FR2263656B1 - - Google Patents
Info
- Publication number
- FR2263656B1 FR2263656B1 FR7407351A FR7407351A FR2263656B1 FR 2263656 B1 FR2263656 B1 FR 2263656B1 FR 7407351 A FR7407351 A FR 7407351A FR 7407351 A FR7407351 A FR 7407351A FR 2263656 B1 FR2263656 B1 FR 2263656B1
- 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
- B06B1/0603—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 a piezoelectric bender, e.g. bimorph
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7407351A FR2263656B1 (US06605200-20030812-C00035.png) | 1974-03-05 | 1974-03-05 | |
| GB7702/75A GB1493840A (en) | 1974-03-05 | 1975-02-24 | Flexible diaphragm type hydrophone |
| DE19752507956 DE2507956A1 (de) | 1974-03-05 | 1975-02-25 | Unterwassermikrophon |
| US05/555,592 US4010441A (en) | 1974-03-05 | 1975-03-05 | Flexion-plate hydrophones |
| AU78824/75A AU494957B2 (en) | 1974-03-05 | 1975-03-05 | Flexible diaphragm type hydrophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7407351A FR2263656B1 (US06605200-20030812-C00035.png) | 1974-03-05 | 1974-03-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2263656A1 FR2263656A1 (US06605200-20030812-C00035.png) | 1975-10-03 |
| FR2263656B1 true FR2263656B1 (US06605200-20030812-C00035.png) | 1978-01-06 |
Family
ID=9135821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7407351A Expired FR2263656B1 (US06605200-20030812-C00035.png) | 1974-03-05 | 1974-03-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4010441A (US06605200-20030812-C00035.png) |
| DE (1) | DE2507956A1 (US06605200-20030812-C00035.png) |
| FR (1) | FR2263656B1 (US06605200-20030812-C00035.png) |
| GB (1) | GB1493840A (US06605200-20030812-C00035.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536622B1 (fr) * | 1982-11-19 | 1986-03-07 | Thomson Csf | Hydrophone de vitesse |
| FR2540325A1 (fr) * | 1983-01-28 | 1984-08-03 | Thomson Csf | Hydrophone de vitesse |
| US5033032A (en) * | 1988-10-05 | 1991-07-16 | Microsonics, Inc. | Air-gap hydrophone |
| US5099461A (en) * | 1989-02-14 | 1992-03-24 | Fitzgerald James W | Underwater electroacoustic transducers |
| FR2671927B1 (fr) * | 1991-01-22 | 1995-10-06 | France Etat Armement | Transducteurs electro-acoustiques directifs et procedes et dispositifs de fabrication. |
| US5572487A (en) * | 1995-01-24 | 1996-11-05 | The United States Of America As Represented By The Secretary Of The Navy | High pressure, high frequency reciprocal transducer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2448365A (en) * | 1945-07-27 | 1948-08-31 | Bell Telephone Labor Inc | Projector and receiver of supersonic frequencies |
| US3202962A (en) * | 1959-09-03 | 1965-08-24 | Honeywell Inc | Transducer |
| US3054084A (en) * | 1959-09-28 | 1962-09-11 | Edwin J Parssinen | Balanced flexural electroacoustic transducer |
| US3166730A (en) * | 1959-09-29 | 1965-01-19 | Jr James R Brown | Annular electrostrictive transducer |
| US3255431A (en) * | 1960-10-06 | 1966-06-07 | Gulton Ind Inc | Hydrophone |
| US3252016A (en) * | 1962-09-11 | 1966-05-17 | Gulton Ind Inc | Electro-mechanical transducer |
| US3573394A (en) * | 1967-09-14 | 1971-04-06 | Ind Scient Research Corp | Piezoelectric microphone with biasing means |
| FR2122675A5 (US06605200-20030812-C00035.png) * | 1971-01-19 | 1972-09-01 | Inst Francais Du Petrole | |
| US3832762A (en) * | 1972-05-22 | 1974-09-03 | Texas Instruments Inc | Method of producing a matched parameter acceleration cancelling hydrophone |
-
1974
- 1974-03-05 FR FR7407351A patent/FR2263656B1/fr not_active Expired
-
1975
- 1975-02-24 GB GB7702/75A patent/GB1493840A/en not_active Expired
- 1975-02-25 DE DE19752507956 patent/DE2507956A1/de not_active Withdrawn
- 1975-03-05 US US05/555,592 patent/US4010441A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1493840A (en) | 1977-11-30 |
| DE2507956A1 (de) | 1975-09-11 |
| US4010441A (en) | 1977-03-01 |
| FR2263656A1 (US06605200-20030812-C00035.png) | 1975-10-03 |
| AU7882475A (en) | 1976-09-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |