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 (US07223432-20070529-C00017.png)

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 (US07223432-20070529-C00017.png) 1964-09-04

Family

ID=3520209

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644713A BE644713A (US07223432-20070529-C00017.png) 1963-03-06 1964-03-04

Country Status (9)

Country Link
US (1) US3373249A (US07223432-20070529-C00017.png)
AT (1) AT238472B (US07223432-20070529-C00017.png)
BE (1) BE644713A (US07223432-20070529-C00017.png)
CH (1) CH428250A (US07223432-20070529-C00017.png)
DE (1) DE1228306B (US07223432-20070529-C00017.png)
ES (1) ES297195A1 (US07223432-20070529-C00017.png)
GB (1) GB1014257A (US07223432-20070529-C00017.png)
NL (1) NL144415B (US07223432-20070529-C00017.png)
SE (1) SE328724B (US07223432-20070529-C00017.png)

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
CH428250A (de) 1967-01-15
NL6402193A (US07223432-20070529-C00017.png) 1964-09-07
SE328724B (US07223432-20070529-C00017.png) 1970-09-21
AT238472B (de) 1965-02-10
GB1014257A (en) 1965-12-22
NL144415B (nl) 1974-12-16
ES297195A1 (es) 1964-08-16
DE1228306B (de) 1966-11-10
US3373249A (en) 1968-03-12

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