JPS5388796A - Method of detecting magnetic member - Google Patents

Method of detecting magnetic member

Info

Publication number
JPS5388796A
JPS5388796A JP239877A JP239877A JPS5388796A JP S5388796 A JPS5388796 A JP S5388796A JP 239877 A JP239877 A JP 239877A JP 239877 A JP239877 A JP 239877A JP S5388796 A JPS5388796 A JP S5388796A
Authority
JP
Japan
Prior art keywords
magnetic member
detecting magnetic
magnetic
detector
detecting
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
JP239877A
Other languages
Japanese (ja)
Inventor
Masao Hotta
Kenji Maio
Shigeru Shimada
Toshinori Fujioka
Hideo Fujiwara
Michihiro Mese
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP239877A priority Critical patent/JPS5388796A/en
Publication of JPS5388796A publication Critical patent/JPS5388796A/en
Pending legal-status Critical Current

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Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Character Input (AREA)

Abstract

PURPOSE:To enable detecting infinitesimal magnetic member with good zero accuracy and high sensitivity by detecting unbalanced magnetic field produced in the vicinity of a detector with the member by providing the magnetic detector and balanced magntic field generating means.
JP239877A 1977-01-14 1977-01-14 Method of detecting magnetic member Pending JPS5388796A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP239877A JPS5388796A (en) 1977-01-14 1977-01-14 Method of detecting magnetic member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP239877A JPS5388796A (en) 1977-01-14 1977-01-14 Method of detecting magnetic member

Publications (1)

Publication Number Publication Date
JPS5388796A true JPS5388796A (en) 1978-08-04

Family

ID=11528124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP239877A Pending JPS5388796A (en) 1977-01-14 1977-01-14 Method of detecting magnetic member

Country Status (1)

Country Link
JP (1) JPS5388796A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015096840A (en) * 2013-11-15 2015-05-21 公益財団法人電磁材料研究所 Magnetic object detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015096840A (en) * 2013-11-15 2015-05-21 公益財団法人電磁材料研究所 Magnetic object detector

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