JPS61149859A - 磁気的検知装置 - Google Patents

磁気的検知装置

Info

Publication number
JPS61149859A
JPS61149859A JP59281384A JP28138484A JPS61149859A JP S61149859 A JPS61149859 A JP S61149859A JP 59281384 A JP59281384 A JP 59281384A JP 28138484 A JP28138484 A JP 28138484A JP S61149859 A JPS61149859 A JP S61149859A
Authority
JP
Japan
Prior art keywords
coil
voltage
circuit
output
detection
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
JP59281384A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0371068B2 (enrdf_load_stackoverflow
Inventor
Shiro Nakagawa
士郎 中川
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP59281384A priority Critical patent/JPS61149859A/ja
Publication of JPS61149859A publication Critical patent/JPS61149859A/ja
Publication of JPH0371068B2 publication Critical patent/JPH0371068B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Dry Development In Electrophotography (AREA)
JP59281384A 1984-12-24 1984-12-24 磁気的検知装置 Granted JPS61149859A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59281384A JPS61149859A (ja) 1984-12-24 1984-12-24 磁気的検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59281384A JPS61149859A (ja) 1984-12-24 1984-12-24 磁気的検知装置

Publications (2)

Publication Number Publication Date
JPS61149859A true JPS61149859A (ja) 1986-07-08
JPH0371068B2 JPH0371068B2 (enrdf_load_stackoverflow) 1991-11-11

Family

ID=17638384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59281384A Granted JPS61149859A (ja) 1984-12-24 1984-12-24 磁気的検知装置

Country Status (1)

Country Link
JP (1) JPS61149859A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187160U (enrdf_load_stackoverflow) * 1987-05-19 1988-11-30
JPH01210979A (ja) * 1988-02-19 1989-08-24 Hitachi Metals Ltd 現像装置
JPH0486588A (ja) * 1990-07-31 1992-03-19 Nishimatsu Constr Co Ltd M式深鉄筋探査器
FR2810738A1 (fr) * 2000-06-26 2001-12-28 Jean Pierre Martin Dispositif permettant de realiser une image electromagnetique d'un corps dit "a investiguer" par rapport a un corps de reference
JP2002357517A (ja) * 2001-03-27 2002-12-13 Hitachi Chem Co Ltd Voc捕集用パッシブサンプラー
JP2015068774A (ja) * 2013-09-30 2015-04-13 京セラドキュメントソリューションズ株式会社 トナーセンサー及び画像形成装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187160U (enrdf_load_stackoverflow) * 1987-05-19 1988-11-30
JPH01210979A (ja) * 1988-02-19 1989-08-24 Hitachi Metals Ltd 現像装置
JPH0486588A (ja) * 1990-07-31 1992-03-19 Nishimatsu Constr Co Ltd M式深鉄筋探査器
FR2810738A1 (fr) * 2000-06-26 2001-12-28 Jean Pierre Martin Dispositif permettant de realiser une image electromagnetique d'un corps dit "a investiguer" par rapport a un corps de reference
JP2002357517A (ja) * 2001-03-27 2002-12-13 Hitachi Chem Co Ltd Voc捕集用パッシブサンプラー
JP2015068774A (ja) * 2013-09-30 2015-04-13 京セラドキュメントソリューションズ株式会社 トナーセンサー及び画像形成装置

Also Published As

Publication number Publication date
JPH0371068B2 (enrdf_load_stackoverflow) 1991-11-11

Similar Documents

Publication Publication Date Title
US4723446A (en) Device for measuring displacement
US5469053A (en) E/U core linear variable differential transformer for precise displacement measurement
WO1984000425A1 (en) Toner level sensor
JPS61149858A (ja) 磁気的検知装置
JPS61149859A (ja) 磁気的検知装置
JPH0428058Y2 (enrdf_load_stackoverflow)
JPH03282277A (ja) 磁気検出素子
JPH07248676A (ja) トナー濃度検出装置
EP1057136B1 (en) Induction sensor
JPS59206755A (ja) 粉体検知器
US6057683A (en) Induction sensor having conductive concentrator with measuring gap
JPH0194280A (ja) 磁性材料検知磁気センサ
JPH0624732Y2 (ja) 差動トランス
EP0292130B1 (en) Toner concentration detection
JPS62215863A (ja) 磁気的検知装置
JPS62164068A (ja) 現像剤トナ−濃度の制御方法
SU1023367A1 (ru) Индуктивный датчик дл обнаружени металлических предметов
JPS62164067A (ja) 現像剤トナ−濃度の制御方法
JP2514338B2 (ja) 電流検出器
JPH0140057Y2 (enrdf_load_stackoverflow)
JPH0355895Y2 (enrdf_load_stackoverflow)
JPS646767A (en) Current detector
JPH07146348A (ja) 電流センサ
JPS61270654A (ja) トナ−用センサ−
JPH04236301A (ja) 変位検出器

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees