FR2498866B1 - - Google Patents
Info
- Publication number
- FR2498866B1 FR2498866B1 FR8101439A FR8101439A FR2498866B1 FR 2498866 B1 FR2498866 B1 FR 2498866B1 FR 8101439 A FR8101439 A FR 8101439A FR 8101439 A FR8101439 A FR 8101439A FR 2498866 B1 FR2498866 B1 FR 2498866B1
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
- B06B1/0618—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
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- 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
- G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
- G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8101439A FR2498866A1 (fr) | 1981-01-27 | 1981-01-27 | Carter de maintien pour transducteur electroacoustique de puissance soumis a de fortes pressions hydrostatiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8101439A FR2498866A1 (fr) | 1981-01-27 | 1981-01-27 | Carter de maintien pour transducteur electroacoustique de puissance soumis a de fortes pressions hydrostatiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2498866A1 FR2498866A1 (fr) | 1982-07-30 |
| FR2498866B1 true FR2498866B1 (ro) | 1984-05-25 |
Family
ID=9254532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8101439A Granted FR2498866A1 (fr) | 1981-01-27 | 1981-01-27 | Carter de maintien pour transducteur electroacoustique de puissance soumis a de fortes pressions hydrostatiques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2498866A1 (ro) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2532141A1 (fr) * | 1982-08-23 | 1984-02-24 | Sintra Alcatel Sa | Transducteur electro-acoustique immerge |
| JP2682014B2 (ja) * | 1988-06-10 | 1997-11-26 | 石川島播磨重工業株式会社 | 液圧駆動スピーカ |
| FR2651342B1 (fr) * | 1989-08-31 | 1991-11-22 | Etat Francais Delegue Darmement | Dispositif d'equilibrage en pression d'une capacite de gaz immergee, notamment pour haut parleur sous immersion. |
| EP0684085A1 (fr) * | 1994-05-26 | 1995-11-29 | ETAT FRANCAIS Représenté par le Délégué Général pour l'Armement | Antenne sonar ouverte comportant des transducteurs électro-acoustiques |
| JP6353224B2 (ja) * | 2013-12-27 | 2018-07-04 | 古野電気株式会社 | 超音波送受波器、水中探知装置、及び超音波送受波器の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3262093A (en) * | 1961-11-14 | 1966-07-19 | Miguel C Junger | Pressure compensated sonic transducer |
| FR2085545B1 (ro) * | 1970-04-30 | 1973-10-19 | Brandt Otto | |
| FR2215008B1 (ro) * | 1973-01-23 | 1977-07-29 | France Etat | |
| FR2284242A1 (fr) * | 1974-09-09 | 1976-04-02 | France Etat | Transducteur piezoelectrique a basse frequence |
-
1981
- 1981-01-27 FR FR8101439A patent/FR2498866A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2498866A1 (fr) | 1982-07-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |