JPWO2006134654A1 - 吸音構造 - Google Patents
吸音構造 Download PDFInfo
- Publication number
- JPWO2006134654A1 JPWO2006134654A1 JP2007521043A JP2007521043A JPWO2006134654A1 JP WO2006134654 A1 JPWO2006134654 A1 JP WO2006134654A1 JP 2007521043 A JP2007521043 A JP 2007521043A JP 2007521043 A JP2007521043 A JP 2007521043A JP WO2006134654 A1 JPWO2006134654 A1 JP WO2006134654A1
- Authority
- JP
- Japan
- Prior art keywords
- sound
- wave
- sound absorbing
- absorbing material
- path
- 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.)
- Granted
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
11 狭窄部
12 音道
20 吸音材
30 後方壁面
40、41 壁面
50 吸音材
60 無響室
61、62 囲い壁
63a、63b 遮音壁
64 四角柱
70 スピーカ
80、81 マイクロホン
−0.5dB〜+0.5dB(16Hz〜24KHz)
−1.0dB〜+1.0dB(14Hz〜28KHz)
−4.2dB(10Hz)
位相誤差:1/200000秒以下
Claims (10)
- 壁面で構成される、音波の通る音道につき、その断面構成が、少なくとも、その入り側で開口面積の減少率が徐々に小さくなるように構成された狭窄部を有することを特徴とする吸音構造。
- 上記音道中に吸音材を充填した請求項1記載の吸音構造。
- 壁面で構成される、音波の通る音道につき、その断面構成が、その入り側で開口面積の減少率が徐々に小さくなり、その出側で逆に開口面積の増大率が徐々に大きくなるように構成された狭窄部を有することを特徴とする吸音構造。
- 上記音道中に吸音材を充填した請求項3記載の吸音構造。
- 上記音道の出側の離れた位置に、該出側開口に平行な後方壁面を有することを特徴とする請求項3記載の吸音構造。
- 上記音道中に吸音材を充填した請求項5記載の吸音構造。
- 上記請求項3記載の吸音構造を、平面状に並ぶように、複数個平行に設けた吸音構造。
- 上記音道中に吸音材を充填した請求項7記載の吸音構造。
- 上記請求項3記載の吸音構造を、平面状に並ぶように、複数個平行に設けると共に、該出側開口に平行な後方壁面を有することを特徴とする請求項3記載の吸音構造。
- 上記音道中に吸音材を充填した請求項9記載の吸音構造。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/011051 WO2006134654A1 (ja) | 2005-06-16 | 2005-06-16 | 吸音構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006134654A1 true JPWO2006134654A1 (ja) | 2009-01-08 |
JP4728331B2 JP4728331B2 (ja) | 2011-07-20 |
Family
ID=37532026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007521043A Expired - Fee Related JP4728331B2 (ja) | 2005-06-16 | 2005-06-16 | 吸音構造 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4728331B2 (ja) |
WO (1) | WO2006134654A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6233796B2 (ja) | 2012-07-31 | 2017-11-22 | インターマン株式会社 | 携帯端末用ブース |
EP3029221B1 (en) | 2013-07-25 | 2020-03-04 | Interman Corporation | Booth for portable terminal |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5754200U (ja) * | 1980-09-11 | 1982-03-30 | ||
JPS62124106U (ja) * | 1986-01-30 | 1987-08-06 | ||
JPH10254456A (ja) * | 1997-03-07 | 1998-09-25 | Nissan Motor Co Ltd | 遮音板構造 |
JP2004150185A (ja) * | 2002-10-31 | 2004-05-27 | Takamura Sogyo Kk | 車両通行帯における防音壁の施工方法 |
JP2004169394A (ja) * | 2002-11-20 | 2004-06-17 | Takamura Sogyo Kk | 車両通行帯における防音プレート |
JP2005031240A (ja) * | 2003-07-09 | 2005-02-03 | Nakanishi Metal Works Co Ltd | 吸音パネルおよび吸音装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5288301A (en) * | 1976-01-19 | 1977-07-23 | Hiroshi Kofujita | Surge direction transmissive device |
JPS5754200A (ja) * | 1980-09-19 | 1982-03-31 | Chugai Pharmaceut Co Ltd | Suteroidojudotainoseizoho |
JPH0694487B2 (ja) * | 1985-11-26 | 1994-11-24 | 東邦チタニウム株式会社 | オレフイン類重合用触媒 |
JP3158801B2 (ja) * | 1993-08-31 | 2001-04-23 | 日産自動車株式会社 | 遮音構造 |
-
2005
- 2005-06-16 JP JP2007521043A patent/JP4728331B2/ja not_active Expired - Fee Related
- 2005-06-16 WO PCT/JP2005/011051 patent/WO2006134654A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5754200U (ja) * | 1980-09-11 | 1982-03-30 | ||
JPS62124106U (ja) * | 1986-01-30 | 1987-08-06 | ||
JPH10254456A (ja) * | 1997-03-07 | 1998-09-25 | Nissan Motor Co Ltd | 遮音板構造 |
JP2004150185A (ja) * | 2002-10-31 | 2004-05-27 | Takamura Sogyo Kk | 車両通行帯における防音壁の施工方法 |
JP2004169394A (ja) * | 2002-11-20 | 2004-06-17 | Takamura Sogyo Kk | 車両通行帯における防音プレート |
JP2005031240A (ja) * | 2003-07-09 | 2005-02-03 | Nakanishi Metal Works Co Ltd | 吸音パネルおよび吸音装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4728331B2 (ja) | 2011-07-20 |
WO2006134654A1 (ja) | 2006-12-21 |
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