FR2940579B1 - Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree. - Google Patents
Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree.Info
- Publication number
- FR2940579B1 FR2940579B1 FR0859015A FR0859015A FR2940579B1 FR 2940579 B1 FR2940579 B1 FR 2940579B1 FR 0859015 A FR0859015 A FR 0859015A FR 0859015 A FR0859015 A FR 0859015A FR 2940579 B1 FR2940579 B1 FR 2940579B1
- Authority
- FR
- France
- Prior art keywords
- acoustic wave
- wave transducer
- sonar antenna
- enhanced directivity
- directivity
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
- B06B1/0618—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0859015A FR2940579B1 (fr) | 2008-12-23 | 2008-12-23 | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree. |
CA2748383A CA2748383A1 (fr) | 2008-12-23 | 2009-12-23 | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree |
JP2011542884A JP5504276B2 (ja) | 2008-12-23 | 2009-12-23 | 改善された指向性を有する音波変換器及びソナーアンテナ |
US13/141,823 US8780674B2 (en) | 2008-12-23 | 2009-12-23 | Acoustic wave transducer and sonar antenna with improved directivity |
EP09805787.0A EP2367640B1 (fr) | 2008-12-23 | 2009-12-23 | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree |
PCT/FR2009/052682 WO2010072984A1 (fr) | 2008-12-23 | 2009-12-23 | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0859015A FR2940579B1 (fr) | 2008-12-23 | 2008-12-23 | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2940579A1 FR2940579A1 (fr) | 2010-06-25 |
FR2940579B1 true FR2940579B1 (fr) | 2012-09-28 |
Family
ID=40790865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0859015A Active FR2940579B1 (fr) | 2008-12-23 | 2008-12-23 | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree. |
Country Status (6)
Country | Link |
---|---|
US (1) | US8780674B2 (fr) |
EP (1) | EP2367640B1 (fr) |
JP (1) | JP5504276B2 (fr) |
CA (1) | CA2748383A1 (fr) |
FR (1) | FR2940579B1 (fr) |
WO (1) | WO2010072984A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2971112B1 (fr) * | 2011-02-01 | 2014-01-03 | Ixblue | Transducteur electro-acoustique basse frequence et procede de generation d'ondes acoustiques. |
JP5990930B2 (ja) * | 2012-02-24 | 2016-09-14 | セイコーエプソン株式会社 | 超音波トランスデューサー素子チップおよびプローブ並びに電子機器および超音波診断装置 |
GB2557345B (en) * | 2016-12-08 | 2021-10-13 | Bae Systems Plc | MIMO communication system and data link |
CN110010113B (zh) * | 2019-04-04 | 2023-12-08 | 哈尔滨工程大学 | 径向辐射的杰纳斯-亥姆霍兹水声换能器 |
CN112040382B (zh) * | 2020-08-10 | 2021-07-30 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | 基于声阻抗梯度匹配层的高频宽带水声换能器 |
USD1036286S1 (en) | 2021-06-21 | 2024-07-23 | Navico, Inc. | Sleeve for frequency-steered sonar transducer assembly |
US11681044B2 (en) | 2021-06-21 | 2023-06-20 | Navico, Inc. | Sonar beam shape controlling horn |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3474403A (en) * | 1966-06-08 | 1969-10-21 | Dynamics Corp Massa Div | Electroacoustic transducer with improved shock resistance |
US3593257A (en) * | 1968-06-14 | 1971-07-13 | Dynamics Corp America | Electroacoustic transducer |
FR2284242A1 (fr) * | 1974-09-09 | 1976-04-02 | France Etat | Transducteur piezoelectrique a basse frequence |
FR2361033A1 (fr) * | 1976-08-03 | 1978-03-03 | France Etat | Transducteurs piezoelectriques et antennes acoustiques immergeables a grande profondeur |
US5243567A (en) * | 1977-03-15 | 1993-09-07 | Westinghouse Electric Corp. | Sonar beam shaping with an acoustic baffle |
US4164727A (en) * | 1977-04-14 | 1979-08-14 | The United States Of America As Represented By The Secretary Of The Navy | Underwater acoustic absorber |
JPS62154897A (ja) | 1985-12-26 | 1987-07-09 | Toshiba Corp | デジタルネツトワ−ク装置 |
JPH0318230Y2 (fr) * | 1986-03-19 | 1991-04-17 | ||
JPS63144697A (ja) | 1986-12-08 | 1988-06-16 | Nec Corp | 送受波器 |
FR2665998B1 (fr) * | 1988-05-05 | 1993-10-29 | Etat Francais Delegue Armement | Procedes et transducteurs electro-acoustiques pour emettre des ondes acoustiques a basse frequence dans un liquide. |
JPH0764308B2 (ja) | 1989-08-15 | 1995-07-12 | ジル・ア・グロッソ | 水中ケーシング内のガス圧力を外部圧力と平衡状態に保持する方法及び装置 |
DE3931453C1 (fr) | 1989-09-21 | 1991-02-28 | Endress U. Hauser Gmbh U. Co, 7864 Maulburg, De | |
JPH0646495A (ja) | 1992-02-19 | 1994-02-18 | Hitachi Medical Corp | 超音波探触子 |
US5436874A (en) * | 1993-11-17 | 1995-07-25 | Martin Marietta Corporation | Method and apparatus for sensing acoustic signals in a liquid |
FR2731129B1 (fr) * | 1995-02-23 | 1997-04-11 | France Etat | Procede et dispositif pour diminuer la frequence de resonance des cavites des transducteurs immergeables |
FR2739522B1 (fr) * | 1995-09-28 | 1997-11-14 | France Etat | Antenne de sonar |
FR2779533B1 (fr) | 1998-06-09 | 2000-08-25 | Total Sa | Dispositif d'acquisition sismique a haute resolution |
US6232702B1 (en) * | 1998-08-18 | 2001-05-15 | The Penn State Research Foundation | Flextensional metal-ceramic composite transducer |
JP2002204498A (ja) | 2000-12-28 | 2002-07-19 | Ngk Spark Plug Co Ltd | 超音波センサ |
US7309948B2 (en) * | 2001-12-05 | 2007-12-18 | Fujifilm Corporation | Ultrasonic transducer and method of manufacturing the same |
US6731466B2 (en) * | 2002-04-25 | 2004-05-04 | International Business Machines, Inc. | Suspension with integral constrained and sandwiched layer damping |
US20050075571A1 (en) * | 2003-09-18 | 2005-04-07 | Siemens Medical Solutions Usa, Inc. | Sound absorption backings for ultrasound transducers |
US8004935B2 (en) * | 2007-05-10 | 2011-08-23 | Second Wind Systems, Inc. | Sodar housing with non-woven fabric lining for sound absorption |
-
2008
- 2008-12-23 FR FR0859015A patent/FR2940579B1/fr active Active
-
2009
- 2009-12-23 EP EP09805787.0A patent/EP2367640B1/fr active Active
- 2009-12-23 WO PCT/FR2009/052682 patent/WO2010072984A1/fr active Application Filing
- 2009-12-23 JP JP2011542884A patent/JP5504276B2/ja active Active
- 2009-12-23 CA CA2748383A patent/CA2748383A1/fr not_active Abandoned
- 2009-12-23 US US13/141,823 patent/US8780674B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2010072984A1 (fr) | 2010-07-01 |
EP2367640B1 (fr) | 2019-01-09 |
FR2940579A1 (fr) | 2010-06-25 |
CA2748383A1 (fr) | 2010-07-01 |
US20110255375A1 (en) | 2011-10-20 |
US8780674B2 (en) | 2014-07-15 |
JP5504276B2 (ja) | 2014-05-28 |
EP2367640A1 (fr) | 2011-09-28 |
JP2012513718A (ja) | 2012-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
GC | Lien (pledge) constituted |
Effective date: 20140716 |
|
PLFP | Fee payment |
Year of fee payment: 9 |
|
PLFP | Fee payment |
Year of fee payment: 10 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
GC | Lien (pledge) constituted |
Effective date: 20200826 |
|
RG | Lien (pledge) cancelled |
Effective date: 20200903 |
|
PLFP | Fee payment |
Year of fee payment: 14 |
|
PLFP | Fee payment |
Year of fee payment: 15 |
|
CA | Change of address |
Effective date: 20230310 |
|
CD | Change of name or company name |
Owner name: EXAIL, FR Effective date: 20230310 |
|
PLFP | Fee payment |
Year of fee payment: 16 |