FR2622333B1 - Revetement anechoique pour ondes acoustiques - Google Patents

Revetement anechoique pour ondes acoustiques

Info

Publication number
FR2622333B1
FR2622333B1 FR8714826A FR8714826A FR2622333B1 FR 2622333 B1 FR2622333 B1 FR 2622333B1 FR 8714826 A FR8714826 A FR 8714826A FR 8714826 A FR8714826 A FR 8714826A FR 2622333 B1 FR2622333 B1 FR 2622333B1
Authority
FR
France
Prior art keywords
anechoical
coating
acoustic waves
acoustic
waves
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 - Lifetime
Application number
FR8714826A
Other languages
English (en)
Other versions
FR2622333A1 (fr
Inventor
Michel Lagier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8714826A priority Critical patent/FR2622333B1/fr
Priority to AU24163/88A priority patent/AU607008B2/en
Priority to EP88402674A priority patent/EP0317380A1/fr
Priority to US07/262,998 priority patent/US4883143A/en
Priority to JP63271932A priority patent/JPH01142424A/ja
Publication of FR2622333A1 publication Critical patent/FR2622333A1/fr
Application granted granted Critical
Publication of FR2622333B1 publication Critical patent/FR2622333B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Floor Finish (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR8714826A 1987-10-27 1987-10-27 Revetement anechoique pour ondes acoustiques Expired - Lifetime FR2622333B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8714826A FR2622333B1 (fr) 1987-10-27 1987-10-27 Revetement anechoique pour ondes acoustiques
AU24163/88A AU607008B2 (en) 1987-10-27 1988-10-24 Anechoic coating for acoustic waves
EP88402674A EP0317380A1 (fr) 1987-10-27 1988-10-24 Revêtement anéchoique pour ondes acoustiques
US07/262,998 US4883143A (en) 1987-10-27 1988-10-26 Anechoic coating for acoustic waves
JP63271932A JPH01142424A (ja) 1987-10-27 1988-10-27 音波の非反響性コーティング

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8714826A FR2622333B1 (fr) 1987-10-27 1987-10-27 Revetement anechoique pour ondes acoustiques

Publications (2)

Publication Number Publication Date
FR2622333A1 FR2622333A1 (fr) 1989-04-28
FR2622333B1 true FR2622333B1 (fr) 1990-01-26

Family

ID=9356196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8714826A Expired - Lifetime FR2622333B1 (fr) 1987-10-27 1987-10-27 Revetement anechoique pour ondes acoustiques

Country Status (5)

Country Link
US (1) US4883143A (fr)
EP (1) EP0317380A1 (fr)
JP (1) JPH01142424A (fr)
AU (1) AU607008B2 (fr)
FR (1) FR2622333B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656971B1 (fr) * 1990-01-05 1992-09-04 Thomson Csf Hydrophone basse frequence et antenne sonar comportant de tels hydrophones.
US5266245A (en) * 1990-04-10 1993-11-30 Vickers Shipbuilding & Engineering Ltd. Methods for applying acoustic coverings to surfaces of a marine vessel
FR2664868B1 (fr) * 1990-07-19 1992-11-06 Bertin & Cie Revetement anechouide, en particulier pour coques de navires et de sous-marins.
US5452265A (en) * 1991-07-01 1995-09-19 The United States Of America As Represented By The Secretary Of The Navy Active acoustic impedance modification arrangement for controlling sound interaction
FR2685528A1 (fr) * 1991-12-20 1993-06-25 Thomson Csf Dispositif d'absorption acoustique, notamment pour basse frequence, pouvant etre immerge.
DE4414566C2 (de) * 1994-04-27 1997-11-20 Freudenberg Carl Fa Luftschalldämpfer
FR2733620B1 (fr) * 1995-04-27 1997-06-20 France Etat Materiau absorbant les ondes sonores, notamment en acoustique sous-marine
US5780785A (en) * 1997-03-12 1998-07-14 Eckel; Alan Acoustic absorption device and an assembly of such devices
FR2776161B1 (fr) 1998-03-10 2000-05-26 Thomson Marconi Sonar Sas Antenne d'emission acoustique annulaire demontable
RU2140498C1 (ru) * 1999-04-29 1999-10-27 Лившиц Анатолий Яковлевич Устройство для снижения энергии акустических колебаний, исходящих от твердой поверхности
FR2800229B1 (fr) 1999-10-22 2002-04-05 Thomson Marconi Sonar Sas Transducteur acoustique sous-marin a large bande
FR2809580B1 (fr) 2000-05-26 2002-08-30 Thomson Marconi Sonar Sas Transducteur electrodynamique pour acoustique sous-marine
GB0019913D0 (en) * 2000-08-15 2000-09-27 Ventures & Consultancy Bradfor Sound absorbing material
US7061830B2 (en) * 2002-11-19 2006-06-13 Honeywell International Inc. Transducers coated with anechoic material for use in down hole communications
JP5194972B2 (ja) * 2008-04-09 2013-05-08 トヨタ紡織株式会社 防音材
CN109532183B (zh) * 2018-11-30 2019-12-17 苏州大学 一种声波无反射材料的制备方法、装置及应用
RU189892U1 (ru) * 2019-03-25 2019-06-07 Михаил Васильевич Пилягин Звукоизолирующее крепление

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123176A (en) * 1964-03-03 greenberg
US2830780A (en) * 1953-06-30 1958-04-15 Schloss Fred Low frequency noise and shock isolation mount
US3038551A (en) * 1959-10-15 1962-06-12 Riverside Plastics Corp Self-damping material and sonar dome formed therefrom
US3160549A (en) * 1960-12-29 1964-12-08 Minnesota Mining & Mfg Vibration damping structures
US3120875A (en) * 1961-12-27 1964-02-11 William R Graner Sonar dome
US3330376A (en) * 1965-06-11 1967-07-11 Lord Corp Structure acoustically transparent for compressional waves and acoustically damped for bending or flexural waves
DE1293329C2 (de) * 1967-05-18 1974-01-24 Brown, Boveri & Cie. AG, 6800 Mannheim-Käfertal Anordnung zur verminderung der schallabstrahlung von transformatorenoder drosselspulenkesseln
FR2238411A5 (en) * 1973-07-20 1975-02-14 France Etat Sound-absorbent wall panel - with thin layer of visco-elastic material between rigid layers
FR2420773A1 (fr) * 1978-03-23 1979-10-19 France Etat Reflecteur acoustique immerge et procede de fabrication
AU522771B2 (en) * 1978-05-01 1982-06-24 Reduc Acoustics Ab Vibration damping by decoupling
DE3028825C2 (de) * 1980-07-30 1984-09-13 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Dämpfungsbelag
JPS59231240A (ja) * 1983-06-13 1984-12-25 Takaoka Kogyo Kk 制振部材
FR2562699B1 (fr) * 1984-04-09 1986-12-05 Alsthom Atlantique Revetement de paroi absorbant les ondes acoustiques

Also Published As

Publication number Publication date
US4883143A (en) 1989-11-28
AU607008B2 (en) 1991-02-21
AU2416388A (en) 1989-04-27
EP0317380A1 (fr) 1989-05-24
FR2622333A1 (fr) 1989-04-28
JPH01142424A (ja) 1989-06-05

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Legal Events

Date Code Title Description
ST Notification of lapse