[go: up one dir, main page]

AU539636B2 - Ultrasonic transducer - Google Patents

Ultrasonic transducer

Info

Publication number
AU539636B2
AU539636B2 AU61780/80A AU6178080A AU539636B2 AU 539636 B2 AU539636 B2 AU 539636B2 AU 61780/80 A AU61780/80 A AU 61780/80A AU 6178080 A AU6178080 A AU 6178080A AU 539636 B2 AU539636 B2 AU 539636B2
Authority
AU
Australia
Prior art keywords
ultrasonic transducer
transducer
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
AU61780/80A
Other versions
AU6178080A (en
Inventor
Hiroshi Kamata
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of AU6178080A publication Critical patent/AU6178080A/en
Application granted granted Critical
Publication of AU539636B2 publication Critical patent/AU539636B2/en
Anticipated expiration legal-status Critical
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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AU61780/80A 1979-09-07 1980-08-27 Ultrasonic transducer Expired AU539636B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP54123122 1979-09-07
JP12312279A JPS5920234B2 (en) 1979-09-27 1979-09-27 Ultrasonic transducer

Publications (2)

Publication Number Publication Date
AU6178080A AU6178080A (en) 1981-03-12
AU539636B2 true AU539636B2 (en) 1984-10-11

Family

ID=14852723

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61780/80A Expired AU539636B2 (en) 1979-09-07 1980-08-27 Ultrasonic transducer

Country Status (4)

Country Link
JP (1) JPS5920234B2 (en)
AU (1) AU539636B2 (en)
FR (1) FR2469852A1 (en)
GB (1) GB2063007A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58191788U (en) * 1982-06-14 1983-12-20 古野電気株式会社 Ultrasonic transducer for underwater detection
US4679179A (en) * 1982-06-15 1987-07-07 Raychem Corporation Sonar detection apparatus
EP0113594B1 (en) * 1982-12-30 1991-03-13 Fujitsu Limited Ultrasonic diagnostic apparatus using an electro-sound transducer
DE3301848C2 (en) * 1983-01-20 1984-11-08 Siemens AG, 1000 Berlin und 8000 München Ultrasonic transducer
DE3437862A1 (en) * 1983-10-17 1985-05-23 Hitachi Medical Corp., Tokio/Tokyo ULTRASONIC TRANSDUCER AND METHOD FOR THE PRODUCTION THEREOF
US4759000A (en) * 1985-06-13 1988-07-19 Reitz Ronald P Acoustic energy absorbing material
US4754440A (en) * 1985-12-27 1988-06-28 Aisin Seiki Kabushikikaisha Ultrasonic transducer
DE3817996A1 (en) * 1988-05-27 1989-12-07 Hoffmann Medizinische Technik METHOD FOR THE PRODUCTION OF SHOCK SHAFT AND A SUITABLE SHOCK SHAFT GENERATOR
FR2640842B1 (en) * 1988-12-20 1991-07-26 Thomson Csf DIRECTIONAL MODULAR LINEAR HYDROPHONIC ANTENNA
US4982385A (en) * 1989-11-17 1991-01-01 Westinghouse Electric Corp. Acoustic decoupler for a sonar array
US5436874A (en) * 1993-11-17 1995-07-25 Martin Marietta Corporation Method and apparatus for sensing acoustic signals in a liquid
US8570837B2 (en) 2007-12-06 2013-10-29 Measurement Specialties, Inc. Multilayer backing absorber for ultrasonic transducer
CN104226576A (en) * 2013-06-18 2014-12-24 柯宜京 Back lining structural system for thickness mode vibration ultrasonic transducer
CN105015415A (en) * 2015-07-29 2015-11-04 奇瑞汽车股份有限公司 Anti-collision braking system for automobile parking
CN106037803B (en) * 2016-06-27 2023-09-01 中国科学院苏州生物医学工程技术研究所 Ultrasonic transducer array, ultrasonic interventional therapy system and ultrasonic ablation catheter
EP4335558A1 (en) * 2022-09-08 2024-03-13 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Acoustic device and method of manufacturing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434143A (en) * 1943-04-17 1948-01-06 Chilowsky Constantin Supersonic signal transmitter and receiver
US3480906A (en) * 1968-03-13 1969-11-25 Westinghouse Electric Corp Transducer having a backing mass spaced a quarter wavelength therefrom
US3601789A (en) * 1969-10-08 1971-08-24 Us Navy Deep-submergence acoustic array stave
JPS5318893B2 (en) * 1971-12-03 1978-06-17
US3854060A (en) * 1973-10-12 1974-12-10 Us Navy Transducer for fm sonar application
US3995179A (en) * 1974-12-30 1976-11-30 Texaco Inc. Damping structure for ultrasonic piezoelectric transducer

Also Published As

Publication number Publication date
JPS5920234B2 (en) 1984-05-11
FR2469852A1 (en) 1981-05-22
AU6178080A (en) 1981-03-12
GB2063007A (en) 1981-05-28
FR2469852B1 (en) 1985-03-01
JPS5647196A (en) 1981-04-28

Similar Documents

Publication Publication Date Title
AU530471B2 (en) Ultrasonic transducer
AU531209B2 (en) Acoustic transducer
AU543500B2 (en) Piezoelectric transducer
AU529113B2 (en) Ultrasonic transducer array
AU572795B2 (en) Ultrasonic transducer
AU547016B2 (en) Transducer element
GB2032223B (en) Ultrasonic transducer
GB2060884B (en) Ultrasonics transducer
DE3068357D1 (en) Ultrasonic transducer element
AU531193B2 (en) Pressure transducer
AU524112B2 (en) Electro-acoustic transducer
AU544464B2 (en) Ultrasonic transducer
AU523895B2 (en) Ultrasonic echoscope
AU539636B2 (en) Ultrasonic transducer
AU5637080A (en) Electro-acoustic transducer element
AU540983B2 (en) Electro-acoustic transducers
AU5261379A (en) Transducer horn arrangement
AU532535B2 (en) Transducer backplate
AU5484080A (en) Electro-mechanical transducer
AU7085381A (en) Ultrasonic transducer
HK76087A (en) Electro-acoustic transducers
AU4892979A (en) Electro-acoustic transducer
GB2048613B (en) Sonic transducer
AU4893079A (en) Electro-acoustic transducer
AU519908B2 (en) Polyfilar transducer

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired