IT1008295B - Raggruppamento di trasduttori elettroacustici particolarmente utilizzato in sistemi di rivela zione sottumarina - Google Patents

Raggruppamento di trasduttori elettroacustici particolarmente utilizzato in sistemi di rivela zione sottumarina

Info

Publication number
IT1008295B
IT1008295B IT48629/74A IT4862974A IT1008295B IT 1008295 B IT1008295 B IT 1008295B IT 48629/74 A IT48629/74 A IT 48629/74A IT 4862974 A IT4862974 A IT 4862974A IT 1008295 B IT1008295 B IT 1008295B
Authority
IT
Italy
Prior art keywords
grouping
detection systems
especially used
electroacoustic transducers
submarine detection
Prior art date
Application number
IT48629/74A
Other languages
English (en)
Original Assignee
Thomson Csf
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 filed Critical Thomson Csf
Application granted granted Critical
Publication of IT1008295B publication Critical patent/IT1008295B/it

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'
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/905—Side lobe reduction or shading

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IT48629/74A 1973-02-23 1974-02-25 Raggruppamento di trasduttori elettroacustici particolarmente utilizzato in sistemi di rivela zione sottumarina IT1008295B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7306565A FR2219598B1 (it) 1973-02-23 1973-02-23

Publications (1)

Publication Number Publication Date
IT1008295B true IT1008295B (it) 1976-11-10

Family

ID=9115338

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48629/74A IT1008295B (it) 1973-02-23 1974-02-25 Raggruppamento di trasduttori elettroacustici particolarmente utilizzato in sistemi di rivela zione sottumarina

Country Status (5)

Country Link
US (1) US3890591A (it)
JP (1) JPS5418911B2 (it)
FR (1) FR2219598B1 (it)
GB (1) GB1457297A (it)
IT (1) IT1008295B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952216A (en) * 1975-04-04 1976-04-20 The United States Of America As Represented By The Secretary Of The Navy Multiple-frequency transducer
JPS51135487A (en) * 1975-05-20 1976-11-24 Matsushita Electric Ind Co Ltd Transmitting and receiving equipment for ultrasonics
US4145931A (en) * 1978-01-03 1979-03-27 Raytheon Company Fresnel focussed imaging system
US6016821A (en) * 1996-09-24 2000-01-25 Puskas; William L. Systems and methods for ultrasonically processing delicate parts
US4592034A (en) * 1982-11-15 1986-05-27 Cornell Research Foundation, Inc. Acoustic emission source location on plate-like structures using a small array of transducers
FR2544577B1 (fr) * 1983-04-15 1987-11-20 Centre Nat Rech Scient Sonde ultrasonore a reseau de traducteurs et procede de fabrication d'une telle sonde
FR2570916B1 (fr) * 1983-06-23 1988-04-15 France Etat Armement Procede et transducteur electro-acoustique pour emettre ou recevoir des ondes acoustiques dans plusieurs bandes passantes
US4633119A (en) * 1984-07-02 1986-12-30 Gould Inc. Broadband multi-resonant longitudinal vibrator transducer
US4876675A (en) * 1987-09-12 1989-10-24 Ngk Spark Plug Co., Ltd. Towed piezoelectric cable
FR2725868B1 (fr) * 1994-10-14 1997-01-03 Thomson Csf Emetteur acoustique sous-marin pour grande immersion
FR2725684A1 (fr) * 1994-10-18 1996-04-19 Thomson Csf Bouee aeroportee largable
US20070017758A1 (en) * 2005-07-20 2007-01-25 Or Siu W Magnetorheological damper and use thereof
US7495370B1 (en) * 2006-05-04 2009-02-24 Lockheed Martin Corporation Hybrid transducer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261168A (it) * 1960-03-07
US3559162A (en) * 1969-04-14 1971-01-26 Sparton Corp Unitary directional sonar transducer
US3706925A (en) * 1971-05-25 1972-12-19 Raytheon Co Power regulating amplifier system

Also Published As

Publication number Publication date
DE2407921A1 (de) 1974-09-05
US3890591A (en) 1975-06-17
JPS49115790A (it) 1974-11-05
GB1457297A (en) 1976-12-01
JPS5418911B2 (it) 1979-07-11
DE2407921B2 (de) 1975-09-04
FR2219598B1 (it) 1978-12-01
FR2219598A1 (it) 1974-09-20

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