FR2413667A1 - Dispositif de formation d'image a focalisation de fresnel - Google Patents
Dispositif de formation d'image a focalisation de fresnelInfo
- 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
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.
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)
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)
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 |
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 |
US4381675A (en) * | 1980-11-06 | 1983-05-03 | 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 |
WO2005032351A2 (fr) * | 2003-10-03 | 2005-04-14 | Sensant Corporation | 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 |
CN108027436A (zh) | 2015-09-08 | 2018-05-11 | 达尔豪斯大学 | 结合相位阵列与使用延迟校正的菲涅尔子孔径的菲涅尔波带片波束成形的系统和方法 |
EP3475727B1 (fr) * | 2016-06-23 | 2021-11-03 | Koninklijke Philips N.V. | Imagerie ultrasonore à foyer synthétique rapide avec de grands réseaux linéaires |
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)
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)
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 |
-
1978
- 1978-01-03 US US05/866,325 patent/US4145931A/en not_active Expired - Lifetime
- 1978-12-04 CA CA000317320A patent/CA1116742A/fr not_active Expired
- 1978-12-13 GB GB7848275A patent/GB2011620B/en not_active Expired
- 1978-12-28 JP JP16448578A patent/JPS54102078A/ja active Granted
-
1979
- 1979-01-03 DE DE19792900129 patent/DE2900129A1/de active Granted
- 1979-01-03 FR FR7900125A patent/FR2413667A1/fr active Granted
Patent Citations (7)
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)
Title |
---|
EXBK/77 * |
Cited By (3)
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 |
---|---|
CA1116742A (fr) | 1982-01-19 |
DE2900129C2 (fr) | 1990-03-15 |
JPS54102078A (en) | 1979-08-11 |
FR2413667B1 (fr) | 1984-12-28 |
US4145931A (en) | 1979-03-27 |
GB2011620B (en) | 1982-06-30 |
GB2011620A (en) | 1979-07-11 |
JPS6132015B2 (fr) | 1986-07-24 |
DE2900129A1 (de) | 1979-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |