FR2215008B1 - - Google Patents
Info
- Publication number
- FR2215008B1 FR2215008B1 FR7302201A FR7302201A FR2215008B1 FR 2215008 B1 FR2215008 B1 FR 2215008B1 FR 7302201 A FR7302201 A FR 7302201A FR 7302201 A FR7302201 A FR 7302201A FR 2215008 B1 FR2215008 B1 FR 2215008B1
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7302201A FR2215008B1 (en) | 1973-01-23 | 1973-01-23 | |
DE19742402408 DE2402408A1 (en) | 1973-01-23 | 1974-01-18 | ELECTROACOUSTIC CONVERTER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7302201A FR2215008B1 (en) | 1973-01-23 | 1973-01-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2215008A1 FR2215008A1 (en) | 1974-08-19 |
FR2215008B1 true FR2215008B1 (en) | 1977-07-29 |
Family
ID=9113664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7302201A Expired FR2215008B1 (en) | 1973-01-23 | 1973-01-23 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2402408A1 (en) |
FR (1) | FR2215008B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361033A1 (en) * | 1976-08-03 | 1978-03-03 | France Etat | PIEZOELECTRIC TRANSDUCERS AND HIGH DEPTH SUBMERSIBLE ACOUSTICAL ANTENNAS |
FR2496379A1 (en) * | 1980-12-16 | 1982-06-18 | Tech Radioelect Electro Fs | Underwater electroacoustic transducer - has piezoelectric stack and surrounding envelope enclosing protective gas cushion |
FR2498866A1 (en) * | 1981-01-27 | 1982-07-30 | Tech Radioelect Electro Fs | Case for electroacoustic transducer for high hydrostatic pressure - has double wall separated by gas under pressure and contained in vulcanised rubber skin |
FR2498867A1 (en) * | 1981-01-27 | 1982-07-30 | Tech Radioelect Electro Fs | Electroacoustic transducer for great depth - has piezoelectric discs and counterweight in container with double walls separated by gas under pressure |
FR2532141A1 (en) * | 1982-08-23 | 1984-02-24 | Sintra Alcatel Sa | Submerged electroacoustic transducer. |
FR2581819B1 (en) * | 1985-05-10 | 1989-06-30 | France Etat Armement | BROADBAND RECEIVERS PONZOELECTRIC TRANSDUCERS OF THE TONPILZ TYPE AND TRANSMITTERS AND SONAR ANTENNA COMPOSED OF SUCH TRANSDUCERS |
FR2673347B1 (en) * | 1991-02-22 | 1993-05-07 | Thomson Csf | ELECTROACOUSTIC TRANSDUCER WITH OPTIMIZED ACOUSTIC DECOUPLING. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3541502A (en) * | 1969-01-03 | 1970-11-17 | Us Navy | Deep submergence transducer |
-
1973
- 1973-01-23 FR FR7302201A patent/FR2215008B1/fr not_active Expired
-
1974
- 1974-01-18 DE DE19742402408 patent/DE2402408A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2215008A1 (en) | 1974-08-19 |
DE2402408A1 (en) | 1974-07-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |