JPS6217844B2 - - Google Patents

Info

Publication number
JPS6217844B2
JPS6217844B2 JP55071947A JP7194780A JPS6217844B2 JP S6217844 B2 JPS6217844 B2 JP S6217844B2 JP 55071947 A JP55071947 A JP 55071947A JP 7194780 A JP7194780 A JP 7194780A JP S6217844 B2 JPS6217844 B2 JP S6217844B2
Authority
JP
Japan
Prior art keywords
magnetic field
coil
vehicle
demagnetizing
alternating current
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.)
Expired
Application number
JP55071947A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56167308A (en
Inventor
Muneaki Matsumoto
Akira Kuno
Akishi Numata
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.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP7194780A priority Critical patent/JPS56167308A/ja
Priority to US06/267,425 priority patent/US4378581A/en
Priority to DE3121218A priority patent/DE3121218A1/de
Publication of JPS56167308A publication Critical patent/JPS56167308A/ja
Publication of JPS6217844B2 publication Critical patent/JPS6217844B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Magnetic Variables (AREA)
JP7194780A 1980-05-28 1980-05-28 Magnetic eraser for vehicle Granted JPS56167308A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7194780A JPS56167308A (en) 1980-05-28 1980-05-28 Magnetic eraser for vehicle
US06/267,425 US4378581A (en) 1980-05-28 1981-05-26 Demagnetizing apparatus for use in vehicles
DE3121218A DE3121218A1 (de) 1980-05-28 1981-05-27 "entmagnetisiereinrichtung zur verwendung in fahrzeugen"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7194780A JPS56167308A (en) 1980-05-28 1980-05-28 Magnetic eraser for vehicle

Publications (2)

Publication Number Publication Date
JPS56167308A JPS56167308A (en) 1981-12-23
JPS6217844B2 true JPS6217844B2 (US20020051482A1-20020502-M00057.png) 1987-04-20

Family

ID=13475187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7194780A Granted JPS56167308A (en) 1980-05-28 1980-05-28 Magnetic eraser for vehicle

Country Status (3)

Country Link
US (1) US4378581A (US20020051482A1-20020502-M00057.png)
JP (1) JPS56167308A (US20020051482A1-20020502-M00057.png)
DE (1) DE3121218A1 (US20020051482A1-20020502-M00057.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63186137U (US20020051482A1-20020502-M00057.png) * 1987-05-19 1988-11-29

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58112306A (ja) * 1981-12-26 1983-07-04 Toyota Motor Corp 磁性物体の消磁方法及びその装置
DE69304768T2 (de) * 1992-04-09 1997-03-27 Philips Electronics Nv Einrichtung zum Ermitteln der Orientierung eines Fahrzeugs
US5889338A (en) * 1997-06-09 1999-03-30 Richmond; Tom A. Demagnetizing apparatus for an automotive engine
US5959824A (en) * 1998-03-25 1999-09-28 Data Security, Inc. Transient magnetic field degaussing system with auto calibration
US5969933A (en) * 1998-03-25 1999-10-19 Data Security, Inc. Transient magnet field degaussing system
US6731491B2 (en) 2001-06-15 2004-05-04 Data Security, Inc. Bulk degausser with fixed arrays of magnet poles
US7164569B1 (en) 2004-06-30 2007-01-16 Data Security, Inc. Mechanism for automated permanent magnet degaussing
US20060018075A1 (en) * 2004-07-23 2006-01-26 Data Security, Inc. Permanent magnet bulk degausser
US7715166B2 (en) * 2006-07-14 2010-05-11 Data Security, Inc. Method and reciprocating apparatus for permanent magnet erasure of magnetic storage media
US7701656B2 (en) * 2006-07-14 2010-04-20 Data Security, Inc. Method and apparatus for permanent magnet erasure of magnetic storage media
US20090284890A1 (en) * 2008-05-16 2009-11-19 Thiel Leroy D Mechanism and Method for Permanent Magnet Degaussing
JP5262436B2 (ja) * 2008-08-27 2013-08-14 Ｊｆｅスチール株式会社 磁気測定方法および装置
DE102018007179A1 (de) 2017-09-22 2019-03-28 Albert Maurer Vorrichtung zum Entmagnetisieren lang ausgestalteter Bauteile und Verfahren zur Entmagnetisierung solcher Bauteile
CN107633933A (zh) * 2017-10-17 2018-01-26 南宁钛银科技有限公司 一种汽车部件消磁装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB619212A (en) * 1940-11-23 1949-03-04 Magnetic Analysis Corp Method of and apparatus for demagnetizing magnetic bodies
US3110282A (en) * 1960-08-24 1963-11-12 Friedrich M O Foerster Degaussing control
DE1489988C3 (de) * 1965-12-28 1975-07-31 Hoesch Werke Ag, 4600 Dortmund Verfahren und Schaltungsanordnung zur kontinuierlichen Entmagnetisierung von ferromagnetischen Halb- oder Fertigfabrikaten bei Anwesenheit von Störfeldern
DE2443672C3 (de) * 1974-09-12 1981-06-04 Förster, Friedrich, Dr.phil., 7410 Reutlingen Verfahren und Vorrichtung zur stabilen Kompensation magnetischer Störfelder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63186137U (US20020051482A1-20020502-M00057.png) * 1987-05-19 1988-11-29

Also Published As

Publication number Publication date
DE3121218C2 (US20020051482A1-20020502-M00057.png) 1987-06-11
DE3121218A1 (de) 1982-02-11
US4378581A (en) 1983-03-29
JPS56167308A (en) 1981-12-23

Similar Documents

Publication Publication Date Title
JPS6217844B2 (US20020051482A1-20020502-M00057.png)
US5066891A (en) Magnetic field cancellation circuit
JPH0627151A (ja) 補償原理に基づき動作する電流測定変換器
GB1418820A (en) Apparatus for compensating an error component in a signal voltage caused by variations in an external magnetic field
JPS5814056B2 (ja) 車両用消磁装置
JP7013291B2 (ja) 消磁システム、構造体、及び消磁方法
US2383459A (en) Indicator for magnetic fields
JPH0465593B2 (US20020051482A1-20020502-M00057.png)
JPS57131200A (en) Electromagnetic driving system
JPH0975324A (ja) 磁気共鳴イメージング装置
US5481808A (en) Vehicle orientation sensor and method with magnetic stabilization
JPS54128719A (en) Vertical magnetization recorder
JPS5930411Y2 (ja) 車載用方位計
Silva et al. Model for angular dependency of the intrinsic coercivity force of ferrite permanent magnets
JP3571285B2 (ja) Ｃｒｔの映像動揺低減装置
US2908768A (en) Device for demagnetizing the magnetized wire of a sound recording and reproducing apparatus
JPS637419B2 (US20020051482A1-20020502-M00057.png)
JP2727882B2 (ja) 変圧器の直流偏磁検出方法および直流偏磁の極性判別方法
JPH0918184A (ja) 磁気シールドルーム
JP3746359B2 (ja) 直流電流センサー
JPS61289788A (ja) カラ−ブラウン管表示装置
JPH0159757B2 (US20020051482A1-20020502-M00057.png)
JP2000055940A (ja) 直流電流センサー
JPS5928679A (ja) 車両用消磁装置
JPH0723009Y2 (ja) 交流回転機の電機子巻線