FR2284242A1 - Transducteur piezoelectrique a basse frequence - Google Patents
Transducteur piezoelectrique a basse frequenceInfo
- Publication number
- FR2284242A1 FR2284242A1 FR7430415A FR7430415A FR2284242A1 FR 2284242 A1 FR2284242 A1 FR 2284242A1 FR 7430415 A FR7430415 A FR 7430415A FR 7430415 A FR7430415 A FR 7430415A FR 2284242 A1 FR2284242 A1 FR 2284242A1
- Authority
- FR
- France
- Prior art keywords
- low frequency
- piezoelectric transducer
- frequency piezoelectric
- transducer
- low
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7430415A FR2284242A1 (fr) | 1974-09-09 | 1974-09-09 | Transducteur piezoelectrique a basse frequence |
GB34461/75A GB1515555A (en) | 1974-09-09 | 1975-08-19 | Piezoelectric transducer |
US05/610,076 US4031418A (en) | 1974-09-09 | 1975-09-03 | Low frequency acoustical piezo-electric transducer |
DE19752539246 DE2539246A1 (de) | 1974-09-09 | 1975-09-03 | Piezoelektrischer wandler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7430415A FR2284242A1 (fr) | 1974-09-09 | 1974-09-09 | Transducteur piezoelectrique a basse frequence |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2284242A1 true FR2284242A1 (fr) | 1976-04-02 |
FR2284242B1 FR2284242B1 (fr) | 1977-10-28 |
Family
ID=9142874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7430415A Granted FR2284242A1 (fr) | 1974-09-09 | 1974-09-09 | Transducteur piezoelectrique a basse frequence |
Country Status (4)
Country | Link |
---|---|
US (1) | US4031418A (fr) |
DE (1) | DE2539246A1 (fr) |
FR (1) | FR2284242A1 (fr) |
GB (1) | GB1515555A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496379A1 (fr) * | 1980-12-16 | 1982-06-18 | Tech Radioelect Electro Fs | Transducteur electroacoustique de puissance pour immersion profonde |
FR2498867A1 (fr) * | 1981-01-27 | 1982-07-30 | Tech Radioelect Electro Fs | Transducteur electroacoustique de puissance concu pour les immersions a grande profondeur |
FR2498866A1 (fr) * | 1981-01-27 | 1982-07-30 | Tech Radioelect Electro Fs | Carter de maintien pour transducteur electroacoustique de puissance soumis a de fortes pressions hydrostatiques |
FR2532141A1 (fr) * | 1982-08-23 | 1984-02-24 | Sintra Alcatel Sa | Transducteur electro-acoustique immerge |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319345A (en) * | 1980-05-23 | 1982-03-09 | Halliburton Company | Acoustic well-logging transmitting and receiving transducers |
DE3218576C2 (de) * | 1982-05-17 | 1984-11-08 | Honeywell Gmbh, 6050 Offenbach | Piezoelektrisches Stellglied |
FR2570916B1 (fr) * | 1983-06-23 | 1988-04-15 | France Etat Armement | Procede et transducteur electro-acoustique pour emettre ou recevoir des ondes acoustiques dans plusieurs bandes passantes |
FR2581821B1 (fr) * | 1985-05-10 | 1988-10-07 | France Etat Armement | Procede pour utiliser un transducteur piezo-electrique de type tonpilz alternativement comme emetteur et comme recepteur a large bande et transducteurs piezo-electriques |
US4704709A (en) * | 1985-07-12 | 1987-11-03 | Westinghouse Electric Corp. | Transducer assembly with explosive shock protection |
DE3941634A1 (de) * | 1989-12-15 | 1991-06-20 | Siemens Ag | Schallisolierte halterung eines ultraschallwandlers |
DE4029972A1 (de) * | 1990-09-21 | 1992-03-26 | Siemens Ag | Ultraschallwandler aus piezokeramik |
FR2695284B1 (fr) * | 1992-08-28 | 1994-10-14 | Thomson Csf | Transducteur Tonpilz protégé contre les chocs. |
DE19712292B4 (de) * | 1997-03-24 | 2004-12-02 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Schwingungsdämpfer |
FR2818754B1 (fr) * | 2000-12-21 | 2004-06-18 | Inst Francais Du Petrole | Dispositif pour engendrer des ondes elastiques focalisees dans un milieu materiel tel que le sous-sol, et methode pour sa mise en oeuvre |
US7535801B1 (en) * | 2005-04-29 | 2009-05-19 | Lockheed Martin Corporation | Multiple frequency sonar transducer |
FR2940579B1 (fr) * | 2008-12-23 | 2012-09-28 | Ixsea | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree. |
US8188638B2 (en) * | 2009-07-27 | 2012-05-29 | The United States Of America As Represented By The Secretary Of The Navy | Cooling acoustic transducer with heat pipes |
RU2556278C1 (ru) * | 2013-12-09 | 2015-07-10 | Олег Савельевич Кочетов | Способ имитации гармонического и случайного воздействий |
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 |
US11255823B2 (en) * | 2018-09-24 | 2022-02-22 | Armstrong International, Inc. | Steam/hot water device monitoring |
US20230393100A1 (en) * | 2018-09-24 | 2023-12-07 | Armstrong International, Inc. | Device monitoring systems and methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3281770A (en) * | 1963-06-18 | 1966-10-25 | Claude C Sims | Cavity loaded piston resonator |
US3328751A (en) * | 1966-03-28 | 1967-06-27 | Dynamics Corp Massa Div | Electroacoustic transducer |
US3421139A (en) * | 1966-08-23 | 1969-01-07 | Sangamo Electric Co | Acoustic transducers |
US3686115A (en) * | 1970-06-18 | 1972-08-22 | Charles E Farman | Ultrasonic apparatus and method for the purification of fluids |
US3778758A (en) * | 1972-09-25 | 1973-12-11 | Us Navy | Transducer |
-
1974
- 1974-09-09 FR FR7430415A patent/FR2284242A1/fr active Granted
-
1975
- 1975-08-19 GB GB34461/75A patent/GB1515555A/en not_active Expired
- 1975-09-03 DE DE19752539246 patent/DE2539246A1/de not_active Withdrawn
- 1975-09-03 US US05/610,076 patent/US4031418A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496379A1 (fr) * | 1980-12-16 | 1982-06-18 | Tech Radioelect Electro Fs | Transducteur electroacoustique de puissance pour immersion profonde |
FR2498867A1 (fr) * | 1981-01-27 | 1982-07-30 | Tech Radioelect Electro Fs | Transducteur electroacoustique de puissance concu pour les immersions a grande profondeur |
FR2498866A1 (fr) * | 1981-01-27 | 1982-07-30 | Tech Radioelect Electro Fs | Carter de maintien pour transducteur electroacoustique de puissance soumis a de fortes pressions hydrostatiques |
FR2532141A1 (fr) * | 1982-08-23 | 1984-02-24 | Sintra Alcatel Sa | Transducteur electro-acoustique immerge |
Also Published As
Publication number | Publication date |
---|---|
FR2284242B1 (fr) | 1977-10-28 |
US4031418A (en) | 1977-06-21 |
GB1515555A (en) | 1978-06-28 |
DE2539246A1 (de) | 1976-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |