WO2018047262A1 - Dispositif de fixation pour dispositif de projection d'image, et système de projection d'image utilisant ce dernier - Google Patents

Dispositif de fixation pour dispositif de projection d'image, et système de projection d'image utilisant ce dernier Download PDF

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Publication number
WO2018047262A1
WO2018047262A1 PCT/JP2016/076383 JP2016076383W WO2018047262A1 WO 2018047262 A1 WO2018047262 A1 WO 2018047262A1 JP 2016076383 W JP2016076383 W JP 2016076383W WO 2018047262 A1 WO2018047262 A1 WO 2018047262A1
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WO
WIPO (PCT)
Prior art keywords
video projection
projection device
mounting
fixed
movable
Prior art date
Application number
PCT/JP2016/076383
Other languages
English (en)
Japanese (ja)
Inventor
賀来　信行
克行 渡辺
崇嗣 川端
清水　拓也
Original Assignee
マクセル株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by マクセル株式会社 filed Critical マクセル株式会社
Priority to JP2018537926A priority Critical patent/JP6734924B2/ja
Priority to PCT/JP2016/076383 priority patent/WO2018047262A1/fr
Publication of WO2018047262A1 publication Critical patent/WO2018047262A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • 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

Definitions

  • the present invention relates to a mounting device for a video projection device and a video projection system using the same.
  • Patent Literature 1 technologies that can be used by attaching a video projection device such as a projector to a ceiling or a wall surface are disclosed in Patent Literature 1 and Patent Literature 2 below.
  • Patent Document 1 relates to the mounting of a projector on a ceiling, and more particularly, to a projector having a structure in which the inside of the projector can be sufficiently cooled even if air near the ceiling is introduced as it is, and a projector control method.
  • Patent Document 2 relates to a projector ceiling suspension device having a structure capable of adjusting the orientation and orientation of a projector without making a cable connected to the projector as conspicuous as possible.
  • both of the devices disclosed in Patent Documents 1 and 2 are each provided with a projector (hereinafter also referred to as “video projection device”) attached to the ceiling surface by a fixed portion made of a rigid structure, and then oriented.
  • the image projection apparatus can be adjusted to a desired direction while adjusting the direction and attitude by the attitude adjustment apparatus. That is, in the above-described prior art, for example, when a human body comes in contact with a part of the video projection device or in the case of an earthquake or the like, it is protected from the user's safety or damage to the device, and further, is projected from the video projection device. None of the measures or measures including the stillness of the shaking of the video screen were disclosed.
  • a part of a building or an interior provided in the building so that the video projection device has a desired posture with respect to the projection surface An apparatus for mounting a video projection apparatus for fixing and holding a part of the image projection apparatus, forming a reference surface on the part and fixing the part to a part of the building or an interior provided in the building
  • a video projection apparatus mounting apparatus configured such that the movable surface of the movable part moves relative to the reference surface of the fixed part,
  • an image projection device that generates image light and projects the image light on a projection surface to form an image, and an image projection device with respect to the projection surface are desired.
  • a video projection system including a holding device for fixing and holding a part of the building or an interior part of the building so as to be in a posture, the holding device being attached to the video projection device.
  • the position of the video projection device can be moved, and then the video projection device can autonomously return to its original position while suppressing the shaking.
  • a configured video projection system is provided.
  • FIG. 1 It is a figure which shows the general usage pattern of the video projection apparatus which concerns on one embodiment of this invention. It is a figure which shows the general usage pattern of the video projection apparatus which concerns on one embodiment of this invention, especially the form which is performing the portrait projection function. It is a figure which shows the example of the video projection apparatus with an illumination function called a pendant type as a video projection apparatus of this invention. It is a conceptual diagram for demonstrating the subject in the video projection apparatus mentioned above. It is a perspective view from the lower part which shows an example of the structure of the wiring fixture with which the attachment apparatus of the video projector of this invention is attached. It is a partially expanded perspective view which shows the attachment apparatus which concerns on Example 1 of this invention centering on the fixed part and a movable part.
  • FIG. 1 and FIG. 2 show a general usage pattern (installation on the ceiling) of the video projection apparatus.
  • FIG. 1 shows a part of a building or a building so that the image projection apparatus 10 takes a desired posture with respect to a projection surface arranged in the space in a space such as a room in the building.
  • An example of the form fixed and held in a part of the interior is shown.
  • the video projection device 10 is suspended downward from the ceiling surface 50 via the support pole 31 and the attachment portion 80, and the device is attached at a predetermined position so that an image is projected onto the indoor wall surface 51.
  • the form is shown.
  • FIG. 1 shows a part of a building or a building so that the image projection apparatus 10 takes a desired posture with respect to a projection surface arranged in the space in a space such as a room in the building.
  • An example of the form fixed and held in a part of the interior is shown.
  • the video projection device 10 is suspended downward from the ceiling surface 50 via the support pole 31 and the attachment portion
  • an example of the ceiling surface 50 is shown as an example of a part of the building to be attached or a part of the interior of the building, but other than that, a wall, a beam, or a column may be used.
  • the video projection device 10 may be fixed to a part of the interior. This is common to all the following embodiments.
  • a holding member in this example, a “support pole” made of a hollow metal member
  • the image projection device 10 is fixed to the tip portion thereof.
  • the power supply portion is omitted, the power supply line of the video projector 10 is connected to an outlet near the ceiling.
  • the video projection device 10 is fixed by an adjustment mechanism (not shown) so that the projection surface thereof is in a desired position / posture including the inclination angle with respect to the indoor side wall 51. It will be apparent to those skilled in the art that it is retained.
  • FIG. 2 shows a mode in which the video projector 10 is suspended and fixed downward from the ceiling surface 50 in the room, and a so-called portrait projection function is performed.
  • the video projection device 10 is provided with devices that are normally installed in the horizontal direction in the vertical direction, and between the ceiling surface 50 and the floor surface 52 in the room. It is often used in a state where it is lowered almost to the middle.
  • a desired video is projected onto the projection surface.
  • a position including an inclination angle with respect to the image projection surface including the wall surface is set and adjusted.
  • the support pole 31 to be installed becomes long, so that a large G (acceleration) due to hitting a person, earthquake, etc.
  • the ceiling part may be damaged by a large load on the fixed ceiling part. Therefore, in the present invention, the above-described problem is solved by providing a damper mechanism for absorbing an impact in the mounting portion 80 to which the support pole 31 is connected.
  • FIG. 3 is an apparatus in which an image projection function is installed in the illumination apparatus, unlike the above-described image projection apparatus, and in particular, an application apparatus of a so-called pendant illumination apparatus attached to a ceiling surface (however, Hereinafter, it is also an example of “video projection apparatus with a lighting function 10 ′”).
  • the video projection device 10 ′ is used by being attached to, for example, a kitchen, a dining room, or a ceiling surface 50 constituting a space such as a living room or an office. More specifically, as shown in FIG. 3, above the table or desk 60 installed indoors, in order to ensure the brightness of the table top, which is the irradiation surface, at a certain distance from the irradiation surface. Install. Further, various images 1 are projected and displayed on the upper surface (display surface or projection surface) 61 of the table or desk 60.
  • the power supply to the image projection apparatus 10 ′ with the illumination function is performed by attaching a connection terminal (so-called hook ceiling plug terminal) attached to the tip of the power cable (arranged inside the support pole 31 ′ in FIG. 3).
  • a connection terminal so-called hook ceiling plug terminal
  • the part 81 it connects by connecting with the terminal which the wiring fixture 70 (what is called hook ceiling) of a ceiling surface has.
  • a pendant type lighting device is installed using a power cable.
  • the video device 10 ′ with a lighting function is installed using only the power cable, the device main body vibrates or rotates.
  • the shaking recurs, and the projected image shakes and looks The person feels uncomfortable (provides discomfort). Therefore, it is conceivable to use a support pole (31 'in FIG. 3) such as a metal or a high-strength resin material to fix it to the ceiling surface, thereby preventing vibration and rotation.
  • the two examples described above are substantially the same in fixing to the ceiling 50 except for the power supply portion.
  • the image projection apparatus 10 shown in FIGS. 1 and 2 and the image projection apparatus 10 ′ with an illumination function shown in FIGS. 3 and 4 have a large acceleration when a strong impact is applied or an earthquake occurs.
  • problems such as bending of the support poles (31, 31 ′) themselves or breakage of the ceiling occur.
  • people may be injured if they hit their heads.
  • the present invention in order to avoid damage to the support pole and the ceiling, it is fixed and installed by a fixing portion having a damper mechanism and the support pole, thereby preventing and suppressing unpleasant shaking of the screen and applying an impact. This prevents damage to the equipment and personal injury.
  • the video projection device 10 (see FIG. 2) and the pendant-type video projection device 10 ′ with illumination function (see FIG. 3) are the same as the video projection device 10, 10 ′. It is often seen that a human body or an object, for example, comes into contact with the user's head. Therefore, it is strongly required to secure the safety of the user from the impact caused by the contact in such a case and to protect the video projection devices 10 and 10 'from the damage caused by the impact. This situation also occurs when an earthquake occurs.
  • an impact absorbing mechanism using an elastic body or the like is incorporated in the mounting portions 80 and 81 that hold the video projection device 10 ′.
  • a shock absorbing damper for example, a spring
  • the mounting portion 81 to which the support pole 31 ′ is fixed absorbs the impact at the time of collision or contact.
  • the image projection device is fixed to the ceiling surface. Mounting, thereby preventing vibration and rotation of the device during installation and normal use. Furthermore, when the video projection device 10 ′ receives an impact due to a collision or contact, the support pole 31 ′ is fixed to the ceiling surface 50 in response to the applied impact by the action of the shock absorbing damper. It moves (i.e., tilts) relative to the portion 81. Thereby, the impact is absorbed and / or alleviated to ensure the safety of the user, and the video projection device 10 ′ is protected from breakage. Thereafter, the vibration of the support pole 31 ′ is absorbed by the action of the damper and tries to return to the original position again.
  • a support pole 31 ′ made of a rigid body such as a metal or a high-strength resin material
  • the video projection device 10 ′ is displaced from the normal position, and the video is distorted to a position deviating from a preset desired position (or After the projection is performed and the vibration is stopped, it is necessary to adjust the position of the video projection device 10 ′ again.
  • the position, size, distortion, and the like of the video projected by the device are greatly affected by the vibration and rotation of the device. Even if the projection apparatus 10 ′ returns after colliding, it is necessary to reset the position to a preset position again, which is troublesome for the user. The same applies to the video projection apparatus 10 shown in FIGS. 1 and 2.
  • the video projection device 10 that projects a desired video in an enlarged manner and the video projection device with a lighting function 10 ′, for the ceiling suspension device that is the mounting device, (1) it suppresses the shake of the projected screen. (2) to protect the image projection device from damage, even against collisions and contact with the human body, etc. Ensuring the safety of the user, and (3) suppressing the shaking of the video projection device, including the positional deviation with respect to the projection surface, quickly controlling the projection state on the projection surface in advance. It is important to return to the original position.
  • the present invention it is possible to solve the above-described problems, that is, it is possible to suspend and hold the video projection device 10 ′ with an illumination function downward from the ceiling surface 50 and to hold the video projection device. It is possible to ensure the safety of the user and protect the device from damage even against an impact on the 10 ′, and even after the collision, the video projection device 10 ′ can quickly suppress the shaking. It is possible to autonomously return to a preset position. Accordingly, the present invention proposes an excellent ceiling suspending device that is practically convenient and does not require the user to set a troublesome position again. Further, a safety system for a video projection device including an attachment device that is a ceiling suspension device is realized.
  • FIG. 5 shows an example of a wiring device 70 to which a ceiling suspension device is attached.
  • the wiring device 70 is fixed in advance and / or attached to the ceiling surface 50 as necessary, and a pair of terminal portions 73 for supplying power are provided at the center of the bottom surface 72 of the disk-shaped main body 71.
  • the provided opening 74 is formed, and when necessary, power is supplied to the image projection apparatus 10 ′ by inserting a device-side plug or the like into the opening 74.
  • a pair of hook fittings 75 provided with screw holes are provided on the outer peripheral portion of the wiring device 70.
  • the ceiling hanging device is mounted using the pair of hook fittings 75. It is fixed to the ceiling surface 50 and attached.
  • FIG. 6 and FIG. 7 show details of the attachment device (corresponding to the attachment portion 80 and attachment portion 81 in FIGS. 1 to 4) according to one embodiment of the present invention, and the fixing portion 20 constituting it.
  • a partially enlarged perspective view and a sectional view are shown with the movable portion 30 as the center.
  • 8 and 9 show the fixed portion 20 and the movable portion 30, respectively.
  • the fixing portion 20 is, for example, a metal member having a disk-shaped outer shape.
  • the fixing portion 20 abuts on the bottom surface 72 of the wiring device 70 and the screw 21. It is fixed by. That is, the fixed portion 20 is fixedly attached to the ceiling surface 50.
  • three rod-like members 22 projecting downward are provided on the bottom surface of the fixed portion 20.
  • the three rod-like members 22 have the same length in this example, and a screw groove (not shown) for fixing the ring-like fastening member 23 is provided at the end (lower end) thereof. ) Is formed.
  • a return pressing spring 24, which will be described in detail below, is provided around each of the three rod-shaped members 22, and these pressing springs 24 are formed in a ring shape with the bottom surface of the fixing portion 20. (See FIG. 8 in particular).
  • the movable portion 30 is made of, for example, a metal member having a triangular outer shape, and a hollow support pole 31 that is a suspension member of the above-described video projector is formed on the bottom surface thereof. Is fixed via a screw 32 or the like. More precisely, the support pole holding member 34 is fixed to the bottom surface of the movable portion 30 by the screw 32, and the large diameter screw 35 is fitted to the screw portion provided at one end of the support pole holding member 34. 31 is fixed to the movable part 30. As a result, the movable part 30 and the support pole 31 are integrated.
  • the triangular movable portion 30 is attached to the upper end of the support pole 31 in a bowl shape (see particularly FIG. 9). In addition, an opening 33 is formed at each corner of the triangular movable portion 30.
  • each of the three rod-like members 22 extending downward from the bottom surface of the fixed portion 20 is attached to each corner of the triangular movable portion 30 with the pressing springs 24 compressed by a predetermined amount.
  • the ring-shaped fastening member 23 is screwed.
  • reference numeral 40 in FIG. 7 is a casing member formed so as to surround the fixed part 20 and the movable part 30, and reference numeral 76 attaches a commercial power source from the wiring device 70 to the ceiling hanging device.
  • the cable accommodated in the support pole 31 for supply to the image projection apparatus is shown.
  • the advantages of housing the cable include, for example, that the change in path length can be reduced during the shock absorbing operation, so that the shock absorbing operation is not hindered, and the cable is protected.
  • the fixing portion 20 is fixed to the ceiling surface 50 via the wiring device 70 as shown in the conceptual diagrams of FIGS. Therefore, the end portions (lower ends) of the three rod-like members 22 extending downward from the bottom surface of the fixed portion 20 are fixed to the ceiling surface 50 (hereinafter referred to as “reference surface”). ”).
  • the fixed part 20 forms a rotational positioning part together with the movable part 30 together with the vertical positioning part, thereby restricting the movement in the vertical direction and the rotational direction.
  • the movable portion 30 is pressed downward by the pressing spring 24 and stopped at the end portions (lower ends) of the three rod-shaped members 22, so that the triangular surface (the “moving surface”) of the movable portion 30 is also used.
  • the triangular moving surface of the movable portion 30 is disposed along a plane parallel to the reference plane.
  • the present invention is not limited to this.
  • the inclination of the “moving surface” with respect to the “reference surface” can be made variable by adjusting the position of the ring-shaped retaining member at the end of the rod-shaped member.
  • the movable part 30 does not move carelessly by the pressing spring 24 in the case of an external force of a predetermined amount or less, such as wind.
  • the movable portion 30 (movable surface) resists the pressing spring 24.
  • the support pole 31 fixed to the bottom surface of the support pole 31 is moved (ie, tilted). Since the opening 41 of the casing member 40 is larger than the movement range of the support pole 31, the movement of the movable portion 30 is not hindered and the casing member 40 is not damaged. Accordingly, the impact is absorbed and / or alleviated to ensure the safety of the user, and the video projection apparatus is protected from damage.
  • the movable surface of the movable portion 30 is pushed back by the action of the pressing spring 24.
  • the three rod-shaped members of the fixed portion 20 are pressed. Stopped at the end 22 (lower end: forming a reference plane). From this, the movable surface of the movable unit 30 can quickly and again be brought into contact with the reference surface or the same by the functions of the vertical positioning unit and the rotational positioning unit described above while suppressing the shaking of the video projection device. And return to a parallel plane. That is, it is possible to return to the original setting position.
  • Example 2 it is possible to ensure the safety of the user and protect the device from damage even against an impact on the video projection device 10 ′. Even after a collision, while suppressing the shaking of the video projection device, it is possible to quickly return to the original setting position of the video projection device, and it is not necessary to set the troublesome position again. Very convenient. (Example 2)
  • the fixed portion 20 fixed to the ceiling surface 50 by being in contact with and attached to the bottom surface 72 of the wiring device 70 is a disc-like shape as described above.
  • a cylindrical member 25 is provided.
  • An opening 27 is formed in a part of the bottom surface 26 of the cylindrical member 25.
  • a hook-like portion 28 is formed at the upper end of the cylindrical member 25. Similarly to the above, the hook-like portion 28 is brought into contact with the fixed portion 20 and is, for example, screwed by a screw 21 not shown here. Fixed.
  • three seating members 29 are provided with screws 291 and the like. It is fixed by.
  • Reference numeral 292 denotes a guide portion formed integrally with the seating member 29.
  • the movable part 30 is replaced with the triangular metal member of the first embodiment, and in this example, as is apparent from FIG. It is formed by attaching to the part).
  • the movable portion 30 is in a state in which the support pole 31 attached integrally is inserted into the opening portion 27 formed in the bottom surface 26 of the cylindrical member 25 of the fixed portion 20.
  • the three rod-shaped members 34 attached to the upper end portions thereof are positioned in the vertical direction by the three protrusions 251 formed on the bottom surface 26 of the cylindrical member 25 and rotated by the guide portion 292 of the seating member 29.
  • Directional positioning is performed.
  • one pressing spring 24 ′ is attached, and is attached between the disk-shaped members constituting the fixing portion 20. The rod-shaped member 34 and thus the movable part 30 are pressed against the cylindrical member 25.
  • the three projecting portions 251 of the cylindrical member 25 constituting the fixing portion 20 are formed on the ceiling surface 50 in the same manner as described with reference to FIG. A reference plane which is a fixed plane is formed.
  • the three rod-shaped members 34 fixed to the upper end of the support pole 31 are pressed downward by the single pressing spring 24 ′, so that at the position of the three protruding portions 251. It stops and is positioned on the reference plane or a plane parallel to the reference plane.
  • the movable unit 30 moves against the one pressing spring 24 ′.
  • the support pole 31 fixed to the bottom surface of the support pole 31 can be moved (that is, inclined). Accordingly, the impact is absorbed and / or alleviated to ensure the safety of the user, and the video projection apparatus is protected from damage.
  • the movable portion 30 is pushed back by the action of the one pressing spring 24 ′ as described above, and the three projecting portions 251 and the seating member 29 are moved. Stop at position.
  • the movable unit 30 can quickly and again revert to the reference plane or a plane parallel to the reference plane by the functions of the vertical positioning unit and the rotational positioning unit described above while suppressing the shaking of the video projection device. It becomes possible to return to the original setting position.
  • the mounting device according to the second embodiment can ensure the safety of the user and protect the device from damage to the impact on the video projection device 10 ′. While suppressing the shaking of the video projection device, it is possible to quickly return to the original setting position of the video projection device, and it is not necessary to set the troublesome position again, which is very convenient for the user.
  • FIG. 15 shows an example of the internal structure of a video projection device 10 ′ with an illumination function in which the video projection function is mounted on the illumination device shown in FIG.
  • a holding member 200 constituting a built-in base is arranged in a T shape inside the shade 110, and the main structures and parts of the lighting device 10 are attached to the holding member 200. It has a fixed configuration. That is, the holding unit 200 is mounted with the optical unit 300, and in the vicinity of the lower end thereof, an annular LED substrate 420 is also formed on the surface of the annular aluminum heat sink 410, A so-called illumination LED 400 in which a plurality of illumination LEDs 430 are arranged on the substrate surface is horizontally mounted.
  • the light emitting element of the illumination LED is an illumination light source of the present illumination device.
  • An illumination cover 130 including an illumination light diffusion plate is attached to the lower end of the shade 110.
  • a plurality of rods and protrusions are attached to the surface of the holding member 200, and a circuit board 240, a power supply unit 500, and the like are attached to the top thereof.
  • the speaker 700 is similarly attached.
  • an upper power cable 76 (not shown here) for supplying power from the above-described wiring device 70 is attached to the upper end portion of the holding member 200, and a louver 650 is formed on the outer peripheral surface of the upper cover. 660 is attached.
  • a fan bracket made of a disk-shaped metal plate is horizontally mounted, and on the upper surface thereof, for example, a fan which is a blowing means made of an axial fan or an electric motor
  • a cooling mechanism for discharging the air in the shade 110 to the outside through the louver 650 is configured.
  • a heat sink 700 is attached to the other surface of the holding member 200 via a heat pipe 710, and heat generated by the optical unit 300 is transmitted to an air flow inside the shade 110 to dissipate necessary heat. I am trying.
  • FIG. 16 is a block diagram illustrating an example of a circuit configuration of the above-described video projection device with a lighting function 10 ′.
  • the video projection apparatus 10 'roughly includes an AC / DC power source 500 for converting the power source into necessary AC or DC power, an illumination unit 200 for realizing an illumination function, and
  • the optical projection unit is composed of an optical unit 300.
  • the illumination unit 200 includes an LED driver 440 that receives a control signal from the outside (for example, from the microcomputer 1730 of the optical unit unit 300 described below) and controls a drive current, and thereby an LED substrate.
  • the illumination LED 430 arranged on the surface of 420 is appropriately driven by the current supplied from the LED driver 440.
  • the optical unit unit 300 includes a microcomputer 1703 that inputs an operation signal from a user from an operation signal input unit (not shown) via an operation button, a remote controller, or the like, and outputs various control signals.
  • One of the control signals is output to the illumination unit 200 described above, and is also output to the panel driver 1712 and the light source driving unit 1717 constituting the optical unit unit 300 and further to the sound processing unit 2405.
  • the panel driver 1712 controls an image displayed on a panel 1713 including an LCD, DMD (Digital Micromirror Device: registered trademark), and the like based on the panel control signal, and the light source control signal is a light source drive unit 1717.
  • the LED light source 1716 that constitutes the light source of the video projector is driven and controlled via the, and the illumination light is irradiated onto the panel 1713 via the illumination optical system 1715 including a lens and a mirror.
  • the illumination light from the illumination optical system 1715 is modulated by the panel 1713 to become image light, and is projected onto the projection plane set via the projection optical system 1714 including the projection lens and mirror.
  • the audio signal is converted by the audio processing unit 2405 and supplied to the speaker 2406 to be output as audio.
  • the optical unit 300 can have various functions. However, it is not always necessary to have all of the above-described configurations, and basically has a function of projecting an image. Any configuration may be used.
  • the video projection apparatus can be used even when the human body contacts a part of the video projection apparatus or in the case of an earthquake or the like. And the user can be protected from the shock, and the undesired shaking of the video screen projected from the video projection device generated at that time can be quickly stopped to return the device to its original posture. It can be said that it is a safe and reliable video projection system and a video projection device mounting device for that purpose. That is, according to the present invention, it is possible to provide a video projection apparatus mounting apparatus or a video projection system including the apparatus that is more suitable for the user.
  • the video projection apparatus mounting apparatus and the video projection apparatus system including the same have been described above.
  • the present invention is not limited to the above-described embodiments, and includes various modifications.
  • the above-described embodiments are described in detail for the entire system in order to explain the present invention in an easy-to-understand manner, and are not necessarily limited to those having all the configurations described.
  • a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.

Abstract

L'invention concerne un dispositif de fixation destiné à un dispositif de projection d'image davantage préféré par des utilisateurs, et un système de projection d'image le comprenant. Un système de projection d'image comprend : un dispositif de projection d'image servant à produire une lumière d'image, à projeter la lumière d'image sur une surface de projection et à produire une image ; et un dispositif de maintien servant à fixer et à maintenir le dispositif de projection d'image sur une partie d'un bâtiment, ou une partie d'un accessoire fourni à un bâtiment, de manière à obtenir une posture souhaitée par rapport à la surface de projection, le dispositif de maintien étant conçu de sorte que la position du dispositif de projection d'image puisse être déplacée lorsqu'une force externe supérieure ou égale à une force prescrite est appliquée au dispositif de projection d'image, avant que le dispositif de projection d'image ne supprime l'agitation provoquée par ce dernier et ne revienne de manière autonome à sa position d'origine.
PCT/JP2016/076383 2016-09-08 2016-09-08 Dispositif de fixation pour dispositif de projection d'image, et système de projection d'image utilisant ce dernier WO2018047262A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018537926A JP6734924B2 (ja) 2016-09-08 2016-09-08 映像投射装置の取付け装置とそれを用いた映像投射システム
PCT/JP2016/076383 WO2018047262A1 (fr) 2016-09-08 2016-09-08 Dispositif de fixation pour dispositif de projection d'image, et système de projection d'image utilisant ce dernier

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Application Number Priority Date Filing Date Title
PCT/JP2016/076383 WO2018047262A1 (fr) 2016-09-08 2016-09-08 Dispositif de fixation pour dispositif de projection d'image, et système de projection d'image utilisant ce dernier

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WO2018047262A1 true WO2018047262A1 (fr) 2018-03-15

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