for recording can be viewed correctly (hereinafter referred to as the viewing zone) is narrow, and the area outside the viewing zone is the original three-dimensional image targeted for recording. In addition to the three-dimensional image, a false three-dimensional image (ghost image, spurious image) that did not originally exist may be recognized at the time of recording.

That is, the cylindrical / convex lens / array plate CLA is manufactured by the XYZ plotter having the configuration shown in FIG.
The image of one light source SL in the three-dimensional space in front of is recorded on the photosensitive recording member PSM installed at the position of the focal plane of the cylindrical / convex lens array plate CLA, and the photosensitive recording member PSM is developed. To the recorded photosensitive recording member PSMp obtained from the above, the recorded photosensitive recording member PSMp from the side opposite to the cylindrical / convex lens / array plate CLA.
When diffused light is radiated on the surface, the recorded photosensitive recording member PSMp
The light that has passed through is condensed by each individual cylindrical lens / convex lens in the cylindrical / convex lens / array plate CLA, and as shown in FIG. Since the real images are respectively formed on the aip, bip, cip, and dip in the space, the real images aip, bip, cip, dip are viewed with the position of the guide rod 3 in FIG. The relationship between the left eye El and the right eye Er of the observer and the arrangement mode of the cylindrical / convex lens / array plate CLA when the three-dimensional image is perceived from the front of the recorded photosensitive recording member PSMp) is shown. As described above, the point of light is perceived as existing at the position of the real image, but in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, Was aip, bip, cip, is the addition to the spurious image or a ghost image also show the position of the dip occurs.

Therefore, the light from one light source SL in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA is imaged by each individual cylindrical / convex lens in the cylindrical / convex lens / array plate CLA, respectively. Recording on the photosensitive recording member PSM installed at the focal plane position of the array plate CLA, but when reproducing the recorded content on the recorded photosensitive recording member PSMp obtained by developing the photosensitive recording member PSM. When the recorded photosensitive recording member PSMp is irradiated with diffused light, the recorded photosensitive recording member PSMp is recorded as described above.
Light passing through a large number of image portions recorded on the basis of one light source SL in p is in the space in front of the cylindrical / convex lens / array plate CLA by each of the individual cylindrical / convex lenses in the cylindrical / convex lens / array plate CLA. Real images are attached to many positions. It is because light from one light source SL, which is a recording target in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, is changed by each cylindrical / convex lens in the cylindrical / convex lens / array plate CLA.
The path of the light ray traced when the image is recorded on the photosensitive recording member PSM installed at the position of the focal plane of the cylindrical / convex lens / array plate CLA, the recorded photosensitive recording member PS is recorded.
In addition to the true reconstructed image generated in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA by the diffused light irradiating the Mp in the opposite direction, a ray for producing the above-mentioned true reconstructed image. For each cylindrical / convex lens that has passed, the real image generated by the light that has passed through each cylindrical / convex lens on the right side, and for each cylindrical / convex lens where the ray that causes the above-mentioned true reconstructed image has passed On the other hand, the real image generated by the light that has passed through each of the cylindrical / convex lenses on the left-hand side, and many other real images are the cylindrical / convex lens / array plate CL.
This is because it occurs as a spurious image or a ghost image in the three-dimensional space in front of A.

In the XYZ plotter shown in FIG. 23, which has already been described, the range (viewing area) in which the three-dimensional image of the recording object can be correctly viewed is narrow, and the recording target is recorded from a position outside the viewing area. In addition to the original three-dimensional image that has been deleted, it sometimes becomes a problem that a false three-dimensional image (ghost image, spurious image) that originally did not exist at the time of recording is recognized.

The above-mentioned problem is caused by the cylindrical / convex lens / array plate, the photosensitive recording member placed substantially at the focal plane of the cylindrical / convex lens / array plate, and the three-dimensional space in front of the cylindrical / convex lens / array plate. Assuming that the position of one selected point of the tertiary image to be recorded in is the center of divergence, and the plane parallel to the focal plane of the cylindrical convex lens array plate is assumed. The cylindrical light source that emits a fan-shaped light beam diverging only in a direction defined as a direction orthogonal to the extending direction of the cylindrical axis of the cylindrical convex lens array plate described above, At each selected point in the 3D image to be recorded in the 3D space in front of the convex lens array plate Assuming a means for continuously displacing three-dimensionally and a plane parallel to the focal plane of the cylindrical convex lens array plate in the three-dimensional space in front of the cylindrical convex lens array plate, Regarding the assumed surface, the linear visual field set in the direction defined as the direction orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array plate described above and the front surface of the cylindrical convex lens array plate described above. The plane formed by the selected one point of the three-dimensional image to be recorded in the three-dimensional space corresponds to the substantially straight line formed by intersecting the surface of the cylindrical convex lens array plate described above. Recording is performed on the portion of the linear area formed on the photosensitive recording member installed approximately on the focal plane of the cylindrical / convex lens / array plate described above. Configuration of XYZ as 23 shown comprising a means to ensure that cracking
In the plotter, with respect to the photosensitive recording member to be installed on substantially the focal plane of the cylindrical convex lens array plate, the planar shape dimensions of the individual cylindrical lenses of the cylindrical convex lens array plate described above and When individual areas are set so as to have a one-to-one correspondence with the individual cylindrical convex lenses described above in the same plane shape dimension, the individual areas set in the photosensitive recording member as described above are The cylindrical / convex lens described above is arranged so that the light passing through the cylindrical / convex lens other than the cylindrical / convex lens corresponding to each area does not enter.
It is lit at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space on the front surface of the array plate, and is fan-shaped in the direction orthogonal to the extending direction of the cylindrical axis of the cylindrical lens, the convex lens, and the array plate. It can be solved satisfactorily by providing a means for limiting the divergence range of the light flux diverged into, and as the means for limiting the divergence range of the above-mentioned fan-shaped light flux, for example, the passage of the above-mentioned light flux Means such as providing a mask member having a hole of a predetermined shape in the path or appropriately determining the diameter of the cylindrical lens 5 can be adopted.

In the proposed XYZ plotter having the configuration described with reference to FIGS. 23 to 32, the shape of the three-dimensional image to be recorded in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA. The light is turned on at a position corresponding to, and is set as a recording target formed by the movement locus of the light source that generates a luminous flux that diverges in a fan shape in the direction orthogonal to the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate. Cylindrical / convex lens
Photosensitive recording member P installed on the focal plane of array plate CLA
FIG. 25 shows the recorded photosensitive recording member PSMp in which the position information of the light source for each position in the three-dimensional space on the front surface of the cylindrical / convex lens / array plate CLA is recorded as described above. By irradiating diffused light as shown in the figure, in the reproduced image reproduced in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA, the reproduced image corresponding to the light source targeted for recording is observed. Since there is no overlap between the range that can be recognized by the observer and the range where the false reproduced image can be recognized by the observer, the observer can correctly see the original three-dimensional image that was the target of recording over a wide range. However, in the XYZ plotter shown in FIG. 23, the range in which the three-dimensional image to be recorded can exist is the cylindrical
It is limited to the three-dimensional space in front of the convex lens / array plate CLA, and the cylindrical state is such that the three-dimensional image to be recorded exists even in the space behind the cylindrical / convex lens / array plate CLA. It was not possible to record a three-dimensional image on the convex lens array plate CLA and reproduce it, but it is shown in FIG. 40 as an XYZ plotter having a configuration that can solve the above problems. An XYZ plotter has been proposed. FIG. 41 is a diagram used for explaining the correction of the position information in the Y-axis direction in the XYZ plotter shown in FIG.

In FIG. 40, the same reference numerals as those used in FIG. 23 are used for the same components as those of the XYZ plotter described with reference to FIG. 23. Also in FIG. 40, in the cylindrical / convex lens / array plate CLA, the surface of the photosensitive recording member PSM installed on the focal plane thereof is XY.
The direction of the cylindrical axis of the cylindrical / convex lens is XYZ so that it coincides with the XY plane in the Z orthogonal coordinate system.
It is provided so as to be parallel to the Y axis in the Cartesian coordinate system.

In the XYZ plotter shown in FIG. 40, Fyb is a transfer body that is displaced and driven in the three-dimensional space in front of the above-mentioned cylindrical / convex lens / array plate CLA by the operation of a drive device DRA described later. Fy
A light source SL and an optical system Lc are provided in b.

The optical system Lc provided on the transfer body Fyb is
For example, like a convex lens or a concave mirror, a light beam having a fan-shaped cross section emitted from the light source SL is focused to converge the light at the condensing point P.
After forming SI, a configuration having a function of diverging a light beam from the above-mentioned condensing point PSI is used, and in the configuration example shown in FIG. 40, as the optical system Lc, The one composed of one convex lens is used, but when the optical system Lc is composed of a convex lens, it may be composed of a combination of a plurality of lenses. Of course.

In the configuration example shown in FIG. 40, the light source SL provided on the transporting body Fyb focuses the light emitted from the laser light source 4 by the cylindrical lens 5 (cylindrical lens 5) to generate the cylindrical lens. 5 is a light source configured to emit a divergent light beam having a fan-shaped cross-sectional shape such that it diverges only in the X-axis direction in the XY plane from the focal point converged in 5. The divergent light flux thus formed is focused by the convex lens forming the optical system Lc to form an image of the light source SL at the focal point PSI.

The light source PSI of the light beam PL diverging in a fan shape only in the X-axis direction is the position of the condensing point PSI where the fan-shaped light beam emitted from the light source SL is focused by the optical system Lc. Cylindrical / convex lens / array plate CLA according to the driving displacement of the phase shifter Fyb in the axial direction.
Is designed so that it can be displaced and driven to any position within a predetermined range in a three-dimensional space in which
The condensing point PSI serves as a new light source PSI (new light source PSI), and the divergent light flux from the new light source PSI irradiates the cylindrical / convex lens / array plate CLA. The whole is used while being stored in a dark box.

The phase shifter Fyb in the Y-axis direction described above is provided by the drive unit DRA of the light source SL in the XYZ plotter as described above in X, Y,
The stepping motors Mx, My, Mz in the phase shifters Fx, Fyb, Fz in the Z-axis direction are rotationally driven according to the drive signals supplied from the computer, so that the phase shifter Fyb in the Y-axis direction is changed. In accordance with the driving displacement, the cylindrical / convex lens / array plate CLA can be displaced and driven to any position within a predetermined range in a three-dimensional space, and the light emitting state of the light source PSI can be changed. Controlled by a computer, within a predetermined range in a three-dimensional space in which the cylindrical lens, the convex lens, and the array plate CLA exist, a linear light locus in which a three-dimensional shape to be recorded is continuous Or the shape of the three-dimensional image to be recorded is displayed by the array of light spots. Or adapted to be.

As described above, since the cylindrical / convex lens / array plate CLA does not have a lens function in the cylindrical axis direction of the cylindrical / convex lens (the Y-axis direction in each figure), the cylindrical / convex lens / array plate CLA is used. Is used, the parallax information in the cylindrical axis direction of the cylindrical / convex lens (Y-axis direction in each figure) is the photosensitive recording member PSM.
Can not be recorded in the
In the YZ plotter, a three-dimensional image drawn by the displacement of the light source PSI in the three-dimensional space where the cylindrical / convex lens / array plate CLA is present is a photosensitive recording member arranged on the focal plane of the cylindrical / convex lens / array plate CLA. In order to be able to record as a three-dimensional image on the PSM, a cylindrical lens that is arranged so as to have a focal plane in the XY plane, a convex lens, and a cylindrical lens that does not exhibit a lens function in the array plate CLA.
A light source PSI is used that emits a light beam having a cross-sectional shape that does not spread in the cylindrical axis direction of the convex lens (direction of the Y axis in each figure), but expands in a fan shape only in the direction of the X axis. Then, in the three-dimensional space where the cylindrical / convex lens / array plate CLA exists, the light source PSI is displaced according to the three-dimensional image to be recorded.

Therefore, when the light source PSI emits light in the three-dimensional space in which the cylindrical / convex lens / array plate CLA exists, the light emitted from the light source PSI causes the individual cylindrical / convex lenses of the cylindrical / convex lens / array plate CLA to be described above. Each image is focused and the image of the light source PSI is recorded on the photosensitive recording member PSM provided on the focal plane of the cylindrical / convex lens / array plate CLA.

The drive device DRA is moved in the X-axis direction along the rail member Rx provided so as to extend in the X-axis direction in the XYZ orthogonal coordinate system by the driving rotation of the stepping motor Mx. Body Fx and the above X
Along the rail member Rz, which is fixed to the directional transport body Fx and is provided so as to extend in the Z-axis direction in the XYZ orthogonal coordinate system, is transported in the Z-axis direction by the drive rotation of the stepping motor Mz. Fixed to the Z-axis direction transfer body Fz and the Z-axis direction transfer body Fz.
The above-mentioned transfer body Fyb in the Y-axis direction that is transferred in the Y-axis direction by the driving rotation of the stepping motor My along the rail member Ry provided so as to extend in the Y-axis direction in the orthogonal coordinate system. It is configured.

Therefore, the drive unit DRA of the light source in the XYZ plotter shown in FIG. 40 is supplied with the respective stepping motors Mx, Myb, Mz in each of the transfer bodies Fx, Fyb, Fz in the X, Y, Z axis directions from the computer. By being rotationally driven according to the drive signal, the transfer body Fyb in the Y-axis direction has the lowest end Fybe as the lowest end immediately before contact with the surface of the cylindrical / convex lens / array plate CLA, and in the Z-axis direction. A movable range in the vertical direction in which the transfer body Fz reaches the upper end of the rail member Rz as the upper end, and the transfer bodies Fx and Fyb can move back and forth and left and right along the rail members Rx and Ry. Within the range, the displacement can be driven to any position in the three-dimensional space in front of the cylindrical / convex lens / array plate CLA.

In the XYZ plotter of the configuration example shown in FIG. 40, the above-mentioned Y-direction transfer body Fyb is a cylindrical lens / convex lens /
When the condensing point PSI, which is the above-mentioned new light source, is located above the CLA of the cylindrical / convex lens / array plate at a position separated upward in the space in front of the array plate CLA, The light diverging from the focused point PSI is a cylindrical / convex lens / array plate CLA.
In the photosensitive recording member PSM, which is focused on each cylindrical lens / convex lens and is installed on the focal plane of the cylindrical lens / convex lens array plate CLA, each cylindrical lens / convex lens on the cylindrical lens / convex lens array plate CLA is focused. An image of a light spot (light source) PSI is formed and recorded.

Further, in the XYZ plotter shown in FIG. 40, the Y-direction transfer body Fyb is located at a lower position in the space in front of the cylindrical / convex lens / array plate CLA and serves as the new light source. When PSI is located below the position of the cylindrical / convex lens / array plate CLA, that is, the cylindrical / convex lens / array plate is located below the position of the condensing point PSI formed by the above-described optical system Lc focusing of the light beam. When the CLA is installed closer to the optical system Lc, the virtual condensing that occurs at the position of the condensing point (PSI ′) that occurs in space when the cylindrical / convex lens / array plate CLA does not exist. A light beam in a state of being focused on the point PSI '(a light beam having the same direction as the light beam diverging from the virtual condensing point PSI' described above) For each individual cylindrical-convex lens in cylindrical-convex lens array plate CLA, it is recorded on the photosensitive recording member PSM which is installed at the focal point of the cylindrical-lens array plate CLA.

The XYZ plotter of the configuration example shown in FIG. 40 is the same as the light source S like the already proposed XYZ plotter described with reference to FIG.
The fan-shaped light beam PL radiating from the L and diverging only in the X-axis direction does not employ a mechanism for mechanically changing the inclination angle between the divergence and the XY plane, as shown in FIG. XYZ plotter having a configuration capable of recording / reproducing a three-dimensional image in a recording / reproducing manner similar to that of the XYZ plotter, that is, the same as the XYZ plotter having the configuration described with reference to FIGS. 23 and 26. It is an example in the case of being configured as an XYZ plotter of various configuration modes, that is, the light flux emitted from the light source PSI, that is, diverging only in the X-axis direction and having a fan-shaped cross-section and parallel to the XZ plane. The luminous flux PL has a thickness in the Y-axis direction that is one cylindrical in the cylindrical lens, convex lens array plate CLA,
A light beam that is made smaller than the lens width of the convex lens is diverged from the condensing point PSI of the optical system Lc, and the light source PSI is a three-dimensional structure in which the cylindrical / convex lens array CLA exists. A plane including the linear visual field (the position of the guide rod 3 in FIG. 23) to which both eyes should be placed during reproduction when displaced within a predetermined range in space, and the light source PSI at that time The position information in the Y-axis direction has already been described so that the recording is performed on the portion of the photosensitive recording member PSM corresponding to the area of the line intersecting with the surface of the cylindrical / convex lens array CLA. The three-dimensional image is recorded in a state in which the relationship is corrected according to the equation (4).

That is, in FIG. 41 which is used to show the recording operation of the XYZ plotter of the embodiment shown in FIG. 40, VP is the viewpoint placed at the position of the guide rod 3 in FIG. 23, and this viewpoint VP is the cylindrical. The height D is set from the surface of the convex lens array CLA, and the point P in FIG. 41 is the position of the light source PSI ', and this point P is from the surface of the cylindrical convex lens array CLA. Is -d, and the distance in the height direction from the viewpoint VP is (D
-D), the point P has a distance in the Y-axis direction between the point P and the viewpoint VP, and the position i at which the image of the light source existing at the point P should be formed and the viewpoint VP. Assuming that the distance in the Y-axis direction is L, the distance L in the Y-axis direction from the viewpoint VP to the position i where the image of the light source at the point P is imaged and recorded is as follows from the similarity of triangles. (1) Formula D / L = (D−d) /, L = (D ·) / (D−d) ... (1)

Therefore, in the XYZ plotter shown in FIG. 41, the light source P
From SI (PSI '), a fan-shaped light beam that diverges only in the X-axis direction and is parallel to the XZ plane is radiated, and the light source PSI (PSI') is cylindrical
When displacing within a predetermined range in the three-dimensional space in which the convex lens array CLA is present, a linear visual field (the position of the guide bar 3 in FIG. 23) that both eyes should be placed in during reproduction, Of the light source PSI (PSI ′) at this time corresponds to a substantially linear region intersecting with the surface of the cylindrical / convex lens / array plate CLA.
The information in the Y-axis direction is corrected by the relationship shown in the equation (1) so that the recording is performed in the area of (1), and the recording is performed. Is performed for the position in the Y-axis direction, the 40th
In the XYZ plotter having the configuration shown in the figure and the XYZ plotter having the configuration shown in FIG. 23, the position information in the X-axis direction and the position information in the Z-axis direction are the same, and the position in the Y-axis direction is the same. The information can also be made the same by applying the correction as in the above equation (1).

By controlling the light emission state of the light source PSI (PSI ′) by a computer, within a predetermined range in the three-dimensional space where the cylindrical / convex lens array CLA exists, the three-dimensional object to be recorded is to be recorded. Since the shape of the image is displayed as a continuous linear locus of light, or the shape of a three-dimensional image to be recorded is displayed as an array of light spots. In the recording mode as described above, the cylindrical recording is performed on the photosensitive recording member PSM provided on the focal plane of the cylindrical convex lens array CLA.
As for the image of the light source in the three-dimensional space in which the convex lens array CLA is present, if the photosensitive recording member PSM is a positive type, by developing it, only the image portion of the light source becomes transparent and It is developed so that the portion becomes black.

That is, the condensing point PSI (light source) recorded on the photosensitive recording member PSM installed on the focal plane of the cylindrical / convex lens / array plate CLA in the recording mode as described above.
If the photosensitive recording member PSM is of a positive type, the light intensity and position information of the virtual focus point PSI 'is processed by developing the light focus point PSI ( The recorded photosensitive material developed in such a manner that only the light intensity and position information of the light source) or the light intensity and position information of the virtual condensing point PSI 'becomes transparent and the other parts become black. Recording member PSMp, that is, a recorded photosensitive recording member PSM developed in such a manner that only the image part of the light source becomes transparent and the other part becomes black.
p.

As described above, the lower end portion Fybe of the transfer body Fyb in the Y direction is at the lower position in the space in front of the cylindrical / convex lens / array plate CLA, and the condensing point PSI, which is the new light source, is A position below the convex lens / array plate CLA, that is, a virtual condensing point PSI ′ generated in space when the cylindrical lens / convex lens / array plate CLA does not exist.
The light fluxes of the individual cylindrical lenses / convex lenses forming the cylindrical / convex lens / array plate CLA in the light flux in the state of being focused on On the photosensitive recording member PSM installed on the surface, cylindrical / convex lens / array plate C
The state of being image-recorded for each of the individual cylindrical / convex lenses forming LA is the individual cylindrical / convex lens / array plate CLA of the light beam in the state of being focused on the virtual condensing point PSI ′. The direction of the light flux imaged and recorded on the photosensitive recording member provided on the focal plane of the cylindrical / convex lens / array plate CLA in which the light flux of each convex lens is focused for each cylindrical / convex lens The light beam diverging from the condensing point PSI 'of the lens is converged for each cylindrical lens / convex lens in the cylindrical / convex lens / array plate CLS to the photosensitive recording member PSM installed on the focal plane of the cylindrical / convex lens / silley plate CLA. , The individual lenses forming the cylindrical / convex lens / array plate CLA described above. Is the same as the direction of the light beam as it is imaged recorded every Ndorikaru-convex lens.

It should be noted that since the luminous flux incident on each cylindrical / convex lens forming the cylindrical / convex lens / array plate CLA is not a perfect parallel light but a light flux that is focused on a virtual condensing point PSI ′, The position of the condensing point when the light flux incident on each individual lens is converged for each individual lens is the position of the photosensitive recording member installed on the focal plane of the cylindrical / convex lens / array plate CLA. An image of a slightly defocused large-diameter light spot is recorded at the position of the photosensitive recording member which is displaced to the front side of the position and is installed on the focal plane of the cylindrical / convex lens array and below the CLA. However, this advantage is the same as that described above at the time of reproduction, that is, the photosensitive recording that is installed on the focal plane of the cylindrical lens, the convex lens, and the array plate CLA. Playback is performed by irradiating diffused light from the back side of the recorded photosensitive recording member PSMp obtained by developing the photosensitive recording member in the state in which the image of the light spot with a slightly blurred large diameter is recorded on the material PSM. Cylindrical
An observer who is looking at the cylindrical convex lens array plate CLA with both eyes positioned in the space in front of the convex lens array plate CLA has an image of a large-diameter light spot slightly blurred as described above. A light beam showing a little divergence that has passed through the recorded image on the recorded photosensitive recording member PSMp in a recorded state is given, and the observer follows the reverse of the whole light beam showing a little divergence given to the reproduced image. When perceived, it is possible to perceive that the reproduced image exists at a position deeper than the position of the cylindrical lens, the convex lens, and the array plate CLA, and as described above, it has a slightly blurred large diameter. The position of the observer's eye during reproduction is shifted to an observer who is given a light beam showing a slight spread after passing through the recorded image on the recorded photosensitive recording member PSMp in which the image of the light spot is recorded. Nor the fact that also will not see the point of the reproduced image by, provides the advantage that.

The above-mentioned recorded photosensitive recording member PSMp and the cylindrical convex lens array CL having the same configuration as the cylindrical convex lens array CLA used at the time of recording.
Both A and A are combined so that the relative positional relationship between them is the same as that at the time of recording.
When the recorded photosensitive recording member PSMp is irradiated with diffused light from the light source DSP from the side opposite to the convex lens array CLA,
The light transmitted through the recorded photosensitive recording member PSMp is condensed only in the X-axis direction by the individual cylindrical / convex lenses in the cylindrical / convex lens array CLA, and as shown in FIG. Form a linear real image parallel to the Y axis, including aip, bip, cip, dip in the three-dimensional space in front of the convex lens array CLA.

When the left eye E and the right eye Er of the observer are placed as the viewing area during reproduction as shown in FIG. 27, the direction of the X axis is shown in FIG. 31 (a). As shown in FIG. 31, the point of light is perceived at the position of the real image condensed by each cylindrical / convex lens in the cylindrical / convex lens array CLA, and the cylindrical / convex lens has no lens action in the Y-axis direction. of
Pre-recorded photosensitive recording member PSM as shown in (b)
It is perceived that a point of light exists in the direction of the straight line connecting the recording position at p and the observer's eye.

Therefore, when the observer's eyes E and Er are present in the linear visual field assumed at the time of recording, as shown in (a) of FIG. 32, there is no distortion as recorded. The three-dimensional image is perceived by the observer. However, if the observer sees from other than the linear viewing area assumed at the time of recording,
As shown in (b), the original image of the recorded square will be perceived by the observer as distorted as indicated by aip ', bip', cip ', dip'. However, this point is 3 using the cylindrical / convex lens array CLA.
There is a difference between recording and reproducing a three-dimensional image and recording and reproducing a three-dimensional image using a fly-eye lens.

Then, as the recorded photosensitive recording member PSMp,
If an image of the light source PSI (PSI ') at each of a number of three-dimensionally displaced positions in the three-dimensional space is recorded, the light source PS recorded in the recorded photosensitive recording member PSMp.
The image at each position of I (PSI ′) is condensed only in the X direction by each cylindrical / convex lens in the cylindrical / convex lens array CLA, and the image in the three-dimensional space in front of the cylindrical / convex lens array CLA is also collected. Since the linear real images parallel to the Y axis (the extending direction of the cylindrical axis of the cylindrical lens of the convex lens) including the positions of the point light sources of and are connected respectively, the real images are reproduced at the position of the guide rod 3 in FIG. The real image aip, bip, cip, as the viewing area
Looking at the dip, the entire light line or light point appearing at the position of the real image in the three-dimensional space can be perceived as a three-dimensional image by light.

An XYZ plotter shown in FIG. 40 is a light source P in a three-dimensional space.
A three-dimensional image by light drawn as line drawing by light or point drawing by light by light emission of SI (PSI ') is recorded on the photosensitive recording member PSM installed on the focal plane of the cylindrical / convex lens array CLA. Therefore, a three-dimensional image of a color image can be made to appear by selectively using the light source and the photosensitive recording member described above, and the recorded photosensitive recording member is not a light-transmissive type. Using a light-reflective recorded photosensitive recording member (for example, photographic paper), even when illuminated with diffused light from the cylindrical / convex lens / array side during playback, in the three-dimensional space where the cylindrical / convex lens / array exists,
A three-dimensional image by light drawn as line drawing by light or dot drawing by light can be made to appear.

Photosensitive recording member P to be arranged so as to be located on the focal plane of the cylindrical / convex lens array CLA.
SM is a cylindrical / convex lens array CL
The photosensitive recording member PSM and the cylindrical convex lens array CLA which are to be arranged so as to be located in the focal plane of the cylindrical convex lens array CLA, which are integrated with the cylindrical convex lens array CLA, are provided separately. It may be configured as one.

If the photosensitive recording member PSM to be arranged so as to be located on the focal plane of the cylindrical / convex lens array CLA is configured separately from the cylindrical / convex lens array CLA, it is recorded. The relative positional relationship between the photosensitive recording member PSMp and the cylindrical convex lens array CLA having the same configuration as the cylindrical convex lens array CLA used at the time of recording is the same as that at the time of recording. They are combined and used for regeneration.

In the XYZ plotter of the configuration example shown in FIG. 40 described so far, the image of the light source PSI (PSI ′) in the three-dimensional space in which the cylindrical / convex lens array CLA exists is
By forming an image on the photosensitive recording member PSM provided on the focal plane of the cylindrical convex lens array CLA for each individual cylindrical convex lens in the cylindrical convex lens array CLA, the cylindrical convex lens array CLA is formed. On the photosensitive recording member PSM installed on the focal plane of the CLA, position information of the light source PSI (PSI ') at each position in the three-dimensional space where the cylindrical / convex lens array CLA exists is recorded. When diffused light is applied to the recorded photosensitive recording member PSMp on which the position information of the light source PSI (PSI ′) at each position in the three-dimensional space in which the cylindrical convex lens array CLA is present as described above is recorded. Three-dimensional space where the cylindrical, convex lens array CLA exists Although the playback image of the light source PSI (PSI ') is made to recognize the observer M in,
In the XYZ plotter described so far, when the three-dimensional image recorded thereby is reproduced, the range (viewing area) in which the original three-dimensional image targeted for recording can be viewed correctly is narrow, and the above-mentioned visual In addition to the original three-dimensional image that was the subject of recording as described above, a false three-dimensional image (ghost image, spurious image) that did not exist at the time of recording was recorded from a location outside the area. The problem is that it will be recognized, but the problem is that the
Regarding the photosensitive recording member to be installed approximately on the focal plane of the convex lens array, the above-mentioned cylindrical shape having the same planar shape dimension as the planar shape dimension of each of the plurality of cylindrical convex lenses in the cylindrical convex lens array described above. When individual areas are set so as to correspond one-to-one with the individual ones of the convex lenses, the individual areas set on the photosensitive recording member as described above have cylindrical surfaces corresponding to the individual areas.・ Cylindrical other than the convex lens ・ Corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in front of the cylindrical / convex lens array so that the light passing through the convex lens is not incident. It is turned on at a position that is orthogonal to the extending direction of the cylindrical axis in the cylindrical / convex lens array. This can be satisfactorily solved by providing a means for limiting the divergence range of the light beam diverging in a fan shape toward the direction. As the means for limiting the divergence range of the light beam diverging in a fan shape described above, for example, A means such as providing a mask member having a hole of a predetermined shape in the passage of the light flux, appropriately setting the diameter of the cylindrical lens 5, or specifying the planar shape of the lens of the optical system is provided. Can be adopted.

(Problems to be Solved by the Invention) The already proposed XY described with reference to FIGS. 15 to 41.
In the Z plotter, a light-sensitive recording member arranged substantially at the focal plane of a fly-eye lens plate or a stereoscopic image taking lens plate such as a cylindrical lens, a convex lens, or an array plate,
In the three-dimensional space in which the above-mentioned lens plate for taking a stereoscopic image exists, a lens plate for taking a three-dimensional image, which is a three-dimensional image formed by a light path drawn by a light source that emits a divergent light beam in a predetermined mode It is possible to focus and record with a 3D image, and to reproduce a 3D image in a 3D space reproduced by irradiating diffused light to the recorded photosensitive recording member on which the 3D image is recorded. At this time, for example, the observer can recognize only the reproduced image without seeing the spurious image by placing the both eyes in the area shown as the viewing area by hatching in FIG. However, in the above-mentioned proposed XYZ plotter, although the viewing zone in the portion separated from the reproduced three-dimensional image is wide, the reproduced three-dimensional image is reproduced.
The problem is that the viewing zone in the area close to the three-dimensional image is narrow.

That is, when we look at an object, we strongly recognize its stereoscopic effect when the object is near, and the stereoscopic effect when looking at a distant object is usually not large. On the contrary, in the proposed XYZ plotter, the viewing area near the three-dimensional image reproduced as described above is narrow,
Since the unfavorable state that the viewing zone becomes wider as the distance from the reproduced three-dimensional image is increased, a solution for that is sought.

(Means for Solving Problems) The present invention relates to a stereoscopic image taking lens plate composed of a plurality of lenses, a photosensitive recording member provided on a substantially focal plane of the stereoscopic image taking lens plate, and In the XYZ plotter, which comprises means for three-dimensionally displacing the light source in the three-dimensional space in front of the stereoscopic image taking lens plate, the center of divergence in the light source that emits divergent light with a predetermined cross-sectional shape, The light source is turned on at a position corresponding to the three-dimensional image to be recorded and the lens plate for stereoscopic photography is set to the center of divergent light having a predetermined cross-sectional shape emitted from the light source. It is installed in a three-dimensional space defined as a position change range, and the divergent light emitted from the light source is centered on the area projected on the stereoscopic image taking lens plate. Divergence in light source The XYZ plotter, and the fly-eye lens plate, and the fly-eye lens plate described above, wherein a straight line passing through the center of the fly-eye is inclined corresponding to the position of the center of divergence in the light source. Each is turned on at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in which the photosensitive recording member installed on the focal plane and the fly-eye lens plate are installed. A means for displacing the point light source three-dimensionally is provided, and the locus of the point light source is recorded by the photosensitive recording member provided substantially on the focal plane of the fly-eye lens plate. Has been done and should be the subject of the record 3
As the divergent light from the point light source used to form the trajectory of the light spot corresponding to the three-dimensional image, the divergent light from the condensing point obtained by converging the light of the arbitrary light source by the optical system is used. An XYZ plotter in which the fly-eye lens plate is installed in a three-dimensional space within the range of movement of the focal point of the optical system described above, and is composed of an array set of a large number of individual lenses. Regarding the photosensitive recording member to be installed substantially in the focal plane of the fly-eye lens plate, each individual lens in the fly-eye lens plate individually occupies the fly-eye lens individually. When the individual areas are set to have a one-to-one correspondence with the above-described existence area of each single lens with the same plane shape size as the existence area of the lens, it is set in the photosensitive recording member as described above. In individual areas A means for restricting the divergence direction of the light from the condensing point is provided so that the light passing through the individual lenses other than the individual lenses corresponding to the respective areas is not incident. In the XYZ plotter, the divergent light from the condensing point obtained by focusing the light from the arbitrary light source by the optical system is projected on the fly's eye lens plate and the center of the divergence in the light source is defined. A straight line passing therethrough passes through a point at a predetermined distance in the approximate center of the fly-eye lens plate, so that the light from any of the light sources described above is corresponded to the position of the center of divergence in the light source by an optical system. An XYZ plotter, in which a straight line passing through the center of the area where the divergent light from the focused condensing point is projected on the fly eye lens plate and the center of divergence in the above-mentioned light source are inclined, and a cylindrical / convex lens Assuming a surface parallel to the focal plane of the cylindrical convex lens array plate and the photosensitive recording member installed on the focal plane of the cylindrical convex lens array plate described above. The fan-shaped light beam diverging only in the direction defined as the direction orthogonal to the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate on the assumed surface was converged by the optical system. A divergent light source for recording is formed by using a light beam that is diverged later, and a divergent light source for recording formed at the light condensing point by the optical system is installed on the cylindrical / convex lens array plate. Of the position of each point of the 3D image to be recorded in the 3D space, the extension of the cylindrical axis of the cylindrical / convex lens / array plate A means for three-dimensionally displacing the position information about the other two coordinate axes excluding the position information about the coordinate axis of the direction and the above-mentioned cylindrical / convex lens array plate are installed. Cylindrical / convex lens described above in three-dimensional space
There is the above-mentioned cylindrical / convex lens / array plate and the linear visual field set in the direction orthogonal to the extending direction of the cylindrical axis in the above-mentioned cylindrical / convex lens / array plate on the plane parallel to the focal plane of the array plate. The plane formed by each point of the three-dimensional image to be recorded in the three-dimensional space corresponds to the substantially straight line formed by intersecting the surface of the cylindrical convex lens array plate. The cylindrical convex lens is provided with a means for recording in a linear region formed on the photosensitive recording member which is provided substantially on the focal plane of the array convex lens.・ The array plate should be installed in the three-dimensional space within the moving range of the divergent light source for recording formed at the condensing point by the above optical system. An XYZ plotter, which is a photosensitive recording member to be installed substantially at the focal plane of the above-mentioned cylindrical / convex lens / array plate, and is a plane of each of the plurality of cylindrical / convex lenses in the above-mentioned cylindrical / convex lens / array plate. When individual areas are set to have a one-to-one correspondence with the individual cylindrical / convex lenses described above in the same plane shape dimension as the shape dimension, the individual areas set in the photosensitive recording member as described above are set. Is recorded in the three-dimensional space in front of the cylindrical / convex lens / array plate so that the light passing through the cylindrical / convex lens other than the cylindrical / convex lens corresponding to each area is not incident. In the optical system at the position corresponding to the shape of the three-dimensional image to be targeted in Cylindrical-convex lens, the divergent light source for recording was formed on that focal point
In an XYZ plotter having means for limiting the divergence range of a fan-shaped light beam in a direction orthogonal to the extending direction of the cylindrical axis of the array plate, an XYZ plotter for recording is formed at a converging point by an optical system. A straight line passing through the center of the area where the divergent light emitted from the divergent light source is projected on the cylindrical / convex lens / array plate and the center of divergence of the light source is parallel to the focal plane of the cylindrical / convex lens / array plate. On a plane, so as to substantially intersect the straight line orthogonal to the midpoint of the linear viewing area, when assuming a surface parallel to the focal plane of the cylindrical convex lens array plate, The assumed surface was formed at the condensing point by the optical system in the direction orthogonal to the extending direction of the cylindrical axis in the cylindrical / convex lens / array plate described above. Corresponding to the position of the center of the emitted divergent light from the divergent light source for recording, cylindrical-described above
An XYZ plotter in which a straight line passing through the center of a region projected on a convex lens array plate and the center of divergence of the above-mentioned light source is inclined.

(Example) Hereinafter, specific contents of the XYZ plotter of the present invention will be described in detail with reference to the accompanying drawings. FIGS. 1 to 5 and 7 are side views for explaining the constitutional principle and operation principle of the XYZ plotter of the present invention, FIGS. 6 and 9 and 10 are diagrams for explaining the visual field, FIG. 8 is a side view for explaining a recording area in the case of one embodiment, and FIGS. 11 and 13 are XY of the present invention.
FIG. 12 is a perspective view showing a schematic configuration of different embodiments of the Z plotter, FIG. 12 is a side view and a plan view for explaining the configuration and operation of the main part of the XYZ plotter of the present invention shown in FIG. 11, and FIG. FIG. 13A is a side view and a plan view for explaining the configuration and operation of the main part of the XYZ plotter of the present invention shown in FIG.

The XYZ plotter of the present invention includes a lens plate for taking a stereoscopic image including a plurality of lenses, a photosensitive recording member installed on the focal plane of the lens plate for taking a stereoscopic image, and the lens for taking a stereoscopic image. In an XYZ plotter including means for displacing a light source three-dimensionally in a three-dimensional space on the front surface of a plate, the center of divergence in a light source that emits divergent light having a predetermined cross-sectional shape is targeted for recording. While turning on the light source as a value corresponding to a three-dimensional image,
The three-dimensional image taking lens plate described above is installed in a three-dimensional space within the range of change in the position of the center of divergent light having a predetermined cross-sectional shape emitted from the light source. A straight line passing through the center of the area where the emitted divergent light is projected on the lens plate for stereoscopic image capturing and the center of divergence in the light source described above corresponds to the position of the center of divergence in the light source described above. Although the XYZ plotter is tilted, the XYZ plotter of the present invention has been proposed with reference to FIGS. 15 to 41, especially FIGS. 15, 23, 33 and 40. In the XYZ plotter, each of the photosensitive recording members installed on the focal plane of the stereoscopic image taking lens plate composed of an array of a plurality of lenses is described above. Of the individual lenses, which have the same planar shape dimension as the existing area of the individual lenses individually occupied in the stereoscopic image taking lens, have a one-to-one correspondence with the existing areas of the individual lenses described above. When the areas are set, the light passing through the individual lenses other than the individual lenses corresponding to the individual areas is not incident on the individual areas set on the photosensitive recording member as described above. As described above, by limiting the divergence direction of the light from the light source,
It is possible to implement any of the XYZ plotters already proposed that have been implemented as a configuration that can prevent the generation of spurious images.

1 to 3 (FIGS. 4 and 5 are the same as FIG. 1),
7 and FIG. 7 are diagrams showing typical examples of various embodiments for changing the divergence direction of the light emitted from the light source as desired according to the spatial position of the light source. In FIG. 3, SLP is a lens plate for taking a stereoscopic image including a plurality of lenses, PS is a light source, and in FIGS. 1 and 3 to 5 and 7, SM is for limiting the divergence direction of light. A limiting member, and Lc in FIGS. 2, 3, and 7 is an optical system for forming a condensing point PSI that serves as a light source.

FIG. 1 (the same applies to FIGS. 4 and 5) is for limiting the divergence direction of the light emitted from the light source PS in the XYZ plotter having the configuration described with reference to FIGS. 15 and 20. An example of a case in which the XYZ plotter of the present invention is configured by changing the mode of restriction on the divergence direction of light performed by the restriction member SM for performing the above-described operation according to the spatial position of the light source PS will be described. FIG.

FIG. 1 (a) {and FIG. 4} shows a case where the position of the light source PS is in the space near the center of the stereoscopic image taking lens plate SLP including a plurality of lenses. PS
The luminous flux emitted from the central ray of the luminous flux is limited by the limiting member S.
It is restricted so that it passes through the center of the opening of M and is perpendicular to the opening surface of the limiting member SM.
(b) {and FIG. 5} shows the case where the position of the light source PS is in the space near one end of the lens plate SLP for stereoscopic image capturing including a plurality of lenses. In this case, the light source PS The luminous flux emitted from the central ray of the luminous flux is the limiting member SM.
Is restricted so that it passes through a position deviated from the center of the opening and is deviated from the perpendicular to the opening surface of the restriction member SM.

In FIG. 1 (and FIGS. 4 and 5), a plurality of lens plates SLP for forming a stereoscopic image, such as a fly's eye lens plate, are included in the lens plate SLP for forming a stereoscopic image. When an individual lens (a single lens in the case of a fly-eye lens plate) has a function of focusing an incident light beam in all directions, the lens plate SP for capturing a stereoscopic image
When L is arranged with its focal plane aligned with the XY plane in the XYZ orthogonal coordinate system, the limiting operation by the limiting member SM with respect to the light beam emitted from the light source PS is limited to the X-axis direction and the Y-axis. In a manner that changes both in the direction of and.

Further, in FIG. 1 (and FIGS. 4 and 5),
The above-mentioned three-dimensional image taking lens plate SLP is, for example, a cylindrical / convex lens / array plate, and in the case of a plurality of individual lenses (cylindrical / convex lens / array plate) that make up the three-dimensional image taking lens plate SLP. Individual cylindrical / convex lens) has the function of focusing the incident light beam only in the direction orthogonal to the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate,
The stereoscopic image taking lens plate SPL makes its focal plane XY.
In the state of being matched with the XY plane in the Z orthogonal coordinate system,
Further, when the cylindrical / convex lens / array plate is arranged so that the extending direction of the cylindrical axis coincides with the Y-axis direction, the limiting operation by the limiting member SM with respect to the light beam emitted from the light source PS is limited. This is done in a manner that changes only in the direction of the X axis.

As described with reference to FIG. 1, the position of the light source PS is a position in the space near the center of the lens plate SLP for stereoscopic image capturing including a plurality of lenses, and the lens for stereoscopic image capturing including a plurality of lenses As the position of the plate SLP is gradually changed to a position in the space near one end of the plate SLP, the mode of limiting the divergence direction of the light emitted from the light source PS is shown in FIG. 4} from the state of FIG. 1 (b) {and FIG. 5}
When a three-dimensional image is recorded by sequentially changing it to the state of, and the reproduced image is reproduced, the visual range where only the correct reproduced image can be recognized without spurious images is shown by hatching in FIG. Although it is a region expressed as a region, the viewing region shown in FIG. 6 is reproduced in comparison with the viewing region shown in FIG. 10 which has already been described for the proposed XYZ plotter. It can be seen that the viewing zone in the part close to the three-dimensional image is widened.

FIG. 4 showing a state in which the position of the light source PS is in the space near the central portion of the lens plate SLP for stereoscopic image photographing including a plurality of lenses, and stereoscopic image photographing in which the position of the light source PS is a plurality of lenses. FIG. 5 showing the case in the space near one end of the lens plate SLP for use shows the state when the light source PS has moved from point A to point B, which is a minute distance Δx away from each other. Shows.

In FIG. 4 and FIG. 5, (Wm / dM) = (Δx / ds) is established from the similarity relationship in the triangle BCD,
Further, from the similarity relationship in the triangle ABC ((Δx / d
s) = (Wm / dM) holds.

(Wm / dM) = (Δx / ds) = (Wm / dM) Then, since it is similar to the above triangle ABC, AC
= BD and BC are common, and AC and BD are in parallel, so that ∠ABC = ∠CBD = θ '.

Therefore, the recording area in the photosensitive recording member provided on the focal plane of the lens plate SLP for stereoscopic image capturing is
As shown in the figure, it will be slightly shifted, but
Adjacent recording areas do not overlap with each other.

Next, FIG. 2 and FIG. 3 are for stereoscopic image capturing of a three-dimensional image by using a divergent light beam from a condensing point PSI formed by converging the light beam emitted from the light source PS by the optical system Lc. An XYZ plotter having a configuration in which recording is performed on a photosensitive recording member arranged on the focal plane of the lens plate SLP,
That is, in the XYZ plotter having the configuration as described with reference to FIG. 23, FIG. 33, FIG. 40, etc., the mode of limiting the divergence direction of the light emitted from the light source PSI is set to the spatial position of the light source PSI. It is a figure for demonstrating the structural example at the time of making it change and it comprises so that an XYZ plotter of this invention may be comprised, First, (a) of FIG.
It shows a case where the position of the light source PSI is in the space near the central portion of the lens plate SLP for stereoscopic image photographing composed of a plurality of lenses, and FIG. 2 (b) shows that the position of the light source PSI is plural. It shows a case where it is in the space near one end of the lens plate SLP for taking a stereoscopic image including a lens.

In the configuration example shown in the second drawing, a condensing point PSI formed in a predetermined space by focusing by the optical system Lc is used as a light source, and the position of the light source PSI is a lens plate SLP for stereoscopic image photographing including a plurality of lenses. From the position in the space near the center,
As the three-dimensional image taking lens plate SLP including a plurality of lenses sequentially changes to a position in the space near one end of the lens plate SLP, the direction of divergence of the divergent light having a predetermined cross-sectional shape from the light source PSI is changed. In order to sequentially change the mode of limitation from the state of (a) of FIG. 2 to the state of (b) of FIG. 2, the relative positional relationship between the original light source PS and the optical system Lc is changed. It is done by parallel movement.

In the configuration example shown in the second diagram, the above-described stereoscopic image taking lens plate SLP is, for example, a fly's-eye lens plate, and a plurality of individual lenses (fly's-eye image) forming the stereoscopic image taking lens plate SLP are formed. In the case of a lens plate, a single lens) has a function of focusing an incident light beam in all directions, and the stereoscopic image taking lens plate SPL has its focal plane in the XY plane in the XYZ orthogonal coordinate system. When it is arranged in a state of being matched with, the limiting operation by the limiting member SM with respect to the luminous flux emitted from the light source PSI is performed in such a manner as to change in both the X-axis direction and the Y-axis direction. In addition, in FIG. 2, the stereoscopic image taking lens plate SLP has a stereoscopic image taking lens plate SLP such as a cylindrical / convex lens array plate. A plurality of individual lenses (cylindrical / convex lens / in the case of an array plate, individual cylindrical / convex lenses) that make the incident light beam orthogonal to the direction in which the cylindrical axis of the cylindrical / convex lens / array plate extends In the case where it has a function of focusing only, the lens plate for taking a stereoscopic image SPL has its focal plane aligned with the XY plane in the XYZ orthogonal coordinate system, and is a cylinder of a cylindrical / convex lens array plate. If the arrangement is such that the direction in which the axis extends coincides with the direction of the Y axis, the limiting operation by the limiting member SM for the light flux emitted from the light source PSI changes only in the direction of the X axis. It is made to be performed in a mode.

In the case of the configuration example shown in FIG. 2 described above, in order to limit the direction of divergence of divergent light from the actual light source PSI formed by the condensing point in the space, the original light source is When the relative positional relationship between the optical system and the optical system is displaced by parallel movement, the actual light source P due to the condensing point formed in the space
Since the SI position also shifts, the direction of the divergence of the divergent light from the actual light source PSI is limited and at the same time the actual light source PSI is
It is also necessary to correct the position of.

FIG. 3 shows a light source P as in the configuration example shown in FIG.
3 using the divergent light flux from the condensing point PSI formed by forming the space of the light flux emitted from S by the optical system Lc
In the XYZ plotter having the configuration mode in which the three-dimensional image is recorded on the photosensitive recording member arranged on the focal plane of the lens plate SLP for capturing a stereoscopic image, the mode of limiting the divergence direction of the light emitted from the light source PSI is described. It is a figure which shows the other structural example in the case of changing according to the spatial position of the light source PSI, and configuring the XYZ plotter of this invention, (a) of FIG. 3 shows the position of the light source PSI. It shows a case where the lens plate SLP for stereoscopic image photographing including a plurality of lenses is in the space near the central portion, and FIG. 3B shows the light source PS.
It shows the case where the position of I is in the space near one end of the lens plate SLP for stereoscopic image photographing including a plurality of lenses.

In the configuration example shown in the third figure, a condensing point PSI formed in a predetermined space by focusing by the optical system Lc is used as a light source, and the position of the light source PSI is a stereoscopic image taking lens plate SLP including a plurality of lenses. From the position in the space near the center,
As the three-dimensional image taking lens plate SLP including a plurality of lenses sequentially changes to a position in the space near one end of the lens plate SLP, the direction of divergence of the divergent light having a predetermined cross-sectional shape from the light source PSI is changed. In order to sequentially change the mode of limitation from the state of FIG. 3 (a) to the state of FIG. 3 (b), the relative positional relationship between the original light source PS and the optical system Lc is The light flux emitted from the optical system Lc is kept the same, and is limited by the limiting member SM that moves in parallel to the optical system, so that the divergent light of the divergent light having a predetermined cross-sectional shape from the light source PSI formed in the space In the case of the configuration example shown in FIG. 3, because of the limitation, there is no problem in the configuration example shown in FIG.

In FIG. 3, the lens plate SLP for stereoscopic image photographing described above is used.
Is a plurality of individual lenses (in the case of a fly's-eye lens plate, a single-eye lens) forming an incident light beam in all directions, such as a fly's-eye lens plate. If the stereoscopic image taking lens plate SPL is arranged with its focal plane aligned with the XY plane in the XYZ orthogonal coordinate system, the light source PSI The limiting operation by the limiting member SM with respect to the divergent light beam is performed in such a manner that it changes in both the X-axis direction and the Y-axis direction, and in FIG. The image capturing lens plate SLP is, for example, a cylindrical lens.
Like the convex lens array plate, the lens plate S for stereoscopic image capturing
A plurality of individual lenses (in the case of a cylindrical lens / convex lens / array plate, individual cylindrical lenses / convex lenses) forming the LP make the incident light beam orthogonal to the direction in which the cylindrical axis of the cylindrical lens / convex lens array plate extends. In the case of having a function of focusing only in the directions, the stereoscopic image taking lens plate SPL makes its focal plane coincide with the XY plane in the XYZ orthogonal coordinate system, and the cylindrical convex lens array plate If the arrangement is such that the extending direction of the cylindrical axis of is aligned with the Y-axis direction, the limiting operation by the limiting member SM for the light flux emitted from the light source PSI changes only in the X-axis direction. This is done in such a manner.

In the case of the respective configuration examples described with reference to FIG. 1 to FIG. 3, all the positions of the light source are from a position in the space near the center of the stereoscopic image taking lens plate SLP including a plurality of lenses to a plurality of positions. Lens plate for stereoscopic image shooting consisting of a lens
As it sequentially changes to a position in the space near one end of one, the mode of restriction on the divergence direction of the light emitted from the light source PS is changed from the state of (a) of each figure to that of each figure. (b)
In order to sequentially change to the above state, the limiting means in the direction of divergence of the light flux is moved in parallel with the light source, whereby the viewing area is as described above with respect to the configuration example shown in FIG. In addition, in FIG. 6, it is defined as a region in which a viewing area is drawn by hatching, and compared with the viewing area in FIG. 10 already described for the proposed XYZ plotter, a reproduced three-dimensional image is obtained. It is assumed that the viewing area in the near portion is widened widely, and the stereoscopic image taking lens plate S is used.
The recording areas on the photosensitive recording member provided on the focal plane of the LP are slightly shifted as shown in FIG. 8, but it is possible that adjacent recording areas overlap each other. Absent.

Next, in the configuration example shown in FIG. 7, when the positions of the light sources PS and PSI are in the space near the center of the stereoscopic image taking lens plate SLP including a plurality of lenses, the positions of the light sources PS and PSI are Lens plate SL for stereoscopic image shooting consisting of a lens
The light sources PS, P are configured so that the optical axis is gradually inclined as the state changes to a state in the space near one end of P.
FIG. 7 shows an example of a configuration in which the divergence direction of the light emitted from SI is restricted, and FIG. 7 (a) is as described with reference to FIGS. 15 and 20. In the XYZ plotter having the various configuration modes, when the divergence direction of the light emitted from the light source PS is limited by the limiting member SM, the position of the light source PS is the center of the lens plate SLP for stereoscopic image capturing including a plurality of lenses. The optical axis is parallel to the Z-axis in the space near the lens portion, but the light source PS is located in the space near one end of the stereoscopic image taking lens plate SLP including a plurality of lenses. As shown in FIG. 7 (a), the optical axis is gradually inclined as it moves to, so that the divergence direction of the light emitted from the light source PS is restricted. It is a configuration example when Also, the FIG. 7 (b) a light source P
3 using the divergent light flux from the condensing point PSI formed by forming the space of the light flux emitted from S by the optical system Lc
An XYZ plotter having a configuration in which a three-dimensional image is recorded on a photosensitive recording member arranged on the focal plane of a stereoscopic image capturing lens plate SLP, and a stereoscopic image capturing lens in which the position of a light source PSI is a plurality of lenses When in the space near the center of the plate SLP, the optical axis is parallel to the Z-axis, but the position of the light source PSI is near one end of the lens plate SLP for stereoscopic image pickup including a plurality of lenses. As shown in FIG. 7 (b), the optical axis is gradually inclined as it moves toward the space of, and the divergence direction of the light emitted from the light source PSI is restricted. It is a configuration example in the case of doing so.

In the configuration example shown in FIG. 7 as well, the above-described lens plate for stereoscopic image SLP is, for example, like a fly's eye lens plate. In the case of an eye lens plate, a single lens) has a function of focusing an incident light beam in all directions, and the stereoscopic image taking lens plate SPL has its focal plane in the XYZ orthogonal coordinate system. If they are arranged so as to coincide with the plane, the limiting operation of the divergence direction of the light beams diverged from the light sources PS and PSI is the X-axis direction and the Y-direction.
The stereoscopic image taking lens plate SLP is a lens for stereoscopic image taking such as, for example, a cylindrical lens, a convex lens array plate, or the like. A plurality of individual lenses (cylindrical / convex lens / individual cylindrical / convex lens in the case of array plate) forming the plate SLP make the incident light beam orthogonal to the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate. In the case where it has the function of focusing only in the direction in which the three-dimensional image is taken, the lens plate SPL for taking a stereoscopic image has its focal plane aligned with the XY plane in the XYZ orthogonal coordinate system, and the cylindrical convex lens array. When it is arranged that the extending direction of the cylindrical axis of the plate coincides with the Y-axis direction, the light sources PS, P No remains that divergence direction of limiting operation of the light beam emanating from the I is intended to be adapted to be performed in such a manner as to vary only the direction of the X axis.

The configuration example as shown in FIG. 7, that is, the light source P
One of the three-dimensional image taking lens plate SLP having the plurality of lenses at the positions of the light sources PS and PSI from the state in which the positions of S and PSI are in the space near the center of the three-dimensional image taking lens plate SLP having the plurality of lenses. In the case of the configuration example in which the optical axis is gradually inclined as it changes to the state in the space near the end of the light source, and the divergence direction of the light emitted from the light sources PS and SPI is restricted. For example, if the center line of the light flux is always directed to a point at a clear distance as shown in FIG. 9,
As shown in FIG. 9 by drawing an output diagonal line as the viewing area, the viewing area near the reproduced three-dimensional image is
This can be made much wider than the viewing area in FIG. 10 which has already been described for the already proposed XYZ plotter.

In the configuration example shown in FIG. 7, the light source and the optical system can be configured to be rotated by the rotation mechanism, and therefore, as in the case of the configuration example shown in FIGS. Although the structure is simpler than that of the recording medium, a part of the recording area may overlap due to the constant θ as shown in FIG.

Next, referring to FIGS. 11 and 13, the XYZ of the present invention
A specific configuration example of the plotter will be described. 11 and 13 show different embodiments of the XYZ plotter of the present invention. The XYZ plotter shown in FIG. 11 is a fly-eye lens plate F as a lens plate SLP for stereoscopic image photographing.
In the three-dimensional space in which the fly-eye lens plate FEL is present, the photosensitive recording member PSM, which is arranged approximately on the focal plane of the fly-eye lens plate FEL, is used by using EL. The present invention is embodied in an XYZ plotter capable of converging and recording a three-dimensional image by a trajectory of light drawn by a light source emitting a divergent light beam of the embodiment with the fly eye lens plate FEL. This is a concrete example of the case where the present invention is applied to the already proposed XYZ plotter shown in FIG. 33 described above as an example of the case.
An XYZ plotter shown in FIG. 13 is a lens plate S for capturing a stereoscopic image.
Cylindrical / convex lens / array plate CLA as LP
In a three-dimensional space in which the above-mentioned lens plate for taking a stereoscopic image is present in a photosensitive recording member arranged substantially in the focal plane of the cylindrical / convex lens / array plate CLA. The present invention is embodied in an XYZ plotter capable of converging and recording a three-dimensional image by a trajectory of light drawn by a light source that emits a divergent light flux of the above-mentioned cylindrical / convex lens / array plate CLA. This is a concrete example of the case where the present invention is applied to the already proposed XYZ plotter shown in FIG. 40 described above as an example of the case.

In the XYZ plotter of the present invention shown in FIGS. 11 and 13, the already proposed X shown in FIGS. 33 and 40 described above.
The same reference numerals as those used in FIGS. 33 and 40 are used for the respective components corresponding to the respective components in the YZ plotter.

First, in the XYZ plotter of one embodiment of the present invention shown in FIG. 11, the transfer body Fyb is displacement-driven by the operation of the drive device DRA described later in the three-dimensional space in front of the fly-eye lens plate FEL. Inside the light source PS and the optical system Lc
, And the optical system Lc housed in the transfer body Fyb forms a condensing point PSI by converging the light emitted from the light source PS like a convex lens or a concave mirror, for example. After that, a configuration having a function of allowing the luminous flux to diverge from the condensing point PSI is used, and one optical system Lc in the embodiment shown in FIG. 11 is used. The convex lens is used, but when the optical system Lc is composed of a convex lens, the convex lens may be a combination of a plurality of lenses.

The light source PS housed in the transfer body Fyb is
For example, the point light source is configured by condensing light emitted from an incandescent lamp, a discharge lamp, or any other light emitting source with a condenser lens, and installing a pinhole at the light condensing point. The divergent light beam emitted from the laser beam is incident on the convex lens Lc forming the optical system Lc.

Of the light flux focused and emitted by the convex lens Lc, the slit 1 in the movable slit plate Sx in the X-axis direction
3 and the slit 12 of the movable slit plate Sy in the Y-axis direction are focused on the converging point PSI to form an image of the point light source PS on the converging point PSI.

Then, the above-mentioned condensing point PSI where the light beam diverging from the point light source PS is focused by the optical system Lc as described above is a new light source PSI (new point light source PSI), and the diverging light beam from it is the fly. The eye lens FEL is irradiated.

Condensing point PSI made as the new point light source PSI
Is set so that it emits light at a position corresponding to the shape of the three-dimensional image to be recorded, so that the transfer member Fy described above is emitted.
The displacement is driven by the drive device DRA via b, and the entire device shown in FIG. 11 is used while being housed in a dark box.

The transfer body Fyb is displaced by the driving device DRA so as to be displaced and driven to any position within a predetermined range in the three-dimensional space in front of the fly-eye lens plate FEL.
With the same drive unit DRA as in the XYZ plotter already described with reference to FIG.
Displacement can be driven in the same driving manner as in the Z plotter.

Therefore, the driving device DRA of the point light source in the XYZ plotter shown in FIG. 11 is supplied with the respective stepping motors Mx, Myb, Myz in the respective transfer bodies Fx, Fyb, Fz in the X, Y, Z axis directions from the computer. By being rotationally driven in accordance with the drive signal, the transporting body Fyb in the Y-axis direction has its lowest end at the position immediately before its lowermost end Fybe contacts the surface of the fly-eye lens plate FEL,
A movable range in the up-and-down direction in which the transfer body Fz in the Z-axis direction reaches the upper end of the rail member Rz as the upper end, and the transfer bodies Fx, Fyb are front, rear, left and right along the rail members Rx, Ry. The fly's-eye lens plate FE
It can be displaced and driven to any position in the three-dimensional space in front of L.

By the way, in the XYZ plotter of the present invention shown in FIG. 11, the direction of divergence of the divergent light beam emitted from the point light source PSI which is displacement-driven in the three-dimensional space by the drive unit DRA as described above is a point in the space. The light source PSI is limited in a predetermined manner according to the position of the light source PSI. The limitation on the direction of divergence of the divergent light beam emitted from the point light source PSI in the XYZ plotter of the present invention shown in FIG. The operation is performed by the slit 12 in the movable slit plate Sx in the X-axis direction and the slit 13 in the movable slit plate Sy in the Y-axis direction.

The movable slit plate Sx in the X-axis direction described above is in a state of facing 2 in the X-axis direction in the transfer body Fyb in the Y-axis direction.
The movable slit plate Sy in the Y-axis direction is in a state of being loosely fitted and supported in a through hole formed in one wall surface, and the movable slit plate Sy in the Y-axis direction is in the Y-axis direction transfer body Fyb.
In the state of being supported by being loosely fitted in the through holes formed in the two wall surfaces facing each other in the Y-axis direction.

The rack 10 is engraved on one side edge of the movable slit plate Sx, and the rack 11 is engraved on one side edge of the movable slit plate Sy. A pinion Gx, which is rotationally driven by a motor Msx, is meshed with the rack 10 provided on one side edge of the movable slit plate Sx, and the rack 10 is provided on one side edge of the movable slit plate Sy. A pinion Gy, which is rotationally driven by a motor Msy, is meshed with the rack 11 provided, and the above-described motor Msx,
Msy is fixed to the outer wall of the transfer body Fyb in the Y-axis direction.

12 (a) to (c) show the configuration of the two movable slit plates Sx, Sy provided in the vicinity of the lower end of the transfer body Fyb in the Y-axis direction in the XYZ plotter shown in FIG. FIG. 12 is a diagram for illustrating and explaining FIG.
(a) is a side view of the portion near the lower end of the transfer body Fyb in the Y-axis direction as viewed from the right side to the left side in FIG. 11 in the X-axis direction, and (b) in FIG. ) Indicates the portion near the lower end of the transfer Fyb in the Y-axis direction in the 11th direction in the Z-axis direction.
It is a back view of the state of looking from the lower side to the upper side in the figure,
Further, (c) of FIG. 12 is a side view of a portion near the lower end of the transfer body Fyb in the Y-axis direction as viewed from the front side to the rear side in FIG. 11 in the Y-axis direction.

The X shown in FIG. 11 constructed as described above
In the YZ plotter, when the point light source PSI is near the center of the fly-eye lens plate FEL, the above-mentioned two slit plates Sx and Sy are the slits 1 of the respective slit plates.
2 and 13 are positioned in the central portion of the cross section of the transfer body Fyb in the Y-axis direction, and the point light source PSI
As the fly's eye lens plate FEL moves from the central part to the vicinity of the end part, the positions of the slits of the two slit plates also correspond to the position of the point light source PSI in the Y-axis direction. The moving amount of the two slit plates Sx, Sy is supplied to the motors Msx, Msy under the control of the computer. Is defined by the control signal that is applied.

As a result, the XYZ plotter having the configuration shown in FIG.
The fly-eye lens plate installed so that the plane including the arbitrary two coordinate axes in the X, Y, Z orthogonal coordinate system is the focal plane, and the fly-eye lens plate is set approximately at the focal plane. A photosensitive recording member and a point light source that is turned on at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in which the fly-eye lens plate is installed are three-dimensionally A means for displacing the point light source is used to record the locus of the point light source by a photosensitive recording member provided substantially in the focal plane of the fly-eye lens plate. As divergent light from a point light source used to form a locus of light spots corresponding to a three-dimensional image to be targeted, divergent light from a condensing point obtained by focusing light from an arbitrary light source by an optical system is used. And the fly-eye lens plate described above An XYZ plotter arranged to be installed in a three-dimensional space within the movement range of the focal point of the optical system described above, wherein the fly-eye lens plate is configured by an array set of a large number of individual lenses. Of the photosensitive recording member to be installed substantially at the focal plane of each of the individual lenses in the fly-eye lens plate described above, the plane shape dimension of the existence region of the individual lenses individually occupied in the fly-eye lens. 1: 1 with the existence area of each individual lens described above in the same plane shape dimension
When the individual areas corresponding to the above are set, the individual areas set on the photosensitive recording member as described above have passed through the individual lenses other than the individual lenses corresponding to the respective areas. In the XYZ plotter, which is provided with means for limiting the divergence direction of the light from the condensing point so that the light does not enter, the light of the arbitrary light source is focused by an optical system. A straight line passing through the center of the area where the divergent light from the light spot is projected on the fly's eye lens plate and the center of the divergence of the light source is a predetermined distance at the center of the fly's eye lens plate. As it passes through the point, the divergent light from the condensing point obtained by focusing the light of the arbitrary light source by the optical system corresponding to the position of the center of divergence in the aforementioned light source is projected onto the fly eye lens plate. The center of the area and the light And than have been the center of divergence XYZ plotter that is to tilt the straight line passing through the in, 3 recorded by this XYZ plotter
When the three-dimensional image is reproduced, the viewing area in the portion close to the reproduced three-dimensional image is made wider than that of the already proposed XYZ plotter.

In the embodiment shown in the eleventh embodiment, the two movable slit plates Sx, Sy are provided in the passage of the light flux emitted from the convex lens Lc housed in the transport body Fyb in the Y-axis direction. In carrying out the present invention, the above-mentioned 2
One movable slit plate Sx, Sy may be provided in another portion in the path of the light flux from the light source PS to the surface of the fly-eye lens plate FEL.

Further, in the embodiment shown in FIG. 11, two movable slit plates Sx, Sy are used, and each movable slit plate Sx, Sy is driven and displaced in the direction of one coordinate axis. However, the present invention may be carried out by using one slit plate, and FIG. 12 (d) shows that the first slit plate Sxy provided with one slit 15 has two slit plates Sxy. When the XYZ plotter of the present invention is configured so that the slits 15 provided on the slit plate Sxy are moved to a predetermined position by moving the motors Ssx and Msy two-dimensionally in the XY plane by rotational driving. 6 is a plan view of the vicinity of a slit plate in the example of FIG.

Next, FIG. 13 is a block diagram showing another embodiment of the XYZ plotter of the present invention. XYZ shown in FIG.
In the plotter, the same reference numerals as those used in FIG. 40 are used for the same components as those of the already proposed XYZ plotter described with reference to FIG.

In the embodiment shown in FIG. 13, the cylindrical / convex lens / array plate CLA is so arranged that the surface of the photosensitive recording member PSM installed on its focal plane coincides with the XY plane in the XYZ orthogonal coordinate system, and Cylindrical
The direction of the cylindrical axis of the convex lens is Y in the XYZ orthogonal coordinate system.
It is supposed to be provided so as to be parallel to the axis.

In the XYZ plotter shown in FIG. 13, Fyb is a transfer body that is displaced and driven in the three-dimensional space in front of the above-mentioned cylindrical / convex lens / array plate CLA by the operation of a drive unit DRA described later. Fy
A light source SL and an optical system Lc are provided in b.

The optical system Lc provided on the transfer body Fyb is
For example, like a convex lens or a concave mirror, a light beam having a fan-shaped cross section emitted from the light source SL is focused to converge the light at the condensing point P.
After forming SI, a configuration having a function of diverging a light beam from the condensing point PSI is used, and in the configuration example shown in FIG. 13, the optical system Lc is: Although the one composed of one convex lens is used, when the optical system Lc is composed of a convex lens, one composed of a combination of a plurality of lenses may be used.

In the XYZ plotter of the configuration example shown in the thirteenth embodiment, the light source SL provided on the transfer body Fyb, for example, emits the light emitted from the laser light source 4 to the cylindrical lens 5
Focusing with (cylindrical lens 5), the cylindrical
A light source configured to emit a divergent light beam having a fan-shaped cross-sectional shape such that it diverges only in the X-axis direction on the XY plane from the converging point focused by the lens 5. The emitted divergent light flux is incident on the convex lens forming the optical system Lc.

Of the luminous flux focused and emitted by the convex lens Lc, the slit 1 in the movable slit plate Sx in the X-axis direction
The light flux passing through 4 forms an image of the light source SL at the condensing point PSI.

The light source PSI of the light beam PL diverging in a fan shape only in the direction of the X axis is the position of the condensing point PSI where the fan-shaped light beam emitted from the light source SL is focused by the optical system Lc. Cylindrical / convex lens / array plate CLA according to the driving displacement of the transfer body Fyb in the axial direction.
Is designed so that it can be displaced and driven to any position within a predetermined range in a three-dimensional space in which
The condensing point PSI serves as a new light source PSI (new light source PSI), and the divergent light flux from the new light source PSI illuminates the cylindrical / convex lens / array plate CLA. The whole is used while being stored in a dark box.

The transfer body Fyb in the Y-axis direction described above is provided by the drive unit DRA of the light source SL in the XYZ plotter as described in the above X, Y,
The stepping motors Mx, My, Mz in the transfer bodies Fx, Fyb, Fz in the Z-axis direction are rotationally driven according to the drive signals supplied from the computer, whereby the transfer body Fyb in the Y-axis direction is driven and displaced. Accordingly, the cylindrical / convex lens / array plate CLA can be displaced and driven to any position within a predetermined range in a three-dimensional space in which the cylindrical / convex lens / array plate CLA exists, and the light emission state of the light source PSI can be calculated by a computer. As a result of being controlled, within a predetermined range in the three-dimensional space where the cylindrical lens, the convex lens, and the array plate CLA are present, the shape of the three-dimensional image to be recorded is a continuous linear light trajectory. To be displayed,
Alternatively, the shape of a three-dimensional image to be recorded may be displayed by an array of light spots.

Since the cylindrical / convex lens / array plate CLS does not have a lens function in the cylindrical axis direction of the cylindrical / convex lens (the direction of the Y axis in each figure), even if the cylindrical / convex lens / array plate CLA is used, Parallax information in the cylindrical axis direction of the convex lens (direction of the Y axis in each drawing) cannot be recorded in the photosensitive recording member PSM, but in the XYZ plotter shown in FIG. 13, the cylindrical convex lens array plate CLA is used. The three-dimensional image drawn by the displacement of the light source PSI in the existing three-dimensional space is used for the cylindrical / convex lens / array plate CL.
A cylindrical convex lens array plate arranged so as to have a focal plane in the XY plane in order to enable recording as a three-dimensional image on the photosensitive recording member PSM arranged on the focal plane in A. Emitting a light flux with a cross-sectional shape that does not spread in the cylindrical axis direction (Y-axis direction in the figure) of a cylindrical / convex lens that does not show a lens function in the CLA, but expands in a fan shape only in the X-axis direction. By using the light source PSI configured as described above, the light source PSI is displaced according to the three-dimensional image to be recorded in the three-dimensional space where the cylindrical lens, the convex lens, and the array plate CLA are present. is there.

Therefore, when the light source PSI emits light in the three-dimensional space in which the cylindrical / convex lens / array plate CLA exists, the light emitted from the light source PSI causes the individual cylindrical / convex lenses of the cylindrical / convex lens / array plate CLA to be described above. Each image is focused and the image of the light source PSI is recorded on the photosensitive recording member PSM provided on the focal plane of the cylindrical / convex lens / array plate CLA.

The drive device DRA is a transfer body in the X-axis direction that is transferred in the X-axis direction along a rail member Rx provided so as to extend in the X-axis direction in the XYZ orthogonal coordinate system by the drive rotation of the stepping motor Mx. Fx and the above X
Along the rail member Rz, which is fixed to the directional transport body Fx and is provided so as to extend in the Z-axis direction in the XYZ orthogonal coordinate system, is transported in the Z-axis direction by the drive rotation of the stepping motor Mz. Fixed to the Z-axis direction transfer body Fz and the Z-axis direction transfer body Fz.
The above-mentioned transfer body Fyb in the Y-axis direction that is transferred in the Y-axis direction by the driving rotation of the stepping motor My along the rail member Ry provided so as to extend in the Y-axis direction in the orthogonal coordinate system. It is configured.

Therefore, the drive unit DRA of the light source in the XYZ plotter shown in FIG. 13 is supplied with the respective stepping motors Mx, Myb, Mz in the above-mentioned respective transfer bodies Fx, Fyb, Fz in the X, Y, Z axis directions from the computer. By being rotationally driven according to the drive signal, the transfer body Fyb in the Y-axis direction has the lowest end Fybe as the lowest end immediately before contact with the surface of the cylindrical / convex lens / array plate CLA, and in the Z-axis direction. The transfer body Fz is a rail member R
Within the movable range in the vertical direction with the position reaching the upper end of z as the upper end, and the range in which each transfer body Fx, Fyb can move back and forth and left and right along the rail members Rx, Ry, The displacement can be driven to any position in the three-dimensional space in front of the convex lens array plate CLA.

The XYZ plotter of the configuration example shown in FIG. 13 is an example in the case of being configured as an XYZ plotter of the same configuration mode as the XYZ plotter of the configuration mode described with reference to FIGS. 40 and 41. The luminous flux emitted from the light source PSI, that is, the luminous flux PL diverging only in the X-axis direction and having a fan-shaped cross-section and parallel to the XZ plane, has a thickness in the Y-axis direction that is a cylindrical convex lens. One cylindrical in the array plate CLA. A light beam that is made smaller than the lens width of the convex lens is made to diverge from the condensing point PSI of the optical system Lc, and the light source PSI is cylindrical. When the convex lens array CLA is displaced within a predetermined range in the three-dimensional space in which it exists, a linear visual field in which both eyes should be placed during reproduction 23 position of the guide rod 3 in the figure)
And the surface containing the light source PSI at that time is cylindrical.
According to the above-mentioned formula (1) for the position information in the Y-axis direction so that recording is performed in the portion of the photosensitive recording member PSM corresponding to the area of the line intersecting with the surface of the convex lens array CLA. The three-dimensional image is recorded with the correction of the relationship as described above.

By controlling the light emission state of the light source PSI by the computer, the shape of the three-dimensional image to be recorded is within a predetermined range in the three-dimensional space in which the cylindrical convex lens array CLA exists. It may be displayed as a continuous linear light path, or the shape of a three-dimensional image to be recorded may be displayed by an array of light spots. The image of the light source in the three-dimensional space in which the cylindrical convex lens array CLA is recorded on the photosensitive recording member PSM installed on the focal plane of the cylindrical convex lens array CLA in the recording mode is the photosensitive recording member PSM. If is a positive type, developing it will make only the image part of the light source transparent and the other parts black. It is developed as embodiments.

By the way, in the XYZ plotter of the present invention shown in the thirteenth embodiment, the direction of divergence of the divergent light flux emitted from the light source PSI which is displacement-driven in the three-dimensional space by the driving device DRA as described above is the light source PSI in the space. Is limited according to the position of the light source P.
The limiting operation for the direction of divergence of the divergent light flux emitted from SI is performed by the slit 14 in the movable slit plate Sx in the X-axis direction.

The movable slit plate Sx in the X-axis direction described above is
The movable body Fyb in the axial direction is supported by being loosely supported in the through holes formed in the two wall surfaces facing each other in the X-axis direction of the movable slit plate Sx. A rack 10 is engraved on one side edge.

In the configuration example shown in the thirteenth embodiment, the movable slit plate Sx is provided in the passage of the light flux emitted from the convex lens Lc housed in the transport body Fyb in the Y-axis direction. The movable slit plate S described above
x may be provided at another portion in the path of the light flux between the laser light source 4 and the surface of the cylindrical / convex lens / array plate CLA.

A pinion Gx, which is rotationally driven by a motor Msx, is meshed with the rack 10 formed on one side edge of the movable slit plate Sx.
x is fixed to the outer wall of the transfer body Fyb in the Y-axis direction.

14 (a) and 14 (b) illustrate the configuration of the movable slit plate Sx provided in the vicinity of the lower end of the transfer body Fyb in the Y-axis direction in the XYZ plotter shown in FIG. FIG. 14A is a side view of the portion near the lower end of the transfer body Fyb in the Y-axis direction as viewed from the right side to the left side in FIG. 13 in the X-axis direction. Further, FIG. 14 (b) shows the transfer body Fyb in the Y-axis direction.
FIG. 14 is a rear view of a portion near the lower end of FIG. 13 when viewed from the lower side to the upper side in FIG. 13 in the Z-axis direction.

In the XYZ plotter shown in FIG. 13, when the light source PSI is near the central portion of the cylindrical / convex lens / array plate CLA, the slit plate Sx described above is used.
Is arranged such that its slit 14 is located at the center of the cross section of the transfer body Fyb in the Y-axis direction, and the light source PSI is from the center to the end of the cylindrical / convex lens / array plate CLA. The position of the slit 14 of the slit plate Sx also moves toward the end of the cross section of the transfer body Fyb in the Y-axis direction as the position of the slit light source PSI changes. The amount of movement of the slit plate Sx is determined by the control signal supplied to the motor Msx under the control of the computer.

As a result, the XYZ plotter having the configuration shown in FIG.
Cylindrical / convex lens / array plate having a focal plane on a plane including arbitrary two coordinate axes in an X, Y, Z orthogonal coordinate system, and photosensitive recording provided substantially on the focal plane of the cylindrical / convex lens / array plate described above. Assuming a member and a surface parallel to the focal plane of the cylindrical convex lens array plate described above, as a direction orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array plate described above with respect to the assumed surface. As a fan-shaped light beam that diverges only in the specified direction, a light beam that has been focused by an optical system and then diverged is used, and the focus point is used as a divergent light source for recording, and the light is focused by the optical system described above. The divergent light source for recording formed at the light spot is
In the information of the position of each point of the three-dimensional image to be recorded in the three-dimensional space where the convex lens / array plate is installed, the coordinate axis in the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate Other 2 except location information about
Means for three-dimensionally displacing in such a manner that the positional information about one coordinate axis is correctly shown, and the cylindrical / convex lens array in the three-dimensional space in which the cylindrical / convex lens array plate is installed. There is a linear visual field set on a plane parallel to the focal plane of the plate in a direction orthogonal to the extending direction of the cylindrical axis of the cylindrical convex lens array plate and the cylindrical convex lens array plate 3 The planes respectively formed by the respective points of the three-dimensional image to be recorded in the three-dimensional space and the substantially straight lines formed by intersecting the surface of the cylindrical / convex lens / array plate described above The linear region formed on the photosensitive recording member placed approximately on the focal plane of the cylindrical / convex lens / array plate And a means for performing recording in the portion of 3) within the moving range of the recording divergent light source formed by the above-mentioned cylindrical / convex lens / array plate at the converging point by the optical system. An XYZ plotter installed in a three-dimensional space, wherein a plurality of photosensitive recording members to be installed on substantially the focal plane of the cylindrical convex lens array plate are provided in the cylindrical convex lens array plate. When the individual area of each cylindrical / convex lens is set to have a one-to-one correspondence with each of the above-mentioned cylindrical / convex lenses with the same planar shape size as that of each individual one of the cylindrical / convex lenses, the photosensitivity as described above is set. Each area set on the recording member has a cylindrical shape other than the cylindrical / convex lens corresponding to that area. At the position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in front of the cylindrical / convex lens / array plate so that the light passing through the cull / convex lens is not incident. Limit the divergence range of the light beam diverged in a fan shape from the divergence light source for recording formed at the converging point by the optical system in the direction orthogonal to the extending direction of the cylindrical axis of the cylindrical convex lens array plate. In the XYZ plotter provided with the means, the divergent light emitted from the recording divergent light source formed at the converging point by the optical system is projected on the cylindrical / convex lens / array plate and the center of the area A straight line passing through the center of divergence is on the plane parallel to the focal plane of the cylindrical / convex lens / array plate described above, and the linear viewing area described above. Assuming a plane parallel to the focal plane of the above-mentioned cylindrical / convex lens / array plate so as to substantially intersect a straight line orthogonal to the midpoint, the above-mentioned cylindrical / convex lens / The cylindrical convex lens described above corresponds to the center position of the divergent light emitted from the recording divergent light source formed at the condensing point of the optical system in the direction orthogonal to the extending direction of the cylindrical axis in the array plate. The XYZ plotter is designed to incline a straight line that passes through the center of the area projected on the array plate and the center of divergence of the light source, and the three-dimensional image recorded by this XYZ plotter is used. When reproduced, the viewing area in the portion close to the reproduced three-dimensional image is not wider than that of the already proposed XYZ plotter. It's that.

As described above, in the XYZ plotter of the present invention, the stereoscopic image taking lens plate including a plurality of lenses whose focal plane is a plane including two coordinate axes in the X, Y, Z orthogonal coordinate system, and the above-mentioned stereoscopic image taking lens. An XYZ plotter comprising a photosensitive recording member installed substantially on the focal plane of the plate, and means for three-dimensionally displacing the light source within the three-dimensional space in front of the lens plate for taking a stereoscopic image, With the center of divergence in a light source that emits divergent light having a predetermined cross-sectional shape set at a position corresponding to a three-dimensional image to be recorded, the light source is turned on, and the lens plate for stereoscopic image photographing described above. Is installed in a three-dimensional space in which the position of the center of the divergent light having a predetermined cross-sectional shape emitted from the light source is changed, and the divergent light emitted from the light source is Three-dimensional image A straight line passing through the center of the area projected on the lens plate for shadowing and the center of divergence of the above-mentioned light source, as shown in, for example, FIG. 1 to FIG. 5 and FIG. 6 and 9 compared to the viewing zone as illustrated in FIG. 10 for the previously proposed XYZ plotter by tilting in correspondence with the center of divergence at. Like the viewing zone, the width of the viewing zone near the reproduced image can be greatly expanded.

(Effects of the Invention) As is clear from the above description, the XYZ plotter of the present invention has a stereoscopic image taking lens plate including a plurality of lenses, and a substantially focal plane of the stereoscopic image taking lens plate. In the XYZ plotter, which comprises a photosensitive recording member installed on the XYZ plotter and means for three-dimensionally displacing the light source within the three-dimensional space in front of the lens plate for stereoscopic image taking described above, divergence of a predetermined cross-sectional shape With the center of divergence in the light source that emits light set to the position corresponding to the three-dimensional target for recording, the light source is turned on, and the lens plate for stereoscopic image capturing is emitted from the light source. The divergent light emitted from the light source is placed in a three-dimensional space in which the position of the center of the divergent light having a predetermined cross-sectional shape is changed, and the divergent light emitted from the light source is on the lens plate for stereoscopic image capturing. Throw in An XYZ plotter in which a straight line passing through the center of the shaded area and the center of divergence in the light source is tilted corresponding to the position of the center of divergence in the light source,
And a fly-eye lens plate, a photosensitive recording member installed on substantially the focal plane of the fly-eye lens plate, and an object of recording in a three-dimensional space in which the fly-eye lens plate is installed And a means for three-dimensionally displacing the point light source turned on at a position corresponding to the shape of the three-dimensional image to be displayed. It is designed to record with a photosensitive recording member which is installed substantially on the focal plane, and diverges from a point light source used to form a locus of a light spot corresponding to a three-dimensional image to be recorded. As the light, divergent light from a condensing point obtained by converging the light of an arbitrary light source by an optical system is used, and the fly eye lens plate is within the moving range of the condensing point of the optical system. An XYZ plotter designed to be installed in a three-dimensional space Then, with respect to the photosensitive recording member to be installed substantially in the focal plane of the fly-eye lens plate, which is composed of an array set of a number of individual-eye lenses, each individual eye in the fly-eye lens plate described above. Individual areas such as the one-to-one correspondence with the existence area of each individual lens described above with the same plane shape size as the existence area of the individual lens which the lens individually occupies in the fly-eye lens. When set, the light passing through the individual lenses other than the individual lenses corresponding to the individual areas is not incident on the individual areas set on the photosensitive recording member as described above. As described above, in the XYZ plotter provided with the means for limiting the divergence direction of the light from the condensing point, the divergent light from the condensing point obtained by focusing the light of the arbitrary light source by the optical system is a fly. On the eye lens plate A straight line passing through the center of the projected area and the center of divergence in the light source passes through a point at a predetermined distance substantially in the center of the fly-eye lens plate, so that the center of divergence in the light source is The divergent light from the condensing point where the light from the arbitrary light source is focused by the optical system corresponding to the position is divided into the center of the area where the divergent light is projected on the fly's eye lens plate and the center of the divergence in the light source. An XYZ plotter that tilts a passing straight line, and a cylindrical / convex lens array plate,
Assuming a surface parallel to the focal plane of the cylindrical / convex lens / array plate and the photosensitive recording member installed approximately on the focal plane of the cylindrical / convex lens / array plate, the assumed plane As a fan-shaped light beam that diverges only in a direction assumed as a direction orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array plate described above, the light beam that is diverged after being focused by the optical system is The divergence light source for recording is used as the condensing point, and the divergence light source for recording formed at the condensing point by the optical system is used in the three-dimensional space in which the cylindrical / convex lens / array plate is installed. In the information of the position of each point of the three-dimensional image to be recorded in, the coordinate axis in the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate is Means for three-dimensionally displacing the position information about the other two coordinate axes excluding all position information, and the three-dimensional space in which the cylindrical / convex lens / array plate is installed. The cylindrical visual field which is set in a direction orthogonal to the extending direction of the cylindrical axis of the cylindrical convex lens array plate, which is parallel to the focal plane of the cylindrical convex lens array plate, and the cylindrical convex lens. -A plane formed by the respective points of the three-dimensional image to be recorded in the three-dimensional space where the array plate exists and each of which is formed by intersecting the surface of the cylindrical lens, the convex lens, and the array plate described above. It corresponds to a straight line, and is formed on a photosensitive recording member that is installed approximately on the focal plane of a cylindrical lens, a convex lens, and an array plate. And a means for allowing recording to be performed in the portion of the linear area, and the movement of the divergent light source for recording formed at the condensing point by the above-mentioned optical system by the cylindrical / convex lens / array plate. An XYZ plotter adapted to be installed in a three-dimensional space within a range, wherein a cylindrical recording lens, a convex lens, a cylindrical lens, a convex lens, and a photosensitive recording member which are to be installed substantially at the focal plane of the array plate. When the individual areas are set so as to have a one-to-one correspondence with the individual individual cylindrical / convex lenses described above with the same planar shape and size as the individual individual ones of the plurality of cylindrical / convex lenses in the array plate, As described above, each area set on the photosensitive recording member has a cylindrical / convex lens or more corresponding to each area. The cylindrical / outer cylindrical / cylindrical / outer cylindrical so that the light passing through the convex lens is not incident.
Cylindrical / convex lens from a diverging light source for recording formed at a condensing point by the optical system at a position corresponding to the shape of the three-dimensional image to be recorded in the three-dimensional space in front of the convex lens / array plate XY provided with means for limiting the divergence range of the luminous flux diverging in a fan shape in the direction orthogonal to the extending direction of the cylindrical axis of the array plate
In the Z plotter, the center of the area where the divergent light emitted from the divergent light source for recording formed on the condensing point by the optical system is projected on the cylindrical / convex lens array plate and the center of the divergence in the above-mentioned light source. A straight line passing through the above-mentioned cylindrical / convex lens / array plate is parallel to the focal plane of the array plate, and substantially intersects with a straight line orthogonal to the midpoint of the above-mentioned linear viewing area. Assuming a plane parallel to the focal plane of the convex lens array plate, the condensing point by the optical system in the direction perpendicular to the extending direction of the cylindrical axis of the cylindrical convex lens array plate described above with respect to the assumed plane. In accordance with the center position of the divergent light emitted from the divergent light source for recording formed on the above, it is projected on the above-mentioned cylindrical convex lens array plate. Since this is an XYZ plotter in which a straight line passing through the center of the area and the center of divergence of the above-mentioned light source is tilted, according to the XYZ plotter of the present invention, the three-dimensional image to be recorded is a fly's eye lens. Of a spurious image or a ghost image when reproducing what is recorded on a photosensitive recording member by drawing with light in the space before and after the lens plate for stereoscopic images such as a plate, a cylindrical lens, a convex lens, and an array plate exists. Since the visual field in which the reproduced image can be recognized from the vicinity thereof in the absence of the image can be made much wider than the visual field in the case of the already proposed XYZ plotter described above, according to the present invention, It is possible to observe a correct reconstructed image over a wide range near an object where you can strongly feel the stereoscopic effect as you are experiencing. Than it is resolved.

[Brief description of drawings]

1 to 5 and 7 are side views for explaining the configuration principle and operation principle of the XYZ plotter of the present invention, and FIG.
FIGS. 9 and 10 are views for explaining the viewing zone, FIG. 8 is a side view for explaining the recording area in the case of one embodiment, and FIGS. 11 and 13 are respectively the XYZ plotter of the present invention. FIG. 12 is a perspective view showing a schematic structure of a different embodiment, FIG. 12 is a side view and a plan view for explaining the structure and operation of the main part of the XYZ plotter of the present invention shown in FIG. 11, and FIG. 14 is FIG. The side view and the plan view for explaining the configuration and operation of the main part of the XYZ plotter of the present invention shown in FIG. 15 are the schematic configuration of the already proposed XYZ plotter, FIG. 15, FIG. 23, FIG. 33, and FIG. The perspective views shown in FIGS. 16 to 22, 24 to 32, 34 to 39, and 41 are views for explaining the recording and reproducing operation of the three-dimensional image. MB ... Machine stand, FEL ... Fly's eye lens plate, PSM ... Photosensitive recording member, PSMp ... Recorded photosensitive recording member, PPS,
PIS, PIS '... Point light source, DRA ... Driving device, Rx,
Ry, Rz ... Rail member, Mx, My, Mz ... Stepping motor, Fx, Fy, Fyb, Fz ... Transport body, P
SIp ... Reconstructed image of point light source PIS, PPSp ... Point light source PP
Reproduced image of S, SM ... Limiting member for diverging direction of light with respect to light emitted from point light source PPS, Lc ... Optical system, CLA ...
Cylindrical, convex lens array plate, SL, PSI,
PSI '... Light source, aip, bip, cip, dip ... Reproduced image of light source SL, Sx, Sy, Sxy ... Slit plate, Gx, Gy
... Pinion, Msx, Msy ... Motor, 1, 2 ... Strut,
3 ... Guide rod, 4 ... Laser light source, 5 ... Cylindrical lens (cylindrical lens), 6 ... Pin, 7 ... Support member, 8 ... Long holes formed in the support member 7, 10, 11 ... Rack,
12-15 ... slits,

Claims (3)

[Claims] 1. A stereoscopic image taking lens plate composed of a plurality of lenses, a photosensitive recording member provided on a substantially focal plane of the stereoscopic image taking lens plate, and the stereoscopic image taking lens plate. In an XYZ plotter having means for displacing a light source three-dimensionally in a three-dimensional space on the front surface, the center of divergence in a light source that emits divergent light with a predetermined cross-sectional shape is a three-dimensional object to be recorded. The light source is turned on at a position corresponding to the image, and the stereoscopic image taking lens plate is set as a change range of the position of the center of divergent light having a predetermined cross-sectional shape emitted from the light source. There is 3
A straight line that is installed in a three-dimensional space and that passes through the center of the area where the divergent light emitted from the light source is projected onto the stereoscopic image taking lens plate and the center of divergence in the light source. Is inclined corresponding to the position of the center of divergence in the above-mentioned light source.
Plotter. 2. A three-dimensional space in which a fly-eye lens plate, a photosensitive recording member installed on the focal plane of the fly-eye lens plate, and the fly-eye lens plate are installed. And a means for three-dimensionally displacing the point light source that is turned on at a position corresponding to the shape of the three-dimensional image to be recorded by the above-mentioned fly's path. A point used for forming a locus of light spots corresponding to a three-dimensional image to be recorded, which is designed to be recorded by a photosensitive recording member installed substantially on the focal plane of the lens plate. As the divergent light from the light source, the divergent light from the condensing point where the light of any light source is focused by the optical system is used, and the fly eye lens plate described above is used as the converging point of the optical system. XYZ designed to be installed in a three-dimensional space within the movement range Regarding the photosensitive recording member that is a lotter and is to be installed at approximately the focal plane of the fly-eye lens plate, which is composed of an array set of a large number of individual lenses, in the fly-eye lens plate described above. Each individual lens has the same plane shape dimension as the existence area of the individual lens individually occupied in the fly's eye lens. When the area is set, the light passing through the individual lenses other than the individual lenses corresponding to the individual areas is not incident on the individual areas set in the photosensitive recording member as described above. As described above, in the XYZ plotter having means for limiting the divergence direction of the light from the condensing point, the divergent light from the condensing point obtained by converging the light of the arbitrary light source by the optical system. Is a fly A straight line passing through the center of the area projected on the plate and the center of divergence in the light source, so that it passes through a point at a predetermined distance in the approximate center of the fly-eye lens plate, The divergence of the divergent light from the above-mentioned light source with the center of the area where the divergent light from the condensing point obtained by converging the light of the above-mentioned arbitrary light source by the optical system corresponding to the position of the center of the divergence An XYZ plotter characterized by inclining a straight line passing through the center of 3. A cylindrical / convex lens array plate,
Assuming a surface parallel to the focal plane of the cylindrical / convex lens / array plate and the photosensitive recording member installed approximately on the focal plane of the cylindrical / convex lens / array plate, the assumed plane As a fan-shaped light beam that diverges only in the direction defined as the direction orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array plate described above, the light beam that is diverged after being focused by the optical system is The converging point is used as a diverging light source for recording, and the diverging light source for recording formed at the converging point by the optical system is used in the three-dimensional space in which the cylindrical / convex lens / array plate is installed. In the information of the position of each point of the three-dimensional image to be recorded in, the coordinate axis in the extending direction of the cylindrical axis of the cylindrical / convex lens / array plate is Means for three-dimensionally displacing the position information about the other two coordinate axes excluding all position information, and the three-dimensional space in which the cylindrical / convex lens / array plate is installed. The cylindrical visual field set in the direction orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array plate described above with respect to the plane parallel to the focal plane of the cylindrical convex lens array plate A plane formed by each point of the three-dimensional image to be recorded in the three-dimensional space in which the convex lens array plate is present is formed so as to intersect the surface of the cylindrical convex lens array plate described above. Photosensitivity set approximately at the focal plane of the cylindrical / convex lens / array plate described above in correspondence with the substantially straight line The recording member is provided with a means for recording in a linear region formed on the recording member, and the cylindrical / convex lens / array plate described above is formed at a condensing point by the optical system. The XYZ plotter is arranged in a three-dimensional space within the moving range of the divergent light source, and the photosensitive recording member to be arranged substantially on the focal plane of the cylindrical convex lens array plate is described above. In the cylindrical / convex lens / array plate, an individual area such as one-to-one correspondence with each of the cylindrical / convex lenses described above is set with the same planar shape size as that of each of the large number of cylindrical / convex lenses. Occasionally, the individual areas set on the photosensitive recording member as described above are provided with cylindrical cylinders corresponding to the individual areas. The shape of the three-dimensional image to be recorded in the three-dimensional space in front of the cylindrical / convex lens / array plate described above so that the light passing through the cylindrical / convex lens other than the convex / convex lens is not incident. From the diverging light source for recording formed at the condensing point by the optical system at the position corresponding to
In an XYZ plotter having means for limiting the divergence range of a fan-shaped light beam in the direction orthogonal to the extending direction of the cylindrical axis of the array plate, an XYZ plotter for recording is formed at a condensing point by an optical system. A straight line passing through the center of the area where the divergent light emitted from the divergent light source is projected on the cylindrical / convex lens / array plate and the center of divergence of the light source is parallel to the focal plane of the cylindrical / convex lens / array plate. On a plane, so as to substantially intersect the straight line orthogonal to the midpoint of the linear viewing area, when assuming a surface parallel to the focal plane of the cylindrical convex lens array plate, About the assumed surface, it was formed at the condensing point by the optical system in the direction orthogonal to the extending direction of the cylindrical axis in the cylindrical convex lens array plate described above. Corresponding to the position of the center of the emitted divergent light from the divergent light source for recording, cylindrical-described above
An XYZ plotter characterized in that a straight line passing through the center of the area projected on the convex lens array plate and the center of divergence of the light source is inclined.