JPH058781B2 - - Google Patents

Info

Publication number
JPH058781B2
JPH058781B2 JP59145168A JP14516884A JPH058781B2 JP H058781 B2 JPH058781 B2 JP H058781B2 JP 59145168 A JP59145168 A JP 59145168A JP 14516884 A JP14516884 A JP 14516884A JP H058781 B2 JPH058781 B2 JP H058781B2
Authority
JP
Japan
Prior art keywords
value
attenuator
attenuation
decibel value
decibel
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
JP59145168A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6123967A (ja
Inventor
Nobuaki Umitachi
Takashi Fujii
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP14516884A priority Critical patent/JPS6123967A/ja
Publication of JPS6123967A publication Critical patent/JPS6123967A/ja
Publication of JPH058781B2 publication Critical patent/JPH058781B2/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

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)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP14516884A 1984-07-11 1984-07-11 超音波探傷装置 Granted JPS6123967A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14516884A JPS6123967A (ja) 1984-07-11 1984-07-11 超音波探傷装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14516884A JPS6123967A (ja) 1984-07-11 1984-07-11 超音波探傷装置

Publications (2)

Publication Number Publication Date
JPS6123967A JPS6123967A (ja) 1986-02-01
JPH058781B2 true JPH058781B2 (enrdf_load_stackoverflow) 1993-02-03

Family

ID=15379000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14516884A Granted JPS6123967A (ja) 1984-07-11 1984-07-11 超音波探傷装置

Country Status (1)

Country Link
JP (1) JPS6123967A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5554436A (en) * 1978-10-16 1980-04-21 Mitsubishi Electric Corp Ultrasonic inspector
DE2939617C2 (de) * 1979-09-29 1986-02-06 Edotronik Gesellschaft für Elektronik-Systeme mbH & Co Optoelektronik KG, 8000 München Vorrichtung zur schnellen und verzerrungsfreien Umwandlung der von einem Detektor erzeugten analogen Ultraschallprüfsignale in digitale Signale

Also Published As

Publication number Publication date
JPS6123967A (ja) 1986-02-01

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