DE69012165D1 - Verfahren und Vorrichtung zum Orten und Fokussieren von Wellen. - Google Patents

Verfahren und Vorrichtung zum Orten und Fokussieren von Wellen.

Info

Publication number
DE69012165D1
DE69012165D1 DE69012165T DE69012165T DE69012165D1 DE 69012165 D1 DE69012165 D1 DE 69012165D1 DE 69012165 T DE69012165 T DE 69012165T DE 69012165 T DE69012165 T DE 69012165T DE 69012165 D1 DE69012165 D1 DE 69012165D1
Authority
DE
Germany
Prior art keywords
locating
transducers
shape
time
focusing waves
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 - Lifetime
Application number
DE69012165T
Other languages
English (en)
Other versions
DE69012165T2 (de
Inventor
Mathias Fink
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.)
SOCIETE POUR LES APPLICATIONS DU RETOURNEMENT TEMP
Original Assignee
Universite Paris Diderot Paris 7
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 Universite Paris Diderot Paris 7 filed Critical Universite Paris Diderot Paris 7
Application granted granted Critical
Publication of DE69012165D1 publication Critical patent/DE69012165D1/de
Publication of DE69012165T2 publication Critical patent/DE69012165T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • 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
    • G01S7/52049—Techniques for image enhancement involving transmitter or receiver using correction of medium-induced phase aberration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02483—Other human or animal parts, e.g. bones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/106—Number of transducers one or more transducer arrays
    • 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
    • G10K2200/00—Details of methods or devices for transmitting, conducting or directing sound in general
    • G10K2200/10—Beamforming, e.g. time reversal, phase conjugation or similar
DE69012165T 1989-02-08 1990-02-06 Verfahren und Vorrichtung zum Orten und Fokussieren von Wellen. Expired - Lifetime DE69012165T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8901628A FR2642640B1 (fr) 1989-02-08 1989-02-08 Procede et dispositif de focalisation d'ultrasons dans les tissus

Publications (2)

Publication Number Publication Date
DE69012165D1 true DE69012165D1 (de) 1994-10-13
DE69012165T2 DE69012165T2 (de) 1995-03-16

Family

ID=9378593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012165T Expired - Lifetime DE69012165T2 (de) 1989-02-08 1990-02-06 Verfahren und Vorrichtung zum Orten und Fokussieren von Wellen.

Country Status (9)

Country Link
US (1) US5092336A (de)
EP (1) EP0383650B1 (de)
JP (1) JP3084033B2 (de)
AT (1) ATE111252T1 (de)
CA (1) CA2009522C (de)
DE (1) DE69012165T2 (de)
ES (1) ES2062430T3 (de)
FR (1) FR2642640B1 (de)
IL (1) IL93232A (de)

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US6120450A (en) * 1995-01-23 2000-09-19 Commonwealth Scientific And Industrial Research Organisation Phase and/or amplitude aberration correction for imaging
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Also Published As

Publication number Publication date
ATE111252T1 (de) 1994-09-15
EP0383650B1 (de) 1994-09-07
EP0383650A1 (de) 1990-08-22
IL93232A (en) 1993-03-15
DE69012165T2 (de) 1995-03-16
CA2009522A1 (en) 1990-08-08
JP3084033B2 (ja) 2000-09-04
JPH0394743A (ja) 1991-04-19
IL93232A0 (en) 1990-11-05
CA2009522C (en) 2005-04-26
ES2062430T3 (es) 1994-12-16
US5092336A (en) 1992-03-03
FR2642640A1 (fr) 1990-08-10
FR2642640B1 (fr) 1991-05-10

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Owner name: SOCIETE POUR LES APPLICATIONS DU RETOURNEMENT TEMP