GB1406554A - Method and apparatus for multipolar magnetization of a flexible sheet - Google Patents

Method and apparatus for multipolar magnetization of a flexible sheet

Info

Publication number
GB1406554A
GB1406554A GB5545873A GB5545873A GB1406554A GB 1406554 A GB1406554 A GB 1406554A GB 5545873 A GB5545873 A GB 5545873A GB 5545873 A GB5545873 A GB 5545873A GB 1406554 A GB1406554 A GB 1406554A
Authority
GB
United Kingdom
Prior art keywords
gap
magnetization
sheet
traverse
multipolar
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
GB5545873A
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.)
Yamauchi Rubber Industry Co Ltd
Original Assignee
Yamauchi Rubber Industry Co 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 Yamauchi Rubber Industry Co Ltd filed Critical Yamauchi Rubber Industry Co Ltd
Publication of GB1406554A publication Critical patent/GB1406554A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
GB5545873A 1972-12-07 1973-11-29 Method and apparatus for multipolar magnetization of a flexible sheet Expired GB1406554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12314872A JPS56928B2 (fi) 1972-12-07 1972-12-07

Publications (1)

Publication Number Publication Date
GB1406554A true GB1406554A (en) 1975-09-17

Family

ID=14853366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5545873A Expired GB1406554A (en) 1972-12-07 1973-11-29 Method and apparatus for multipolar magnetization of a flexible sheet

Country Status (7)

Country Link
US (1) US3858136A (fi)
JP (1) JPS56928B2 (fi)
CH (1) CH558587A (fi)
DE (1) DE2361154A1 (fi)
FR (1) FR2211731B1 (fi)
GB (1) GB1406554A (fi)
IT (1) IT1004654B (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928043B2 (ja) * 1976-01-16 1984-07-10 日立金属株式会社 永久磁石の微小間隔着磁装置
US4146956A (en) * 1976-04-09 1979-04-03 Tokyo Shibaura Electric Co., Ltd. Method for manufacturing a multipolar erasing head
DE2814392C2 (de) * 1977-04-13 1983-10-27 Evva-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlössern GmbH & Co KG, 1120 Wien Oberflächenmagnetisierungsvorrichtung
US4237518A (en) * 1979-05-11 1980-12-02 Krulwich Lester S Nonelectric magnetizer and demagnetizer
SE469099B (sv) * 1991-08-14 1993-05-10 Nokia Data Ab Foermagnetiseringshuvud
DE19831415A1 (de) * 1998-04-17 1999-10-21 Meto International Gmbh Vorrichtung zum Deaktivieren eines Sicherungselementes für die elektronische Artikelsicherung
JP4018313B2 (ja) * 2000-03-01 2007-12-05 Ｎｔｎ株式会社 磁気エンコーダの製造方法
US6822827B1 (en) * 2001-06-07 2004-11-23 Imation Corp. Erasure techniques for magnetic tape media
US20090134963A1 (en) * 2007-11-26 2009-05-28 Ogden Jr Orval D Flexible magnetic sheet systems
NZ609515A (en) 2010-10-27 2015-01-30 Intercontinental Great Brands Llc Magnetically closable product accommodating package

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715659A (en) * 1950-10-14 1955-08-16 Ibuka Masaru Magnetic heads for magnetic recording and reproducing apparatus
US2711945A (en) * 1953-03-04 1955-06-28 Clevite Corp Magnetic transducer head for high frequency signals
NL193492A (fi) * 1953-12-28
US3140361A (en) * 1960-12-30 1964-07-07 Ampex Magnetic head assembly

Also Published As

Publication number Publication date
CH558587A (de) 1975-01-31
JPS56928B2 (fi) 1981-01-10
US3858136A (en) 1974-12-31
FR2211731A1 (fi) 1974-07-19
DE2361154A1 (de) 1974-06-12
FR2211731B1 (fi) 1978-02-10
IT1004654B (it) 1976-07-20
JPS4978899A (fi) 1974-07-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19931128