JPH0550705B2 - - Google Patents

Info

Publication number
JPH0550705B2
JPH0550705B2 JP59221605A JP22160584A JPH0550705B2 JP H0550705 B2 JPH0550705 B2 JP H0550705B2 JP 59221605 A JP59221605 A JP 59221605A JP 22160584 A JP22160584 A JP 22160584A JP H0550705 B2 JPH0550705 B2 JP H0550705B2
Authority
JP
Japan
Prior art keywords
gain control
control signal
transducers
scanning
sensitivity
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
JP59221605A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6199862A (ja
Inventor
Kazuyoshi Irioka
Masahiko Kaneko
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59221605A priority Critical patent/JPS6199862A/ja
Publication of JPS6199862A publication Critical patent/JPS6199862A/ja
Publication of JPH0550705B2 publication Critical patent/JPH0550705B2/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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • 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
    • G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
JP59221605A 1984-10-22 1984-10-22 超音波診断装置 Granted JPS6199862A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59221605A JPS6199862A (ja) 1984-10-22 1984-10-22 超音波診断装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59221605A JPS6199862A (ja) 1984-10-22 1984-10-22 超音波診断装置

Publications (2)

Publication Number Publication Date
JPS6199862A JPS6199862A (ja) 1986-05-17
JPH0550705B2 true JPH0550705B2 (en]) 1993-07-29

Family

ID=16769375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59221605A Granted JPS6199862A (ja) 1984-10-22 1984-10-22 超音波診断装置

Country Status (1)

Country Link
JP (1) JPS6199862A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5448030B2 (ja) * 2008-11-19 2014-03-19 新日鐵住金株式会社 超音波探傷方法及び装置
WO2010058784A1 (ja) * 2008-11-19 2010-05-27 住友金属工業株式会社 溶接部の超音波探傷方法及び装置
JP5409138B2 (ja) 2009-06-19 2014-02-05 キヤノン株式会社 電気機械変換装置、電気機械変換装置の感度ばらつき検出方法、及び補正方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131057A (en) * 1981-02-06 1982-08-13 Toshiba Corp Ultrasonic flaw detection equipment
JPS5843412U (ja) * 1981-09-16 1983-03-23 株式会社　日立メディコ 超音波送受波制御装置
JPS593351A (ja) * 1982-06-30 1984-01-10 Hitachi Ltd 超音波探傷装置感度補正方法

Also Published As

Publication number Publication date
JPS6199862A (ja) 1986-05-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term