DE3379990D1 - Ultrasonic transducers - Google Patents

Ultrasonic transducers

Info

Publication number
DE3379990D1
DE3379990D1 DE8383304934T DE3379990T DE3379990D1 DE 3379990 D1 DE3379990 D1 DE 3379990D1 DE 8383304934 T DE8383304934 T DE 8383304934T DE 3379990 T DE3379990 T DE 3379990T DE 3379990 D1 DE3379990 D1 DE 3379990D1
Authority
DE
Germany
Prior art keywords
ultrasonic transducers
transducers
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
DE8383304934T
Other languages
German (de)
Inventor
Henry Peter Beerman
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.)
Analogic Corp
Original Assignee
Analogic Corp
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 Analogic Corp filed Critical Analogic Corp
Application granted granted Critical
Publication of DE3379990D1 publication Critical patent/DE3379990D1/en
Expired legal-status Critical Current

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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • B06B1/0692—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 with foil-type piezoelectric elements, e.g. PVDF with a continuous electrode on one side and a plurality of electrodes on the other side
    • 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
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE8383304934T 1983-08-25 1983-08-25 Ultrasonic transducers Expired DE3379990D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19830304934 EP0134346B1 (en) 1983-08-25 1983-08-25 Ultrasonic transducers

Publications (1)

Publication Number Publication Date
DE3379990D1 true DE3379990D1 (en) 1989-07-06

Family

ID=8191264

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383304934T Expired DE3379990D1 (en) 1983-08-25 1983-08-25 Ultrasonic transducers

Country Status (2)

Country Link
EP (1) EP0134346B1 (en)
DE (1) DE3379990D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570837B1 (en) * 1984-09-25 1987-11-20 Cgr Ultrasonic ULTRASOUND PROBE FOR ELECTRONIC SECTORAL SCANNING AND ECHOGRAPH INCORPORATING SUCH A PROBE
US5412854A (en) * 1993-06-18 1995-05-09 Humphrey Instruments, Inc. Method of making a high frequency focused transducer
KR20080093281A (en) * 2007-04-16 2008-10-21 주식회사 메디슨 Ultrasound diagnostic probe
KR101143645B1 (en) * 2009-07-29 2012-05-09 주세은 Transcranial low-intensity ultrasound delivery device and non-invasive modulation of brain function

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924453A (en) * 1973-05-04 1975-12-09 United States Steel Corp Ultrasonic testing of tubing employing a spiral wave generator
JPS5550438B2 (en) * 1974-11-25 1980-12-18
FR2292978A1 (en) * 1974-11-28 1976-06-25 Anvar IMPROVEMENTS TO ULTRA-SOUND SURVEYING DEVICES
DE2529112C3 (en) * 1975-06-30 1978-03-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultrasonic applicator for line-by-line ultrasound scanning of bodies
US4395652A (en) * 1979-09-13 1983-07-26 Toray Industries, Inc. Ultrasonic transducer element

Also Published As

Publication number Publication date
EP0134346B1 (en) 1989-05-31
EP0134346A1 (en) 1985-03-20

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee