FR2330239A1 - Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statique - Google Patents
Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statiqueInfo
- Publication number
- FR2330239A1 FR2330239A1 FR7532993A FR7532993A FR2330239A1 FR 2330239 A1 FR2330239 A1 FR 2330239A1 FR 7532993 A FR7532993 A FR 7532993A FR 7532993 A FR7532993 A FR 7532993A FR 2330239 A1 FR2330239 A1 FR 2330239A1
- Authority
- FR
- France
- Prior art keywords
- static pressure
- acoustic waves
- pressure variations
- transducer device
- automatic compensation
- Prior art date
- 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.)
- Granted
Links
- 230000003068 static effect Effects 0.000 title 1
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
- B06B1/0644—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 single piezoelectric element
- B06B1/0662—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 single piezoelectric element with an electrode on the sensitive surface
- B06B1/0666—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 single piezoelectric element with an electrode on the sensitive surface used as a diaphragm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7532993A FR2330239A1 (fr) | 1975-10-27 | 1975-10-27 | Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statique |
NO763452A NO144187C (no) | 1975-10-27 | 1976-10-08 | Transduser for akustiske boelger. |
US05/733,052 US4074224A (en) | 1975-10-27 | 1976-10-18 | Acoustic wave transducer with automatic compensation of the static pressure variations |
BE1007712A BE847532A (fr) | 1975-10-27 | 1976-10-22 | Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statique, |
DK479676A DK154388C (da) | 1975-10-27 | 1976-10-22 | Lydboelgetransduktor |
NLAANVRAGE7611820,A NL182360C (nl) | 1975-10-27 | 1976-10-25 | Omzetinrichting voor geluidsgolven met automatische compensatie van variaties van de statische druk. |
CA264,243A CA1067199A (fr) | 1975-10-27 | 1976-10-26 | Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statique |
GB44432/76A GB1550483A (en) | 1975-10-27 | 1976-10-26 | Acoustic wave transducer devices |
JP51129303A JPS5921239B2 (ja) | 1975-10-27 | 1976-10-27 | 静水圧変動の自動調節装置付音波変換装置 |
IT28731/76A IT1073119B (it) | 1975-10-27 | 1976-10-27 | Dispositivo trasduttore di onde acustiche a compensazione automatica delle variazioni di pressione statica |
SU762414908A SU685170A3 (ru) | 1975-10-27 | 1976-10-27 | Преобразователь звуковых волн с компенсацией изменений гидростатического давлени |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7532993A FR2330239A1 (fr) | 1975-10-27 | 1975-10-27 | Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2330239A1 true FR2330239A1 (fr) | 1977-05-27 |
FR2330239B1 FR2330239B1 (fr) | 1981-05-22 |
Family
ID=9161769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7532993A Granted FR2330239A1 (fr) | 1975-10-27 | 1975-10-27 | Dispositif transducteur d'ondes acoustiques a compensation automatique des variations de pression statique |
Country Status (11)
Country | Link |
---|---|
US (1) | US4074224A (fr) |
JP (1) | JPS5921239B2 (fr) |
BE (1) | BE847532A (fr) |
CA (1) | CA1067199A (fr) |
DK (1) | DK154388C (fr) |
FR (1) | FR2330239A1 (fr) |
GB (1) | GB1550483A (fr) |
IT (1) | IT1073119B (fr) |
NL (1) | NL182360C (fr) |
NO (1) | NO144187C (fr) |
SU (1) | SU685170A3 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818539B2 (ja) * | 1980-12-22 | 1983-04-13 | 日本発条株式会社 | 板ばね |
US4784148A (en) * | 1986-02-21 | 1988-11-15 | Johnson & Johnson | Ultrasonic transducer probe expansion chamber |
AU616689B2 (en) * | 1987-10-30 | 1991-11-07 | Divelink Pty. Ltd. | Pressure compensated communication system |
FR2634292B1 (fr) * | 1988-07-15 | 1990-10-19 | Grosso Gilles | Procede et dispositifs pour maintenir le gaz contenu dans une enceinte immergee en equilibre de pression avec l'exterieur |
US5828761A (en) * | 1995-06-19 | 1998-10-27 | Langer; Alexander G. | Sound amplification system having a submersible microphone |
US6353670B1 (en) | 1996-07-02 | 2002-03-05 | Donald R. Gasner | Actively control sound transducer |
US6418792B1 (en) | 1999-09-24 | 2002-07-16 | Stephen Edward Spychalski | Pressure compensated transducer |
US20030062071A1 (en) * | 2001-09-28 | 2003-04-03 | Sorbo Nelson W. | Dense-phase fluid cleaning system utilizing ultrasonic transducers |
FR2832019B1 (fr) * | 2001-11-02 | 2004-01-02 | Inst Francais Du Petrole | Hydrophone a inhibition automatique en cas de depassement d'un seuil d'immersion ajustable |
EP2856212B1 (fr) | 2012-05-24 | 2020-04-15 | Optoplan As | Module hydrophone |
CN109099297B (zh) * | 2018-09-13 | 2021-02-19 | 哈尔滨工程大学 | 一种用于管路噪声测量的水听器安装基座 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2451968A (en) * | 1940-01-03 | 1948-10-19 | Rca Corp | Magnetostrictive electroacoustic transducer |
US2404785A (en) * | 1942-06-05 | 1946-07-30 | Bell Telephone Labor Inc | Electromechanical device |
US2444049A (en) * | 1945-01-26 | 1948-06-29 | Bell Telephone Labor Inc | Pressure compensated submarine sound transmitter or receiver |
US3235835A (en) * | 1963-06-28 | 1966-02-15 | Celestronics Inc | Underwater communicator |
ES353912A1 (es) * | 1967-05-16 | 1970-03-01 | Inst Francais Du Petrole | Captador de presiones. |
DE1943208A1 (de) * | 1969-08-25 | 1971-03-18 | Frisch Geb Kg Eisenwerk | Steuerschieber fuer Hydraulikzylinder |
-
1975
- 1975-10-27 FR FR7532993A patent/FR2330239A1/fr active Granted
-
1976
- 1976-10-08 NO NO763452A patent/NO144187C/no unknown
- 1976-10-18 US US05/733,052 patent/US4074224A/en not_active Expired - Lifetime
- 1976-10-22 DK DK479676A patent/DK154388C/da active
- 1976-10-22 BE BE1007712A patent/BE847532A/fr not_active IP Right Cessation
- 1976-10-25 NL NLAANVRAGE7611820,A patent/NL182360C/xx not_active IP Right Cessation
- 1976-10-26 CA CA264,243A patent/CA1067199A/fr not_active Expired
- 1976-10-26 GB GB44432/76A patent/GB1550483A/en not_active Expired
- 1976-10-27 IT IT28731/76A patent/IT1073119B/it active
- 1976-10-27 SU SU762414908A patent/SU685170A3/ru active
- 1976-10-27 JP JP51129303A patent/JPS5921239B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL182360C (nl) | 1988-02-16 |
JPS5255574A (en) | 1977-05-07 |
BE847532A (fr) | 1977-04-22 |
FR2330239B1 (fr) | 1981-05-22 |
DK154388B (da) | 1988-11-07 |
NL182360B (nl) | 1987-09-16 |
IT1073119B (it) | 1985-04-13 |
CA1067199A (fr) | 1979-11-27 |
NO144187B (no) | 1981-03-30 |
GB1550483A (en) | 1979-08-15 |
DK154388C (da) | 1989-04-17 |
SU685170A3 (ru) | 1979-09-05 |
NO763452L (fr) | 1977-04-28 |
NO144187C (no) | 1981-07-08 |
JPS5921239B2 (ja) | 1984-05-18 |
US4074224A (en) | 1978-02-14 |
DK479676A (da) | 1977-04-28 |
NL7611820A (nl) | 1977-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |