FR2342612B1 - - Google Patents

Info

Publication number
FR2342612B1
FR2342612B1 FR7605468A FR7605468A FR2342612B1 FR 2342612 B1 FR2342612 B1 FR 2342612B1 FR 7605468 A FR7605468 A FR 7605468A FR 7605468 A FR7605468 A FR 7605468A FR 2342612 B1 FR2342612 B1 FR 2342612B1
Authority
FR
France
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
Application number
FR7605468A
Other languages
French (fr)
Other versions
FR2342612A1 (fr
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7605468A priority Critical patent/FR2342612A1/fr
Priority to GB818577A priority patent/GB1537948A/en
Priority to DE19772708396 priority patent/DE2708396A1/de
Publication of FR2342612A1 publication Critical patent/FR2342612A1/fr
Application granted granted Critical
Publication of FR2342612B1 publication Critical patent/FR2342612B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/20—Reflecting arrangements
    • G10K11/205—Reflecting arrangements for underwater use
    • 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
    • B06B1/0622—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 on one surface
    • B06B1/0633—Cylindrical array

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR7605468A 1976-02-27 1976-02-27 Antennes acoustiques a reflecteur a large bande passante Granted FR2342612A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7605468A FR2342612A1 (fr) 1976-02-27 1976-02-27 Antennes acoustiques a reflecteur a large bande passante
GB818577A GB1537948A (en) 1976-02-27 1977-02-25 Acoustic antennae for underwater use
DE19772708396 DE2708396A1 (de) 1976-02-27 1977-02-26 Schallantenne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605468A FR2342612A1 (fr) 1976-02-27 1976-02-27 Antennes acoustiques a reflecteur a large bande passante

Publications (2)

Publication Number Publication Date
FR2342612A1 FR2342612A1 (fr) 1977-09-23
FR2342612B1 true FR2342612B1 (ro) 1978-10-27

Family

ID=9169662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605468A Granted FR2342612A1 (fr) 1976-02-27 1976-02-27 Antennes acoustiques a reflecteur a large bande passante

Country Status (3)

Country Link
DE (1) DE2708396A1 (ro)
FR (1) FR2342612A1 (ro)
GB (1) GB1537948A (ro)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204217B (en) * 1987-05-02 1990-05-23 Gec Avionics Acoustic reflector
KR0180057B1 (ko) * 1996-07-08 1999-04-01 이민화 초음파시스템의 3차원 영상 획득장치
DE102004038032A1 (de) * 2004-08-05 2006-02-23 Atlas Elektronik Gmbh Elektroakustische Wandleranordnung für Unterwasserantennen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500304A (en) * 1968-10-15 1970-03-10 Wyle Laboratories Underwater transducer
CA988196A (en) * 1972-09-12 1976-04-27 Commonwealth Of Australia (The) Cross array ultrasonic transducer
US3992693A (en) * 1972-12-04 1976-11-16 The Bendix Corporation Underwater transducer and projector therefor

Also Published As

Publication number Publication date
GB1537948A (en) 1979-01-10
DE2708396A1 (de) 1977-09-08
FR2342612A1 (fr) 1977-09-23
DE2708396C2 (ro) 1987-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse