JPH0686384A - Theater unit - Google Patents

Abstract

PURPOSE:To make a low sound range attractive, and to allow a listener to enjoy a deep surround effect and a high presence with a sense of unity with sound and video by arranging a speaker for a middle pitched and high pitched sounds, center speaker, and a speaker for a low pitched sound so as to be integrated with a screen device. CONSTITUTION:A housing unit 2 is arranged in a housing space formed in a home theater room R, and a pair of longitudinal speaker devices 4 and 5 for the middle pitched and high pitched sounds, center speaker 9, and speaker devices 7 and 8 for the low pitched sound are integrated in the housing unit 2. Moreover, a screen 20 is integrated with the speaker devices. Thus, not only the acoustic effect of the middle pitched and high pitched sounds but also the affluent volume sense of the low pitched sound area can be made attractive, and the surround effect producing the sense of unity with a screen video and a well-balanced atmosphere in which an effective sound can surround the theater room.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a theater unit for reproducing sound accompanying an image projected on a screen.

[0002]

2. Description of the Related Art In recent homes, various systems are provided indoors to improve the living environment. Among these systems, audiovisual (AV
A home theater system is known as a device that improves the indoor environment by utilizing equipment.

In this system, an image projected from a projection type AV device or the like is displayed on a screen drawn from a screen device, and a sound accompanying the image is reproduced by a speaker device provided on the floor in the room. . In the screen device, a flexible screen made of beads or mat is pulled down from the inside of the device to a wall portion near the ceiling of a living room or the like and set as a screen. The projection type AV device is mounted on the screen. From now on, images with realistic sensation are projected. In addition, a plurality of speaker devices are arranged on the left and right floors of a screen set by a plurality of boxes each having a speaker unit built therein.

[0004]

However, in the conventional home theater system, since the speaker system for low-pitched sound is delayed, and it is necessary to set the speaker individually, the sound image localization is unsatisfactory. It was stable, and it was difficult to enjoy a sufficient surround effect with sound and video integrated.

Further, in the conventional home theater system, since a plurality of speaker boxes are arranged on the floor in the room, even in a large home theater room,
The room space became smaller, making it difficult to make effective use of the room space.

Therefore, the present invention has been made in view of the above circumstances, in which a mid-high range speaker, a center speaker, and the low-range speaker are integrally provided with a screen device. While enhancing the low range, keeping the sound image localization stable,
It is an object of the present invention to provide a theater unit that can enjoy a deep and deep surround effect with a sense of unity of sound and image and a high sense of presence.

[0007]

DISCLOSURE OF THE INVENTION The present invention is a theater unit for reproducing sound accompanying an image projected on a screen, which is provided on both edges of a flexible screen set on a wall in a room. Along with it, a pair of vertically elongated mid-high range speaker boxes with built-in speaker units were installed, and a center speaker was placed in the center along the lower edge of the screen, and bass speakers were placed on both sides. It is a theater unit characterized by that.

[0008]

According to the theater unit of the present invention, vertically long mid-high range speaker boxes are arranged along both edges of the flexible screen set on the wall of the room.
The center speaker is located in the center along the lower edge of the screen, and the bass speakers are arranged on both sides of the screen to enhance the mid-to-high range acoustic effect and the rich bass range. You can enjoy the surround effect with sufficient depth.

Also, the theater unit according to the present invention is
The screen and the speaker device are integrated, and by arranging and fixing the speaker device in place, there is a sense of unity with the screen image, and the serif is firmly localized at the display position during surround playback,
You can get surround sound effects that create a well-balanced atmosphere that surrounds the theater room.

Further, the theater unit according to the present invention has a structure in which the screen device and the speaker device are incorporated in the theater room by a unit mechanism, and it is compact and can effectively utilize the room space of the theater room. When not in use, the theater room can be used for multiple purposes.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the theater apparatus of the present invention will be described below with reference to the drawings. The theater device according to the present embodiment has a structure in which a storage space is formed in a home theater room as shown in FIG. 1, and a storage unit 2 that is unitized is arranged in this storage space. A pair of vertical speaker boxes 4, 5 for middle and high frequencies, and a center speaker 9
The speaker boxes 7 and 8 for bass sound are built in the storage unit 2 with the center of FIG.

As shown in FIGS. 2 and 3, when the theater device is viewed from the room side R, a pair of vertically long speaker boxes 4 and 5 for middle and high frequencies arranged on the left and right of the storage unit 2 and these vertically long speakers. A screen device 3 arranged above the speaker boxes 4 and 5 in a suspended state;
A mounting plate 6 disposed under the vertically long speaker boxes 4 and 5 and a center speaker box 9 disposed below the mounting plate 6 are located at the center of the speaker boxes 7 and 8 for bass sound. And a cabinet 10 for accommodating an amplifier, a video, etc. arranged below the speakers 7, 8 and 9. The opening 11 defined by the vertically long speaker boxes 4, 5, the screen device 3, and the mounting plate 6 can be used for a TV (television) stand or a bookshelf as shown in FIG. A storage space 12 is provided.

That is, the above-mentioned theater unit comprises the screen device 3, the bass speakers 7 and 8, and the cabinet 10. Therefore, the theater unit according to the present invention will be described below in detail for each of the above parts.

First, the screen device 3 is formed in a rectangular parallelepiped box shape by plywood or the like as shown in FIG. 4, and in the longitudinal direction of the bottom plate 13, the inside 14 and the opening 11 are formed.
Inside the screen box 16 in which the slits 15 that communicate with each other are formed, a winding roller 17 disposed so as to be rotatable about an axis, and a winding roller 17 that is wound around the winding roller 17 and rotates. It is composed of a screen 20 that passes through the slit 15 and is pulled down toward the mounting plate 6 below the opening 11.

Then, the winding roller 17 is rotated in the forward and reverse directions (the forward direction is the pulling down direction of the screen 20, and the reverse direction is the winding direction of the screen 20).
A drive motor (not shown) is provided continuously with the winding roller 17 as a means for rotating the roller. Therefore,
In order to store the screen 20 in the screen box 16, the winding motor 17 is rotated in the reverse direction by the drive motor, and the screen 20 can be moved and wound around the winding roller 17 by the operation reverse to the above operation. On the other hand, in the lower position of the screen 20,
The rod member 29 is fixed, and this rod member 29 is stopped at the slit 15 portion of the screen box 16 when the screen 20 is wound up. In this embodiment, as the method of setting the screen 20, the method of rotating the winding roller 17 in the forward and reverse directions by the drive motor is adopted, but it is also possible to set the screen by a manual operation such as a ratchet mechanism.

Further, the side plates (box plates) 23 and 24 on the opening side of the vertically long speaker boxes 4 and 5 correspond to both end portions of the slit 15 formed in the bottom plate 13 of the screen device 3 in a plan view. As shown in FIG. 5, a vertical groove portion 25 is formed. In the groove portion 25, a long frame member 26 formed in a U shape by an aluminum plate or the like is arranged toward the open portion 11 side. It is set up. Then, inside the frame member 26, the vertical edge portion 20c of the screen 20 pulled down from the screen device 3 and the end portion of the rod member 29 pass through.

Further, as shown in FIG. 6, brushes 27 are continuously provided in the longitudinal direction on the opposing inner surfaces 26a and 26b of the frame member 26. The brush 27 is a hard material made of fibrous nylon or the like, is provided in the shape of a long substrate, and a holding member 28 for holding the substrate is provided as shown in FIG. The brushes 27 are joined to the inner surfaces 26a and 26b of the parts by spot welding, and the brushes 27 are thus arranged to face each other in the vertical direction of the frame member 26. Where brush 2
The length of 7 is such that when the screen 20 moves between the opposing brushes 27, the tip of the brush 27 is elastically deformed while uniformly pressing the front surface 20a or the back surface 20b of the vertical edge portion 20c of the screen 20. Is set to.

As described above, in this embodiment, the screen 20
Although the brush 27 is used as a member that regulates the front surface side and the back surface side of the edge portion 20c of the screen 20, the same effect can be obtained by using another regulating member as long as it prevents the edge portion 20c of the screen 20 from curling. Obtainable.

Then, the frame member 26 piece 26a, 2
First, the brush 27 attached to 6b is pushed up when the rod member 29 passes, and when the edge portion 20c of the screen 20 further passes, the tip portion of the brush 27 elastically deforms to move the edge portion 20c to the front surface 20a side and the back surface 20b. Press evenly from the side. In this state, when the screen 20 is pulled down to the mounting plate 6 side and set, the screen 2
The entire area in the vertical direction of the edge portion 20c of 0 is regulated by the brush 27 from the front surface side 20a and the back surface side 20b. Thereby,
The warp of the edge portion 20c of the screen 20 is prevented, and the entire screen 20 is set in a flat plate shape. Then, even when an image is displayed on the screen 20 from the projector 1, distortion (out of focus) of the edge portion 20c of the screen 20 is eliminated, and normal movie viewing can be performed even if the screen 20 has a large screen specification. .

As shown in FIGS. 2 and 3, the speaker device has rectangular parallelepiped box-shaped vertically long speaker boxes 4 and 5 arranged on the left and right of the opening 11 when viewed from the room side R in a state where the screen device 3 is bridged. And inside of it,
A plurality of high-pitched speaker units 21 are provided. Below the mounting plate 6 arranged in the lower portion between the vertically long speaker boxes 4 and 5, the center speaker box 9 is located at the center and the speaker boxes 7 and 8 for bass such as a super woofer or a woofer are provided on both sides thereof. It has been incorporated. In addition, in the speaker device in the embodiment, in order to obtain a higher sound effect and a sense of reality,
As shown in FIG. 1, the rear speakers 19 and 19 are provided on the ceiling of the theater room.

Therefore, with the speaker device having the above-described structure, it is possible to obtain not only the acoustic effect of middle and high frequencies but also the acoustic effect of a sufficient low frequency range, and the conventional AV.
It is possible to stabilize the sound image localization that was difficult to obtain with the device.

Further, since the speaker device has a structure incorporated in the storage unit 2 and does not require a space for arranging the speaker box on the floor of the room R, the indoor space can be effectively used.

Further, the wiring mechanism of the screen device 3 and the speaker device is a wall panel 51 as shown in FIG.
It has a structure arranged inside. The structure of the wall panel 51 is composed of a frame body assembled in a rectangular frame shape by vertical and horizontal core materials 51a, and a face plate 51b attached to at least the exterior side of the frame body. In the present invention, the wiring 32 is arranged by utilizing the space inside the wall panel 51. Therefore, by arranging the wiring 32 of the theater device inside the wall panel 51 as described above, it is possible to reduce the possibility that each wiring 32 is confused, and to expose the wiring 32 indoors. Therefore, a complicated wiring mechanism can be provided without disturbing the aesthetics of the room.

The wiring system becomes more complicated as it becomes a full-fledged AV device. However, by adopting a mechanism in which the wiring 32 is already provided inside the wall panel 51, even in a general household It becomes possible to install a typical AV device, and it becomes possible to enjoy full-scale movie viewing.

The relay terminal board 40 for connecting the wiring 32 of the theater device as described above is provided on the back surface of the rear plate 50 of the lower storage shelf of the center speaker 9 as shown in FIG. And this relay terminal board 40
Has a structure as shown in FIG. 9, in the center of which a terminal 34 for a projector and a terminal 35 for a TV antenna are provided, and on one side thereof, an outlet terminal 33,
A terminal 36 for a front speaker, a terminal 37 for a rear speaker, and a terminal 38 for a center speaker are formed on the other side.

Therefore, as shown in FIGS. 4 and 8, the terminals of the above-described speaker devices are wired through the through holes 30 provided in the back plate of the cabinet 10 and the mounting plate 6, and the relay is provided. It is connected to the terminal board 40.

Therefore, by providing the above-mentioned relay terminal board 40 on the back side of the back plate 50 of the storage shelf formed under the center speaker 9 of the theater device, the complicated wiring mechanism of the theater device is unified. It becomes easy to understand the configuration of the wiring mechanism. And, of course, it is not only possible to install a full-scale oriented theater device having a complicated wiring mechanism in a general home and enjoy it at home. It will be possible to easily add more and expand their functions.

Further, in addition to the screen device 3 and the speaker device described above, and the wiring mechanism for both of them, the theater unit according to the present invention forms a storage space 12 on the wall surface on which the screen 20 is arranged, and a storage rack or the like. By providing the space, it becomes possible to effectively use the space of the theater room.

In recent years, looking at the reality of housing conditions in general households, while the number of rooms in one household and the area of each room sharply decrease, in such a current situation, a space of spiritual peace, The design of the room space, which is how to efficiently create it in a natural form, is also an issue that is drawing attention. And, as reflected by the desire for fulfillment in mental health, these days AV for satisfying hobbies and tastes
The trend toward full-scale production of equipment products and AV equipment tends to become even more heated.

Therefore, the theater unit according to the present invention is provided with a theater device comprising such AV equipment and AV products in a unit form so as to be more functionally incorporated in the room of a general home. In other words, the theater unit of the present invention cherishes its environmental effect during the movie screening when the screen device and speaker device are used, and therefore, the storage space is carefully designed so as not to damage the aesthetics of the room. It is formed on the wall surface where the screen is arranged. On the other hand, when the theater is not used, the storage space is designed to be multi-functional so that the room space can be used for multiple purposes. That is, the storage space 12 provided on the wall surface on which the screen is arranged is shown in FIG.
As shown in Fig. 7, it is not limited to use as a bookshelf and TV stand, but it is also possible to use the entire surface as a bookshelf by replacing the partition board 18, and the entire surface can be used as a large storage space or bay window. It is also possible to design an original storage space, such as by providing a cage.

By using the above-mentioned storage space, it is possible to add AV equipment and enjoy a wider range of full-scale movie viewing.

[0032]

As described above, the theater unit according to the present invention is used for vertically long medium- and high-pitched sounds along both edges in the vertical direction of the flexible screen set vertically on the wall of the room. In addition to the built-in speaker box, with the center speaker along the lower edge of the screen and the bass speakers on both sides of the screen, the bass effect is enhanced in addition to the mid-high range sound effect. You can enjoy the deep surround effect that brings out the volume.

Further, the theater unit according to the present invention,
A unit system that integrates the screen and the speaker device, and by mounting and fixing the speaker device in place, there is a sense of unity with the screen image, and the serif is firmly localized at the display position during surround playback, and the sound effect It is possible to get a sense of presence that creates a well-balanced atmosphere that surrounds the theater room.

In the theater unit of the present invention, since the screen device and the speaker device are already incorporated in the theater room by the unit mechanism, it is compact and the room space of the theater room can be effectively used. Also, the theater room can be used for multiple purposes when the screen is not used.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a theater unit of the present invention is arranged indoors.

FIG. 2 is a plan view showing a state where the screen of the theater unit according to the embodiment of the present invention is pulled out.

FIG. 3 is a plan view showing a state where the screen of the theater unit according to the embodiment of the present invention is pulled up.

FIG. 4 is a perspective view showing a restricting means provided on a box side plate of the present invention.

5 is a cross-sectional view taken along the line B-B ′ in FIG.

6 is a cross-sectional view taken along the line A-A 'in FIG.

FIG. 7 is a diagram showing a wiring mechanism of a theater unit according to the present invention.

FIG. 8 is a cross-sectional view showing a position of a relay terminal board of the theater unit according to the present invention.

9 is an enlarged plan view of the relay terminal board shown in FIG.

[Explanation of symbols]

 2 Storage unit 3 Screen device 4 Vertical speaker box (speaker device) 5 Vertical speaker box (speaker device) 7 Bass speaker 8 Bass speaker 9 Center speaker 12 Storage space 20 Screen 20c Vertical edge of screen R Indoor

Claims (1)

[Claims] 1. A theater unit for general homes that reproduces sound accompanying an image displayed on a screen, the interior of which is provided along both edges of a flexible screen set on a wall in a room. A pair of vertically long mid-high range speaker boxes with built-in speaker units was installed in the center of the screen, and the center speaker was placed along the lower edge of the screen, and the bass speakers were placed on both sides. Characteristic theater unit.