FR2307277A1 - Antennes de sonar emettrices et directives de faible encombrement - Google Patents

Antennes de sonar emettrices et directives de faible encombrement

Info

Publication number
FR2307277A1
FR2307277A1 FR7511306A FR7511306A FR2307277A1 FR 2307277 A1 FR2307277 A1 FR 2307277A1 FR 7511306 A FR7511306 A FR 7511306A FR 7511306 A FR7511306 A FR 7511306A FR 2307277 A1 FR2307277 A1 FR 2307277A1
Authority
FR
France
Prior art keywords
specified direction
transmission
acoustic waves
regular array
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.)
Granted
Application number
FR7511306A
Other languages
English (en)
Other versions
FR2307277B1 (fr
Inventor
Bernard Tocquet
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 FR7511306A priority Critical patent/FR2307277A1/fr
Priority to DE19762615571 priority patent/DE2615571A1/de
Publication of FR2307277A1 publication Critical patent/FR2307277A1/fr
Application granted granted Critical
Publication of FR2307277B1 publication Critical patent/FR2307277B1/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
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
FR7511306A 1975-04-11 1975-04-11 Antennes de sonar emettrices et directives de faible encombrement Granted FR2307277A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7511306A FR2307277A1 (fr) 1975-04-11 1975-04-11 Antennes de sonar emettrices et directives de faible encombrement
DE19762615571 DE2615571A1 (de) 1975-04-11 1976-04-09 Sonarantenne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7511306A FR2307277A1 (fr) 1975-04-11 1975-04-11 Antennes de sonar emettrices et directives de faible encombrement

Publications (2)

Publication Number Publication Date
FR2307277A1 true FR2307277A1 (fr) 1976-11-05
FR2307277B1 FR2307277B1 (fr) 1978-09-01

Family

ID=9153788

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511306A Granted FR2307277A1 (fr) 1975-04-11 1975-04-11 Antennes de sonar emettrices et directives de faible encombrement

Country Status (2)

Country Link
DE (1) DE2615571A1 (fr)
FR (1) FR2307277A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150456A1 (de) * 1981-12-19 1983-06-30 Fried. Krupp Gmbh, 4300 Essen Akustische unterwasserantenne
DE3151028A1 (de) * 1981-12-23 1983-07-28 Fried. Krupp Gmbh, 4300 Essen Akustische unterwasserantenne

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2076200A5 (fr) * 1970-01-06 1971-10-15 Brandt Otto

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2076200A5 (fr) * 1970-01-06 1971-10-15 Brandt Otto

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE GB "PROCEEDINGS IEE" VOLUME 112, NO. 3, 3-1965 PAGES 497-505 ARTICLE DE D.E.N.DAVIES ET B.S.MCCARTNEY "CYLINDRICAL ARRAYS WITH ELECTRONIC BEAM SCANNING") *

Also Published As

Publication number Publication date
DE2615571A1 (de) 1976-10-21
FR2307277B1 (fr) 1978-09-01

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Legal Events

Date Code Title Description
ST Notification of lapse