JPH02144765U - - Google Patents

Info

Publication number
JPH02144765U
JPH02144765U JP4969390U JP4969390U JPH02144765U JP H02144765 U JPH02144765 U JP H02144765U JP 4969390 U JP4969390 U JP 4969390U JP 4969390 U JP4969390 U JP 4969390U JP H02144765 U JPH02144765 U JP H02144765U
Authority
JP
Japan
Prior art keywords
level
discrimination
frequency
pair
secondary coils
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.)
Granted
Application number
JP4969390U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0428059Y2 (US06653308-20031125-C00197.png
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 filed Critical
Priority to JP1990049693U priority Critical patent/JPH0428059Y2/ja
Publication of JPH02144765U publication Critical patent/JPH02144765U/ja
Application granted granted Critical
Publication of JPH0428059Y2 publication Critical patent/JPH0428059Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP1990049693U 1990-05-10 1990-05-10 Expired JPH0428059Y2 (US06653308-20031125-C00197.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990049693U JPH0428059Y2 (US06653308-20031125-C00197.png) 1990-05-10 1990-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990049693U JPH0428059Y2 (US06653308-20031125-C00197.png) 1990-05-10 1990-05-10

Publications (2)

Publication Number Publication Date
JPH02144765U true JPH02144765U (US06653308-20031125-C00197.png) 1990-12-07
JPH0428059Y2 JPH0428059Y2 (US06653308-20031125-C00197.png) 1992-07-07

Family

ID=31567607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990049693U Expired JPH0428059Y2 (US06653308-20031125-C00197.png) 1990-05-10 1990-05-10

Country Status (1)

Country Link
JP (1) JPH0428059Y2 (US06653308-20031125-C00197.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012063259A (ja) * 2010-09-16 2012-03-29 Nikka Densoku Kk 金属検出機

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101032465B1 (ko) * 2009-10-30 2011-05-03 한국전력공사 송전선 부식 탐지기 및 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087097U (US06653308-20031125-C00197.png) * 1973-12-12 1975-07-24
JPS52495A (en) * 1975-06-21 1977-01-05 Nippon Koinko Kk Electronic coin examining device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5087097U (US06653308-20031125-C00197.png) * 1973-12-12 1975-07-24
JPS52495A (en) * 1975-06-21 1977-01-05 Nippon Koinko Kk Electronic coin examining device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012063259A (ja) * 2010-09-16 2012-03-29 Nikka Densoku Kk 金属検出機

Also Published As

Publication number Publication date
JPH0428059Y2 (US06653308-20031125-C00197.png) 1992-07-07

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