NL8204334A - Met variabele ultrasone frequentie werkend afbeeldstelsel. - Google Patents

Met variabele ultrasone frequentie werkend afbeeldstelsel. Download PDF

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Publication number
NL8204334A
NL8204334A NL8204334A NL8204334A NL8204334A NL 8204334 A NL8204334 A NL 8204334A NL 8204334 A NL8204334 A NL 8204334A NL 8204334 A NL8204334 A NL 8204334A NL 8204334 A NL8204334 A NL 8204334A
Authority
NL
Netherlands
Prior art keywords
frequency
signals
reflected
frequency spectrum
determining
Prior art date
Application number
NL8204334A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stanford Res Inst Int
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 Stanford Res Inst Int filed Critical Stanford Res Inst Int
Publication of NL8204334A publication Critical patent/NL8204334A/nl

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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
    • G01S15/8954—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using a broad-band spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
NL8204334A 1982-03-09 1982-11-09 Met variabele ultrasone frequentie werkend afbeeldstelsel. NL8204334A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/356,498 US4442713A (en) 1982-03-09 1982-03-09 Frequency varied ultrasonic imaging array
US35649882 1982-03-09

Publications (1)

Publication Number Publication Date
NL8204334A true NL8204334A (nl) 1983-10-03

Family

ID=23401691

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8204334A NL8204334A (nl) 1982-03-09 1982-11-09 Met variabele ultrasone frequentie werkend afbeeldstelsel.

Country Status (8)

Country Link
US (1) US4442713A (it)
JP (1) JPS58157455A (it)
CA (1) CA1189946A (it)
DE (1) DE3234916A1 (it)
FR (1) FR2523326A1 (it)
GB (1) GB2117905B (it)
IT (1) IT1170317B (it)
NL (1) NL8204334A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599555A (ja) * 1982-07-08 1984-01-18 Toshiba Corp 超音波探傷装置
US4534221A (en) * 1982-09-27 1985-08-13 Technicare Corporation Ultrasonic diagnostic imaging systems for varying depths of field
DE3315259A1 (de) * 1983-04-27 1984-10-31 Siemens AG, 1000 Berlin und 8000 München Ultraschallkamera
US4505156A (en) * 1983-06-21 1985-03-19 Sound Products Company L.P. Method and apparatus for switching multi-element transducer arrays
DE3481087D1 (de) * 1984-01-30 1990-02-22 Kontron Instr Holding Sender-empfaenger-vorrichtung fuer ein ultraschall-bildgeraet.
JPS60158840A (ja) * 1984-01-31 1985-08-20 株式会社東芝 超音波診断装置
US4574635A (en) * 1984-11-02 1986-03-11 North American Philips Corporation Monitoring of frequency shift of ultrasound pulses in tissue
US4763661A (en) * 1986-02-11 1988-08-16 Stanford University Filtered ultrasonic wave method and apparatus for detecting diseased tissue
JPH02500464A (ja) * 1987-06-11 1990-02-15 オーストラリア国 超音波ビーム補償のための方法と装置
FR2623292B1 (fr) * 1987-11-13 1990-03-02 Thomson Csf Procede de localisation par ecoute audiophonique, notamment pour sonar
US4862892A (en) * 1988-07-18 1989-09-05 Sri International Ultrasonic reflex transmission imaging method and apparatus with artifact removal
JP2972229B2 (ja) * 1989-07-14 1999-11-08 株式会社日立製作所 距離測定装置
US5301674A (en) * 1992-03-27 1994-04-12 Diasonics, Inc. Method and apparatus for focusing transmission and reception of ultrasonic beams
US5379642A (en) * 1993-07-19 1995-01-10 Diasonics Ultrasound, Inc. Method and apparatus for performing imaging
JP3462351B2 (ja) * 1996-08-30 2003-11-05 テルモ株式会社 超音波診断装置
US7112173B1 (en) * 1998-03-03 2006-09-26 Sunlight Medical Ltd. Determination of acoustic velocity in bone
US6088298A (en) * 1998-08-21 2000-07-11 The United States Of America As Represented By The Secretary Of The Navy Modifying the operational center frequency of an array
US7007539B2 (en) * 2003-04-28 2006-03-07 Sonora Medical Systems, Inc. Apparatus and methods for interfacing acoustic testing apparatus with acoustic probes and systems
US7654958B2 (en) * 2004-04-20 2010-02-02 St. Jude Medical, Atrial Fibrillation Division, Inc. Method and apparatus for ultrasound imaging with autofrequency selection
US7713210B2 (en) * 2004-11-23 2010-05-11 St. Jude Medical, Atrial Fibrillation Division, Inc. Method and apparatus for localizing an ultrasound catheter
EP2748630B1 (en) 2011-11-10 2015-05-20 Koninklijke Philips N.V. Improving large volume three-dimensional ultrasound imaging
WO2018223294A1 (zh) * 2017-06-06 2018-12-13 深圳迈瑞生物医疗电子股份有限公司 一种在超声扫描中成像的方法、装置及系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824531A (en) * 1973-01-15 1974-07-16 Raytheon Co Plural beam steering system
US3815409A (en) * 1973-02-15 1974-06-11 A Macovski Focused sonic imaging system
CA1201197A (en) * 1975-09-15 1986-02-25 Commonwealth Of Australia (The) Variable focus transducer
US4016750B1 (en) * 1975-11-06 1994-04-05 Stanford Research Inst Ultrasonic imaging method and apparatus
DE2643918C3 (de) * 1976-09-29 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Gerät zur Ultraschallabtastung
GB2006434B (en) * 1977-10-20 1982-03-03 Rca Corp Switchable depth of focus pulse-echo ultra-sonic imaging display system
FR2429436A1 (fr) * 1978-06-20 1980-01-18 Anvar Perfectionnements aux procedes et dispositifs de tomographie transverse ultrasonore par reconstruction
JPS5584157A (en) * 1978-12-18 1980-06-25 Picker Corp Automatic aperture control for ultrasonic wave
US4241611A (en) * 1979-03-02 1980-12-30 Smith Kline Instruments, Inc. Ultrasonic diagnostic transducer assembly and system
US4276779A (en) * 1979-03-29 1981-07-07 Raytheon Company Dynamically focussed array
US4307613A (en) * 1979-06-14 1981-12-29 University Of Connecticut Electronically focused ultrasonic transmitter
US4290310A (en) * 1979-07-09 1981-09-22 Varian Associates, Inc. Ultrasonic imaging system using digital control
JPS5615734A (en) * 1979-07-20 1981-02-16 Tokyo Shibaura Electric Co Ultrasonic diagnosing device
US4319489A (en) * 1980-03-28 1982-03-16 Yokogawa Electric Works, Ltd. Ultrasonic diagnostic method and apparatus

Also Published As

Publication number Publication date
JPS58157455A (ja) 1983-09-19
IT1170317B (it) 1987-06-03
GB2117905A (en) 1983-10-19
FR2523326A1 (fr) 1983-09-16
GB8306459D0 (en) 1983-04-13
US4442713A (en) 1984-04-17
DE3234916A1 (de) 1983-09-22
CA1189946A (en) 1985-07-02
GB2117905B (en) 1985-10-09
IT8347860A0 (it) 1983-03-07

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed