JPS63242529A - 水中吸音体 - Google Patents
水中吸音体Info
- Publication number
- JPS63242529A JPS63242529A JP62077117A JP7711787A JPS63242529A JP S63242529 A JPS63242529 A JP S63242529A JP 62077117 A JP62077117 A JP 62077117A JP 7711787 A JP7711787 A JP 7711787A JP S63242529 A JPS63242529 A JP S63242529A
- Authority
- JP
- Japan
- Prior art keywords
- sound
- sound absorber
- gel
- underwater sound
- substance
- 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
Links
Landscapes
- Underground Or Underwater Handling Of Building Materials (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62077117A JPS63242529A (ja) | 1987-03-30 | 1987-03-30 | 水中吸音体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62077117A JPS63242529A (ja) | 1987-03-30 | 1987-03-30 | 水中吸音体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63242529A true JPS63242529A (ja) | 1988-10-07 |
| JPH0251730B2 JPH0251730B2 (de) | 1990-11-08 |
Family
ID=13624845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62077117A Granted JPS63242529A (ja) | 1987-03-30 | 1987-03-30 | 水中吸音体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63242529A (de) |
-
1987
- 1987-03-30 JP JP62077117A patent/JPS63242529A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0251730B2 (de) | 1990-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102460565B (zh) | 用于可听声频管理的声屏障 | |
| KR100924618B1 (ko) | 압전 엘리먼트 및 압전 엘리먼트를 구비한 진동 변환기 | |
| US4319661A (en) | Acoustic space absorber unit | |
| US4600077A (en) | Microphone wind shroud | |
| EP0692781A2 (de) | Kontaktelement für medizinische Ultraschallwandler | |
| JP2001517004A5 (de) | ||
| US6194814B1 (en) | Nosepiece having an integrated faceplate window for phased-array acoustic transducers | |
| DE3162339D1 (en) | Damped structure | |
| Dong et al. | Review of underwater sound absorption materials | |
| US20050089187A1 (en) | Nanoporous diaphragm for electromagentic transducer | |
| JPH02177799A (ja) | 整合部材及びその形成方法 | |
| US6347147B1 (en) | High noise suppression microphone | |
| US4779244A (en) | Ultrasonic transducer and attenuating material for use therein | |
| JPS63242529A (ja) | 水中吸音体 | |
| CN222839810U (zh) | 扬声器内的声学增强颗粒层结构和扬声器 | |
| JPS59212897A (ja) | 可変容量共振子 | |
| JP2007156309A (ja) | 吸音材 | |
| JPS61243858A (ja) | 複合型シリコーンゲル材 | |
| JP2012211442A (ja) | 防音シートおよび防音材 | |
| CN218399753U (zh) | 一种用于电器的隔音防护膜 | |
| JPH10266386A (ja) | 内装材 | |
| CN217323941U (zh) | 一种具有防霉性能的隔音棉 | |
| JP7676854B2 (ja) | 吸音材およびその製造方法 | |
| JPH0441444Y2 (de) | ||
| JPH04172498A (ja) | 遮音材 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071108 Year of fee payment: 17 |