JPH0121462B2 - - Google Patents

Info

Publication number
JPH0121462B2
JPH0121462B2 JP55065109A JP6510980A JPH0121462B2 JP H0121462 B2 JPH0121462 B2 JP H0121462B2 JP 55065109 A JP55065109 A JP 55065109A JP 6510980 A JP6510980 A JP 6510980A JP H0121462 B2 JPH0121462 B2 JP H0121462B2
Authority
JP
Japan
Prior art keywords
circuit
analog switch
amplifier
ultrasonic
waveform
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
JP55065109A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56162046A (en
Inventor
Akiro Sanemori
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6510980A priority Critical patent/JPS56162046A/ja
Publication of JPS56162046A publication Critical patent/JPS56162046A/ja
Publication of JPH0121462B2 publication Critical patent/JPH0121462B2/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
    • G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
    • 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
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • 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)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP6510980A 1980-05-16 1980-05-16 Ultrasonic flaw detector Granted JPS56162046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6510980A JPS56162046A (en) 1980-05-16 1980-05-16 Ultrasonic flaw detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6510980A JPS56162046A (en) 1980-05-16 1980-05-16 Ultrasonic flaw detector

Publications (2)

Publication Number Publication Date
JPS56162046A JPS56162046A (en) 1981-12-12
JPH0121462B2 true JPH0121462B2 (pt-PT) 1989-04-21

Family

ID=13277393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6510980A Granted JPS56162046A (en) 1980-05-16 1980-05-16 Ultrasonic flaw detector

Country Status (1)

Country Link
JP (1) JPS56162046A (pt-PT)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59208457A (ja) * 1983-05-12 1984-11-26 Hitachi Ltd 超音波送受信方法とその装置
JPH01305351A (ja) * 1988-06-03 1989-12-08 Hitachi Ltd 検査装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101092A (pt-PT) * 1972-04-12 1974-09-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101092A (pt-PT) * 1972-04-12 1974-09-25

Also Published As

Publication number Publication date
JPS56162046A (en) 1981-12-12

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