FR2580079A1 - Ultrasonic echographic device incorporating a probe with adjustable focal length and means of obtaining a large depth of field with a high resolving power - Google Patents

Ultrasonic echographic device incorporating a probe with adjustable focal length and means of obtaining a large depth of field with a high resolving power Download PDF

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Publication number
FR2580079A1
FR2580079A1 FR8505222A FR8505222A FR2580079A1 FR 2580079 A1 FR2580079 A1 FR 2580079A1 FR 8505222 A FR8505222 A FR 8505222A FR 8505222 A FR8505222 A FR 8505222A FR 2580079 A1 FR2580079 A1 FR 2580079A1
Authority
FR
France
Prior art keywords
probe
curvature
voltage
focal length
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.)
Granted
Application number
FR8505222A
Other languages
English (en)
French (fr)
Other versions
FR2580079B1 (enrdf_load_stackoverflow
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.)
EDAP SA
Original Assignee
EDAP SA
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 EDAP SA filed Critical EDAP SA
Priority to FR8505222A priority Critical patent/FR2580079A1/fr
Publication of FR2580079A1 publication Critical patent/FR2580079A1/fr
Application granted granted Critical
Publication of FR2580079B1 publication Critical patent/FR2580079B1/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
    • G01S15/8922—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being concentric or annular
    • 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
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • 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

  • 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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR8505222A 1985-04-05 1985-04-05 Ultrasonic echographic device incorporating a probe with adjustable focal length and means of obtaining a large depth of field with a high resolving power Granted FR2580079A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8505222A FR2580079A1 (en) 1985-04-05 1985-04-05 Ultrasonic echographic device incorporating a probe with adjustable focal length and means of obtaining a large depth of field with a high resolving power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8505222A FR2580079A1 (en) 1985-04-05 1985-04-05 Ultrasonic echographic device incorporating a probe with adjustable focal length and means of obtaining a large depth of field with a high resolving power

Publications (2)

Publication Number Publication Date
FR2580079A1 true FR2580079A1 (en) 1986-10-10
FR2580079B1 FR2580079B1 (enrdf_load_stackoverflow) 1987-05-29

Family

ID=9318000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8505222A Granted FR2580079A1 (en) 1985-04-05 1985-04-05 Ultrasonic echographic device incorporating a probe with adjustable focal length and means of obtaining a large depth of field with a high resolving power

Country Status (1)

Country Link
FR (1) FR2580079A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130150725A1 (en) * 2011-12-13 2013-06-13 Samsung Electronics Co., Ltd. Probe for ultrasonic diagnostic apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU179076A1 (ru) * В. Г. Щербинский Пьезоискатель для ультразвуковой дефектоскопии
US3168659A (en) * 1960-01-11 1965-02-02 Gen Motors Corp Variable focus transducer
FR2369768A1 (fr) * 1976-11-01 1978-05-26 Stanford Research Inst Transducteur ultrasonore a distance focale variable
US4241611A (en) * 1979-03-02 1980-12-30 Smith Kline Instruments, Inc. Ultrasonic diagnostic transducer assembly and system
US4276491A (en) * 1979-10-02 1981-06-30 Ausonics Pty. Limited Focusing piezoelectric ultrasonic medical diagnostic system
EP0036353A1 (fr) * 1980-03-07 1981-09-23 Cgr Ultrasonic Sonde d'échographie ultrasonore à lentille acoustique, et échographe comportant une telle sonde

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU179076A1 (ru) * В. Г. Щербинский Пьезоискатель для ультразвуковой дефектоскопии
US3168659A (en) * 1960-01-11 1965-02-02 Gen Motors Corp Variable focus transducer
FR2369768A1 (fr) * 1976-11-01 1978-05-26 Stanford Research Inst Transducteur ultrasonore a distance focale variable
US4241611A (en) * 1979-03-02 1980-12-30 Smith Kline Instruments, Inc. Ultrasonic diagnostic transducer assembly and system
US4276491A (en) * 1979-10-02 1981-06-30 Ausonics Pty. Limited Focusing piezoelectric ultrasonic medical diagnostic system
EP0036353A1 (fr) * 1980-03-07 1981-09-23 Cgr Ultrasonic Sonde d'échographie ultrasonore à lentille acoustique, et échographe comportant une telle sonde

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130150725A1 (en) * 2011-12-13 2013-06-13 Samsung Electronics Co., Ltd. Probe for ultrasonic diagnostic apparatus
US9808220B2 (en) * 2011-12-13 2017-11-07 Samsung Electronics Co., Ltd. Probe for ultrasonic diagnostic apparatus

Also Published As

Publication number Publication date
FR2580079B1 (enrdf_load_stackoverflow) 1987-05-29

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