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FR2290813A1 - Pressure resistant electro-acoustic transducer - has transmitter or receiver device resisting hydrostatic pressure using special fluid - Google Patents

Pressure resistant electro-acoustic transducer - has transmitter or receiver device resisting hydrostatic pressure using special fluid

Info

Publication number
FR2290813A1
FR2290813A1 FR7437074A FR7437074A FR2290813A1 FR 2290813 A1 FR2290813 A1 FR 2290813A1 FR 7437074 A FR7437074 A FR 7437074A FR 7437074 A FR7437074 A FR 7437074A FR 2290813 A1 FR2290813 A1 FR 2290813A1
Authority
FR
France
Prior art keywords
fluid
acoustic transducer
pressure
transmitter
receiver device
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.)
Withdrawn
Application number
FR7437074A
Other languages
French (fr)
Inventor
Michel Lagier
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7437074A priority Critical patent/FR2290813A1/en
Priority to DE19752550188 priority patent/DE2550188A1/en
Priority to BR7507374A priority patent/BR7507374A/en
Priority to JP13391175A priority patent/JPS5170630A/en
Publication of FR2290813A1 publication Critical patent/FR2290813A1/en
Withdrawn legal-status Critical Current

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
    • B06B1/0607—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'

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

Pressure resistant electro-acoustic transducer has a fluid in a chamber which compensates for outer existing applied pressure. The device has the compensation fluid (7) operating in conjunction with the upper inner surface of the housing. The compensating fluid has a predetermined velocity of sound propagation which is less than that of the vibrating material (4). The housing surface dimensions for the profile in contact with the fluid are such that the forced vibrations are minimal in regard to entry zone sound intensity for a given excitation frequency. The vibrator may be made of a ceramic material (4) with the housing (1) consisting of a horn filled with the fluid (7).
FR7437074A 1974-11-08 1974-11-08 Pressure resistant electro-acoustic transducer - has transmitter or receiver device resisting hydrostatic pressure using special fluid Withdrawn FR2290813A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7437074A FR2290813A1 (en) 1974-11-08 1974-11-08 Pressure resistant electro-acoustic transducer - has transmitter or receiver device resisting hydrostatic pressure using special fluid
DE19752550188 DE2550188A1 (en) 1974-11-08 1975-11-07 PRESSURE RESISTANT ELECTROACOUSTIC CONVERTER
BR7507374A BR7507374A (en) 1974-11-08 1975-11-07 HIGH PRESSURE-RESISTANT ELECTROACUSTIC TRANSDUCER
JP13391175A JPS5170630A (en) 1974-11-08 1975-11-07 KYODAINAATSURYOKUNIKOSURUDENKIONKYOTORANSUDEYUUSA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7437074A FR2290813A1 (en) 1974-11-08 1974-11-08 Pressure resistant electro-acoustic transducer - has transmitter or receiver device resisting hydrostatic pressure using special fluid

Publications (1)

Publication Number Publication Date
FR2290813A1 true FR2290813A1 (en) 1976-06-04

Family

ID=9144789

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437074A Withdrawn FR2290813A1 (en) 1974-11-08 1974-11-08 Pressure resistant electro-acoustic transducer - has transmitter or receiver device resisting hydrostatic pressure using special fluid

Country Status (4)

Country Link
JP (1) JPS5170630A (en)
BR (1) BR7507374A (en)
DE (1) DE2550188A1 (en)
FR (1) FR2290813A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586875A1 (en) * 1985-09-02 1987-03-06 Leray Jacques Home system for altitude and frequency customised one-way logical communications using cylindrical ultrasonic transducers
FR2665814A1 (en) * 1990-08-10 1992-02-14 Thomson Csf ELECTROACOUSTIC TRANSDUCER FOR IMMERSION AND COMPRISING A SYSTEM FOR AUTOMATIC COMPENSATION OF IMMERSION PRESSURE

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742492C3 (en) * 1977-03-24 1984-07-19 Kohji Yokosuka Kanagawa Toda Ultrasonic transducer
JPS5969592U (en) * 1982-10-29 1984-05-11 日本電気株式会社 Transducer frame structure
JPH0832112B2 (en) * 1987-02-04 1996-03-27 斉藤 長男 Ultrasonic vibrator support structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2586875A1 (en) * 1985-09-02 1987-03-06 Leray Jacques Home system for altitude and frequency customised one-way logical communications using cylindrical ultrasonic transducers
FR2665814A1 (en) * 1990-08-10 1992-02-14 Thomson Csf ELECTROACOUSTIC TRANSDUCER FOR IMMERSION AND COMPRISING A SYSTEM FOR AUTOMATIC COMPENSATION OF IMMERSION PRESSURE
EP0473480A1 (en) * 1990-08-10 1992-03-04 Thomson-Csf Electroacoustic transducer for use under water and comprising a system for automatically compensating the hydrostatic pressure

Also Published As

Publication number Publication date
DE2550188A1 (en) 1976-05-13
JPS5170630A (en) 1976-06-18
BR7507374A (en) 1976-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse