GB9012171D0 - An acoustic transducer - Google Patents

An acoustic transducer

Info

Publication number
GB9012171D0
GB9012171D0 GB909012171A GB9012171A GB9012171D0 GB 9012171 D0 GB9012171 D0 GB 9012171D0 GB 909012171 A GB909012171 A GB 909012171A GB 9012171 A GB9012171 A GB 9012171A GB 9012171 D0 GB9012171 D0 GB 9012171D0
Authority
GB
United Kingdom
Prior art keywords
acoustic transducer
acoustic
transducer
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Withdrawn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
GB909012171A
Other versions
GB2232323A (en
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.)
UDI GROUP Ltd
Original Assignee
UDI GROUP 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 UDI GROUP Ltd filed Critical UDI GROUP Ltd
Publication of GB9012171D0 publication Critical patent/GB9012171D0/en
Publication of GB2232323A publication Critical patent/GB2232323A/en
Withdrawn legal-status Critical Current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
    • B06B1/0607—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 multiple elements
    • B06B1/0622—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 multiple elements on one surface
    • B06B1/0629—Square array
GB9012171A 1989-06-02 1990-05-31 Acoustic transducer Withdrawn GB2232323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898912782A GB8912782D0 (en) 1989-06-02 1989-06-02 An acoustic transducer

Publications (2)

Publication Number Publication Date
GB9012171D0 true GB9012171D0 (en) 1990-07-18
GB2232323A GB2232323A (en) 1990-12-05

Family

ID=10657817

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898912782A Pending GB8912782D0 (en) 1989-06-02 1989-06-02 An acoustic transducer
GB9012171A Withdrawn GB2232323A (en) 1989-06-02 1990-05-31 Acoustic transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898912782A Pending GB8912782D0 (en) 1989-06-02 1989-06-02 An acoustic transducer

Country Status (4)

Country Link
EP (1) EP0401027A3 (en)
JP (1) JPH03113999A (en)
CA (1) CA2017382A1 (en)
GB (2) GB8912782D0 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465725A (en) * 1993-06-15 1995-11-14 Hewlett Packard Company Ultrasonic probe
US5371717A (en) * 1993-06-15 1994-12-06 Hewlett-Packard Company Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers
US5553035A (en) * 1993-06-15 1996-09-03 Hewlett-Packard Company Method of forming integral transducer and impedance matching layers
US5460181A (en) * 1994-10-06 1995-10-24 Hewlett Packard Co. Ultrasonic transducer for three dimensional imaging
US5434827A (en) * 1993-06-15 1995-07-18 Hewlett-Packard Company Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers
US5423319A (en) * 1994-06-15 1995-06-13 Hewlett-Packard Company Integrated impedance matching layer to acoustic boundary problems for clinical ultrasonic transducers
JP3618406B2 (en) * 1994-06-24 2005-02-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ultrasonic diagnostic transducer array capable of height focusing.
US5546946A (en) * 1994-06-24 1996-08-20 Advanced Technology Laboratories, Inc. Ultrasonic diagnostic transducer array with elevation focus
JP4413568B2 (en) * 2003-09-19 2010-02-10 パナソニック株式会社 Ultrasonic probe
DE102006015493B4 (en) * 2006-04-03 2010-12-23 Atlas Elektronik Gmbh Electroacoustic transducer
IT1398262B1 (en) * 2010-02-23 2013-02-22 Esaote Spa ULTRASOUND PROBE.
FR2973550B1 (en) 2011-03-30 2015-12-04 Edap Tms France METHOD AND APPARATUS FOR GENERATING FOCUSED ULTRASONIC WAVE WITH SURFACE MODULATION
JP6238556B2 (en) 2013-04-25 2017-11-29 キヤノン株式会社 Subject information acquisition apparatus, control method therefor, and probe
EP2796210B1 (en) 2013-04-25 2016-11-30 Canon Kabushiki Kaisha Capacitive transducer and method of manufacturing the same
EP2796209B1 (en) 2013-04-25 2020-06-17 Canon Kabushiki Kaisha Capacitive transducer and method of manufacturing the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2006434B (en) * 1977-10-20 1982-03-03 Rca Corp Switchable depth of focus pulse-echo ultra-sonic imaging display system
GB2095951A (en) * 1981-02-19 1982-10-06 Nat Res Dev Transducers of improved resolution and systems for the transmission and reception of radiation
US4460841A (en) * 1982-02-16 1984-07-17 General Electric Company Ultrasonic transducer shading
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
US4514247A (en) * 1983-08-15 1985-04-30 North American Philips Corporation Method for fabricating composite transducers
DK212586A (en) * 1986-05-07 1987-11-08 Brueel & Kjaer As PROCEDURE FOR PREPARING AN ULTRA SOUND TRUCK

Also Published As

Publication number Publication date
JPH03113999A (en) 1991-05-15
EP0401027A3 (en) 1992-01-08
GB8912782D0 (en) 1989-07-19
CA2017382A1 (en) 1990-12-02
EP0401027A2 (en) 1990-12-05
GB2232323A (en) 1990-12-05

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)