FR2580286B1 - Materiau anechoique allege - Google Patents
Materiau anechoique allegeInfo
- Publication number
- FR2580286B1 FR2580286B1 FR8505558A FR8505558A FR2580286B1 FR 2580286 B1 FR2580286 B1 FR 2580286B1 FR 8505558 A FR8505558 A FR 8505558A FR 8505558 A FR8505558 A FR 8505558A FR 2580286 B1 FR2580286 B1 FR 2580286B1
- Authority
- FR
- France
- Prior art keywords
- anechical
- light
- light anechical
- anechical material
- 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
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)
- Compositions Of Macromolecular Compounds (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8505558A FR2580286B1 (fr) | 1985-04-12 | 1985-04-12 | Materiau anechoique allege |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8505558A FR2580286B1 (fr) | 1985-04-12 | 1985-04-12 | Materiau anechoique allege |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2580286A1 FR2580286A1 (fr) | 1986-10-17 |
FR2580286B1 true FR2580286B1 (fr) | 1987-05-22 |
Family
ID=9318187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8505558A Expired FR2580286B1 (fr) | 1985-04-12 | 1985-04-12 | Materiau anechoique allege |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2580286B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2660787B1 (fr) * | 1990-04-06 | 1996-06-21 | Technologies Speciales Ingenie | Ecran anechouide. |
FR2713428B1 (fr) * | 1993-12-03 | 1996-02-09 | France Etat Armement | Matériau de protection acoustique notamment des antennes sonar. |
FR3027827B1 (fr) * | 2014-11-03 | 2020-01-31 | Imasonic | Transducteur ultrasonore a couche de microballons |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3517468A (en) * | 1968-07-22 | 1970-06-30 | John Thomas Woods | Audiometric enclosure |
US3515910A (en) * | 1968-11-12 | 1970-06-02 | Us Navy | Acoustic absorbing material |
DE2541492C3 (de) * | 1975-09-17 | 1980-10-09 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Ultraschallwandler |
EP0031614B2 (fr) * | 1979-12-17 | 1990-07-18 | North American Philips Corporation | Réseau courbe de transducteurs ultrasoniques |
-
1985
- 1985-04-12 FR FR8505558A patent/FR2580286B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2580286A1 (fr) | 1986-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |