EP0480045A4 - Ultrasonic probe - Google Patents

Ultrasonic probe

Info

Publication number
EP0480045A4
EP0480045A4 EP19910906265 EP91906265A EP0480045A4 EP 0480045 A4 EP0480045 A4 EP 0480045A4 EP 19910906265 EP19910906265 EP 19910906265 EP 91906265 A EP91906265 A EP 91906265A EP 0480045 A4 EP0480045 A4 EP 0480045A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
ultrasonic
probe
ultrasonic probe
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.)
Withdrawn
Application number
EP19910906265
Other versions
EP0480045A1 (en )
Inventor
Kohetsu Saitoh
Yasushi Koishihara
Fumika Shinoda
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.)
Panasonic Corp
Original Assignee
Panasonic 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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezo-electric effect or with electrostriction
    • B06B1/0607Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezo-electric effect or with electrostriction using multiple elements
    • B06B1/0622Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezo-electric effect or with electrostriction using multiple elements on one surface
    • B06B1/0629Square array
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezo-electric effect or with electrostriction
EP19910906265 1990-03-20 1991-03-19 Ultrasonic probe Withdrawn EP0480045A4 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP7108390A JPH03270282A (en) 1990-03-20 1990-03-20 Composite piezo-electric body
JP7108590A JPH03270597A (en) 1990-03-20 1990-03-20 Ultrasonic wave probe
JP71082/90 1990-03-20
JP71085/90 1990-03-20
JP7108490A JPH03270599A (en) 1990-03-20 1990-03-20 Composite piezoelectric body
JP71083/90 1990-03-20
JP7108290A JPH03270598A (en) 1990-03-20 1990-03-20 Composite piezoelectric body
JP71084/90 1990-03-20

Publications (2)

Publication Number Publication Date
EP0480045A1 true EP0480045A1 (en) 1992-04-15
EP0480045A4 true true EP0480045A4 (en) 1993-04-14

Family

ID=27465317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910906265 Withdrawn EP0480045A4 (en) 1990-03-20 1991-03-19 Ultrasonic probe

Country Status (3)

Country Link
EP (1) EP0480045A4 (en)
CA (1) CA2054698A1 (en)
WO (1) WO1991015090A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381067A (en) * 1993-03-10 1995-01-10 Hewlett-Packard Company Electrical impedance normalization for an ultrasonic transducer array
US7287537B2 (en) * 2002-01-29 2007-10-30 Akrion Technologies, Inc. Megasonic probe energy director
JP2005027752A (en) * 2003-07-08 2005-02-03 Toshiba Corp Piezoelectric vibrator, manufacturing method of piezoelectric vibrator, ultrasonic probe, and ultrasonic diagnostic apparatus
JP5637211B2 (en) 2010-06-30 2014-12-10 日本電気株式会社 Oscillation device
JP5761192B2 (en) * 2010-07-23 2015-08-12 日本電気株式会社 Oscillation device and electronic equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142215A2 (en) * 1983-05-26 1985-05-22 Advanced Technology Laboratories, Inc. Ultrasound transducer with improved vibrational modes
EP0162515A1 (en) * 1984-05-22 1985-11-27 Laboratoires D'electronique Philips Ultrasonic transducer devices using an array of piezoelectric transducer elements

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
JPS59183098U (en) * 1983-05-24 1984-12-06
JPH069553B2 (en) * 1984-09-25 1994-02-09 株式会社日立メディコ Ultrasonic probe
JPH01120998A (en) * 1987-11-04 1989-05-12 Shimadzu Corp Ultrasonic probe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142215A2 (en) * 1983-05-26 1985-05-22 Advanced Technology Laboratories, Inc. Ultrasound transducer with improved vibrational modes
EP0162515A1 (en) * 1984-05-22 1985-11-27 Laboratoires D'electronique Philips Ultrasonic transducer devices using an array of piezoelectric transducer elements

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PROCEEDINGS IEEE 1988 ULTRASONICS SYMPOSIUM vol. 1, October 1988, CHICAGO, ILLINOIS, USA pages 627 - 630 TUAN BUI ET AL. 'A multifrequency composite ultrasonic transducer system' *
See also references of WO9115090A1 *

Also Published As

Publication number Publication date Type
WO1991015090A1 (en) 1991-10-03 application
CA2054698A1 (en) 1991-09-21 application
EP0480045A1 (en) 1992-04-15 application

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