ES8503449A1 - Dispositivo de reflexion de ondas acusticas segun una superficie de contacto - Google Patents
Dispositivo de reflexion de ondas acusticas segun una superficie de contactoInfo
- Publication number
- ES8503449A1 ES8503449A1 ES528948A ES528948A ES8503449A1 ES 8503449 A1 ES8503449 A1 ES 8503449A1 ES 528948 A ES528948 A ES 528948A ES 528948 A ES528948 A ES 528948A ES 8503449 A1 ES8503449 A1 ES 8503449A1
- Authority
- ES
- Spain
- Prior art keywords
- volume
- acoustic wave
- interface device
- wave reflection
- interface
- 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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/20—Reflecting arrangements
- G10K11/205—Reflecting arrangements for underwater use
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)
Abstract
DISPOSITIVO DE REFLEXION DE ONDAS ACUSTICAS.EL DISPOSITIVO ACTUA SEGUN UNA SUPERFICIE DE CONTACTO (24) QUE SEPARA UN VOLUMEN (20) DE MATERIAL VISCOELASTICO DE ALVEOLOS GASEOSOS DE UN MATERIAL PERMEABLE LAS ONDAS ACUSTICAS, Y QUE SIRVE PARA AISLAR ESTE VOLUMEN DEL MEDIO FLUIDO EXTERIOR DE DENSIDAD SUPERIOR. DICHO VOLUMEN ES APLICADO CONTRA UNA PARED RIGIDA (21), HECHA DEL CITADO MATERIAL PERMEABLE; ESTA PARED ES LLEVADA POR UN SOPORTE RIGIDO, COOPERANDO UN ELEMENTO FLEXIBLE DE CIERRE CON ELLA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8300753A FR2539541B1 (fr) | 1983-01-19 | 1983-01-19 | Dispositif a interface reflectrice d'ondes acoustiques |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8503449A1 true ES8503449A1 (es) | 1985-02-16 |
ES528948A0 ES528948A0 (es) | 1985-02-16 |
Family
ID=9285062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES528948A Granted ES528948A0 (es) | 1983-01-19 | 1984-01-18 | Dispositivo de reflexion de ondas acusticas segun una superficie de contacto |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0114764B1 (es) |
AU (1) | AU2355484A (es) |
CA (1) | CA1239693A (es) |
DE (1) | DE3465809D1 (es) |
ES (1) | ES528948A0 (es) |
FR (1) | FR2539541B1 (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204217B (en) * | 1987-05-02 | 1990-05-23 | Gec Avionics | Acoustic reflector |
EP0328931A3 (en) * | 1988-02-18 | 1991-07-31 | The B.F. Goodrich Company | Compliant tube baffle |
FR2656720B1 (fr) * | 1989-12-29 | 1992-03-20 | Thomson Csf | Reflecteur d'ondes acoustiques pouvant fonctionner sous une forte immersion. |
FR2674717B1 (fr) * | 1991-03-29 | 1993-05-14 | Thomson Csf | Antenne acoustique basse frequence directive. |
FR2720590B1 (fr) * | 1994-05-31 | 1996-06-28 | Thomson Csf | Antenne acoustique passive absorbante. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2811216A (en) * | 1954-04-28 | 1957-10-29 | Harris Transducer Corp | Acoustic baffle construction |
US2884084A (en) * | 1954-10-28 | 1959-04-28 | Sussman Harry | Acoustic panel |
DE1815684A1 (de) * | 1968-12-19 | 1970-06-25 | Krupp Gmbh | Reflektor fuer Wasserschall |
FR2240813B1 (es) * | 1973-08-16 | 1976-04-30 | France Etat |
-
1983
- 1983-01-19 FR FR8300753A patent/FR2539541B1/fr not_active Expired
-
1984
- 1984-01-13 EP EP19840400076 patent/EP0114764B1/fr not_active Expired
- 1984-01-13 DE DE8484400076T patent/DE3465809D1/de not_active Expired
- 1984-01-13 CA CA000445311A patent/CA1239693A/en not_active Expired
- 1984-01-18 ES ES528948A patent/ES528948A0/es active Granted
- 1984-01-18 AU AU23554/84A patent/AU2355484A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2539541A1 (fr) | 1984-07-20 |
CA1239693A (en) | 1988-07-26 |
AU2355484A (en) | 1984-07-26 |
DE3465809D1 (en) | 1987-10-08 |
FR2539541B1 (fr) | 1986-09-19 |
EP0114764B1 (fr) | 1987-09-02 |
EP0114764A2 (fr) | 1984-08-01 |
EP0114764A3 (en) | 1984-08-22 |
ES528948A0 (es) | 1985-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20010301 |