DE3568885D1 - Echographic transducer using an oscillating piezoelectric disc on which a deformable membrane forming a lens is mounted - Google Patents

Echographic transducer using an oscillating piezoelectric disc on which a deformable membrane forming a lens is mounted

Info

Publication number
DE3568885D1
DE3568885D1 DE8585400328T DE3568885T DE3568885D1 DE 3568885 D1 DE3568885 D1 DE 3568885D1 DE 8585400328 T DE8585400328 T DE 8585400328T DE 3568885 T DE3568885 T DE 3568885T DE 3568885 D1 DE3568885 D1 DE 3568885D1
Authority
DE
Germany
Prior art keywords
echographic
transducer
lens
deformable membrane
membrane forming
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
DE8585400328T
Other languages
German (de)
English (en)
Inventor
Jacques Dory
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.)
EDAP International SA
Original Assignee
EDAP International 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 EDAP International SA filed Critical EDAP International SA
Application granted granted Critical
Publication of DE3568885D1 publication Critical patent/DE3568885D1/de
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
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer
    • G10K11/355—Arcuate movement
    • 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
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE8585400328T 1984-04-04 1985-02-22 Echographic transducer using an oscillating piezoelectric disc on which a deformable membrane forming a lens is mounted Expired DE3568885D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8405296A FR2562747B1 (fr) 1984-04-04 1984-04-04 Sonde d'echograhie a disque piezoelectrique oscillant solidaire d'une membrane deformable formant lentille de focalisation

Publications (1)

Publication Number Publication Date
DE3568885D1 true DE3568885D1 (en) 1989-04-20

Family

ID=9302828

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585400328T Expired DE3568885D1 (en) 1984-04-04 1985-02-22 Echographic transducer using an oscillating piezoelectric disc on which a deformable membrane forming a lens is mounted

Country Status (5)

Country Link
EP (1) EP0160580B1 (pt)
JP (1) JPS6141441A (pt)
BR (1) BR8501219A (pt)
DE (1) DE3568885D1 (pt)
FR (1) FR2562747B1 (pt)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477723A1 (fr) * 1980-03-07 1981-09-11 Cgr Ultrasonic Sonde d'echographie ultrasonore a lentille acoustique et echographe comportant une telle sonde
JPS5943172B2 (ja) * 1980-06-30 1984-10-20 アロカ株式会社 超音波探触子
FR2487664A1 (fr) * 1980-07-29 1982-02-05 Dory Jacques Sonde d'echographie a balayage sectoriel comportant deux liquides de couplage
EP0045265B1 (fr) * 1980-07-29 1986-10-08 Jacques Dory Sonde d'échographie à balayage sectoriel mécanique
WO1982004157A1 (fr) * 1981-05-23 1982-11-25 Lierke Ernst Guenter Installation pour emettre et recevoir des ondes ultrasonores focalisees

Also Published As

Publication number Publication date
EP0160580A1 (fr) 1985-11-06
FR2562747B1 (fr) 1987-09-11
EP0160580B1 (fr) 1989-03-15
FR2562747A1 (fr) 1985-10-11
JPS6141441A (ja) 1986-02-27
BR8501219A (pt) 1985-11-12

Similar Documents

Publication Publication Date Title
GB8501262D0 (en) Piezoelectric ultrasonic transducer
DE3478141D1 (en) Piezoelectric resonator force transducer
AU2409184A (en) Piezoelectric scanning for ultrasonic transducer
GB9006801D0 (en) Piezoelectric transducer
GB2104345B (en) An electroacoustic transducer of the piezoelectric polymer type
AU6755587A (en) Vibrating beam force transducer
AU6536090A (en) Piezoelectric cylindrical transducer for producing or detecting asymmetrical vibrations
AU6755287A (en) Vibrating beam transducer
IL80566A0 (en) Vibrating beam force transducer
EP0176786A3 (en) Transducer for a surface acoustic wave arrangement
GB2213023B (en) Two-dimensional piezoelectric transducer assembly
FR2565033B1 (fr) Dispositif de transduction ultrasonore a reseau d'elements transducteurs piezoelectriques
EP0420125A3 (en) Electroacoustic piezoelectric transducer having a broad operating range
EP0436809A3 (en) Ultrasonic transducer using piezoelectric elements
AU7307887A (en) Piezoelectric transducer
DE3568885D1 (en) Echographic transducer using an oscillating piezoelectric disc on which a deformable membrane forming a lens is mounted
GB2096860B (en) Piezoelectric sound transducer
GB2114296B (en) A ultrasonic transducer array
EP0181757A3 (en) Diaphragm pressure transducers
GB8921990D0 (en) Piezoelectric transducer
GB2212616B (en) Piezo-electric transducers
GB2153627B (en) Piezoelectric electroacoustic transducer
AU5049885A (en) Variflux vibration transducer
AU7482287A (en) Piezoelectric transducers
IT8621536A1 (it) Diaframma per un trasduttore elettromeccanico

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee