JPS55166041A - Eddy current flaw detection apparatus - Google Patents

Eddy current flaw detection apparatus

Info

Publication number
JPS55166041A
JPS55166041A JP7381279A JP7381279A JPS55166041A JP S55166041 A JPS55166041 A JP S55166041A JP 7381279 A JP7381279 A JP 7381279A JP 7381279 A JP7381279 A JP 7381279A JP S55166041 A JPS55166041 A JP S55166041A
Authority
JP
Japan
Prior art keywords
circuits
circuit
output signal
time constant
signals
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.)
Pending
Application number
JP7381279A
Other languages
English (en)
Inventor
Seiichi Watanabe
Isamu Ichijima
Takao Sugimoto
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP7381279A priority Critical patent/JPS55166041A/ja
Publication of JPS55166041A publication Critical patent/JPS55166041A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP7381279A 1979-06-12 1979-06-12 Eddy current flaw detection apparatus Pending JPS55166041A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7381279A JPS55166041A (en) 1979-06-12 1979-06-12 Eddy current flaw detection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7381279A JPS55166041A (en) 1979-06-12 1979-06-12 Eddy current flaw detection apparatus

Publications (1)

Publication Number Publication Date
JPS55166041A true JPS55166041A (en) 1980-12-24

Family

ID=13528934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7381279A Pending JPS55166041A (en) 1979-06-12 1979-06-12 Eddy current flaw detection apparatus

Country Status (1)

Country Link
JP (1) JPS55166041A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015105926A (ja) * 2013-12-02 2015-06-08 株式会社東芝 渦電流探傷装置および渦電流探傷方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015105926A (ja) * 2013-12-02 2015-06-08 株式会社東芝 渦電流探傷装置および渦電流探傷方法

Similar Documents

Publication Publication Date Title
JPS55166041A (en) Eddy current flaw detection apparatus
JPS5225575A (en) Inspection method of the state of object
JPS5327020A (en) Fuzz effect circuit
JPS55129910A (en) Magnetic signal reproducing device
JPS5269673A (en) Magnetic signal detecting circuit
JPS54111070A (en) Phase controlling circuit
JPS5272142A (en) Limiting amplifier
JPS54143678A (en) Eddy current type velocity measuring apparatus
JPS5288010A (en) Recording level setting apparatus for fm signal
JPS5580059A (en) Signal measuring apparatus
JPS5661258A (en) Tension controlling apparatus
JPS5218389A (en) Electromagnetic induction type detecting device
JPS539184A (en) Automatic unbalance correcting apparatus
JPS5610248A (en) Eddy current flaw detector for metal wire
JPS52105880A (en) Automatic unbalance correcting apparatus
JPS5237685A (en) Servo amplifier
JPS5220507A (en) Tester for automatic train control means
JPS5668806A (en) Temperature control device
Jackson et al. A New Approach to Calibrating for Distance-Amplitude Correction in Ultrasonic Flaw Detectors
JPS52110184A (en) Apparatus for inspecting joint portion of paper bags
JPS529409A (en) Mark write-in system of rotary type magnetic recorder
JPS567557A (en) Automatic gain control circuit
JPS5226882A (en) Apparatus for direct measurement of substrate temperatures
JPS5219241A (en) Zero point detection apparatus for voltage
JPS528869A (en) Amplitude differential detectio circuit