FR2600774B1 - DEVICE FOR A LINEAR BAR OF PIEZOELECTRIC TRANSDUCERS FOR AN ULTRASONIC ECHOGRAPH WITH IMPROVED LATERAL RESOLUTION - Google Patents

DEVICE FOR A LINEAR BAR OF PIEZOELECTRIC TRANSDUCERS FOR AN ULTRASONIC ECHOGRAPH WITH IMPROVED LATERAL RESOLUTION

Info

Publication number
FR2600774B1
FR2600774B1 FR8609366A FR8609366A FR2600774B1 FR 2600774 B1 FR2600774 B1 FR 2600774B1 FR 8609366 A FR8609366 A FR 8609366A FR 8609366 A FR8609366 A FR 8609366A FR 2600774 B1 FR2600774 B1 FR 2600774B1
Authority
FR
France
Prior art keywords
piezoelectric transducers
lateral resolution
linear bar
improved lateral
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
FR8609366A
Other languages
French (fr)
Other versions
FR2600774A1 (en
Inventor
Patrick Pesque
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 FR8609366A priority Critical patent/FR2600774B1/en
Publication of FR2600774A1 publication Critical patent/FR2600774A1/en
Application granted granted Critical
Publication of FR2600774B1 publication Critical patent/FR2600774B1/en
Expired 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
    • G01S15/8918—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
    • G10K11/34—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

  • 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR8609366A 1986-06-27 1986-06-27 DEVICE FOR A LINEAR BAR OF PIEZOELECTRIC TRANSDUCERS FOR AN ULTRASONIC ECHOGRAPH WITH IMPROVED LATERAL RESOLUTION Expired FR2600774B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8609366A FR2600774B1 (en) 1986-06-27 1986-06-27 DEVICE FOR A LINEAR BAR OF PIEZOELECTRIC TRANSDUCERS FOR AN ULTRASONIC ECHOGRAPH WITH IMPROVED LATERAL RESOLUTION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8609366A FR2600774B1 (en) 1986-06-27 1986-06-27 DEVICE FOR A LINEAR BAR OF PIEZOELECTRIC TRANSDUCERS FOR AN ULTRASONIC ECHOGRAPH WITH IMPROVED LATERAL RESOLUTION

Publications (2)

Publication Number Publication Date
FR2600774A1 FR2600774A1 (en) 1987-12-31
FR2600774B1 true FR2600774B1 (en) 1989-05-26

Family

ID=9336808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8609366A Expired FR2600774B1 (en) 1986-06-27 1986-06-27 DEVICE FOR A LINEAR BAR OF PIEZOELECTRIC TRANSDUCERS FOR AN ULTRASONIC ECHOGRAPH WITH IMPROVED LATERAL RESOLUTION

Country Status (1)

Country Link
FR (1) FR2600774B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692999A1 (en) * 1992-06-26 1993-12-31 Thomson Csf Echography probe for medical use - Has normal and zoom modes of operation using micro detectors and parallel transducers connected to channel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241608A (en) * 1978-01-24 1980-12-30 Unirad Corporation Ultrasonic scanner
US4180792A (en) * 1978-03-09 1979-12-25 General Electric Company Transmit-receive transducer array and ultrasonic imaging system
JPS5584157A (en) * 1978-12-18 1980-06-25 Picker Corp Automatic aperture control for ultrasonic wave
EP0017382A1 (en) * 1979-03-20 1980-10-15 THE GENERAL ELECTRIC COMPANY, p.l.c. Ultrasonic imaging system

Also Published As

Publication number Publication date
FR2600774A1 (en) 1987-12-31

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Legal Events

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