CA2368235C - Systems and methods for passive pressure-compensation for acoustic transducers - Google Patents
Systems and methods for passive pressure-compensation for acoustic transducers Download PDFInfo
- Publication number
- CA2368235C CA2368235C CA002368235A CA2368235A CA2368235C CA 2368235 C CA2368235 C CA 2368235C CA 002368235 A CA002368235 A CA 002368235A CA 2368235 A CA2368235 A CA 2368235A CA 2368235 C CA2368235 C CA 2368235C
- Authority
- CA
- Canada
- Prior art keywords
- interior cavity
- pressure
- liquid
- housing
- incompressible fluid
- 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.)
- Expired - Fee Related
Links
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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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
- G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Measuring Fluid Pressure (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/285,135 US6483778B1 (en) | 1999-04-02 | 1999-04-02 | Systems and methods for passively compensating transducers |
| US09/285,135 | 1999-04-02 | ||
| PCT/US2000/006384 WO2000060573A1 (en) | 1999-04-02 | 2000-03-10 | Systems and methods for passive pressure-compensation for acoustic transducers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2368235A1 CA2368235A1 (en) | 2000-10-12 |
| CA2368235C true CA2368235C (en) | 2009-10-06 |
Family
ID=23092887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002368235A Expired - Fee Related CA2368235C (en) | 1999-04-02 | 2000-03-10 | Systems and methods for passive pressure-compensation for acoustic transducers |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6483778B1 (enExample) |
| EP (1) | EP1175669B1 (enExample) |
| JP (1) | JP4582915B2 (enExample) |
| AT (1) | ATE278235T1 (enExample) |
| AU (1) | AU764772B2 (enExample) |
| CA (1) | CA2368235C (enExample) |
| DE (1) | DE60014351T2 (enExample) |
| WO (1) | WO2000060573A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6864487B1 (en) * | 2002-01-21 | 2005-03-08 | Mcmurtry Gary M | Environmental sampler for mass spectrometer |
| KR100965340B1 (ko) | 2008-03-05 | 2010-06-22 | 장동우 | 집음고리 또는 집음구를 가진 다이나믹형 유니트 |
| US8570835B2 (en) * | 2011-08-24 | 2013-10-29 | Stephen Chelminski | Marine vibratory sound source for beneath water seismic exploration |
| EP2883088B1 (en) * | 2012-08-13 | 2022-03-02 | Applied Physical Sciences Corp. | Coherent sound source for marine seismic surveys |
| US9562982B1 (en) | 2012-08-13 | 2017-02-07 | Applied Physical Sciences Corp. | Coherent sound source for marine seismic surveys |
| US9995834B2 (en) * | 2013-05-07 | 2018-06-12 | Pgs Geophysical As | Variable mass load marine vibrator |
| WO2015161206A1 (en) * | 2014-04-17 | 2015-10-22 | Lockheed Martin Corporation | Underwater acoustic projector |
| US11029177B2 (en) * | 2017-05-17 | 2021-06-08 | Baker Hughes Holdings Llc | Pressure compensated sensors |
| US10539435B2 (en) | 2017-05-17 | 2020-01-21 | General Electric Company | Pressure compensated sensors |
| JP7055024B2 (ja) * | 2018-01-19 | 2022-04-15 | 大成建設株式会社 | 音波発信器 |
| CN112291685B (zh) * | 2020-10-29 | 2022-04-12 | 维沃移动通信有限公司 | 一种平衡扬声器振动的方法、装置、扬声器和存储介质 |
| CN114189787A (zh) * | 2021-11-23 | 2022-03-15 | 中国船舶重工集团公司第七一五研究所 | 一种压力补偿极低频弯曲圆盘换能器 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3760346A (en) | 1972-05-08 | 1973-09-18 | Us Navy | High-power underwater electroacoustic transducer for the infrasonic and low audio-frequency range |
| CA1029846A (en) | 1974-12-20 | 1978-04-18 | Huntec (70) Limited | Underwater transient sound generator having pressure compensating fillet |
| US4001765A (en) * | 1975-03-31 | 1977-01-04 | Marine Resources, Inc. | Pressure compensating sound transducer apparatus |
| US4432077A (en) | 1981-01-02 | 1984-02-14 | Mobil Oil Corporation | Determination of formation permeability from a long-spaced acoustic log |
| JPH0230637B2 (ja) * | 1981-06-15 | 1990-07-09 | Hitachi Ltd | Suichusohaki |
| US4466083A (en) * | 1983-05-31 | 1984-08-14 | The United States Of America As Represented By The Secretary Of The Navy | Low frequency, broadband, underwater sound transducer |
| FR2550283B1 (fr) | 1983-08-04 | 1988-03-18 | Commissariat Energie Atomique | Accumulateur hydropneumatique |
| US4695987A (en) | 1985-01-07 | 1987-09-22 | Hydroacoustics Inc. | Hydroacoustic apparatus |
| US4674067A (en) | 1986-01-10 | 1987-06-16 | Mobil Oil Corporation | Method and apparatus for generating low frequency acoustic energy waves |
| JPH055752Y2 (enExample) * | 1986-06-05 | 1993-02-15 | ||
| US4763307A (en) * | 1987-01-20 | 1988-08-09 | Frank Massa | Wide-range audio frequency underwater transducer |
| US5062089A (en) | 1987-04-17 | 1991-10-29 | Argotec Inc. | Sonar projector with liquid mass loading for operation at lower frequency |
| JPH0167899U (enExample) * | 1987-10-23 | 1989-05-01 | ||
| AU616689B2 (en) * | 1987-10-30 | 1991-11-07 | Divelink Pty. Ltd. | Pressure compensated communication system |
| US4868799A (en) * | 1988-10-11 | 1989-09-19 | Frank Massa | Means for equalizing the internal pressure in an underwater transducer employing a vibratile piston to permit operation of the transducer at water depths in excess of a few hundred feet |
| JPH0311898A (ja) * | 1989-06-09 | 1991-01-21 | Nec Corp | 送受波器 |
| US4982385A (en) | 1989-11-17 | 1991-01-01 | Westinghouse Electric Corp. | Acoustic decoupler for a sonar array |
| JPH0429499A (ja) * | 1990-05-23 | 1992-01-31 | Fuosutekusu Kk | 水中用電気音響変換器 |
| JPH0536993U (ja) * | 1991-07-05 | 1993-05-18 | フオステクス株式会社 | 水中スピーカ及び水管内送音用スピーカ |
| JPH0517659A (ja) * | 1991-07-15 | 1993-01-26 | Tosoh Corp | スピーカーボツクス用材料 |
| JP2546488B2 (ja) * | 1993-04-22 | 1996-10-23 | 日本電気株式会社 | 低周波水中送波器 |
| US5321667A (en) | 1993-04-27 | 1994-06-14 | Raytheon Company | Sonar systems |
| JPH1013985A (ja) * | 1996-06-19 | 1998-01-16 | Oki Electric Ind Co Ltd | 水中送波器 |
| FR2764160B1 (fr) | 1997-05-27 | 1999-08-27 | Thomson Marconi Sonar Sas | Transducteur electrodynamique pour acoustique sous-marine |
-
1999
- 1999-04-02 US US09/285,135 patent/US6483778B1/en not_active Expired - Lifetime
-
2000
- 2000-03-10 EP EP00916258A patent/EP1175669B1/en not_active Expired - Lifetime
- 2000-03-10 AT AT00916258T patent/ATE278235T1/de not_active IP Right Cessation
- 2000-03-10 CA CA002368235A patent/CA2368235C/en not_active Expired - Fee Related
- 2000-03-10 WO PCT/US2000/006384 patent/WO2000060573A1/en not_active Ceased
- 2000-03-10 JP JP2000609987A patent/JP4582915B2/ja not_active Expired - Fee Related
- 2000-03-10 DE DE60014351T patent/DE60014351T2/de not_active Expired - Lifetime
- 2000-03-10 AU AU37389/00A patent/AU764772B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000060573A9 (en) | 2001-11-08 |
| JP2002541697A (ja) | 2002-12-03 |
| AU764772B2 (en) | 2003-08-28 |
| CA2368235A1 (en) | 2000-10-12 |
| AU3738900A (en) | 2000-10-23 |
| JP4582915B2 (ja) | 2010-11-17 |
| EP1175669B1 (en) | 2004-09-29 |
| US6483778B1 (en) | 2002-11-19 |
| DE60014351D1 (de) | 2004-11-04 |
| EP1175669A1 (en) | 2002-01-30 |
| ATE278235T1 (de) | 2004-10-15 |
| WO2000060573A1 (en) | 2000-10-12 |
| DE60014351T2 (de) | 2005-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20170310 |