FR2596156B1 - ULTRASONIC ECHOGRAPH IN ELECTROSTRICTIVE MATERIAL IN APPROACHED FRESNEL NETWORKS - Google Patents

ULTRASONIC ECHOGRAPH IN ELECTROSTRICTIVE MATERIAL IN APPROACHED FRESNEL NETWORKS

Info

Publication number
FR2596156B1
FR2596156B1 FR8604081A FR8604081A FR2596156B1 FR 2596156 B1 FR2596156 B1 FR 2596156B1 FR 8604081 A FR8604081 A FR 8604081A FR 8604081 A FR8604081 A FR 8604081A FR 2596156 B1 FR2596156 B1 FR 2596156B1
Authority
FR
France
Prior art keywords
fresnel
approached
networks
electrostrictive material
ultrasonic echograph
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
Application number
FR8604081A
Other languages
French (fr)
Other versions
FR2596156A1 (en
Inventor
Roger Henri Coursant
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.)
Laboratoires dElectronique Philips SAS
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
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 Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR8604081A priority Critical patent/FR2596156B1/en
Publication of FR2596156A1 publication Critical patent/FR2596156A1/en
Application granted granted Critical
Publication of FR2596156B1 publication Critical patent/FR2596156B1/en
Expired 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
    • G10K11/345—Circuits therefor using energy switching from one active element to another
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
FR8604081A 1986-03-21 1986-03-21 ULTRASONIC ECHOGRAPH IN ELECTROSTRICTIVE MATERIAL IN APPROACHED FRESNEL NETWORKS Expired FR2596156B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8604081A FR2596156B1 (en) 1986-03-21 1986-03-21 ULTRASONIC ECHOGRAPH IN ELECTROSTRICTIVE MATERIAL IN APPROACHED FRESNEL NETWORKS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8604081A FR2596156B1 (en) 1986-03-21 1986-03-21 ULTRASONIC ECHOGRAPH IN ELECTROSTRICTIVE MATERIAL IN APPROACHED FRESNEL NETWORKS

Publications (2)

Publication Number Publication Date
FR2596156A1 FR2596156A1 (en) 1987-09-25
FR2596156B1 true FR2596156B1 (en) 1989-07-28

Family

ID=9333385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8604081A Expired FR2596156B1 (en) 1986-03-21 1986-03-21 ULTRASONIC ECHOGRAPH IN ELECTROSTRICTIVE MATERIAL IN APPROACHED FRESNEL NETWORKS

Country Status (1)

Country Link
FR (1) FR2596156B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318878A (en) 1996-10-31 1998-05-06 Sharp Kk Reflective liquid crystal device
US6890301B2 (en) * 2002-03-05 2005-05-10 Koninklijke Philips Electronics Nv Diagnostic ultrasonic imaging system having combined scanhead connections

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355288A2 (en) * 1974-11-28 1978-01-13 Anvar IMPROVEMENTS IN ULTRA-SOUND SURVEYING METHODS AND DEVICES
FR2373056A2 (en) * 1975-12-11 1978-06-30 Labo Electronique Physique Transducer operational selection for ultrasonic analysis - utilises shift registers presenting three state logic signal to select columns and rows
US4129799A (en) * 1975-12-24 1978-12-12 Sri International Phase reversal ultrasonic zone plate transducer
US4320660A (en) * 1978-01-03 1982-03-23 Raytheon Company Fresnel focussed imaging system
US4395652A (en) * 1979-09-13 1983-07-26 Toray Industries, Inc. Ultrasonic transducer element
FR2570838B1 (en) * 1984-09-25 1986-11-21 Labo Electronique Physique APPARATUS FOR EXAMINING MEDIA BY ULTRASONIC ECHOGRAPHY WITH ANGULAR FOCUSING

Also Published As

Publication number Publication date
FR2596156A1 (en) 1987-09-25

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse