FR2546703B1 - NEW ULTRASONIC TRANSDUCER STRUCTURE - Google Patents

NEW ULTRASONIC TRANSDUCER STRUCTURE

Info

Publication number
FR2546703B1
FR2546703B1 FR8308785A FR8308785A FR2546703B1 FR 2546703 B1 FR2546703 B1 FR 2546703B1 FR 8308785 A FR8308785 A FR 8308785A FR 8308785 A FR8308785 A FR 8308785A FR 2546703 B1 FR2546703 B1 FR 2546703B1
Authority
FR
France
Prior art keywords
ultrasonic transducer
transducer structure
new ultrasonic
new
ultrasonic
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
FR8308785A
Other languages
French (fr)
Other versions
FR2546703A1 (en
Inventor
Roger Henri Coursant
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.)
Laboratoires dElectronique Philips SAS
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
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 Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR8308785A priority Critical patent/FR2546703B1/en
Publication of FR2546703A1 publication Critical patent/FR2546703A1/en
Application granted granted Critical
Publication of FR2546703B1 publication Critical patent/FR2546703B1/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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR8308785A 1983-05-27 1983-05-27 NEW ULTRASONIC TRANSDUCER STRUCTURE Expired FR2546703B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8308785A FR2546703B1 (en) 1983-05-27 1983-05-27 NEW ULTRASONIC TRANSDUCER STRUCTURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8308785A FR2546703B1 (en) 1983-05-27 1983-05-27 NEW ULTRASONIC TRANSDUCER STRUCTURE

Publications (2)

Publication Number Publication Date
FR2546703A1 FR2546703A1 (en) 1984-11-30
FR2546703B1 true FR2546703B1 (en) 1986-07-25

Family

ID=9289241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8308785A Expired FR2546703B1 (en) 1983-05-27 1983-05-27 NEW ULTRASONIC TRANSDUCER STRUCTURE

Country Status (1)

Country Link
FR (1) FR2546703B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704708A (en) * 1985-10-04 1987-11-03 Mobil Oil Corporation Acoustic borehole logging tool
US5162028A (en) * 1991-09-03 1992-11-10 Wilkinson William T Adjustable height and length aerobic step/bench device
US5230921A (en) * 1992-08-04 1993-07-27 Blacktoe Medical, Inc. Flexible piezo-electric membrane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR900298A (en) * 1942-09-11 1945-06-25 G E M A Ges Fu R Elektroakusti Mechanical oscillations transmission device
US2754925A (en) * 1945-06-15 1956-07-17 Burke Thomas Finley Acoustic impedance element
FR1428916A (en) * 1965-03-25 1966-02-18 Le Vnii Elektromekhaniki Electroacoustic transducer
US4383194A (en) * 1979-05-01 1983-05-10 Toray Industries, Inc. Electro-acoustic transducer element

Also Published As

Publication number Publication date
FR2546703A1 (en) 1984-11-30

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Legal Events

Date Code Title Description
ST Notification of lapse