JPS5470675A - Ultrasonic pulse echo converter - Google Patents

Ultrasonic pulse echo converter

Info

Publication number
JPS5470675A
JPS5470675A JP12903978A JP12903978A JPS5470675A JP S5470675 A JPS5470675 A JP S5470675A JP 12903978 A JP12903978 A JP 12903978A JP 12903978 A JP12903978 A JP 12903978A JP S5470675 A JPS5470675 A JP S5470675A
Authority
JP
Japan
Prior art keywords
ultrasonic pulse
pulse echo
converter
echo converter
ultrasonic
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.)
Pending
Application number
JP12903978A
Other languages
English (en)
Japanese (ja)
Inventor
Haaman Rafuaeru Bir Deibitsudo
Sooru Metsuritsuchi Rooben
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.)
RCA Corp
Original Assignee
RCA Corp
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 US05/844,141 external-priority patent/US4168628A/en
Priority claimed from US05/844,140 external-priority patent/US4138895A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of JPS5470675A publication Critical patent/JPS5470675A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • G01H3/125—Amplitude; Power by electric means for representing acoustic field distribution
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP12903978A 1977-10-20 1978-10-18 Ultrasonic pulse echo converter Pending JPS5470675A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/844,141 US4168628A (en) 1977-10-20 1977-10-20 Pulse-echo ultrasonic-imaging display system having time-varied effective aperture
US05/844,140 US4138895A (en) 1977-10-20 1977-10-20 Switchable depth of focus pulse-echo ultrasonic-imaging display system

Publications (1)

Publication Number Publication Date
JPS5470675A true JPS5470675A (en) 1979-06-06

Family

ID=27126479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12903978A Pending JPS5470675A (en) 1977-10-20 1978-10-18 Ultrasonic pulse echo converter

Country Status (4)

Country Link
JP (1) JPS5470675A (enrdf_load_stackoverflow)
DE (1) DE2845791A1 (enrdf_load_stackoverflow)
FR (1) FR2406833A1 (enrdf_load_stackoverflow)
GB (1) GB2006434B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242911A (en) * 1979-02-01 1981-01-06 Mediscan, Inc. Ultrasonic medical diagnostic apparatus and method
DE3003317C2 (de) * 1980-01-30 1984-08-23 Siemens AG, 1000 Berlin und 8000 München Schaltung zum wechselweisen Aussenden und Empfangen mit ein und demselben Schallwandler
US4442713A (en) * 1982-03-09 1984-04-17 Sri International Frequency varied ultrasonic imaging array
FR2579886A1 (en) * 1985-04-05 1986-10-10 Edap Ultrasound echography apparatus allowing the display of the blood flow in a vessel
JPS6336172A (ja) * 1986-07-29 1988-02-16 Toshiba Corp 超音波カプラ
DE3833234C2 (de) * 1988-09-30 1995-03-16 Wolfgang Kessler Verfahren zum Kalibrieren oder Prüfen eines piezokeramischen Wandlers
JPH02234600A (ja) * 1989-03-07 1990-09-17 Mitsubishi Mining & Cement Co Ltd 圧電変換素子
GB8912782D0 (en) * 1989-06-02 1989-07-19 Udi Group Ltd An acoustic transducer

Also Published As

Publication number Publication date
DE2845791A1 (de) 1979-04-26
FR2406833A1 (fr) 1979-05-18
GB2006434A (en) 1979-05-02
GB2006434B (en) 1982-03-03
DE2845791B2 (enrdf_load_stackoverflow) 1979-10-18

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