JP2001502789A - 水中低周波音源 - Google Patents
水中低周波音源Info
- Publication number
- JP2001502789A JP2001502789A JP09520290A JP52029097A JP2001502789A JP 2001502789 A JP2001502789 A JP 2001502789A JP 09520290 A JP09520290 A JP 09520290A JP 52029097 A JP52029097 A JP 52029097A JP 2001502789 A JP2001502789 A JP 2001502789A
- Authority
- JP
- Japan
- Prior art keywords
- sound
- plume
- bubble
- bubbles
- generating
- 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
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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Toys (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Catching Or Destruction (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Percussion Or Vibration Massage (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.加圧気泡を形成するための気泡発生手段と、吐出口からプルームの中に気泡 を向ける手段と、気泡のプルームを調整すべく気泡のプルームの基部に変動圧力 を加える手段とを備える音響発生システムであって、変動圧力を加える手段が低 周波音源を含み、これによって低周波音波の供給源が作り出されることを特徴と する音響発生システム。 2.前記低周波音源が前記吐出口の近くに位置する、請求の範囲第1項に記載の 音響発生システム。 3.前記泡発生手段は、加圧ガスをチャンバに導く手段と、所定のサイズおよび 速度をもつパルスまたは気泡の形での前記吐出口からのガスの放出を制御するパ ルス発生手段とを有する、請求の範囲第1項または第2項に記載の音響発生シス テム。 4.前記パルス発生手段が適当な遮断装置を含む、請求の範囲第3項に記載の音 響発生システム。 5.前記遮断装置がバルブ、回転セクタディスクまたはその同等物である、請求 の範囲第4項に記載の音響発生システム。 6.請求の範囲第1項から第5項のいずれか一項に記載の音響 発生システムを備える、水中で長距離信号を発生させるための低周波音響送出装 置。 7.請求の範囲第1項から第5項のいずれか一項に記載の音響発生システムを含 み、さらに、音波を強化して共鳴作用を引き起こすように反射波の到着に応答す るアクチュエータを備えた水中共鳴音波発生装置。 8.前記プルーム中の音圧を上げることによって起動されるバルブを前記気泡発 生装置への供給部に含んでおり、反射波の到着によって前記バルブが開き、プル ームの基部において気泡をさらに放出する、請求の範囲第7項に記載の水中共鳴 音波発生装置。 9.気泡のシートが形成されるような直線形状を有する気泡発生手段及び音源を 含む、請求の範囲第7項または第8項に記載の水中共鳴音波発生装置。 10.請求の範囲第7項または第8項に記載の水中共鳴音波発生装置を複数並べ て備える水中音響障壁。 11.既知の低周波数の音を液体媒質中に発する方法であって、 液体中に加圧気泡を発生させる段階と、 気泡をプルームの中に向ける段階と、 気泡のプルームの基部に変動圧力を加えて気泡のプルームを調整する段階とを 備えており、前記変動圧力が低周波音源によって加えられ、これによって低周波 音波の供給源が作り出されることを特徴とする方法。 12.気泡発生チャンバに加圧ガスを導き、ガスを所定のサイズおよび速度をも つパルスまたは気泡の形でチャンバの吐出口から放出することによって、気泡の 発生が行われる請求の範囲第10項に記載の方法。 13.パルスが適当な遮断装置によって生起される請求の範囲第11項に記載の 方法。 14.請求の範囲第10項から第12項のいずれか一項に記載の方法を使用する 、水中における長距離低周波音響信号の送出方法。 15.共鳴波を引き起こすためにアクチュエータが使用される、請求の範囲第1 0項から第12項のいずれか一項に記載の方法を含む水中共鳴音波発生方法。 16.反射波の到着によって生起されるようなプルームの上昇音圧に応答してさ らに加圧気泡が発生し、共鳴効果を強化する、請求の範囲第16項に記載の方法 。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9524471.1A GB9524471D0 (en) | 1995-11-30 | 1995-11-30 | Low frequency sound source |
GB9524471.1 | 1995-11-30 | ||
PCT/GB1996/002951 WO1997020233A1 (en) | 1995-11-30 | 1996-11-29 | Low frequency underwater sound source |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001502789A true JP2001502789A (ja) | 2001-02-27 |
JP3617531B2 JP3617531B2 (ja) | 2005-02-09 |
Family
ID=10784681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52029097A Expired - Fee Related JP3617531B2 (ja) | 1995-11-30 | 1996-11-29 | 水中低周波音源 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5999491A (ja) |
EP (1) | EP0864107B1 (ja) |
JP (1) | JP3617531B2 (ja) |
AT (1) | ATE225520T1 (ja) |
AU (1) | AU712355B2 (ja) |
CA (1) | CA2238972C (ja) |
DE (1) | DE69624129T2 (ja) |
DK (1) | DK0864107T3 (ja) |
ES (1) | ES2180812T3 (ja) |
GB (1) | GB9524471D0 (ja) |
NO (1) | NO982456L (ja) |
PT (1) | PT864107E (ja) |
WO (1) | WO1997020233A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0123987D0 (en) * | 2001-10-05 | 2001-11-28 | Bae Sema Ltd | Underwater sound source |
US7126875B2 (en) * | 2003-10-20 | 2006-10-24 | State Of California, Department Of Transportation | Underwater energy dampening device |
US7349292B1 (en) * | 2005-08-24 | 2008-03-25 | The United States Of America Represented By The Secretary Of The Navy | Increased effective aperture for receive arrays |
US7266046B1 (en) | 2006-06-26 | 2007-09-04 | The United States Of America As Represented By The Secretary Of The Navy | Miniature low frequency acoustic transmitter |
US8162297B2 (en) | 2006-07-06 | 2012-04-24 | Exxonmobil Upstream Research Co. | Diverse bubble size generation |
US8331194B1 (en) * | 2010-04-26 | 2012-12-11 | The United States Of America As Represented By The Secretary Of The Navy | Underwater acoustic waveguide |
US8331198B2 (en) | 2011-03-21 | 2012-12-11 | Teledyne Instruments, Inc. | Gas-filled bubble sound source |
US8441892B2 (en) | 2011-03-21 | 2013-05-14 | Teledyne Instruments, Inc. | Gas-filled bubble seismo-acoustic source |
US8634276B2 (en) | 2011-03-21 | 2014-01-21 | Teledyne Instruments, Inc. | Tunable bubble sound source |
US10476604B2 (en) | 2017-06-28 | 2019-11-12 | Teledyne Instruments, Inc. | Transmitter-receiver separation system for full-duplex underwater acoustic communication system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3177466A (en) * | 1960-09-29 | 1965-04-06 | United Aircraft Corp | Artificial sound channel |
US3437170A (en) * | 1966-12-12 | 1969-04-08 | Texas Instruments Inc | Control of energy spectrum in marine seismic exploration |
US3493072A (en) * | 1967-12-29 | 1970-02-03 | Texas Instruments Inc | Marine seismic exploration energy source |
JPH07203579A (ja) * | 1993-12-28 | 1995-08-04 | Mitsubishi Heavy Ind Ltd | 水中音源装置 |
-
1995
- 1995-11-30 GB GBGB9524471.1A patent/GB9524471D0/en active Pending
-
1996
- 1996-11-29 PT PT96940025T patent/PT864107E/pt unknown
- 1996-11-29 AT AT96940025T patent/ATE225520T1/de not_active IP Right Cessation
- 1996-11-29 US US09/077,522 patent/US5999491A/en not_active Expired - Lifetime
- 1996-11-29 JP JP52029097A patent/JP3617531B2/ja not_active Expired - Fee Related
- 1996-11-29 AU AU77031/96A patent/AU712355B2/en not_active Ceased
- 1996-11-29 WO PCT/GB1996/002951 patent/WO1997020233A1/en active IP Right Grant
- 1996-11-29 EP EP96940025A patent/EP0864107B1/en not_active Expired - Lifetime
- 1996-11-29 CA CA002238972A patent/CA2238972C/en not_active Expired - Lifetime
- 1996-11-29 DK DK96940025T patent/DK0864107T3/da active
- 1996-11-29 ES ES96940025T patent/ES2180812T3/es not_active Expired - Lifetime
- 1996-11-29 DE DE69624129T patent/DE69624129T2/de not_active Expired - Lifetime
-
1998
- 1998-05-29 NO NO982456A patent/NO982456L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ES2180812T3 (es) | 2003-02-16 |
JP3617531B2 (ja) | 2005-02-09 |
PT864107E (pt) | 2003-02-28 |
CA2238972A1 (en) | 1997-06-05 |
AU712355B2 (en) | 1999-11-04 |
EP0864107A1 (en) | 1998-09-16 |
DE69624129D1 (de) | 2002-11-07 |
WO1997020233A1 (en) | 1997-06-05 |
CA2238972C (en) | 2004-10-05 |
GB9524471D0 (en) | 1996-07-17 |
AU7703196A (en) | 1997-06-19 |
NO982456D0 (no) | 1998-05-29 |
DK0864107T3 (da) | 2003-01-13 |
US5999491A (en) | 1999-12-07 |
NO982456L (no) | 1998-07-30 |
EP0864107B1 (en) | 2002-10-02 |
ATE225520T1 (de) | 2002-10-15 |
DE69624129T2 (de) | 2003-06-05 |
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