KR20170059823A - Screening system comprising a tilting means - Google Patents

Screening system comprising a tilting means Download PDF

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Publication number
KR20170059823A
KR20170059823A KR1020150164279A KR20150164279A KR20170059823A KR 20170059823 A KR20170059823 A KR 20170059823A KR 1020150164279 A KR1020150164279 A KR 1020150164279A KR 20150164279 A KR20150164279 A KR 20150164279A KR 20170059823 A KR20170059823 A KR 20170059823A
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KR
South Korea
Prior art keywords
mirror
image
chair
screen
actuator
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Application number
KR1020150164279A
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Korean (ko)
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KR101834527B1 (en
Inventor
변지웅
Original Assignee
씨제이포디플렉스 주식회사
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Priority to KR1020150164279A priority Critical patent/KR101834527B1/en
Publication of KR20170059823A publication Critical patent/KR20170059823A/en
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Publication of KR101834527B1 publication Critical patent/KR101834527B1/en

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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
    • G03B21/14—Details
    • G03B21/142—Adjusting of projection optics
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/12—Theatre, auditorium, or similar chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Projection Apparatus (AREA)

Abstract

To achieve a described purpose, in a screening system to project an image on a screen through a projector according to an embodiment of the present invention, the screening system includes a first mirror which reflects the image projected by the projector, a second mirror which reflects the image reflected from the first mirror again, and a tilting means which is attached to the rear side of the second mirror and tilts the second mirror. Accordingly, the present invention can more realistically reproduce immersion feeling by the movement of a chair and the image.

Description

[0001] The present invention relates to a screening system comprising a tilting means,

And more particularly, to a screening system that enables moving images on a screen using a mirror and a tilting means.

Generally, the movie theater is constructed with a rectangular screen in a rectangular parallelepipedal structure with a structure that allows viewers to view video contents in a specific space.

However, in the case of a rectangular screen, there is a structural problem that the viewer does not have enough sense of immersion due to lack of stereoscopic effect because a video is projected on a flat screen when viewing the video. Accordingly, various methods have recently been proposed to solve such problems.

In the conventional image system, since the screen is fixed on the wall, the sense of reality may be relatively lower when the viewer views the image. Further, since the screen is fixed, it is difficult to induce a four-dimensional dynamic experience that is felt in the body in cooperation with an image or sound. In addition, when a taller viewer sat in front of the viewer, a portion of the screen was covered, making it difficult to view the image normally.

Patent Document 1 proposes an auditorium chair capable of dynamic movement for a realistic image to an audience. However, the image of the screen was fixed, and there was a limit to reproduce the liveliness only by the movement of the auditorium chair. Accordingly, the present invention not only includes a moving chair, but also presents a screening system in which the movement of the chair and the movement of the screen are interlocked.

Korea Open Patent No. 2012-0091806 (2012.08.20. Disclosed)

The object of the present invention is to provide a screening system in which not only a moving chair but also a chair movement and an image movement are interlocked to solve the above-mentioned problems.

According to an aspect of the present invention, there is provided a screening system for projecting an image onto a screen through a projector according to an embodiment of the present invention. The system includes a first mirror for reflecting an image projected by the projector, And a tilting means attached to a rear surface of the second mirror for tilting the second mirror.

The first mirror is fixed by being tilted at a predetermined angle so that the image projected from the projector is reflected and transmitted to the second mirror.

And the image reflected by the second mirror is projected onto the screen.

The image reflected on the second mirror is projected onto the screen, and the image projected on the screen moves together as at least one of a direction or an angle in which the second mirror is tilted is changed .

Wherein the tilting means comprises a supporting portion provided at a central portion of the rear surface of the second mirror for supporting the second mirror and at least one tilting means provided on the rear surface of the second mirror for tilting the second mirror about the supporting portion And the like.

The support part is rotatably installed to support the second mirror and the second mirror can be tilted in all directions about the support part.

And the tilting portion is composed of at least two actuators.

The at least two actuators include a first actuator provided on the horizontal axis having the center of the rear surface of the second mirror as the origin and a second actuator provided on the vertical axis having the center of the rear surface of the second mirror as the origin .

The first actuator is driven so that the second mirror is tilted to the left and right, and the second actuator is driven to tilt the second mirror upward and downward.

The first and second actuators can be controlled simultaneously or individually according to the tilting direction and angle of the predetermined second mirror.

According to another embodiment of the present invention, the screening system may further include a chair that the user can sit on so as to view the image projected on the screen.

The chair is characterized in that it is a sensible chair capable of realizing any one or more of a special effect or a motion effect suited to the image.

Wherein the motion effect provided through the haptic type chair includes at least one movement effect of up, down, left, and right,

And the movement effect of the haptic type chair is controlled to be provided in proportion to or in inverse proportion to at least one of a tilting direction and an angle of the second mirror.

And a tilting direction or angle of the second mirror.

According to the present invention, an image projected on a screen is moved, and a chair in which a viewer sits moves accordingly. It is possible to more realistically reproduce the immersion feeling which is difficult to reproduce with the image only by using the motion of the image and the chair.

1 shows a screening system according to an embodiment of the present invention.
2 shows a projection apparatus according to an embodiment of the present invention.
Figure 3 shows the combination of the second mirror, the rotation support and the actuator.
4 shows a rotation support according to an embodiment of the present invention.
5 illustrates an actuator according to an embodiment of the present invention.
6 shows a state in which the second mirror rotates.
Figure 7 shows that the image moves up as the second mirror rotates.
8 shows that the image moves left and right according to the rotation of the second mirror.
9 shows a motion chair according to an embodiment of the present invention.
Figure 10 shows the movement of the chair.
11 shows a left-right rotation of a chair.
Fig. 12 shows that the chair moves in conjunction when the image moves up and down.
Fig. 13 shows that the chair moves in conjunction when the image moves left and right.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference symbols as possible even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

FIG. 1 shows an auditorium equipped with a screening system according to an embodiment of the present invention. The auditorium includes a screen 10 on which an image is projected and a chair 20 positioned toward the screen 10.

2 shows a screening system according to an embodiment of the present invention. A screening system is a series of devices for projecting an image on a screen 10, and in a screening system for projecting an image on a screen 10 through a projector 30 according to an embodiment of the present invention A first mirror 40 that reflects an image projected by the projector 30, a second mirror 50 that reflects the image reflected by the first mirror 40, And a tilting means attached to the rear surface for tilting the second mirror (50).

The first mirror 40 is tilted and fixed at a predetermined angle so that the image projected from the projector 30 is reflected and transmitted to the second mirror 50.

And the image reflected by the second mirror 50 is projected onto the screen 10.

The image retroreflected by the second mirror 50 is projected onto the screen 10 and is projected onto the screen 10 as at least one of the direction or the angle at which the second mirror 50 is tilted is changed. And the moving images are moved together.

The tilting means includes a supporting portion provided at a central portion of the rear surface of the second mirror 50 and supporting the second mirror 50 and a supporting portion provided on the rear surface of the second mirror 50, And at least one tilting unit tilting the support unit about the support unit.

The supporting part supports the second mirror 50 and is rotatably installed so that the second mirror 50 can be tilted in all directions about the supporting part.

And the tilting portion is composed of at least two actuators.

The at least two actuators include a first actuator installed on the horizontal axis having the center of the rear surface of the second mirror 50 as an origin and a second actuator provided on the vertical axis having the center of the rear surface of the second mirror 50 as the origin 2 actuator.

The first actuator is driven such that the second mirror is tilted right and left, and the second actuator is driven such that the second mirror 50 is tilted up and down.

The first and second actuators can be controlled simultaneously or individually according to a tilting direction and an angle of the predetermined second mirror 50.

The projector 30 has a structure for outputting an image, which is in accordance with the prior art, and the position is stably fixed.

The first mirror 40 reflects an image output from the projector 30 toward the second mirror 50. [ The first mirror 40 has a structure in which the position is stably fixed like the projector 30.

The second mirror 50 reflects the image incident from the first mirror 40 toward the screen 10. Although two mirrors including the first mirror 40 and the second mirror 50 are shown in the drawing, the mirrors may include a larger number of mirrors according to circumstances. However, in the case where the mirror is formed of odd number, the image finally projected on the screen 10 is inverted upside down with respect to the image projected first from the projector 30, so that the number of mirrors is preferably an even number.

By using a mirror, the brightness may be lowered compared with the image projected first from the projector 30. However, since the reflectance of the mirror is about 98.5% when the dielectric coating is used, even if a plurality of mirrors is used, I can not feel the difference with the naked eye.

The tilting unit 60 tilts the second mirror 50. The tilting unit 60 tilts the second mirror 50 at various angles instead of horizontally or vertically moving the second mirror 50 Means to control the projection position of the image to be changed.

Fig. 3 shows the structure of the tilting machine in detail and shows the combination of the second mirror 50, the rotation support 61 and the actuator 62. Fig. Referring to the drawings, a tilting device according to an embodiment is mounted on the second mirror 50 and rotates about the attached point so that the second mirror 50 can rotate in all directions (61) and at least one actuator (62) having one end attached to the second mirror (50).

The rotary support 61 is attached to the center of the second mirror 50. The actuator sets an imaginary horizontal axis and a vertical axis with the attachment point of the rotary support 61 as an origin, And a first actuator attached to the abscissa axis.

The apparatus may further include a second actuator attached to the longitudinal axis.

The rotation support 61 is attached to the rear surface of the second mirror 50 to fix the position of the second mirror 50 but the rotation of the second mirror 50 about the point where the rotation support 61 is attached Direction. The shape and operating structure of the rotation support 61 are not particularly limited.

At least two actuators 62 are required to geometrically control the rotation of the second mirror 50 in all directions and the attachment point of the actuator 62 and the rotation support (61), it should not be placed in a straight line. The actuator 62 may be formed of a plurality of actuators as long as the above-mentioned geometric conditions are satisfied.

In a preferred embodiment, the rotation support 61 is attached to the center of the rear surface of the second mirror 50, and virtual x-axis and y-axis are set with the origin of attachment of the rotation support 61 as the origin, The actuator 62 is attached. Thus, the actuator 62 attached to the x-axis can rotate the second mirror 50 about the y-axis, and the actuator 62 attached to the y-axis rotates the second mirror 50 about the x- . It is possible to rotate the second mirror 50 in all directions by the combination of the actuators 62 attached to the respective axes and to move the image projected on the screen by rotating the second mirror 50. [

4 shows an exemplary rotation support 61 used in the present invention. The rotation support 61 may be configured to allow rotation while fixing the position of the second mirror.

5 shows an example of an actuator 62 used in the present invention. The actuator 62 may be a hydraulic cylinder or a pneumatic cylinder, and may be configured to move the driving unit horizontally.

6 to 8 show a state in which the second mirror 50 is rotated. The plurality of actuators should not be placed in a straight line when the point of attachment of the actuator and the point of attachment of the rotary support are. The actuator may be formed of a plurality of actuators as long as the above-mentioned geometric conditions are satisfied.

6, when a virtual x-axis and a y-axis are set with the attachment point of the rotation support as an origin, and an actuator is attached on each axis, the actuator attached to the x-axis moves the second mirror 50 to y Axis, and the actuator attached to the y-axis can rotate the second mirror 50 about the x-axis.

In Fig. 7, the second mirror 50 is rotated by actuating an actuator attached on a virtual y-axis. The second mirror 50 moves and reflects the projected image up and down with respect to the screen by actuating the actuator attached on the y-axis. 7 (a) shows that the second mirror 50 does not rotate about the x-axis, and Fig. 7 (b) shows that the second mirror 50 rotates about the x- In FIG.

8, the second mirror 50 is rotated by actuating an actuator attached on a virtual x-axis. The second mirror 50 moves the projected image to the left and right with respect to the screen by actuating the actuator attached on the x-axis. 8 (a) shows that the second mirror 50 does not rotate with respect to the y-axis, and Fig. 8 (b) shows that the second mirror 50 rotates about the y- 8 (c) shows that the second mirror 50 rotates about the y-axis and the image projected on the screen moves to the left.

Figure 9 shows a chair 20 in accordance with an embodiment of the present invention. According to another embodiment of the present invention, the screening system may further include a chair 20 on which the user can sit so that the user can view the image projected on the screen.

The chair 20 is a sensible chair 20 capable of implementing at least one of a special effect or a motion effect suitable for an image.

The motion effect provided through the sensible chair (20) includes at least one movement effect of up, down, left, and right,

The movement effect of the haptic type chair 20 is controlled to be provided in proportion to or in inverse proportion to at least one of the tilting direction and the angle of the second mirror.

And a tilting direction or angle of the second mirror.

The chair 20 is a movable chair that is not a fixed chair and includes a seat 21, a receiving portion 22 for supporting the lower portion of the seat 21, a seat 21 or the receiving portion 22 And a driving unit 24 for moving the seat 21. The backrest 23 includes a backrest 23,

The chair 20 moves in conjunction with the moving image through the second mirror for securing the view of the viewer watching the video and feeling of immersion.

Fig. 10 shows the swinging motion of the chair 20, and Fig. 11 shows the left-right rotation of the chair 20. Fig. The seat 20 can be moved so as to be tilted together with the seat 21 and not only the backrest 23 is tilted but also only the backrest 23 can be tilted backward. It is also possible to rotate the support portion supporting the sheet 21 around the center axis.

12 shows that the projection apparatus and the chair 20 move in conjunction with each other when the image moves up and down. 12 (a) shows the operation of the actuator attached on the imaginary y-axis to rotate the second mirror 50. Fig. The second mirror 50 moves and reflects the projected image up and down with respect to the screen by actuating the actuator attached on the y-axis. 12 (a) shows that the second mirror 50 does not rotate about the x-axis, and Fig. 12 (b) shows that the second mirror 50 rotates about the x- And the chair 20 is turned back correspondingly.

FIG. 13 shows that the projection apparatus and the chair 20 move in conjunction when the image moves left and right. Fig. 13 shows the actuation of an actuator attached on a virtual x-axis to rotate the second mirror. The second mirror moves the projected image to the left and right with respect to the screen by actuating the actuator attached on the x-axis. 13 (a) shows that the second mirror rotates about the y-axis and the image projected on the screen moves to the left and the chair 20 rotates counterclockwise. Fig. 13 (b) The second mirror rotates about the y-axis and the image projected on the screen moves to the right and the chair 20 rotates to the right correspondingly.

Since it is desirable that the driving of the tilting machine and the driving of the motion chair are simultaneously controlled, the tilting machine driving command and the motion chair driving command can be transmitted using the auditorium server. At this time, the tilting machine receives the driving command of the actuator from the auditorium server, and the motion chair receives the motion chair driving command from the auditorium server.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them. Furthermore, the terms "comprises", "comprising", or "having" described above mean that a component can be implanted unless otherwise specifically stated, But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: Screen
11: Video
20: Chair
21: Sheet
22:
23: Backrest
24:
30: Projector
40: first mirror
50: second mirror
60: tilting machine
61:
62: Actuator

Claims (15)

A screening system for projecting an image onto a screen through a projector,
A first mirror that reflects an image projected by the projector;
A second mirror for retroreflecting the image reflected by the first mirror; And
A tilting means attached to a rear surface of the second mirror to tilt the second mirror;
. The method according to claim 1,
Wherein the first mirror is fixed by being tilted at a predetermined angle so that the image projected from the projector is reflected and transmitted to the second mirror. The method according to claim 1,
And the image reflected by the second mirror is projected onto a screen. The method according to claim 1,
Wherein the image reflected on the second mirror is projected onto the screen and the image projected on the screen moves together as at least one of a direction or an angle in which the second mirror is tilted is changed. The method according to claim 1,
Wherein the tilting means comprises:
A support provided at a central portion of the rear surface of the second mirror to support the second mirror; And
At least one tilting unit installed at a rear surface of the second mirror to tilt the second mirror about the supporting unit;
The system comprising: The method of claim 5,
Wherein the support portion is rotatably installed to support the second mirror and the second mirror can be tilted in all directions about the support portion. The method of claim 5,
Wherein the tilting unit comprises at least two actuators. The method of claim 7,
Wherein the at least two actuators comprise:
A first actuator installed on a horizontal axis with the center of the rear surface of the second mirror as an origin; And
A second actuator installed on a vertical axis having the center of the rear surface of the second mirror as an origin;
The system comprising: The method of claim 8,
Wherein the first actuator is driven such that the second mirror is tilted to the left and right, and the second actuator is driven to tilt the second mirror vertically. The method of claim 8,
Wherein the first and second actuators are controllable simultaneously or individually according to a tilting direction and an angle of a predetermined second mirror. The method according to claim 1,
A chair which can be seated by a user so as to view the image projected on the screen;
Further comprising: The method of claim 11,
Wherein the chair is a sensible chair capable of implementing at least one of a special effect suitable for an image or a motion effect. The method of claim 12,
Wherein the motion effect provided through the haptic type chair includes at least one movement effect of up, down, left, and right. 14. The method of claim 13,
Wherein the movement effect of the haptic type chair is controlled to be provided in proportion to or in inverse proportion to at least one of a tilting direction and an angle of the second mirror. The method according to claim 1,
A video server for controlling at least one of a tilting direction and an angle of the second mirror;
Further comprising:
KR1020150164279A 2015-11-23 2015-11-23 Screening system comprising a tilting means KR101834527B1 (en)

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Publication number Priority date Publication date Assignee Title
KR200356648Y1 (en) * 2003-11-10 2004-07-21 김봉수 system for image

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