BE823662A - Dispositif de transmission et de concentration d'ondes acoustiques - Google Patents
Dispositif de transmission et de concentration d'ondes acoustiquesInfo
- Publication number
- BE823662A BE823662A BE151766A BE151766A BE823662A BE 823662 A BE823662 A BE 823662A BE 151766 A BE151766 A BE 151766A BE 151766 A BE151766 A BE 151766A BE 823662 A BE823662 A BE 823662A
- Authority
- BE
- Belgium
- Prior art keywords
- acoustic waves
- concentration device
- waves transmission
- transmission
- concentration
- Prior art date
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
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7400775A FR2257974B1 (fr) | 1974-01-10 | 1974-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE823662A true BE823662A (fr) | 1975-04-16 |
Family
ID=9133301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE151766A BE823662A (fr) | 1974-01-10 | 1974-12-20 | Dispositif de transmission et de concentration d'ondes acoustiques |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE823662A (fr) |
DE (1) | DE7500305U (fr) |
ES (1) | ES433662A1 (fr) |
FR (1) | FR2257974B1 (fr) |
GB (1) | GB1469391A (fr) |
IT (1) | IT1027261B (fr) |
SE (1) | SE7500132L (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2410287A1 (fr) * | 1977-11-23 | 1979-06-22 | Cgr Ultrasonic | Appareil d'echographie medicale a balayage sectoriel de grande ouverture angulaire |
DE3003153C2 (de) * | 1980-01-30 | 1982-04-29 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Vorrichtung zur fernbedienten Ortung von Oberflächen |
-
1974
- 1974-01-10 FR FR7400775A patent/FR2257974B1/fr not_active Expired
- 1974-12-20 BE BE151766A patent/BE823662A/fr not_active IP Right Cessation
-
1975
- 1975-01-02 GB GB15175A patent/GB1469391A/en not_active Expired
- 1975-01-08 DE DE19757500305U patent/DE7500305U/de not_active Expired
- 1975-01-08 SE SE7500132A patent/SE7500132L/xx unknown
- 1975-01-09 ES ES433662A patent/ES433662A1/es not_active Expired
- 1975-01-09 IT IT67034/75A patent/IT1027261B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2257974B1 (fr) | 1978-11-10 |
DE7500305U (de) | 1975-12-11 |
IT1027261B (it) | 1978-11-20 |
GB1469391A (en) | 1977-04-06 |
SE7500132L (fr) | 1975-07-11 |
ES433662A1 (es) | 1977-07-01 |
FR2257974A1 (fr) | 1975-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: COMMISSARIAT A L ENERGIE ATOMIQUE Effective date: 19861231 |