FR2713428B1 - Acoustic protection material including sonar antennas. - Google Patents

Acoustic protection material including sonar antennas.

Info

Publication number
FR2713428B1
FR2713428B1 FR9314501A FR9314501A FR2713428B1 FR 2713428 B1 FR2713428 B1 FR 2713428B1 FR 9314501 A FR9314501 A FR 9314501A FR 9314501 A FR9314501 A FR 9314501A FR 2713428 B1 FR2713428 B1 FR 2713428B1
Authority
FR
France
Prior art keywords
material including
protection material
acoustic protection
including sonar
sonar antennas
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
Application number
FR9314501A
Other languages
French (fr)
Other versions
FR2713428A1 (en
Inventor
Gilles Bedard
Goulven Patrice Le
Denis Quiltu
Lan Yves Le
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.)
Direction General pour lArmement DGA
Original Assignee
Direction General pour lArmement DGA
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 Direction General pour lArmement DGA filed Critical Direction General pour lArmement DGA
Priority to FR9314501A priority Critical patent/FR2713428B1/en
Priority to EP94402688A priority patent/EP0656618A1/en
Publication of FR2713428A1 publication Critical patent/FR2713428A1/en
Application granted granted Critical
Publication of FR2713428B1 publication Critical patent/FR2713428B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10K11/162—Selection of materials
    • G10K11/165—Particles in a matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR9314501A 1993-12-03 1993-12-03 Acoustic protection material including sonar antennas. Expired - Fee Related FR2713428B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9314501A FR2713428B1 (en) 1993-12-03 1993-12-03 Acoustic protection material including sonar antennas.
EP94402688A EP0656618A1 (en) 1993-12-03 1994-11-24 A material for acoustic protection, notably of sonar antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9314501A FR2713428B1 (en) 1993-12-03 1993-12-03 Acoustic protection material including sonar antennas.

Publications (2)

Publication Number Publication Date
FR2713428A1 FR2713428A1 (en) 1995-06-09
FR2713428B1 true FR2713428B1 (en) 1996-02-09

Family

ID=9453521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9314501A Expired - Fee Related FR2713428B1 (en) 1993-12-03 1993-12-03 Acoustic protection material including sonar antennas.

Country Status (2)

Country Link
EP (1) EP0656618A1 (en)
FR (1) FR2713428B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1186829A (en) * 1955-06-21 1959-09-02 Wiederhold Hermann Sound absorber in liquid medium
JPS5416541B2 (en) * 1973-11-21 1979-06-22
US4381470A (en) * 1980-12-24 1983-04-26 Hewlett-Packard Company Stratified particle absorber
JPS6031429B2 (en) * 1980-12-30 1985-07-22 日本電波工業株式会社 Damper for ultrasonic probe and ultrasonic probe using the damper
FR2580286B1 (en) * 1985-04-12 1987-05-22 Sintra LIGHT ANECHICAL MATERIAL

Also Published As

Publication number Publication date
FR2713428A1 (en) 1995-06-09
EP0656618A1 (en) 1995-06-07

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Legal Events

Date Code Title Description
ST Notification of lapse