JPS6010167A - 超音波探傷信号処理装置 - Google Patents

超音波探傷信号処理装置

Info

Publication number
JPS6010167A
JPS6010167A JP58117122A JP11712283A JPS6010167A JP S6010167 A JPS6010167 A JP S6010167A JP 58117122 A JP58117122 A JP 58117122A JP 11712283 A JP11712283 A JP 11712283A JP S6010167 A JPS6010167 A JP S6010167A
Authority
JP
Japan
Prior art keywords
signal
circuit
flaw detection
processing
defect
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.)
Granted
Application number
JP58117122A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0123730B2 (esLanguage
Inventor
Yoshio Okubo
大久保　吉雄
Hideaki Tanaka
秀秋 田中
Riyuuji Saikudou
細工藤　龍司
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP58117122A priority Critical patent/JPS6010167A/ja
Publication of JPS6010167A publication Critical patent/JPS6010167A/ja
Publication of JPH0123730B2 publication Critical patent/JPH0123730B2/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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • 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
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
    • G01N29/0627—Cathode-ray tube displays
    • 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
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • 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
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • 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)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP58117122A 1983-06-30 1983-06-30 超音波探傷信号処理装置 Granted JPS6010167A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58117122A JPS6010167A (ja) 1983-06-30 1983-06-30 超音波探傷信号処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58117122A JPS6010167A (ja) 1983-06-30 1983-06-30 超音波探傷信号処理装置

Publications (2)

Publication Number Publication Date
JPS6010167A true JPS6010167A (ja) 1985-01-19
JPH0123730B2 JPH0123730B2 (esLanguage) 1989-05-08

Family

ID=14703973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58117122A Granted JPS6010167A (ja) 1983-06-30 1983-06-30 超音波探傷信号処理装置

Country Status (1)

Country Link
JP (1) JPS6010167A (esLanguage)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61181958A (ja) * 1985-02-07 1986-08-14 Tokyo Keiki Co Ltd 探傷器用リジエクシヨン回路
JPH02110365A (ja) * 1988-10-20 1990-04-23 Hitachi Constr Mach Co Ltd 超音波探傷器のゲート回路
JPH02116746A (ja) * 1988-10-27 1990-05-01 Hitachi Constr Mach Co Ltd 超音波探傷器のゲート回路
JPH02206759A (ja) * 1989-02-06 1990-08-16 Tokyo Electric Power Co Inc:The 超音波探傷装置
US4986566A (en) * 1988-07-29 1991-01-22 Suzuki Jidosha Kogyo Kabushiki Kaisha Suspending apparatus for vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61181958A (ja) * 1985-02-07 1986-08-14 Tokyo Keiki Co Ltd 探傷器用リジエクシヨン回路
US4986566A (en) * 1988-07-29 1991-01-22 Suzuki Jidosha Kogyo Kabushiki Kaisha Suspending apparatus for vehicles
JPH02110365A (ja) * 1988-10-20 1990-04-23 Hitachi Constr Mach Co Ltd 超音波探傷器のゲート回路
JPH02116746A (ja) * 1988-10-27 1990-05-01 Hitachi Constr Mach Co Ltd 超音波探傷器のゲート回路
JPH02206759A (ja) * 1989-02-06 1990-08-16 Tokyo Electric Power Co Inc:The 超音波探傷装置

Also Published As

Publication number Publication date
JPH0123730B2 (esLanguage) 1989-05-08

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