CN114355718A - Portable 3D image imaging device - Google Patents
Portable 3D image imaging device Download PDFInfo
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- CN114355718A CN114355718A CN202210021111.5A CN202210021111A CN114355718A CN 114355718 A CN114355718 A CN 114355718A CN 202210021111 A CN202210021111 A CN 202210021111A CN 114355718 A CN114355718 A CN 114355718A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention discloses a portable 3D image imaging device, which comprises a first projection assembly, a second projection assembly, a third projection assembly and a fourth projection assembly, wherein the first projection assembly is used for projecting a three-dimensional image; the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly are sequentially connected in a telescopic manner; when the projection surface of the first projection assembly, the projection surface of the second projection assembly, the projection surface of the third projection assembly and the projection surface of the fourth projection assembly are unfolded, the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly form a cube which is communicated up and down. The invention facilitates the assembly and the storage of the 3D holographic image scene and has high portability.
Description
The present application is a divisional application based on the parent application of the invention patent with the filing date of 2020, 09/25, application number of 2020110203239, entitled "a 3D hologram device".
Technical Field
The invention relates to the technical field of 3D images, in particular to a portable 3D image imaging device.
Background
To realize holographic images, a deep-view projection booth is generally constructed by a curtain, a plurality of light sources, and the like. The existing deep-scene projection environment is usually built by spending a large amount of manpower and material resources, the projection shed is inconvenient to carry, and the projection shed needs to be built again when being applied to different scenes every time, so that the efficiency is low.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a portable 3D image imaging device is provided to improve the portability of a projection booth.
In order to solve the technical problems, the invention adopts the technical scheme that:
a portable 3D image imaging device comprises a first projection assembly, a second projection assembly, a third projection assembly and a fourth projection assembly;
the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly are sequentially connected in a telescopic manner;
when the projection surface of the first projection assembly, the projection surface of the second projection assembly, the projection surface of the third projection assembly and the projection surface of the fourth projection assembly are unfolded, the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly form a cube which is communicated up and down.
The invention has the beneficial effects that: the four telescopic projection components are arranged, so that the storage is convenient; when projection is needed, the projection surfaces of the four projection assemblies are sequentially unfolded to form a cube, so that the projector can respectively project on the four surfaces. The portable deep-scene projection device is formed by the four telescopic projection components, so that the projection effect is ensured, and the portable deep-scene projection device is convenient to store and carry.
Drawings
Fig. 1 is a schematic structural diagram of a portable 3D imaging device in a fully unfolded state according to an embodiment of the present invention;
fig. 2 is a top view of a portable 3D imaging device in a fully stored state according to an embodiment of the invention;
fig. 3 is a top view of a portable 3D imaging device in a fully unfolded state according to an embodiment of the invention;
FIG. 4 is a front view of FIG. 1;
FIG. 5 is a cross-sectional view of a second embodiment of the present invention with the spool in a restrained position;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a sectional view of a reel in a rotatable state, in which rolling elements are steel balls according to a second embodiment of the present invention;
fig. 8 is an enlarged view of a portion B of fig. 7;
FIG. 9 is a sectional view of a second embodiment of the present invention in which the rolling elements are ball bearings and the spool is rotatable;
fig. 10 is an enlarged view of a portion C in fig. 9.
Description of reference numerals:
1. a first projection assembly; 11. a projection surface of the first projection assembly; 12. a first curtain; 13. a first winder; 131. a housing; 132. a reel; 133. a sliding assembly; 1311. a slider; 1312. a control lever; 1313. accommodating grooves; 1314. a circular truncated cone-shaped protrusion; 134. an upper support table; 1341. a limiting groove; 135. a lower support table; 1351. a chute; 1352. a switch slot; 136. a rotating shaft; 137. a first anti-slip portion; 138. a second anti-slip portion; 139. a rolling body;
2. a second projection assembly; 21. a projection surface of a second projection assembly;
3. a third projection assembly; 31. a projection surface of a third projection assembly; 32. a flexible scale;
4. a fourth projection assembly; 41. and the projection surface of the fourth projection assembly.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 10, a portable 3D image imaging device includes a first projection module, a second projection module, a third projection module, and a fourth projection module;
the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly are sequentially connected in a telescopic manner;
when the projection surface of the first projection assembly, the projection surface of the second projection assembly, the projection surface of the third projection assembly and the projection surface of the fourth projection assembly are unfolded, the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly form a cube which is communicated up and down.
The working principle of the invention is as follows:
the deep-view projection scene is built through the four telescopic projection assemblies, so that the deep-view projection scene can be stored and is convenient to carry.
From the above description, the beneficial effects of the present invention are: the four telescopic projection components are arranged, so that the storage is convenient; when projection is needed, the projection surfaces of the four projection assemblies are sequentially unfolded to form a cube, so that the projector can respectively project on the four surfaces. The portable deep-scene projection device is formed by the four telescopic projection components, so that the projection effect is ensured, and the portable deep-scene projection device is convenient to store and carry.
Furthermore, the projection surface of the first projection assembly is a black opaque curtain, and the projection surface of the third projection assembly is a transparent grid curtain.
As can be seen from the above description, the projection plane of the first projection module is a black opaque screen, and the projection plane of the third projection module is a transparent mesh screen, so that a holographic image can be realized in one direction.
Furthermore, the projection plane of first projection subassembly, the projection plane of second projection subassembly, the projection plane of third projection subassembly and the projection plane of fourth projection subassembly are transparent net curtain, just the projection plane top of first projection subassembly, the projection plane top of second projection subassembly, the projection plane top of third projection subassembly and the projection plane top of fourth projection subassembly all are provided with light subassembly.
As can be known from the above description, four projection surfaces are transparent grid curtains, and the top of four projection surfaces all is provided with light subassembly, can follow four directions and carry out the projection simultaneously, makes the holographic image third dimension better, optimizes visual effect.
Further, the first projection assembly comprises a first curtain and a first winder;
one end of the first curtain is connected with the fixed end of the fourth projection assembly, and the other end of the first curtain can be accommodated in the first winder through winding.
As can be seen from the above description, the first winding device is provided for winding and accommodating the first screen cloth, so as to realize the accommodation of the first projection assembly.
Further, the first winder comprises a shell, a winding shaft and a sliding assembly;
the scroll is connected with the first screen cloth through a clockwork spring;
an upper supporting table and a lower supporting table are respectively arranged at the upper end and the lower end in the shell;
two ends of the scroll are rotatably inserted in the axes of the upper supporting table and the lower supporting table through a rotating shaft respectively;
when the scroll is pressed against the second anti-skid part on the top of the lower support table through the first anti-skid part, the scroll is limited;
a sliding groove arranged along the longitudinal direction is formed in the axis of one side of the lower supporting platform, which faces the upper supporting platform;
the control end of the sliding assembly is arranged outside the shell, and the sliding end of the sliding assembly is longitudinally embedded in the sliding groove in a sliding manner;
the sliding end of the sliding component is provided with a rolling body for enabling the reel to rotate smoothly at one side facing the rotating shaft.
According to the description, the winding shaft is connected with the first curtain through the clockwork spring, so that the winding shaft has traction force on the curtain, and the first curtain is automatically retracted; the sliding assembly is arranged and used for controlling the distance between the first anti-slip part and the second anti-slip part, and when the first anti-slip part is separated from the second anti-slip part, the reel can smoothly rotate under the assistance of the rolling body, so that the first curtain cloth is unfolded or wound and stored; when first antiskid portion and the contact of second antiskid portion, the spool is spacing, and it is back to retract after avoiding first curtain to be pulled open, can be used for adjusting the development length of first curtain.
Further, the sliding assembly comprises a sliding block and a control rod;
the rolling bodies are arranged on the sliding body in a uniformly distributed manner around the axis of the sliding body;
a horizontally arranged switch slot is formed in the side wall of the sliding slot;
one end of the control rod is positioned outside the shell, and the other end of the control rod penetrates through the switch groove to be connected with the sliding block;
the rolling body has a first distance with the bottom of the rotating shaft in the Z-axis direction;
the control rod has a second distance with the side wall of the switch slot in the Z-axis direction;
the first distance is less than or equal to the second distance.
Known by the above description, through the control lever, can control the sliding block more conveniently and fast in the ascending position of Z axle direction, make the sliding block can support and press in the pivot, drive the spool and shift up, reduce the rotatory frictional force of pivot greatly, and then make the flexible distance of first curtain can be adjusted.
Further, the rolling bodies are steel balls.
As can be seen from the above description, the rolling bodies are steel balls, which can reduce the friction force during the rotation of the rotating shaft.
Further, the rolling body is a ball bearing;
the rotating shaft can be inserted into the rolling body, and the height of the rotating shaft in the Z-axis direction is smaller than that of the rolling body in the Z-axis direction.
As can be seen from the above description, the provision of the ball bearing greatly reduces the friction during rotation of the shaft.
Furthermore, a limit groove is formed in one side, facing the lower support table, of the upper support table;
the rotating shaft at the top of the scroll is rotatably inserted into the limiting groove, and the rotating shaft and the limiting groove are provided with springs in the Z-axis direction.
As can be seen from the above description, a spring is provided for urging the reel to move downward when the external force is removed, so that the reel is kept in a stationary state.
It should be noted that the direction indicated by the arrow in fig. 1 is the moving direction of each projection surface during the storage process.
Example one
Referring to fig. 1 to 4, a portable 3D image imaging apparatus includes a first projection assembly 1, a second projection assembly 2, a third projection assembly 3, and a fourth projection assembly 4; the first projection assembly 1, the second projection assembly 2, the third projection assembly 3 and the fourth projection assembly 4 are sequentially connected in a telescopic manner; when the projection plane 11 of the first projection assembly, the projection plane 21 of the second projection assembly, the projection plane 31 of the third projection assembly and the projection plane 41 of the fourth projection assembly are unfolded, the first projection assembly 1, the second projection assembly 2, the third projection assembly 3 and the fourth projection assembly 4 form a cube which is communicated up and down; the top of the projection surface 11 of the first projection assembly is also provided with a light assembly, and the projection surface 31 of the third projection assembly is a transparent curtain. Specifically, when the projector needs to be stored, the first projection assembly 1, the second projection assembly 2, the third projection assembly 3 and the fourth projection assembly 4 retract in sequence along the clockwise direction. In this embodiment, to realize 3D holographic projection, a projector is disposed outside the portable 3D imaging device, and a distance is provided between the projector and the projected surface, and the projection direction of the projector should be opposite to the projection surface 31 of the third projection component. Optionally, the projection plane 11 of the first projection module is a black opaque screen, and the projection plane 31 of the third projection module is a transparent mesh screen. In order to improve the overall stability, a base 5 can be additionally arranged at the bottom of each projection assembly, and each projection assembly is inserted into the corresponding base 5.
Example two
Referring to fig. 1-10, the first projection assembly 1 includes a first curtain 12 and a first winder 13; one end of the first curtain 12 is connected to the fixed end of the fourth projection assembly 4, and the other end of the first curtain 12 can be accommodated in the first winder 13 by winding.
Referring to fig. 5, the first winder 13 includes a housing 131, a reel 132, and a slider assembly 133; the winding shaft 132 is connected to the first screen cloth 12 by a clockwork spring; an upper supporting table 134 and a lower supporting table 135 are respectively arranged at the upper end and the lower end in the shell 131; two ends of the scroll 132 are rotatably inserted into the axes of the upper support table 134 and the lower support table 135 through a rotating shaft 136; when the reel 132 is pressed against the second anti-slip part 138 on the top of the lower support table 135 through the first anti-slip part 137, the reel 132 is limited; a sliding groove 1351 arranged along the longitudinal direction is formed in the axle center of one side of the lower supporting platform 135, which faces the upper supporting platform 134; the control end of the sliding component 133 is arranged outside the shell 131, and the sliding end of the sliding component 133 can be longitudinally and slidably embedded in the sliding groove 1351; the sliding end of the sliding unit 133 has a rolling body 139 for smoothly rotating the spool 132 on a side facing the rotation shaft 136. The upper supporting platform 134 has a limiting groove 1341 on one side facing the lower supporting platform 135. The outer diameter of the rotating shaft 136 in the sliding groove 1351 is matched with the inner diameter of the sliding groove 1351, and the outer diameter of the rotating shaft 136 in the limiting groove 1341 is matched with the inner diameter of the limiting groove 1341. Preferably, the first anti-skid portion 137 and the second anti-skid portion 138 are both rubber gaskets, the first anti-skid portion 137 is bonded to the bottom of the rotating shaft, and the second anti-skid portion 138 is bonded to the top of the lower support platform 135; the shaft 136 is integrally formed with the spool 132.
Specifically, in order to adjust the distance between the projection plane 11 of the first projection assembly and the projection plane 31 of the third projection assembly, the flexible ruler 32 is arranged at the bottom of the projection plane 21 of the second projection assembly and the bottom of the projection plane 41 of the fourth projection assembly, so as to know the length of the projection planes, further keep the same extension length of the projection plane 21 of the second projection assembly and the projection plane 41 of the fourth projection assembly, and ensure that the projection plane 11 of the first projection assembly and the projection plane 31 of the third projection assembly are in a parallel state.
Referring to fig. 5-10, the slide assembly 133 includes a slide block 1311 and a lever 1312; the rolling elements 139 are provided in plurality, and the rolling elements 139 are disposed on the slider so as to be evenly distributed around the axis of the slider; a switch groove 1352 is horizontally arranged on the side wall of the chute 1351; one end of the control rod 1312 is positioned outside the housing 131, and the other end of the control rod 1312 passes through the switch slot 1352 and is connected with the sliding block 1311; the rolling body 139 has a first distance a from the bottom of the rotating shaft 136 in the Z-axis direction; the lever 1312 has a second distance b in the Z-axis direction from the sidewall of the switch slot 1352; the first distance a is less than or equal to the second distance b. Preferably, the slider 1311 is integrally formed with the lever 1312. Optionally, the rolling elements 139 are steel balls or ball bearings. When the rolling elements 139 are steel balls, the surface of the sliding block 1311 is provided with a plurality of receiving grooves 1313 disposed around the axis of the sliding body, the opening diameter of the receiving grooves 1313 is smaller than the diameter of the body of the receiving grooves 1313, the opening diameter is smaller than the diameter of the rolling elements 139, and the bottom of the receiving grooves 1313 is provided with a circular truncated cone-shaped protrusion 1314, the protruding axis and the spherical center are located on the same straight line in the Z-axis direction, when the rotating shaft 136 abuts against the surface of the rolling elements 139, the contact area between the rolling elements 139 and the receiving grooves 1313 is reduced, and the friction force between the rotating shaft 136 and the rolling elements 139 can be reduced. Preferably, a compression spring can be arranged at the bottom of the sliding block 1311 to provide a supporting force when the sliding block 1311 moves upwards, but when the sliding block 1311 presses the top of the compression spring, the first distance is larger than 0. When the rolling elements 139 are ball bearings, the rotating shaft 136 can be inserted into an inner ring of the rolling elements 139, the bottom of the reel 132 is pressed against an outer ring of the rolling elements 139, the height of the rotating shaft 136 in the Z-axis direction is smaller than that of the rolling elements 139 in the Z-axis direction, and the outer ring of the rolling elements 139 is welded or bonded to the sliding block 1311.
Specifically, the connection modes of adhesion are adopted between the curtain of the first projection assembly 1 and the housing 131 of the fourth projection assembly 4, between the curtain of the second projection assembly 2 and the housing 131 of the first projection assembly 1, between the curtain of the third projection assembly 3 and the housing 131 of the second projection assembly 2, and between the curtain of the fourth projection assembly 4 and the housing 131 of the third projection assembly 3.
The second projection assembly 2, the third projection assembly 3 and the fourth projection assembly 4 have the same structure as the first projection assembly 1, and are not described herein again.
EXAMPLE III
The difference between this embodiment and the second embodiment is that four-side simultaneous projection can be realized.
Preferably, the projection plane 11 of the first projection assembly, the projection plane 21 of the second projection assembly, the projection plane 31 of the third projection assembly, and the projection plane 41 of the fourth projection assembly are all transparent mesh curtains, and the top of the projection plane 11 of the first projection assembly, the top of the projection plane 21 of the second projection assembly, the top of the projection plane 31 of the third projection assembly, and the top of the projection plane 41 of the fourth projection assembly are all provided with a light assembly. Specifically, in this embodiment, projectors are disposed outside the four projection surfaces, and are used to implement simultaneous projection from four directions, so that the 3D hologram imaging effect is further improved, and the specific setting mode refers to the projector setting in the first embodiment.
Example four
The difference between the present embodiment and the second embodiment is that a spring is further provided.
The rotating shaft 136 at the top of the winding shaft 132 is rotatably inserted into the limiting groove 1341, and the rotating shaft 136 and the limiting groove 1341 are provided with a spring in the Z-axis direction, that is, the spring is located between the rotating shaft 136 and the limiting groove 1341 in the Z-axis direction. Preferably, the spring is a compression spring.
In summary, the portable 3D image imaging device provided by the invention is provided with four telescopic projection assemblies, so as to realize sequential telescopic movement in four directions; through the control rod, the reel can be switched between a rotating state and a static state, the distance between two oppositely arranged projection surfaces can be adjusted, and the requirement of a user on the depth of a set can be met. The invention can realize the quick assembly and disassembly of the holographic image scene and has high portability.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A portable 3D image imaging device is characterized by comprising a first projection assembly, a second projection assembly, a third projection assembly and a fourth projection assembly;
the first projection assembly, the second projection assembly, the third projection assembly and the fourth projection assembly are sequentially connected in a telescopic manner;
portable 3D imaging device the portable 3D imaging device.
2. The portable 3D imaging device as claimed in claim 1, wherein the first projection assembly comprises a first curtain and a first winder;
one end of the first curtain is connected with the fixed end of the fourth projection assembly, and the other end of the first curtain can be accommodated in the first winder through winding.
3. The portable 3D imaging device according to claim 2, wherein the first winder includes a housing, a reel and a sliding assembly;
the scroll is connected with the first screen cloth through a clockwork spring;
an upper supporting table and a lower supporting table are respectively arranged at the upper end and the lower end in the shell;
two ends of the scroll are rotatably inserted in the axes of the upper supporting table and the lower supporting table through a rotating shaft respectively;
when the scroll is pressed against the second anti-skid part on the top of the lower support table through the first anti-skid part, the scroll is limited;
a sliding groove arranged along the longitudinal direction is formed in the axis of one side of the lower supporting platform, which faces the upper supporting platform;
the control end of the sliding assembly is arranged outside the shell, and the sliding end of the sliding assembly is longitudinally embedded in the sliding groove in a sliding manner;
the sliding end of the sliding component is provided with a rolling body for enabling the reel to rotate smoothly at one side facing the rotating shaft.
4. A portable 3D imaging device according to claim 3, wherein the sliding assembly comprises a sliding block and a control rod;
the rolling bodies are arranged on the sliding block in a uniformly distributed manner around the axis of the sliding block;
a horizontally arranged switch slot is formed in the side wall of the sliding slot;
one end of the control rod is positioned outside the shell, and the other end of the control rod penetrates through the switch groove to be connected with the sliding block;
the rolling body has a first distance with the bottom of the rotating shaft in the Z-axis direction;
the control rod has a second distance with the side wall of the switch slot in the Z-axis direction;
the first distance is less than or equal to the second distance.
5. The portable 3D imaging device according to claim 3 or 4, wherein the rolling elements are steel balls.
6. The portable 3D imaging device as claimed in claim 3, wherein the rolling element is a ball bearing;
the rotating shaft can be inserted into the rolling body, and the height of the rotating shaft in the Z-axis direction is smaller than that of the rolling body in the Z-axis direction.
7. The portable 3D imaging device according to claim 3, wherein a limiting groove is formed on one side of the upper supporting platform facing the lower supporting platform;
the rotating shaft at the top of the scroll is rotatably inserted into the limiting groove, and the rotating shaft and the limiting groove are provided with springs in the Z-axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021111.5A CN114355718A (en) | 2020-09-25 | 2020-09-25 | Portable 3D image imaging device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210021111.5A CN114355718A (en) | 2020-09-25 | 2020-09-25 | Portable 3D image imaging device |
| CN202011020323.9A CN112099305B (en) | 2020-09-25 | 2020-09-25 | 3D holographic image device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011020323.9A Division CN112099305B (en) | 2020-09-25 | 2020-09-25 | 3D holographic image device |
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| CN114355718A true CN114355718A (en) | 2022-04-15 |
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| CN202210021111.5A Pending CN114355718A (en) | 2020-09-25 | 2020-09-25 | Portable 3D image imaging device |
| CN202011020323.9A Active CN112099305B (en) | 2020-09-25 | 2020-09-25 | 3D holographic image device |
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| RU207254U1 (en) * | 2021-04-14 | 2021-10-20 | Денис Владимирович Гаврилов | HOLOGRAPHIC TETRAHEDRON |
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| Publication number | Publication date |
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| CN112099305B (en) | 2021-11-30 |
| CN112099305A (en) | 2020-12-18 |
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Application publication date: 20220415 |