CA1201197A - Transducteur a foyer variable - Google Patents
Transducteur a foyer variableInfo
- Publication number
- CA1201197A CA1201197A CA000260604A CA260604A CA1201197A CA 1201197 A CA1201197 A CA 1201197A CA 000260604 A CA000260604 A CA 000260604A CA 260604 A CA260604 A CA 260604A CA 1201197 A CA1201197 A CA 1201197A
- Authority
- CA
- Canada
- Prior art keywords
- transducer
- array
- focus
- elements
- varying
- 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.)
- Expired
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
- G10K11/346—Circuits therefor using phase variation
-
- 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
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
-
- 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
- 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
-
- 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
- G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Multimedia (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Biomedical Technology (AREA)
- Remote Sensing (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Radar, Positioning & Navigation (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPC315175 | 1975-09-15 | ||
AUPC3151 | 1975-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1201197A true CA1201197A (fr) | 1986-02-25 |
Family
ID=3766362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000260604A Expired CA1201197A (fr) | 1975-09-15 | 1976-09-07 | Transducteur a foyer variable |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5256781A (fr) |
AT (1) | AT378115B (fr) |
CA (1) | CA1201197A (fr) |
DE (1) | DE2641265A1 (fr) |
FR (1) | FR2324004A1 (fr) |
GB (1) | GB1514050A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1554349A (en) * | 1976-11-01 | 1979-10-17 | Stanford Res Inst Int | Variable focus ultrasonic transducer means |
JPS58333B2 (ja) * | 1977-08-22 | 1983-01-06 | アロカ株式会社 | 超音波診断装置 |
JPS595298B2 (ja) * | 1977-09-02 | 1984-02-03 | 株式会社日立メディコ | 超音波撮像装置 |
WO1979000373A1 (fr) * | 1977-12-12 | 1979-06-28 | Rca Corp | Assemblage de lentilles a distance focale acoustique variable |
US4155258A (en) * | 1978-05-24 | 1979-05-22 | General Electric Company | Ultrasonic imaging system |
US4155259A (en) * | 1978-05-24 | 1979-05-22 | General Electric Company | Ultrasonic imaging system |
US4241610A (en) * | 1979-02-05 | 1980-12-30 | Varian Associates, Inc. | Ultrasonic imaging system utilizing dynamic and pseudo-dynamic focusing |
JPS5672857A (en) * | 1979-11-16 | 1981-06-17 | Matsushita Electric Ind Co Ltd | Method of scanning ultrasonic diagnosing device |
JPS58133240A (ja) * | 1982-02-01 | 1983-08-08 | 株式会社東芝 | 超音波診断装置 |
US4442713A (en) * | 1982-03-09 | 1984-04-17 | Sri International | Frequency varied ultrasonic imaging array |
FR2592720B1 (fr) * | 1986-01-03 | 1988-08-05 | Peugeot & Renault | Appareil d'examen de milieux par echographie ultrasonore |
JPH01153145A (ja) * | 1987-12-11 | 1989-06-15 | Toshiba Corp | アニュラアレイ超音波探触子 |
JPH02159266A (ja) * | 1988-12-14 | 1990-06-19 | Matsushita Electric Ind Co Ltd | 超音波探触子 |
FR2773459B1 (fr) * | 1998-01-12 | 2000-04-14 | Centre Nat Rech Scient | Procede d'exploration et de visualisation de tissus d'origine humaine ou animale a partir d'une sonde ultrasonore a haute frequence |
CN104359980B (zh) * | 2014-11-24 | 2017-01-04 | 清华大学 | 一种锯齿形柱状超声相控阵换能器 |
JP7145799B2 (ja) | 2019-03-19 | 2022-10-03 | 株式会社東芝 | 超音波検査装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR876822A (fr) * | 1940-11-18 | 1942-11-18 | Atlas Werke Ag | Dispositif pour la production de champs sonores convergents |
GB941573A (en) * | 1959-11-06 | 1963-11-13 | Kelvin & Hughes Ltd | Improvements in flaw detection and like systems using pulsed sonic or ultrasonic waves |
DE2202989A1 (de) * | 1972-01-21 | 1973-07-26 | Siemens Ag | Fokussierter ultraschallwandler |
AU483477B2 (en) * | 1972-06-08 | 1977-05-18 | Commonwealth Of Australia, The | Wide aperture ultrasonic array |
DE2345155B2 (de) * | 1973-09-07 | 1975-09-25 | Krautkraemer Gmbh, 5000 Koeln | Gruppenweise umgetastete, aus zellenförmig und/oder hierzu senkrechten, streifenförmig angeordneten einzelnen Schwingerelementen bestehendes Ultraschall-Prüfkopfsystem zur zerstörungsfreien Werkstoffprüfung |
-
1976
- 1976-09-07 CA CA000260604A patent/CA1201197A/fr not_active Expired
- 1976-09-13 GB GB37754/76A patent/GB1514050A/en not_active Expired
- 1976-09-14 DE DE19762641265 patent/DE2641265A1/de not_active Withdrawn
- 1976-09-14 AT AT0679076A patent/AT378115B/de not_active IP Right Cessation
- 1976-09-15 FR FR7627680A patent/FR2324004A1/fr active Granted
- 1976-09-16 JP JP51110017A patent/JPS5256781A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6148947B2 (fr) | 1986-10-27 |
JPS5256781A (en) | 1977-05-10 |
GB1514050A (en) | 1978-06-14 |
DE2641265A1 (de) | 1977-03-17 |
FR2324004B1 (fr) | 1982-01-08 |
AT378115B (de) | 1985-06-25 |
FR2324004A1 (fr) | 1977-04-08 |
ATA679076A (de) | 1984-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |