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BE644713A - - Google Patents

Info

Publication number
BE644713A
BE644713A BE644713A BE644713A BE644713A BE 644713 A BE644713 A BE 644713A BE 644713 A BE644713 A BE 644713A BE 644713 A BE644713 A BE 644713A BE 644713 A BE644713 A BE 644713A
Authority
BE
Belgium
Application number
BE644713A
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 filed Critical
Publication of BE644713A publication Critical patent/BE644713A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/29Structure or manufacture of unitary devices formed of plural heads for more than one track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
BE644713A 1963-03-06 1964-03-04 BE644713A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT175163A AT238472B (de) 1963-03-06 1963-03-06 Löschkopf

Publications (1)

Publication Number Publication Date
BE644713A true BE644713A (de) 1964-09-04

Family

ID=3520209

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644713A BE644713A (de) 1963-03-06 1964-03-04

Country Status (9)

Country Link
US (1) US3373249A (de)
AT (1) AT238472B (de)
BE (1) BE644713A (de)
CH (1) CH428250A (de)
DE (1) DE1228306B (de)
ES (1) ES297195A1 (de)
GB (1) GB1014257A (de)
NL (1) NL144415B (de)
SE (1) SE328724B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821126A (en) * 1985-10-22 1989-04-11 Fuji Photo Film Co., Ltd. Magnetic recording method involving core pieces of different thickness

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2230913A (en) * 1936-03-03 1941-02-04 Licentia Gmbh Magnetic sound recorder
US2876294A (en) * 1953-10-19 1959-03-03 Warner Bros Magnetic record control method and circuits
US2747024A (en) * 1954-10-04 1956-05-22 Clevite Corp Magnetic erase heads

Also Published As

Publication number Publication date
NL144415B (nl) 1974-12-16
AT238472B (de) 1965-02-10
US3373249A (en) 1968-03-12
CH428250A (de) 1967-01-15
GB1014257A (en) 1965-12-22
DE1228306B (de) 1966-11-10
SE328724B (de) 1970-09-21
ES297195A1 (es) 1964-08-16
NL6402193A (de) 1964-09-07

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