JPH0546220B2 - - Google Patents

Info

Publication number
JPH0546220B2
JPH0546220B2 JP60103075A JP10307585A JPH0546220B2 JP H0546220 B2 JPH0546220 B2 JP H0546220B2 JP 60103075 A JP60103075 A JP 60103075A JP 10307585 A JP10307585 A JP 10307585A JP H0546220 B2 JPH0546220 B2 JP H0546220B2
Authority
JP
Japan
Prior art keywords
delay
ultrasonic
characteristic
delay means
center
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 - Lifetime
Application number
JP60103075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61260161A (ja
Inventor
Takeshi Kakizawa
Shinichi Sano
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.)
GE Healthcare Japan Corp
Original Assignee
Yokogawa Medical Systems Ltd
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 Yokogawa Medical Systems Ltd filed Critical Yokogawa Medical Systems Ltd
Priority to JP60103075A priority Critical patent/JPS61260161A/ja
Priority to PCT/JP1986/000248 priority patent/WO1986006838A1/ja
Priority to EP19860903551 priority patent/EP0229840A4/en
Publication of JPS61260161A publication Critical patent/JPS61260161A/ja
Publication of JPH0546220B2 publication Critical patent/JPH0546220B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP60103075A 1985-05-15 1985-05-15 超音波診断装置 Granted JPS61260161A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP60103075A JPS61260161A (ja) 1985-05-15 1985-05-15 超音波診断装置
PCT/JP1986/000248 WO1986006838A1 (en) 1985-05-15 1986-05-14 Ultrasonic flaw detector
EP19860903551 EP0229840A4 (en) 1985-05-15 1986-05-14 ULTRASONIC ERROR DETECTOR.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60103075A JPS61260161A (ja) 1985-05-15 1985-05-15 超音波診断装置

Publications (2)

Publication Number Publication Date
JPS61260161A JPS61260161A (ja) 1986-11-18
JPH0546220B2 true JPH0546220B2 (en]) 1993-07-13

Family

ID=14344522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60103075A Granted JPS61260161A (ja) 1985-05-15 1985-05-15 超音波診断装置

Country Status (3)

Country Link
EP (1) EP0229840A4 (en])
JP (1) JPS61260161A (en])
WO (1) WO1986006838A1 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63502448A (ja) * 1986-02-27 1988-09-14 フセソユ−ズヌイ、ナウチノ−イスレドワ−チェルスキ−、インスチツ−ト　ポ、ストロイチェルストブ、マギストラルヌイフ、トルボプロボドフ 超音波変換器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058003A (en) * 1976-07-21 1977-11-15 The Board Of Trustees Of The Leland Stanford Junior University Ultrasonic electronic lens with reduced delay range
US4180790A (en) * 1977-12-27 1979-12-25 General Electric Company Dynamic array aperture and focus control for ultrasonic imaging systems
JPS55149889A (en) * 1979-05-11 1980-11-21 Toshiba Corp Ultrasonic wave receiver
JPS6045830B2 (ja) * 1979-05-15 1985-10-12 横河電機株式会社 フェイズド・アレイ・ソ−ナ

Also Published As

Publication number Publication date
EP0229840A4 (en) 1987-11-12
WO1986006838A1 (en) 1986-11-20
JPS61260161A (ja) 1986-11-18
EP0229840A1 (en) 1987-07-29

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