JPH02133689U - - Google Patents

Info

Publication number
JPH02133689U
JPH02133689U JP4256089U JP4256089U JPH02133689U JP H02133689 U JPH02133689 U JP H02133689U JP 4256089 U JP4256089 U JP 4256089U JP 4256089 U JP4256089 U JP 4256089U JP H02133689 U JPH02133689 U JP H02133689U
Authority
JP
Japan
Prior art keywords
coil
circuit
output
parallel resonant
impedance conversion
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
JP4256089U
Other languages
English (en)
Japanese (ja)
Other versions
JPH089653Y2 (ja
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 JP1989042560U priority Critical patent/JPH089653Y2/ja
Publication of JPH02133689U publication Critical patent/JPH02133689U/ja
Application granted granted Critical
Publication of JPH089653Y2 publication Critical patent/JPH089653Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Dry Development In Electrophotography (AREA)
JP1989042560U 1989-04-12 1989-04-12 トナー検知用センサ回路 Expired - Lifetime JPH089653Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989042560U JPH089653Y2 (ja) 1989-04-12 1989-04-12 トナー検知用センサ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989042560U JPH089653Y2 (ja) 1989-04-12 1989-04-12 トナー検知用センサ回路

Publications (2)

Publication Number Publication Date
JPH02133689U true JPH02133689U (en]) 1990-11-06
JPH089653Y2 JPH089653Y2 (ja) 1996-03-21

Family

ID=31554210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989042560U Expired - Lifetime JPH089653Y2 (ja) 1989-04-12 1989-04-12 トナー検知用センサ回路

Country Status (1)

Country Link
JP (1) JPH089653Y2 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008256664A (ja) * 2007-04-09 2008-10-23 Diesel United:Kk 導電体濃度計測装置及び導電体濃度計測方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2034303B1 (en) * 2006-05-30 2015-09-23 Diesel United, Ltd. Device and method for measuring concentration of magnetic material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078378A (ja) * 1983-10-05 1985-05-04 Anritsu Corp 金属検出装置
JPS62215863A (ja) * 1986-03-18 1987-09-22 Tdk Corp 磁気的検知装置
JPS62152280U (en]) * 1986-03-18 1987-09-26

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6078378A (ja) * 1983-10-05 1985-05-04 Anritsu Corp 金属検出装置
JPS62215863A (ja) * 1986-03-18 1987-09-22 Tdk Corp 磁気的検知装置
JPS62152280U (en]) * 1986-03-18 1987-09-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008256664A (ja) * 2007-04-09 2008-10-23 Diesel United:Kk 導電体濃度計測装置及び導電体濃度計測方法

Also Published As

Publication number Publication date
JPH089653Y2 (ja) 1996-03-21

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term