FR1315170A - New reflector support for acoustic antenna - Google Patents

New reflector support for acoustic antenna

Info

Publication number
FR1315170A
FR1315170A FR881230A FR881230A FR1315170A FR 1315170 A FR1315170 A FR 1315170A FR 881230 A FR881230 A FR 881230A FR 881230 A FR881230 A FR 881230A FR 1315170 A FR1315170 A FR 1315170A
Authority
FR
France
Prior art keywords
reflector support
acoustic antenna
new reflector
new
acoustic
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
Application number
FR881230A
Other languages
French (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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR881230A priority Critical patent/FR1315170A/en
Priority to GB4617862A priority patent/GB1025891A/en
Application granted granted Critical
Publication of FR1315170A publication Critical patent/FR1315170A/en
Expired 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
    • B06B1/0644—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
    • B06B1/0662—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 with an electrode on the sensitive surface
    • B06B1/0674—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 with an electrode on the sensitive surface and a low impedance backing, e.g. air
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
FR881230A 1961-12-07 1961-12-07 New reflector support for acoustic antenna Expired FR1315170A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR881230A FR1315170A (en) 1961-12-07 1961-12-07 New reflector support for acoustic antenna
GB4617862A GB1025891A (en) 1961-12-07 1962-12-06 Acoustic wave radiators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881230A FR1315170A (en) 1961-12-07 1961-12-07 New reflector support for acoustic antenna

Publications (1)

Publication Number Publication Date
FR1315170A true FR1315170A (en) 1963-01-18

Family

ID=8768239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881230A Expired FR1315170A (en) 1961-12-07 1961-12-07 New reflector support for acoustic antenna

Country Status (2)

Country Link
FR (1) FR1315170A (en)
GB (1) GB1025891A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489966A1 (en) * 1980-09-10 1982-03-12 Plessey Overseas SONAR WITH CONSTANT THICK REFLECTOR
FR2685528A1 (en) * 1991-12-20 1993-06-25 Thomson Csf Acoustic absorption device, especially for low frequency, capable of being submerged

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110580896A (en) * 2019-08-29 2019-12-17 罗家骏 Underwater vacuum corner reflector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2489966A1 (en) * 1980-09-10 1982-03-12 Plessey Overseas SONAR WITH CONSTANT THICK REFLECTOR
FR2685528A1 (en) * 1991-12-20 1993-06-25 Thomson Csf Acoustic absorption device, especially for low frequency, capable of being submerged

Also Published As

Publication number Publication date
GB1025891A (en) 1966-04-14

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