FR1128513A - Improvements to a magnetic recording method and apparatus - Google Patents

Improvements to a magnetic recording method and apparatus

Info

Publication number
FR1128513A
FR1128513A FR1128513DA FR1128513A FR 1128513 A FR1128513 A FR 1128513A FR 1128513D A FR1128513D A FR 1128513DA FR 1128513 A FR1128513 A FR 1128513A
Authority
FR
France
Prior art keywords
magnetic recording
recording method
magnetic
recording
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
Other languages
French (fr)
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.)
Armour Research Foundation
Original Assignee
Armour Research Foundation
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 Armour Research Foundation filed Critical Armour Research Foundation
Application granted granted Critical
Publication of FR1128513A publication Critical patent/FR1128513A/en
Expired legal-status Critical Current

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
    • G11B5/48Disposition 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
    • G11B5/488Disposition of heads
    • 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
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • 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
    • G11B5/48Disposition 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)
FR1128513D 1954-04-08 1955-04-06 Improvements to a magnetic recording method and apparatus Expired FR1128513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1128513XA 1954-04-08 1954-04-08

Publications (1)

Publication Number Publication Date
FR1128513A true FR1128513A (en) 1957-01-07

Family

ID=22346171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1128513D Expired FR1128513A (en) 1954-04-08 1955-04-06 Improvements to a magnetic recording method and apparatus

Country Status (2)

Country Link
BE (1) BE537187A (en)
FR (1) FR1128513A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067061A1 (en) * 1981-06-08 1982-12-15 Hitachi, Ltd. Azimuthal magnetic recording and reproducing apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092692A (en) * 1959-07-13 1963-06-04 Zenith Radio Corp Magnetic transcriber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067061A1 (en) * 1981-06-08 1982-12-15 Hitachi, Ltd. Azimuthal magnetic recording and reproducing apparatus

Also Published As

Publication number Publication date
BE537187A (en)

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