FR2373056B2 - - Google Patents

Info

Publication number
FR2373056B2
FR2373056B2 FR7636527A FR7636527A FR2373056B2 FR 2373056 B2 FR2373056 B2 FR 2373056B2 FR 7636527 A FR7636527 A FR 7636527A FR 7636527 A FR7636527 A FR 7636527A FR 2373056 B2 FR2373056 B2 FR 2373056B2
Authority
FR
France
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
FR7636527A
Other versions
FR2373056A2 (fr
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
Priority claimed from FR7537929A external-priority patent/FR2334953A1/fr
Application filed by Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR7636527A priority Critical patent/FR2373056A2/fr
Publication of FR2373056A2 publication Critical patent/FR2373056A2/fr
Application granted granted Critical
Publication of FR2373056B2 publication Critical patent/FR2373056B2/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
    • G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
    • 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
    • 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
    • G10K11/34—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)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FR7636527A 1975-12-11 1976-12-03 Systeme d'analyse par ultrasons et son application a l'echographie Granted FR2373056A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7636527A FR2373056A2 (fr) 1975-12-11 1976-12-03 Systeme d'analyse par ultrasons et son application a l'echographie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7537929A FR2334953A1 (fr) 1975-12-11 1975-12-11 Systeme d'analyse par ultrasons et son application a l'echographie
FR7636527A FR2373056A2 (fr) 1975-12-11 1976-12-03 Systeme d'analyse par ultrasons et son application a l'echographie

Publications (2)

Publication Number Publication Date
FR2373056A2 FR2373056A2 (fr) 1978-06-30
FR2373056B2 true FR2373056B2 (fr) 1980-12-05

Family

ID=26219190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7636527A Granted FR2373056A2 (fr) 1975-12-11 1976-12-03 Systeme d'analyse par ultrasons et son application a l'echographie

Country Status (1)

Country Link
FR (1) FR2373056A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145931A (en) * 1978-01-03 1979-03-27 Raytheon Company Fresnel focussed imaging system
FR2570838B1 (fr) * 1984-09-25 1986-11-21 Labo Electronique Physique Appareil d'examen de milieux par echographie ultrasonore avec focalisation angulaire
FR2596156B1 (fr) * 1986-03-21 1989-07-28 Labo Electronique Physique Echographe ultrasonore en materiau electrostrictif en reseaux de fresnel approches
JPH02217000A (ja) * 1989-02-16 1990-08-29 Hitachi Ltd 超音波探触子

Also Published As

Publication number Publication date
FR2373056A2 (fr) 1978-06-30

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Legal Events

Date Code Title Description
DR Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse