GB1136147A - Magnetising arrangement - Google Patents

Magnetising arrangement

Info

Publication number
GB1136147A
GB1136147A GB20824/66A GB2082466A GB1136147A GB 1136147 A GB1136147 A GB 1136147A GB 20824/66 A GB20824/66 A GB 20824/66A GB 2082466 A GB2082466 A GB 2082466A GB 1136147 A GB1136147 A GB 1136147A
Authority
GB
United Kingdom
Prior art keywords
plate
record carrier
electromagnet
poles
beryllium bronze
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
GB20824/66A
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of GB1136147A publication Critical patent/GB1136147A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
GB20824/66A 1965-05-21 1966-05-11 Magnetising arrangement Expired GB1136147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0049275 1965-05-21

Publications (1)

Publication Number Publication Date
GB1136147A true GB1136147A (en) 1968-12-11

Family

ID=6936780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20824/66A Expired GB1136147A (en) 1965-05-21 1966-05-11 Magnetising arrangement

Country Status (5)

Country Link
US (1) US3441884A (OSRAM)
BE (1) BE681389A (OSRAM)
DE (1) DE1474277A1 (OSRAM)
GB (1) GB1136147A (OSRAM)
NL (1) NL6607070A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626396A (en) * 1968-10-03 1971-12-07 Ibm Thin-film magnetic recording head
BE754795A (fr) * 1969-08-14 1971-01-18 Bull General Electric Unite de tetes magnetiques multivoie et son procede de fabrication
US3768094A (en) * 1971-12-10 1973-10-23 C Henrich Digital encoder and position reference
US3878367A (en) * 1973-05-02 1975-04-15 Minnesota Mining & Mfg Magnetic security document and method for making same
US4399422A (en) * 1981-08-31 1983-08-16 Wang Laboratories, Inc. Magnetizing apparatus
JPS63266618A (ja) * 1986-12-10 1988-11-02 Matsushita Electric Ind Co Ltd 永久磁石消去ヘッド
CN114446570B (zh) * 2022-01-19 2023-11-10 宁波市信泰科技有限公司 一种钕铁硼磁铁的充磁工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522463A (en) * 1947-06-11 1950-09-12 Teletype Corp Receptacle for magnetizable record strips
US2662120A (en) * 1950-02-18 1953-12-08 Bell Telephone Labor Inc Magnetic head
US2853560A (en) * 1951-12-15 1958-09-23 Atkinson Variable area magnetic recording apparatus
US3012232A (en) * 1953-01-27 1961-12-05 Remington Rand Inc High speed printer
BE553500A (OSRAM) * 1956-01-27
US3230516A (en) * 1959-04-13 1966-01-18 Frederic W Olmstead Control system for machine tools and the like

Also Published As

Publication number Publication date
DE1474277A1 (de) 1969-07-10
NL6607070A (OSRAM) 1966-10-25
US3441884A (en) 1969-04-29
BE681389A (OSRAM) 1966-11-23

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