FR2697709B1 - Sealing device for electro-acoustic motors. - Google Patents

Sealing device for electro-acoustic motors.

Info

Publication number
FR2697709B1
FR2697709B1 FR9213301A FR9213301A FR2697709B1 FR 2697709 B1 FR2697709 B1 FR 2697709B1 FR 9213301 A FR9213301 A FR 9213301A FR 9213301 A FR9213301 A FR 9213301A FR 2697709 B1 FR2697709 B1 FR 2697709B1
Authority
FR
France
Prior art keywords
electro
sealing device
acoustic motors
acoustic
motors
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 - Fee Related
Application number
FR9213301A
Other languages
French (fr)
Other versions
FR2697709A1 (en
Inventor
Didier Boucher
Alain Scarpitta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Direction General pour lArmement DGA
Original Assignee
Direction General pour lArmement DGA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Direction General pour lArmement DGA filed Critical Direction General pour lArmement DGA
Priority to FR9213301A priority Critical patent/FR2697709B1/en
Priority to EP19930402495 priority patent/EP0600758B1/en
Priority to ES93402495T priority patent/ES2078809T3/en
Priority to DE1993600325 priority patent/DE69300325T2/en
Priority to CA 2109465 priority patent/CA2109465C/en
Publication of FR2697709A1 publication Critical patent/FR2697709A1/en
Application granted granted Critical
Publication of FR2697709B1 publication Critical patent/FR2697709B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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'
FR9213301A 1992-11-05 1992-11-05 Sealing device for electro-acoustic motors. Expired - Fee Related FR2697709B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9213301A FR2697709B1 (en) 1992-11-05 1992-11-05 Sealing device for electro-acoustic motors.
EP19930402495 EP0600758B1 (en) 1992-11-05 1993-10-11 Seal for electro-acoustic motors
ES93402495T ES2078809T3 (en) 1992-11-05 1993-10-11 SEALING DEVICE FOR ELECTRO-ACOUSTIC MOTORS.
DE1993600325 DE69300325T2 (en) 1992-11-05 1993-10-11 Sealing device for electro-acoustic motors.
CA 2109465 CA2109465C (en) 1992-11-05 1993-10-28 Sealing device for electro-acoustical transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9213301A FR2697709B1 (en) 1992-11-05 1992-11-05 Sealing device for electro-acoustic motors.

Publications (2)

Publication Number Publication Date
FR2697709A1 FR2697709A1 (en) 1994-05-06
FR2697709B1 true FR2697709B1 (en) 1994-12-30

Family

ID=9435244

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9213301A Expired - Fee Related FR2697709B1 (en) 1992-11-05 1992-11-05 Sealing device for electro-acoustic motors.

Country Status (5)

Country Link
EP (1) EP0600758B1 (en)
CA (1) CA2109465C (en)
DE (1) DE69300325T2 (en)
ES (1) ES2078809T3 (en)
FR (1) FR2697709B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2720587B1 (en) * 1994-05-26 1996-07-05 France Etat Armement Improvement to sonar antennas provided with a common counterweight.
FR2720585B1 (en) * 1994-05-26 1996-07-05 France Etat Armement Electro-acoustic transducer with open sonar antenna.
EP0684085A1 (en) * 1994-05-26 1995-11-29 ETAT FRANCAIS Représenté par le Délégué Général pour l'Armement Open sonar array comprising electroacoustic transducers
FR2728425B1 (en) * 1994-12-15 1997-01-31 France Etat Armement ELECTROACOUSTIC LINEAR TRANSMISSION ANTENNA AND TRANSMISSION / RECEPTION ANTENNA COMPRISING SUCH ANTENNA
FR2779533B1 (en) * 1998-06-09 2000-08-25 Total Sa HIGH RESOLUTION SEISMIC ACQUISITION DEVICE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
DE3670941D1 (en) * 1985-11-30 1990-06-07 Ferranti Int Plc TUBULAR, ACOUSTIC TRANSMITTER.
FR2665998B1 (en) * 1988-05-05 1993-10-29 Etat Francais Delegue Armement ELECTRO-ACOUSTIC TRANSDUCERS AND METHODS FOR TRANSMITTING LOW FREQUENCY ACOUSTIC WAVES INTO A LIQUID.
FR2634292B1 (en) * 1988-07-15 1990-10-19 Grosso Gilles METHOD AND DEVICES FOR MAINTAINING THE GAS CONTAINED IN A SUBMERSIBLE PRESSURE BALANCED ENCLOSURE WITH THE OUTSIDE
US5103130A (en) * 1988-12-20 1992-04-07 Rolt Kenneth D Sound reinforcing seal for slotted acoustic transducers

Also Published As

Publication number Publication date
EP0600758B1 (en) 1995-08-02
DE69300325T2 (en) 1996-04-18
DE69300325D1 (en) 1995-09-07
CA2109465A1 (en) 1994-05-06
ES2078809T3 (en) 1995-12-16
FR2697709A1 (en) 1994-05-06
CA2109465C (en) 2002-01-22
EP0600758A1 (en) 1994-06-08

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080930