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BE511951A - - Google Patents

Info

Publication number
BE511951A
BE511951A BE511951DA BE511951A BE 511951 A BE511951 A BE 511951A BE 511951D A BE511951D A BE 511951DA BE 511951 A BE511951 A BE 511951A
Authority
BE
Belgium
Application number
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.)
Publication of BE511951A publication Critical patent/BE511951A/xx

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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
BE511951D 1951-06-09 BE511951A (is)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US230775A US2680156A (en) 1951-06-09 1951-06-09 Magnetic head for perpendicular recording

Publications (1)

Publication Number Publication Date
BE511951A true BE511951A (is)

Family

ID=22866533

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511951D BE511951A (is) 1951-06-09

Country Status (3)

Country Link
US (1) US2680156A (is)
BE (1) BE511951A (is)
FR (1) FR1073924A (is)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838614A (en) * 1952-05-12 1958-06-10 North American Aviation Inc Magnetic recording head
US2927973A (en) * 1955-08-26 1960-03-08 Ibm Magnetic transducer
US2997695A (en) * 1956-04-06 1961-08-22 Robert L Conger Magnetic core storage device
US2959643A (en) * 1957-03-29 1960-11-08 Rca Corp Magnetic erase head
US3103665A (en) * 1959-12-28 1963-09-10 Magnavox Co Electro-magnetic transducer
JPS55125536A (en) * 1979-03-16 1980-09-27 Fuji Photo Film Co Ltd Recording medium for vertical magnetic record
FR2490847A1 (fr) * 1980-09-22 1982-03-26 Cii Honeywell Bull Element d'enregistrement magnetique
US6665136B2 (en) 2001-08-28 2003-12-16 Seagate Technology Llc Recording heads using magnetic fields generated locally from high current densities in a thin film wire
WO2003021576A1 (en) * 2001-08-28 2003-03-13 Seagate Technology Llc Recording heads using magnetic fields generated locally from high current densities in a thin film wire
US6917493B2 (en) * 2001-08-28 2005-07-12 Seagate Technology Llc Ampere head with perpendicular magnetic field

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE612450C (de) * 1933-02-05 1935-04-25 Willy Hornauer Einrichtung zur Wiedergabe von Magnetogrammen
US2247847A (en) * 1937-07-23 1941-07-01 Pfleumer Fritz Recording and reproducing device for magnetic sound writing

Also Published As

Publication number Publication date
FR1073924A (fr) 1954-09-30
US2680156A (en) 1954-06-01

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