JPS62104155U - - Google Patents

Info

Publication number
JPS62104155U
JPS62104155U JP19508785U JP19508785U JPS62104155U JP S62104155 U JPS62104155 U JP S62104155U JP 19508785 U JP19508785 U JP 19508785U JP 19508785 U JP19508785 U JP 19508785U JP S62104155 U JPS62104155 U JP S62104155U
Authority
JP
Japan
Prior art keywords
voltage
detection coil
comparator
output
lower limit
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
JP19508785U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0426931Y2 (enrdf_load_stackoverflow
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 JP1985195087U priority Critical patent/JPH0426931Y2/ja
Publication of JPS62104155U publication Critical patent/JPS62104155U/ja
Application granted granted Critical
Publication of JPH0426931Y2 publication Critical patent/JPH0426931Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Testing Of Coins (AREA)
JP1985195087U 1985-12-20 1985-12-20 Expired JPH0426931Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985195087U JPH0426931Y2 (enrdf_load_stackoverflow) 1985-12-20 1985-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985195087U JPH0426931Y2 (enrdf_load_stackoverflow) 1985-12-20 1985-12-20

Publications (2)

Publication Number Publication Date
JPS62104155U true JPS62104155U (enrdf_load_stackoverflow) 1987-07-02
JPH0426931Y2 JPH0426931Y2 (enrdf_load_stackoverflow) 1992-06-29

Family

ID=31152656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985195087U Expired JPH0426931Y2 (enrdf_load_stackoverflow) 1985-12-20 1985-12-20

Country Status (1)

Country Link
JP (1) JPH0426931Y2 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869663A (en) * 1971-06-11 1975-03-04 Berliner Maschinenbau Ag Method and apparatus for checking metallic objects by monitoring its effect on one cycle of an alternating field

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869663A (en) * 1971-06-11 1975-03-04 Berliner Maschinenbau Ag Method and apparatus for checking metallic objects by monitoring its effect on one cycle of an alternating field

Also Published As

Publication number Publication date
JPH0426931Y2 (enrdf_load_stackoverflow) 1992-06-29

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