JPH03100899U - - Google Patents
Info
- Publication number
- JPH03100899U JPH03100899U JP820990U JP820990U JPH03100899U JP H03100899 U JPH03100899 U JP H03100899U JP 820990 U JP820990 U JP 820990U JP 820990 U JP820990 U JP 820990U JP H03100899 U JPH03100899 U JP H03100899U
- Authority
- JP
- Japan
- Prior art keywords
- buttful
- partition member
- sealed box
- closed
- sound absorbing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図Ａ及びＢは本発明になる共鳴型吸音装置
の一実施例を示す図、第２図Ａ及びＢは変形例の
フロントバツフルを示す図、第３図Ａ及びＢは吸
音特性を示す図、第４図は従来例を示す図、第５
図は従来例を示す図である。
２……フロントバツフル、３……リアバツフル
、８……単一共振現象をおこす部材（スピーカア
レイ）、９ａ，９ｂ……フイン（仕切部材）、１
５……フロントバツフル（有孔板）、１６……孔
。
Figures 1A and B are diagrams showing an embodiment of the resonant sound absorbing device according to the present invention, Figures 2A and B are diagrams showing a modified front buttress, and Figures 3A and B are diagrams showing the sound absorption characteristics. Figure 4 is a diagram showing a conventional example, Figure 5 is a diagram showing a conventional example.
The figure shows a conventional example. 2...Front buttfull, 3...Rear buttfull, 8...Member that causes a single resonance phenomenon (speaker array), 9a, 9b...Fin (partition member), 1
5...Front butt full (perforated plate), 16...hole.
Claims (1)
フルと、このフロントバツフルを密閉する密閉箱
と、前記密閉箱内に設けられた開閉自在の仕切部
材とからなり、 前記仕切部材の開閉により、前記フロントバツ
フルの背後の閉塞空間を可変できるようにしたこ
とを特徴とする共鳴型吸音装置。[Claims for Utility Model Registration] Consisting of a front buttful made of a member that exhibits a single resonance phenomenon, a sealed box that seals the front buttful, and a partition member provided within the sealed box that can be opened and closed, A resonant sound absorbing device characterized in that a closed space behind the front buttress can be changed by opening and closing the partition member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP820990U JPH03100899U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP820990U JPH03100899U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03100899U true JPH03100899U (en) | 1991-10-22 |
Family
ID=31511843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP820990U Pending JPH03100899U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03100899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009036285A (en) * | 2007-08-01 | 2009-02-19 | Nobuyuki Sugimura | Accumulator rack |
-
1990
- 1990-01-31 JP JP820990U patent/JPH03100899U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009036285A (en) * | 2007-08-01 | 2009-02-19 | Nobuyuki Sugimura | Accumulator rack |
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