JPH07322387A - Acoustic device - Google Patents

Abstract

PURPOSE:To form an excellent speaker horn of larger diameter by a static damping processing. CONSTITUTION:A speaker horn 10 is formed by combining plural plate bodies 1a to 1d having each prescribed curved surface. Each plate body 1a to 1d is the one where the plate body of wood such as plywood, etc., is worked and each curved surface is fixed to each prescribed shape according to the acoustic characteristic, etc., of the speaker 2 provided at the rear end part of the horn 10. By combining these plate bodies 1a to 1d, the speaker horn 10 is formed, and tiles 3 for construction, for instance, are sticked on the surface to be the internal side when these plate bodies 1a to 1d are combined. Namely, as for these tiles 3, adhesive for tile sticking is provided on the surface to be each internal side in a state that the plate bodies 1a to 1d are dismantled, the tiles 3 are arranged on this surface and they are sticked on the surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-quality audio system, and more particularly to an audio device used in a listening room for home use, an audio system in a home theater or a movie theater, and the like.

[0002]

2. Description of the Related Art In a high-class acoustic system used in a listening room, a home theater, a movie theater, etc., a large-diameter speaker horn (acoustic apparatus) is used for the purpose of faithfully reproducing a low sound range. Such a large-diameter speaker horn is made by processing wood, for example, and was conventionally made by a special order from a user to a maker.

On the other hand, there is a trend toward increasing the quality of audio systems, and the order for large-diameter speaker horns as described above tends to increase. Therefore, it was considered to mass-produce such a large-diameter speaker horn.

By the way, in such a speaker horn, a static vibration process is required to remove resonance of the horn for desired sound. As such static vibration processing,
Conventionally, for example, processing such as applying concrete for construction or plaster to a predetermined thickness on the inner surface of the speaker horn is performed.

However, a special technique is required to apply the concrete or the like with a predetermined thickness (about 1 cm). In particular, in order to smoothly apply concrete or the like to a predetermined thickness in accordance with the curved surface required for the speaker horn, a skilled engineer needs to perform the work.

[0006] When such a process of applying concrete or the like to a predetermined thickness is performed in the user's listening room, no matter how skilled the engineer may be, there is no fear of cleaning the room. It cannot be solved.

Further, the speaker horn, which has been treated by applying concrete or the like with a predetermined thickness,
It is extremely heavy and is difficult to disassemble and reassemble. Therefore, once such a speaker horn is installed, it is extremely difficult to move or carry it from the place. Further, mass production of such a speaker horn and easy installation thereof have been impossible at all.

[0008]

This application has been made in view of the above-mentioned problems, and the problem to be solved is that the conventional speaker horn is applied with concrete or the like in a predetermined thickness. A technician skilled in processing is required, and disassembling and reassembling is difficult, and once installed, it is extremely difficult to move or transport from that location,
Furthermore, it was impossible to mass-produce such a speaker horn so that it could be easily installed.

[0009]

A first means according to the present invention is a plurality of plate bodies 1a, 1 each having a predetermined curved surface.
b, 1c, and 1d, the speaker horn 10 is formed by combining these plates, and the tile 3 is attached to the inner surface of these plates when combined. It is an audio device.

A second means according to the present invention is the acoustic device described in the first means, characterized in that the plurality of plate bodies can be disassembled respectively.

According to a third aspect of the present invention, in the acoustic device according to the first aspect, at least one of the plurality of plate bodies is formed in a flat surface.

[0012]

According to this, a plurality of plate bodies each having a predetermined curved surface are formed, and these plate bodies are combined to form a speaker horn, and the inner surface when these plate bodies are combined. By the tile being pasted on, by this pasted tile,
Static vibration is generated when the speaker horn is formed, and a good large-diameter speaker horn can be formed.

Further, since the plurality of plate bodies can be disassembled respectively, they can be transported in the disassembled state,
It can be easily installed in any place.

Further, since at least one of the plurality of plate bodies is formed into a flat surface, the flat surface can be used as a bottom surface for easy and stable installation.

[0015]

1 is a perspective view showing the appearance of a speaker horn (sound device) in an assembled state. In FIG. 1, a plurality of plate bodies 1a each having a predetermined curved surface,
1b, 1c, 1d are combined to form a speaker horn 10
Is formed. Here, each plate 1a, 1b, 1c, 1d
Is a machined wood plate such as plywood, and its curved surface is set to a predetermined shape in accordance with the acoustic characteristics of the speaker 2 provided at the rear end of the horn 10. is there.

These plate bodies 1a, 1b, 1c, 1
The speaker horn 10 is formed by combining d with each other, and the inner surface when these plate bodies 1a, 1b, 1c, and 1d are combined with each other, for example, a building tile 3
Is pasted. That is, these tiles 3 are provided with adhesives for sticking tiles on their inner surfaces in a state where the plates 1a, 1b, 1c, 1d are disassembled, and the tiles 3 are arranged on top of this. It can be pasted.

Further, FIG. 2 shows the plates 1a, 1b, 1c, 1d.
It is a front view of the state where was disassembled. Reference numeral 1e denotes a plate body provided with the speakers 2 provided at the rear end of the horn 10, and in this example, four speakers 2 are provided. Note that, in FIG. 2, the plate body 1a serving as the upper surface and the plate body 1c serving as the lower surface are shown in the same shape in the front view, but the plate body 1a has the curves shown by the plate bodies 1b and 1d serving as the side surfaces. Is formed on the curved surface.

These plate bodies 1a, 1b, 1c, 1
An adhesive for attaching tiles is provided on the inner surface when d is combined, and the tiles 3 are arranged and attached on the adhesive. That is, as shown in FIG. 3, the plate body in this figure is, for example, a plywood 1 having a thickness of 30 mm, and an adhesive 4 for tile attachment is provided on the inner surface of the plywood 1.
Is provided, and the tiles 3 are arranged and pasted on this.

Further, in FIG. 3, two plywoods 1 are arranged so that their ends are at right angles, and the ends are joined by wood screws 5 or the like. In this way, the speaker horn 10
Is assembled. In this example, the assembled speaker horn 10 is formed such that the front opening has a height of 200 cm, a width of 100 cm, and a depth of 160 cm.

Thus, according to the above-mentioned apparatus, a plurality of plate bodies 1a, 1b, 1c, 1d each having a predetermined curved surface are provided.
And the tile 3 is attached to the surface of the speaker horn 10 that is formed by combining these plate bodies and is an inner side when these plate bodies are combined. By virtue of this, static vibration is performed when the speaker horn is formed, and a good large-diameter speaker horn can be formed.

The plywood 1 having a thickness of 30 mm as described above
The adhesive 4 for attaching the tile is provided on the inner surface of the
It has been experimentally confirmed that, by arranging and adhering the tiles 3 on this, the effect of static vibration equivalent to that obtained when the above-mentioned concrete or the like is applied to a thickness of about 1 cm is obtained. .

Further, the process of attaching the tiles 3 to the inner surface of the plywood 1 may be performed by simply applying the adhesive 4 for attaching the tiles and then arranging the tiles 3, which requires skill. Absent.

Then, as shown in FIG. 2, the plate 1a,
1b, 1c, 1d, and a speaker 2 provided at the rear end
Since the plate body 1e to be installed can be disassembled, it can be transported in this disassembled state and easily installed at any place.

That is, the tile 3 is provided on the inner surface of the plywood 1.
The plate bodies 1a, 1b, 1c, 1d to which is attached are much lighter than those applied with concrete or the like to a predetermined thickness, and the tile 3 attached to such a plywood 1 is used. Is much less likely to be damaged during transportation.
Therefore, it can be easily transported and installed. Further, it can be easily disassembled after installation and reassembled.

Further, the process up to attaching the tiles 3 to the inner surface of the plywood 1 can be performed in the factory of the maker, and it is possible to eliminate the risk of polluting the user's room or the like at the time of installation. It is possible to mass-produce the device.

Further, since at least one of the plates 1a, 1b, 1c, 1d (the plate 1c) is formed in a flat surface, the flat surface can be used as a bottom surface for easy and stable installation. It is a thing.

In the above embodiment, the plate members 1b, 1d are used.
Although the plate bodies 1b and 1d are also formed in a flat surface, they may be formed in a predetermined curved surface according to the acoustic characteristics of the speaker 2 and the like. In that case, the sides on both sides of the plates 1a and 1c are curved lines that match the curved surfaces.

[0028]

According to the present invention, a plurality of plate bodies each having a predetermined curved surface are formed, and these plate bodies are combined to form a speaker horn, and when these plate bodies are combined, the inner side is formed. Since the tiles are attached to the surface to be used, the attached tiles perform static vibration when the speaker horn is formed, so that a good large-diameter speaker horn can be formed. Became.

Further, since a plurality of plate bodies can be disassembled respectively, they can be transported in the disassembled state,
It can now be easily installed anywhere.

Further, since at least one of the plurality of plate bodies is formed into a flat surface, the flat surface can be used as a bottom surface for easy and stable installation.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an example of a speakerphone (sound device) according to the present invention.

FIG. 2 is a diagram for explaining the explanation.

FIG. 3 is a diagram for explaining the explanation.

[Explanation of Codes] 1a, 1b, 1c, 1d Plate 10 Speaker Horn 2 Speaker 3 Tiles

Claims (3)

[Claims] 1. A plurality of plate members each having a predetermined curved surface are formed, and a speaker horn is formed by combining these plate members, and a tile is provided on the inner surface of these plate members when combined. An acoustic device characterized by being attached. 2. The acoustic device according to claim 1, wherein the plurality of plate bodies can be individually disassembled. 3. The acoustic device according to claim 1, wherein at least one of the plurality of plate bodies is formed in a flat surface.