FR2413667A1 - Dispositif de formation d'image a focalisation de fresnel - Google Patents

Dispositif de formation d'image a focalisation de fresnel

Info

Publication number
FR2413667A1
FR2413667A1 FR7900125A FR7900125A FR2413667A1 FR 2413667 A1 FR2413667 A1 FR 2413667A1 FR 7900125 A FR7900125 A FR 7900125A FR 7900125 A FR7900125 A FR 7900125A FR 2413667 A1 FR2413667 A1 FR 2413667A1
Authority
FR
France
Prior art keywords
fresnel
training device
focused image
image training
transducers
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.)
Granted
Application number
FR7900125A
Other languages
English (en)
Other versions
FR2413667B1 (fr
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of FR2413667A1 publication Critical patent/FR2413667A1/fr
Application granted granted Critical
Publication of FR2413667B1 publication Critical patent/FR2413667B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8927—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array using simultaneously or sequentially two or more subarrays or subapertures
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
    • 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
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8918—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear
    • 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
    • G10K11/345—Circuits therefor using energy switching from one active element to another

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

L'INVENTION CONCERNE UN DISPOSITIF DE FORMATION D'IMAGE A FOCALISATION DE FRESNEL. LES SIGNAUX RECUS PAR DES TRANSDUCTEURS SONT APPLIQUES A DES CIRCUITS QUI PONDERENT PAR DES FACTEURS 1, -1 OU 0. LES FACTEURS DE PONDERATION SONT FONCTIONS DES POSITIONS DES TRANSDUCTEURS ET SE PRESENTENT SOUS LA FORME DE DISTRIBUTIONS DE FRESNEL COSINUSOIDALE ET SINUSOIDALE. LES SIGNAUX PONDERES DE CHAQUE DISTRIBUTION SONT ADDITIONNES POUR OBTENIR UN DIAGRAMME DE RAYONNEMENT QUI CONVERGE VERS UN POINT FOCAL, TOUT EN ELIMINANT LE FAISCEAU DIVERGENT. L'INVENTION S'APPLIQUE NOTAMMENT A L'EXAMEN DE REGIONS INTERIEURES DU CORPS PAR LES ULTRASONS.
FR7900125A 1978-01-03 1979-01-03 Dispositif de formation d'image a focalisation de fresnel Granted FR2413667A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/866,325 US4145931A (en) 1978-01-03 1978-01-03 Fresnel focussed imaging system

Publications (2)

Publication Number Publication Date
FR2413667A1 true FR2413667A1 (fr) 1979-07-27
FR2413667B1 FR2413667B1 (fr) 1984-12-28

Family

ID=25347367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7900125A Granted FR2413667A1 (fr) 1978-01-03 1979-01-03 Dispositif de formation d'image a focalisation de fresnel

Country Status (6)

Country Link
US (1) US4145931A (fr)
JP (1) JPS54102078A (fr)
CA (1) CA1116742A (fr)
DE (1) DE2900129A1 (fr)
FR (1) FR2413667A1 (fr)
GB (1) GB2011620B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019267A1 (fr) * 1979-05-16 1980-11-26 Toray Industries, Inc. Transducteur piézoélectrique de vibrations
FR2467413A1 (fr) * 1979-10-15 1981-04-17 Philips Nv Procede et dispositif pour proceder a des examens a l'aide de faisceaux d'ultrasons
FR2554341A1 (fr) * 1983-11-03 1985-05-10 Rabelais Universite Francois Dispositif combine pour former une image tomographique et pour etablir une mesure velocimetrique doppler, au moyen d'ultrasons, notamment pour des examens cardiovasculaires

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586132B2 (ja) * 1978-04-25 1983-02-03 株式会社東芝 超音波探触子
JPS56121541A (en) * 1980-02-28 1981-09-24 Tokyo Shibaura Electric Co Ultrasonic imaging apparatus
JPS56136537A (en) * 1980-03-29 1981-10-24 Tokyo Shibaura Electric Co Ultrasonic diagnosis apparatus
US4442715A (en) * 1980-10-23 1984-04-17 General Electric Company Variable frequency ultrasonic system
US4381675A (en) * 1980-11-06 1983-05-03 Bion Corporation Ultrasound visualization systems
US4507968A (en) * 1980-11-06 1985-04-02 Bion Corporation Ultrasound visualization systems
US4499771A (en) * 1980-11-06 1985-02-19 Bion Corporation Ultrasound visualization systems
JPS57122854A (en) * 1981-01-26 1982-07-30 Aloka Co Ltd Ultrasonic diagnostic apparatus
JPS57203434A (en) * 1981-06-08 1982-12-13 Tokyo Shibaura Electric Co Ultrasonic diagnostic apparatus
US4453409A (en) * 1981-08-07 1984-06-12 General Electric Company Ultrasonic sector scanner utilizing rotating transducer
JPS5829455A (ja) * 1981-08-18 1983-02-21 株式会社東芝 超音波診断装置
JPS58132677A (ja) * 1982-02-03 1983-08-08 Hitachi Medical Corp 超音波撮像装置
JPS58139109U (ja) * 1982-03-15 1983-09-19 オリンパス光学工業株式会社 体腔内超音波診断装置
JPS58139112U (ja) * 1982-03-15 1983-09-19 オリンパス光学工業株式会社 体腔内超音波診断装置
US4550606A (en) * 1982-09-28 1985-11-05 Cornell Research Foundation, Inc. Ultrasonic transducer array with controlled excitation pattern
FR2545238B1 (fr) * 1983-04-29 1985-07-05 Commissariat Energie Atomique Procede et dispositif d'holographie acoustique utilisant un faisceau ultrasonore limite dans l'espace
FR2570838B1 (fr) * 1984-09-25 1986-11-21 Labo Electronique Physique Appareil d'examen de milieux par echographie ultrasonore avec focalisation angulaire
JPS61135641A (ja) * 1984-12-04 1986-06-23 株式会社日立メデイコ 並列受波型超音波装置
US4750144A (en) * 1985-12-31 1988-06-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Real time pipelined system for forming the sum of products in the processing of video data
US5062429A (en) * 1989-12-15 1991-11-05 General Electric Company Ultrasound imaging system probe with alternate transducer polling for common-mode noise rejection
US5081995A (en) * 1990-01-29 1992-01-21 Mayo Foundation For Medical Education And Research Ultrasonic nondiffracting transducer
US5161537A (en) * 1990-03-26 1992-11-10 Matsushita Electric Industrial Co., Ltd. Ultrasonic diagnostic system
JP3015481B2 (ja) * 1990-03-28 2000-03-06 株式会社東芝 超音波プローブ・システム
US5410205A (en) * 1993-02-11 1995-04-25 Hewlett-Packard Company Ultrasonic transducer having two or more resonance frequencies
DE19758577B4 (de) * 1997-03-17 2006-06-14 Fujitsu Ltd., Kawasaki Wellenempfangsvorrichtung
JP3763924B2 (ja) 1997-03-17 2006-04-05 フクダ電子株式会社 超音波診断装置
US6773399B2 (en) * 2001-10-20 2004-08-10 Zonare Medical Systems, Inc. Block-switching in ultrasound imaging
US7635332B2 (en) * 2003-02-14 2009-12-22 Siemens Medical Solutions Usa, Inc. System and method of operating microfabricated ultrasonic transducers for harmonic imaging
US7780597B2 (en) * 2003-02-14 2010-08-24 Siemens Medical Solutions Usa, Inc. Method and apparatus for improving the performance of capacitive acoustic transducers using bias polarity control and multiple firings
US7618373B2 (en) * 2003-02-14 2009-11-17 Siemens Medical Solutions Usa, Inc. Microfabricated ultrasonic transducer array for 3-D imaging and method of operating the same
EP1686900B1 (fr) * 2003-10-03 2013-03-27 Siemens Medical Solutions USA, Inc. Reseau de transducteurs ultrasoniques microfabriques destines a l'imagerie 3 d et procede de fonctionnement correspondant
US20070079658A1 (en) * 2005-09-23 2007-04-12 Siemens Medical Solutions Usa, Inc. Rotating aperture for ultrasound imaging with a capacitive membrane or electrostrictive ultrasound transducer
US10996332B2 (en) 2015-09-08 2021-05-04 Dalhousie University Systems and methods of combined phased-array and Fresnel zone plate beamforming employing delay-corrected Fresnel sub-apertures
CN109416400B (zh) * 2016-06-23 2023-04-28 皇家飞利浦有限公司 具有大线性阵列的快速合成聚焦超声成像
JP2022068431A (ja) * 2020-10-22 2022-05-10 富士フイルムヘルスケア株式会社 超音波探触子

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219598A1 (fr) * 1973-02-23 1974-09-20 Thomson Csf
FR2243435A1 (fr) * 1973-09-07 1975-04-04 Krautkraemer Gmbh
NL7706693A (nl) * 1974-11-28 1977-12-20 Anvar Ultrasonor onderzoekapparaat.
FR2373056A2 (fr) * 1975-12-11 1978-06-30 Labo Electronique Physique Systeme d'analyse par ultrasons et son application a l'echographie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504368A (en) * 1966-10-03 1970-03-31 Sylvania Electric Prod Fresnel zone beam scanning array
US3805596A (en) * 1972-02-24 1974-04-23 C Klahr High resolution ultrasonic imaging scanner
JPS565536B2 (fr) * 1973-05-21 1981-02-05
FR2292978A1 (fr) * 1974-11-28 1976-06-25 Anvar Perfectionnements aux dispositifs de sondage par ultra-sons
US4080838A (en) * 1975-11-12 1978-03-28 Hitachi Medical Corporation Method and apparatus for controlling ultrasonic waves

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219598A1 (fr) * 1973-02-23 1974-09-20 Thomson Csf
FR2243435A1 (fr) * 1973-09-07 1975-04-04 Krautkraemer Gmbh
US3911730A (en) * 1973-09-07 1975-10-14 Krautkramer Branson Ultrasonic transducer probe system
NL7706693A (nl) * 1974-11-28 1977-12-20 Anvar Ultrasonor onderzoekapparaat.
FR2355288A2 (fr) * 1974-11-28 1978-01-13 Anvar Perfectionnements aux procedes et dispositifs de sondage par ultra-sons
US4117446A (en) * 1974-11-28 1978-09-26 Agence Nationale De Valorisation De La Recherche (A N V A R) Devices for probing by ultrasonic radiation
FR2373056A2 (fr) * 1975-12-11 1978-06-30 Labo Electronique Physique Systeme d'analyse par ultrasons et son application a l'echographie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/77 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019267A1 (fr) * 1979-05-16 1980-11-26 Toray Industries, Inc. Transducteur piézoélectrique de vibrations
FR2467413A1 (fr) * 1979-10-15 1981-04-17 Philips Nv Procede et dispositif pour proceder a des examens a l'aide de faisceaux d'ultrasons
FR2554341A1 (fr) * 1983-11-03 1985-05-10 Rabelais Universite Francois Dispositif combine pour former une image tomographique et pour etablir une mesure velocimetrique doppler, au moyen d'ultrasons, notamment pour des examens cardiovasculaires

Also Published As

Publication number Publication date
DE2900129C2 (fr) 1990-03-15
FR2413667B1 (fr) 1984-12-28
GB2011620B (en) 1982-06-30
DE2900129A1 (de) 1979-08-23
CA1116742A (fr) 1982-01-19
US4145931A (en) 1979-03-27
GB2011620A (en) 1979-07-11
JPS6132015B2 (fr) 1986-07-24
JPS54102078A (en) 1979-08-11

Similar Documents

Publication Publication Date Title
FR2413667A1 (fr) Dispositif de formation d'image a focalisation de fresnel
FR2415925A1 (fr) Dispositif de formation de faisceau
FR2413669A1 (fr) Systeme d'imagerie ultrasonore a commande dynamique de focalisation et d'ouverture
FR2426912A1 (fr) Systeme d'imagerie par ultrasons utilisant un reseau de transducteurs annulaires
ATE163232T1 (de) Ultraschallabbildung mit radialer abtastung eines trapezförmigen sektors
EP0199218A3 (fr) Système de mesure de la réfraction à l'aide de potentiels évoqués
FR2431236A1 (fr) Appareil de formation d'image de rayonnement, applicable notamment a la tomographie par calculateur
ATE131020T1 (de) Verfahren und vorrichtung für die akustische abtastung mit variablem ursprung und variablem winkel.
FR2412856A1 (fr) Dispositif de formation d'image de rayonnement
FR2437625A1 (fr) Appareil de mesure de la vitesse de courants de liquide
DE2707883A1 (de) Verfahren zur erzeugung fokussierter schallwellen durch laserimpulse
FR2399175A1 (fr) Dispositif de detection de la reception de signaux multifrequence
FR2387552A1 (fr) Circuit pour engendrer un signal periodique en forme de parabole
DE69029553D1 (de) Multifunktionssteuerung eines Kunstgliedes durch syntaktische Analyse dynamischer myoelektrischer Signalmuster in Verbindung mit dem Auftreten der Muskelkontraktion
FR2424545A1 (fr) Radar de marine comportant une unite anticollision
FR2404958A1 (fr) Convertisseur numerique analogique a traitement selectif
FR2387463A1 (fr) Objectif grand-angulaire pour l'examen visuel et photographique du fond de l'oeil
FR2470983A1 (fr) Dispositif pour reconstruire des images stratifiees d'un objet tridimensionnel a l'aide d'un ensemble matriciel reglable d'elements de reproduction
Khanna A holographic study of tympanic membrane vibrations in cats
DK0513295T3 (da) Anordning til at indstille et fartøjs fremdriftsmiddel i forskellige vinkelpositioner
Hanstead Simplified digital synthesis of ultrasonic images
FR2363796A1 (fr) Appareil de reconstitution d'un tomogramme de la section transversale d'un objet
Croft New geologic maps of the uranian satellites Titania, Oberon, Umbriel and Miranda
Hodge et al. Validation of the Single‐Impulse Correction Factor of the CHABA Impulse‐Noise Damage‐Risk Criterion
TR25167A (tr) GÖRüNTü ISLEME TEKNIKLERINDEN YARARLANARAK,KARA CISMIN KALIBRASYONU.

Legal Events

Date Code Title Description
ST Notification of lapse