FR2498867B1 - - Google Patents
Info
- Publication number
- FR2498867B1 FR2498867B1 FR8101440A FR8101440A FR2498867B1 FR 2498867 B1 FR2498867 B1 FR 2498867B1 FR 8101440 A FR8101440 A FR 8101440A FR 8101440 A FR8101440 A FR 8101440A FR 2498867 B1 FR2498867 B1 FR 2498867B1
- 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'
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8101440A FR2498867A1 (fr) | 1981-01-27 | 1981-01-27 | Transducteur electroacoustique de puissance concu pour les immersions a grande profondeur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8101440A FR2498867A1 (fr) | 1981-01-27 | 1981-01-27 | Transducteur electroacoustique de puissance concu pour les immersions a grande profondeur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2498867A1 FR2498867A1 (fr) | 1982-07-30 |
FR2498867B1 true FR2498867B1 (fr) | 1984-09-14 |
Family
ID=9254533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8101440A Granted FR2498867A1 (fr) | 1981-01-27 | 1981-01-27 | Transducteur electroacoustique de puissance concu pour les immersions a grande profondeur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2498867A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2532141A1 (fr) * | 1982-08-23 | 1984-02-24 | Sintra Alcatel Sa | Transducteur electro-acoustique immerge |
FR2569326B1 (fr) * | 1984-08-16 | 1988-07-29 | France Etat Armement | Transducteurs piezo-electriques et antennes de sonar pouvant etre immerges a grande profondeur |
FR2720589B1 (fr) * | 1994-05-27 | 1996-07-05 | France Etat Armement | Procédé et transducteur pour émettre des ondes acoustiques à larges bandes et basses fréquences en profondeur d'immersion illimitée. |
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 (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3277436A (en) * | 1956-02-09 | 1966-10-04 | James W Fitzgerald | Hollow electro-acoustic transducer |
US3541502A (en) * | 1969-01-03 | 1970-11-17 | Us Navy | Deep submergence transducer |
FR2085545B1 (fr) * | 1970-04-30 | 1973-10-19 | Brandt Otto | |
FR2215008B1 (fr) * | 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 FR8101440A patent/FR2498867A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2498867A1 (fr) | 1982-07-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |