FR2826828B1 - Transducteur acoustique a anneau precontraint - Google Patents
Transducteur acoustique a anneau precontraintInfo
- Publication number
- FR2826828B1 FR2826828B1 FR0108675A FR0108675A FR2826828B1 FR 2826828 B1 FR2826828 B1 FR 2826828B1 FR 0108675 A FR0108675 A FR 0108675A FR 0108675 A FR0108675 A FR 0108675A FR 2826828 B1 FR2826828 B1 FR 2826828B1
- Authority
- FR
- France
- Prior art keywords
- stressing
- wedges
- screws
- acoustic transducer
- transducers
- 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.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 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
- B06B1/0655—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 of cylindrical shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Coils Or Transformers For Communication (AREA)
- Burglar Alarm Systems (AREA)
- Electrophonic Musical Instruments (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Surgical Instruments (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0108675A FR2826828B1 (fr) | 2001-06-29 | 2001-06-29 | Transducteur acoustique a anneau precontraint |
DE60205627T DE60205627T2 (de) | 2001-06-29 | 2002-06-04 | Akustischer wandler unter verwendung eines vorgespannten rings |
US10/481,429 US6879090B2 (en) | 2001-06-29 | 2002-06-04 | Acoustic transducer with prestressed ring |
DK02748930T DK1399273T3 (da) | 2001-06-29 | 2002-06-04 | Akustisk transducer med forspændt ring |
EP02748930A EP1399273B1 (fr) | 2001-06-29 | 2002-06-04 | Transducteur acoustique a anneau precontraint |
AT02748930T ATE302070T1 (de) | 2001-06-29 | 2002-06-04 | Akustischer wandler unter verwendung eines vorgespannten rings |
PCT/FR2002/001898 WO2003002271A1 (fr) | 2001-06-29 | 2002-06-04 | Transducteur acoustique a anneau precontraint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0108675A FR2826828B1 (fr) | 2001-06-29 | 2001-06-29 | Transducteur acoustique a anneau precontraint |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2826828A1 FR2826828A1 (fr) | 2003-01-03 |
FR2826828B1 true FR2826828B1 (fr) | 2003-12-12 |
Family
ID=8864970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0108675A Expired - Lifetime FR2826828B1 (fr) | 2001-06-29 | 2001-06-29 | Transducteur acoustique a anneau precontraint |
Country Status (7)
Country | Link |
---|---|
US (1) | US6879090B2 (fr) |
EP (1) | EP1399273B1 (fr) |
AT (1) | ATE302070T1 (fr) |
DE (1) | DE60205627T2 (fr) |
DK (1) | DK1399273T3 (fr) |
FR (1) | FR2826828B1 (fr) |
WO (1) | WO2003002271A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004065924A1 (fr) * | 2003-01-17 | 2004-08-05 | Kistler Holding Ag | Element de precontrainte pour des capteurs |
WO2008144443A1 (fr) * | 2007-05-18 | 2008-11-27 | Gsi Group Corporation | Traitement laser de liaisons conductrices |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2469441A (en) * | 1945-03-06 | 1949-05-10 | Wright Aeronautical Corp | Locking plate |
US3142035A (en) * | 1960-02-04 | 1964-07-21 | Harris Transducer Corp | Ring-shaped transducer |
US4446544A (en) * | 1981-11-30 | 1984-05-01 | The United States Of America As Represented By The Secretary Of The Navy | Small diameter, low frequency multimode hydrophone |
CA1294360C (fr) * | 1988-03-11 | 1992-01-14 | Garfield W. Mcmahon | Transducteur sous-marin |
FR2697062B1 (fr) * | 1992-10-15 | 1994-12-09 | Rapid Sa | Dispositif de maintien d'une pluralité de vis, écrous ou analogues sur une pièce quelconque. |
GB9409133D0 (en) * | 1994-05-09 | 1994-11-30 | Secr Defence | Sonar ring transducer |
FR2728755B1 (fr) * | 1994-12-23 | 1997-01-24 | Thomson Csf | Transducteur acoustique en anneau precontraint |
FR2786957B1 (fr) * | 1998-12-07 | 2001-02-23 | Sfim Ind | Actionneur piezo-electrique ou electrostrictif |
-
2001
- 2001-06-29 FR FR0108675A patent/FR2826828B1/fr not_active Expired - Lifetime
-
2002
- 2002-06-04 WO PCT/FR2002/001898 patent/WO2003002271A1/fr not_active Application Discontinuation
- 2002-06-04 AT AT02748930T patent/ATE302070T1/de not_active IP Right Cessation
- 2002-06-04 DE DE60205627T patent/DE60205627T2/de not_active Expired - Lifetime
- 2002-06-04 DK DK02748930T patent/DK1399273T3/da active
- 2002-06-04 EP EP02748930A patent/EP1399273B1/fr not_active Expired - Lifetime
- 2002-06-04 US US10/481,429 patent/US6879090B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6879090B2 (en) | 2005-04-12 |
DK1399273T3 (da) | 2005-10-17 |
EP1399273B1 (fr) | 2005-08-17 |
WO2003002271A1 (fr) | 2003-01-09 |
EP1399273A1 (fr) | 2004-03-24 |
FR2826828A1 (fr) | 2003-01-03 |
DE60205627D1 (de) | 2005-09-22 |
ATE302070T1 (de) | 2005-09-15 |
US20040256962A1 (en) | 2004-12-23 |
DE60205627T2 (de) | 2006-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 16 |
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PLFP | Fee payment |
Year of fee payment: 17 |
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PLFP | Fee payment |
Year of fee payment: 18 |
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PLFP | Fee payment |
Year of fee payment: 20 |