TWI608286B - 360-degree multi-view projection imaging device - Google Patents

Description

360 degree multi-view projection imaging device

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a projection imaging apparatus, and more particularly to a 360-degree multi-view projection imaging apparatus that utilizes a hood technology with a light slit to provide a stable and clear image content.

It is well known that when a movie or animation image is projected through a projection imaging technology, a continuous static picture is played at a speed of 24 frames per second, and the phenomenon of persistence of vision can be used to make the viewer see the life on the screen. Continuous dynamic picture effects, this limited animation technology has not only become popular, but also affects the future development of the movie entertainment industry.

The projection imaging technology mainly uses a projector to project the image image to be presented, so that the image can be imaged on a display screen, so that many people can view the image content at the same time, and the application field is wide, except that it is suitable for a movie theater. In addition to the projection of the film, it has been widely used in exhibitions, schools or offices. However, the current projection imaging technology uses a fixed display screen for projection, which can be viewed by one or more people only within a predetermined angle range, and one display screen can only project one image content, if simultaneously For many people to view images at different angles of view or play a variety of different video content at the same time, that is, multiple display screens must be prepared to correspond to each projector, and there are more restrictions on the location installation and use location.

In order to solve the above problems, there is currently a display system as shown in FIG. 1 in which a plurality of projectors 100 are disposed around a rotatable display screen 200 such that when the projectors 100 are projected to rotate When the screen 200 is displayed, the viewer can view the image content of the projected image through the visual persistence phenomenon at the position where the projector 100 is placed, so that the image can be viewed by a plurality of people at any angle of 360 degrees.

However, the above-mentioned conventional display system can achieve the effect of multi-viewpoint projection imaging, but still has the following disadvantages: 1. The display screen of high-speed rotation is easily interfered by the external environment during projection imaging, and the projected image content is blurred. clear. 2. The projection images formed by the rotating display screens at various angles of view are unshielded from each other, and the light sources of the projected images will interfere with each other, so that the image content projected by each projector is easily overlapped, thus, this The conventional display system cannot achieve the purpose of displaying a plurality of different image contents by using a single rotating display screen. 3. Since the conventional display screen is a flat rotating screen, when the projection size is to be increased, the flat wind resistance is too strong when rotating at a high speed, so that the structure is easily deformed or shaken to affect the screen display, so the conventional display screen It is often impossible to enlarge and its size specifications are limited.

In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a 360-degree multi-view projection imaging apparatus that utilizes a hood with a light slit to provide a stable and clear image content.

According to an object of the present invention, a 360-degree multi-viewpoint projection imaging apparatus is provided, comprising: a base having at least one first optical slit on one side thereof, the first optical slit being connected to the inside of the base; at least one The display screen is disposed on the base, and the display surface of the display screen faces the first light slit; a hood is disposed on the base and covers the display screen, and the side wall of the hood is provided At least one second slit, the second slit is corresponding to the display surface of the display screen, and the second slit is on the same vertical axis as the first slit; and a driving module is disposed on the base Below the seat, the driving module is coupled with the base and the display screen, and the driving module can drive the base, the display screen and the hood to perform 360-degree rotation simultaneously; and the plurality of projectors are arranged around the base. Around the seat, a plurality of projectors are arranged at an oblique angle, so that the images output by the projectors are projected through the first slit to the display screen, and the second light slits are used to reveal the image content imaged by the display screen.

Through the above, the present invention mainly provides a hood outside the display screen, and the image data of the projector can be projected through the first slit and the second slit, thereby preventing the display screen from being affected by the external environment. In addition to allowing the display to rotate and display stable and clear image content, so that many people can clearly view the image at any angle of 360 degrees, it can also avoid the problem that the display screen is shaken or dumped due to external force or wind blowing. Occurs, making the size of the display screen more unrestricted in design. Furthermore, since the display screen uses the hood to perform light and shadow blocking, the images output by the projectors are respectively projected onto the display screen through the first optical slit, and then the second optical slit is transparent, thereby making each projection possible. The contents projected by the machine do not interfere with each other, so that each projector can selectively project a variety of different images, and then a single display screen allows the viewer to view different image contents at different angles of view. .

According to the above technical feature, the number of the display screens may be plural, and the number of the first optical slits and the second optical slits is configured corresponding to the number of display screens, and the display surface of one display screen corresponds to the first one. The light slit and the second light slit; thereby, the configuration of the plurality of display screens can increase the frequency of the rotation of the projected image, thereby reducing the image flicker, thereby improving the quality of the image viewing; In the case of stability, increase the configuration of the display screen, adjust the speed of the drive module to reduce energy consumption, or use a drive module with a relatively low speed.

According to the above technical features, the display screen can be designed in an arc shape, whereby more display screens can be disposed in the hood of the same size specification.

According to the above technical feature, the two adjacent projectors are arranged at an interval, and two adjacent projectors are simultaneously projected to the display screen through the same first optical slit, and are separated by the same second optical slit. The image content is revealed; by this configuration, two adjacent projectors can output the same content but have two-eye visually poor images, so that when the display screen is rotated, the viewer can see through the second optical slit. The stereoscopic image content imaged by the display screen.

According to the above technical feature, the first slit and the second slit are arranged in a straight or oblique manner.

According to the above technical feature, the driving module includes a motor and a rotating shaft, the motor is pivotally coupled to the rotating shaft, and the rotating shaft is coupled to the base and the display screen.

The technical features, contents, and advantages of the present invention, as well as the advantages thereof, can be understood by the present inventors, and the present invention will be described in detail with reference to the accompanying drawings. The subject matter is only for the purpose of illustration and description. It is not intended to be a true proportion and precise configuration after the implementation of the present invention. Therefore, the scope and configuration relationship of the attached drawings should not be interpreted or limited. First described.

Please refer to FIG. 2, which is a first schematic diagram of a first embodiment of a 360-degree multi-viewpoint projection imaging apparatus of the present invention. As shown, the 360-degree multi-view projection imaging apparatus of the present invention includes a susceptor 10, a display screen 20, a hood 30, a drive module 40, and a plurality of projectors 50. A first optical slit 11 is connected to one side of the base 10, and the first optical slit 11 is connected to the inside of the base 10. The first optical slit 11 is sized to provide output from the projector 50. The image can be fully projected onto the interior of the base 10. The display screen 20 is disposed on the base 10, and the display surface of the display screen 20 faces the first optical slit 11. In this embodiment, the number of the display screens 20 is one. The hood 30 is disposed on the pedestal 10, and is mainly used to cover the display screen 20 to prevent the display screen 20 from being interfered by external environment when displaying the screen, such as a light source or the like, wherein the side of the hood 30 is The wall is provided with a second light slit 31 corresponding to the display surface of the display screen 20, and the second light slit 31 is located on the same vertical axis as the first light slit 11 and communicates with each other. In a preferred embodiment, the first slit 11 and the second slit 31 are disposed in a straight manner, but not limited thereto, the first slit 11 and the second slit 31 may also be obliquely The way to configure. The driving module 40 is disposed under the pedestal 10 , and the driving module 40 has a rotating shaft 42 for connecting the pedestal 10 and the display screen 20 , and the driving module 40 can drive the pedestal 10 , The display screen 20 and the hood 30 are simultaneously rotated 360 degrees. A plurality of projectors 50 are circumferentially disposed around the base 10, and a plurality of projectors 50 are disposed at an oblique angle so that the projector 50 can be projected into the first slit 11 in a focused manner.

Please refer to FIG. 3 again, which is a second schematic diagram of the first embodiment of the 360-degree multi-view projection imaging apparatus of the present invention. The drive module 40 is mainly composed of a motor 41 and a rotating shaft 42. The motor 41 is coupled to the rotating shaft 42. The power of the motor 41 can be transmitted to the base 10 and the display screen 20 through the rotating shaft 42. When the motor 41 starts to operate, the rotating shaft 42 can drive the base 10, the display screen 20 and the hood 30 to rotate synchronously, so that the images respectively output by the respective projectors 50 can be projected through the first optical slit 11 of the susceptor 10. To the display screen 20, when the viewer stands at the angle of view of each projector 50, the high-rotation rotating display screen 20 allows the viewer to view the display through the second slit 31 based on the principle of visual persistence. Curtain 20 presents continuous image content. The image data projected by each projector 50 can be the same, so that a single projection screen 20 can allow multiple people to see the same image content at different angles of view; or the image data projected by each projector 50 can be Differently, this provides viewers with a variety of perspectives to view a variety of different image content.

In the above, the display screen 20 can be configured in plural according to requirements, and the number of the first optical slits 11 of the base 10 and the second optical slit 31 of the hood 30 preferably corresponds to the number of the display screens 20, It should be noted that each of the first optical slits 11 and each of the second optical slits 31 are respectively located on the same longitudinal axis and respectively correspond to the display surfaces of the display screens 20, that is, one display screen 20 is matched. A first optical slit 11 and a second optical slit 31 are provided. For example, please refer to FIG. 4, which is a schematic diagram of a second embodiment of the 360-degree multi-viewpoint projection imaging apparatus of the present invention. In the second embodiment. There are two display screens 20, and the two display screens 20 are disposed away from each other, and the display surface of each display screen 20 is approximately 180 degrees. The present invention utilizes the configuration of the plurality of display screens 20, the first optical slits 11, and the second optical slits 31 to increase the frequency at which the projector 50 projects to the display screen 20, thereby effectively operating at a constant rotation speed. The image flicker is reduced, so that the image can be more continuous and stable when projected. In addition, if only the projection image quality as presented by the single display screen 20 is maintained, the configuration of the plurality of display screens 20 is used to adjust the motor 41. The speed of rotation, in turn, reduces the use of energy.

According to the above, please refer to FIG. 5 and FIG. 6 respectively, which are schematic diagrams of a third embodiment and a fourth embodiment of the 360-degree multi-viewpoint projection imaging apparatus of the present invention. In the third embodiment, the display screen 20 of the present invention is three, and the display surface of each display screen 20 is approximately 120 degrees; and in the fourth embodiment, the display screen 20 of the present invention is adopted. Four, the display surface of each display screen 20 has a range of approximately 90 degrees. Both the third embodiment and the display screen 20 of the fourth embodiment are designed in an arc shape, thereby achieving the above-described reduced image flickering and lowering motor 41 without increasing the size of the hood 30. The effect of speed.

Continuing to refer to FIG. 7, which is a schematic diagram of a fifth embodiment of the 360-degree multi-view projection imaging apparatus of the present invention. In this embodiment, two adjacent projectors 50 can be further spaced apart but arranged so that two adjacent projectors 50 can simultaneously project image projections to the display screen 20 through the same first slit 11 And being exposed by the same second optical slit 31, so that when two adjacent projectors 50 output the same content but have left and right parallax images, the display screen 20 can be rotated by rotating the display screen 20 The images projected by the projector 50 at the same time overlap, so that when the viewer is located at the position of the two adjacent projectors 50, the stereoscopic image content superimposed by the display screen 20 can be seen through the second optical slit 31.

In summary, the 360-degree multi-viewpoint projection imaging device of the present invention utilizes a hood to cover the display screen, thereby avoiding direct contact of the display screen with the external environment, thereby obtaining the following main functions:

1. When the display screen is rotated at high speed for image presentation, it can avoid external environment interference, so that the viewer can clearly view the image content projected by the projector at various angles.

2. The images output by each projector are only sent through the first slit and the second slit, and then the shade is shielded by the hood, so that the images projected by the projectors do not interfere with each other. In this way, a variety of different image content projected by each projector can be presented through a single high-speed rotating display screen at various angle viewpoints.

3. The display screen protected by the mask can be protected from external force or wind. Therefore, the size of the display screen is relatively unrestricted. If necessary, a large-size display screen can be produced without worrying that the display screen will be dumped or shaken.

Looking at the above, it can be seen that the present invention has achieved the desired effect under the prior art, and is not familiar to those skilled in the art. Moreover, the present invention has not been disclosed before the application, and it has Progressive and practical, it has already met the requirements for patent application, and has filed a patent application according to law. You are requested to approve the application for this invention patent to encourage invention.

The embodiments described above are merely illustrative of the technical spirit and the features of the present invention, and the objects of the present invention can be understood by those skilled in the art, and the scope of the present invention cannot be limited thereto. That is, the equivalent variations or modifications made by the spirit of the present invention should still be included in the scope of the present invention.

100, 50‧‧‧ projector
200, 20‧‧‧ display screen
10‧‧‧ Pedestal
11‧‧‧First light seam
30‧‧‧ hood
31‧‧‧Second light seam
40‧‧‧Drive Module
41‧‧‧Motor
42‧‧‧ shaft

Fig. 1 is a schematic view of a conventional projection imaging apparatus. 2 is a first schematic view of a first embodiment of a 360-degree multi-view projection imaging apparatus of the present invention. Figure 3 is a second schematic view of a first embodiment of a 360 degree multi-view projection imaging apparatus of the present invention. Fig. 4 is a schematic view showing a second embodiment of the 360-degree multi-viewpoint projection imaging apparatus of the present invention. Fig. 5 is a schematic view showing a third embodiment of the 360-degree multi-viewpoint projection imaging apparatus of the present invention. Figure 6 is a schematic view showing a fourth embodiment of the 360-degree multi-viewpoint projection imaging apparatus of the present invention. Figure 7 is a schematic view showing a fifth embodiment of the 360-degree multi-viewpoint projection imaging apparatus of the present invention.

10‧‧‧ Pedestal

11‧‧‧First light seam

20‧‧‧ display screen

30‧‧‧ hood

31‧‧‧Second light seam

40‧‧‧Drive Module

42‧‧‧ shaft

50‧‧‧Projector

Claims (6)

A 360-degree multi-viewpoint projection imaging apparatus, comprising: a base (10) having at least one first optical slit (11) on one side thereof, the first optical slit (11) being connected to the base ( 10) inside; at least one display screen (20) is disposed on the base (10), and the display surface of the display screen (20) faces the first light slit (11); a light shield (30) The cover (20) is disposed on the base (10), and the side wall of the hood (30) is provided with at least one second slit (31), the second The light slit (31) corresponds to the display surface of the display screen (20), and the second light slit (31) is located on the same vertical axis as the first light slit (11); The group (40) is disposed under the base (10), and the driving module (40) is coupled to the base (10) and the display screen (20) through the driving module ( 40) driving the base (10), the display screen (20) and the hood (30) to rotate 360 degrees synchronously; and a plurality of projectors (50) disposed around the base (10) around And the plurality of projectors (50) are arranged at an oblique angle, so that images output by the projectors (50) are projected to the display screen (20) through the first optical slit (11), and The second light slit (31) reveals the image content imaged by the display screen (20). The 360-degree multi-viewpoint projection imaging apparatus according to claim 1, wherein the number of the display screens (20) is plural, and the number of the first optical slits (11) and the second optical slits (31) are paired. The number of screens (20) should be configured, and the display surface of one of the display screens (20) corresponds to one of the first slit (11) and the second slit (31). The 360 degree multi-view projection imaging apparatus of claim 2, wherein the display screen (20) is curved. The 360-degree multi-view projection imaging apparatus according to claim 1 or 2, wherein two adjacent projectors (50) are arranged at an interval, and the two adjacent projectors (50) are simultaneously transmitted. The same first slit (11) is projected onto the display screen (20), and the image content is revealed by the same second slit (31). The 360-degree multi-view projection imaging apparatus of claim 1, wherein the first optical slit (11) and the second optical slit (31) are arranged in a straight or oblique manner. The 360-degree multi-view projection imaging device of claim 1, wherein the driving module (40) comprises a motor (41) and a rotating shaft (42), the motor (41) pivotally connecting the rotating shaft (42) And the rotating shaft (42) connects the base (10) and the display screen (20).