JPS5413394A - Flaw locating system of vortex flow type - Google Patents

Flaw locating system of vortex flow type

Info

Publication number
JPS5413394A
JPS5413394A JP7940777A JP7940777A JPS5413394A JP S5413394 A JPS5413394 A JP S5413394A JP 7940777 A JP7940777 A JP 7940777A JP 7940777 A JP7940777 A JP 7940777A JP S5413394 A JPS5413394 A JP S5413394A
Authority
JP
Japan
Prior art keywords
flow type
vortex flow
locating system
flaw
flaw locating
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
JP7940777A
Other languages
Japanese (ja)
Inventor
Eiichi Nakaoka
Osamu Shimakura
Takashi Okamoto
Ikutaro Yamazaki
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.)
Shimadzu Corp
Nippon Steel Corp
Original Assignee
Shimadzu Corp
Sumitomo Metal Industries 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 Shimadzu Corp, Sumitomo Metal Industries Ltd filed Critical Shimadzu Corp
Priority to JP7940777A priority Critical patent/JPS5413394A/en
Publication of JPS5413394A publication Critical patent/JPS5413394A/en
Pending legal-status Critical Current

Links

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  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE: To prevent an excessive from being overlooked by composing the modulated high frequency signals due to the flaw with the phase-anaylyzed signals after only the low frequency signals are always fed through a bypass circuit so that they may be adjusted to suitable signal voltage.
COPYRIGHT: (C)1979,JPO&Japio
JP7940777A 1977-06-30 1977-06-30 Flaw locating system of vortex flow type Pending JPS5413394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7940777A JPS5413394A (en) 1977-06-30 1977-06-30 Flaw locating system of vortex flow type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7940777A JPS5413394A (en) 1977-06-30 1977-06-30 Flaw locating system of vortex flow type

Publications (1)

Publication Number Publication Date
JPS5413394A true JPS5413394A (en) 1979-01-31

Family

ID=13688992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7940777A Pending JPS5413394A (en) 1977-06-30 1977-06-30 Flaw locating system of vortex flow type

Country Status (1)

Country Link
JP (1) JPS5413394A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4890287A (en) * 1972-02-29 1973-11-24
JPS4957885A (en) * 1972-09-30 1974-06-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4890287A (en) * 1972-02-29 1973-11-24
JPS4957885A (en) * 1972-09-30 1974-06-05

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