GB1438805A - Method and apparatus for locally magnetizing moving magnetic material - Google Patents

Method and apparatus for locally magnetizing moving magnetic material

Info

Publication number
GB1438805A
GB1438805A GB4821673A GB4821673A GB1438805A GB 1438805 A GB1438805 A GB 1438805A GB 4821673 A GB4821673 A GB 4821673A GB 4821673 A GB4821673 A GB 4821673A GB 1438805 A GB1438805 A GB 1438805A
Authority
GB
United Kingdom
Prior art keywords
pulse
switch
plate
speed
magnetized
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
GB4821673A
Other languages
English (en)
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of GB1438805A publication Critical patent/GB1438805A/en
Expired 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/04—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B7/042—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
    • G01B7/046—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length using magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/54—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring frequency of generated current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB4821673A 1972-10-16 1973-10-16 Method and apparatus for locally magnetizing moving magnetic material Expired GB1438805A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47103446A JPS4962156A (enrdf_load_stackoverflow) 1972-10-16 1972-10-16

Publications (1)

Publication Number Publication Date
GB1438805A true GB1438805A (en) 1976-06-09

Family

ID=14354243

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4821673A Expired GB1438805A (en) 1972-10-16 1973-10-16 Method and apparatus for locally magnetizing moving magnetic material

Country Status (5)

Country Link
US (1) US3873912A (enrdf_load_stackoverflow)
JP (1) JPS4962156A (enrdf_load_stackoverflow)
DE (1) DE2351868C3 (enrdf_load_stackoverflow)
FR (1) FR2203148B1 (enrdf_load_stackoverflow)
GB (1) GB1438805A (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121155A (en) * 1976-12-02 1978-10-17 The Charles Stark Draper Laboratory, Inc. Position readout device
FR2379047A1 (fr) * 1977-01-26 1978-08-25 American Can Co Detecteur de boite courte destine a une machine de production de corps de boites
GB2062235A (en) * 1979-01-05 1981-05-20 British Gas Corp Measuring velocity and/or distance travelled
JPS5648501A (en) * 1979-09-28 1981-05-01 Sumitomo Electric Ind Ltd Length measuring device
JPS5748521A (en) * 1980-09-08 1982-03-19 Bridgestone Corp Measurement method for elongation of conveyor belt
US4465975A (en) * 1980-09-19 1984-08-14 The B. F. Goodrich Company Scanning apparatus and method for measuring a magnetic field produced by a sample
US4444064A (en) * 1982-06-14 1984-04-24 General Electric Company Electromagnetic torque measuring instrumentation for a rotating shaft
US4657197A (en) * 1983-10-07 1987-04-14 American Multimedia, Inc. Cassette tape loader apparatus for testing the presence of magnetic storage medium on a given side of a tape
US4578644A (en) * 1983-10-07 1986-03-25 American Multimedia, Inc. Method and apparatus for testing the presence of magnetic storage medium on a given side of a tape
US4709208A (en) * 1985-12-19 1987-11-24 Kerr Measurement Systems, Inc. Magnetic mark detector system
JPH01114759A (ja) * 1987-10-28 1989-05-08 Nippon Soken Inc 変位速度検出器
DE3812458A1 (de) * 1988-04-14 1989-10-26 Masinostroitelen Eksperimental Vorrichtung zur magnet-impuls-behandlung von ferromagnetischen werkstoffen
FR2659437B1 (fr) * 1990-03-07 1994-03-25 Caoutchouc Manufacture Plastique Moyen de reperage lineaire de longueur, de vitesse ou de positionnement pour article souple de grande longeur.
US20100301846A1 (en) * 2009-06-01 2010-12-02 Magna-Lastic Devices, Inc. Magnetic speed sensor and method of making the same
CN103170528B (zh) * 2013-03-19 2015-01-28 全文宪 一种冲床数显计数器
CN103486956B (zh) * 2013-10-10 2015-12-23 中国计量科学研究院 一种实现高精度测量竖直移动方向的装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1084883A (fr) * 1953-10-12 1955-01-25 Procédé de mesure de l'allongement des tôles dans les laminoirs, ou applications similaires
US3015062A (en) * 1959-05-21 1961-12-26 Designers For Industry Inc Measuring device
US3432747A (en) * 1967-01-23 1969-03-11 Api Instr Co Spot recording and pickup methods and apparatus for the determination of hardness of relatively moving magnetic material without contacting the same

Also Published As

Publication number Publication date
FR2203148B1 (enrdf_load_stackoverflow) 1977-09-30
US3873912A (en) 1975-03-25
JPS4962156A (enrdf_load_stackoverflow) 1974-06-17
DE2351868C3 (de) 1979-05-31
DE2351868B2 (enrdf_load_stackoverflow) 1978-10-05
DE2351868A1 (de) 1974-05-02
FR2203148A1 (enrdf_load_stackoverflow) 1974-05-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee