FR1245276A - Procédé pour orienter dans un plan les fentes d'un certain nombre de têtes de magnétophone - Google Patents

Procédé pour orienter dans un plan les fentes d'un certain nombre de têtes de magnétophone

Info

Publication number
FR1245276A
FR1245276A FR815640A FR815640A FR1245276A FR 1245276 A FR1245276 A FR 1245276A FR 815640 A FR815640 A FR 815640A FR 815640 A FR815640 A FR 815640A FR 1245276 A FR1245276 A FR 1245276A
Authority
FR
France
Prior art keywords
orienting
slits
plane
tape recorder
recorder heads
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
FR815640A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1245276A publication Critical patent/FR1245276A/fr
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
    • G11B5/127—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
    • G11B5/295—Manufacture
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y10T29/4905—Employing workholding means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49078—Laminated

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR815640A 1959-01-15 1960-01-14 Procédé pour orienter dans un plan les fentes d'un certain nombre de têtes de magnétophone Expired FR1245276A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235174 1959-01-15

Publications (1)

Publication Number Publication Date
FR1245276A true FR1245276A (fr) 1960-11-04

Family

ID=19751518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815640A Expired FR1245276A (fr) 1959-01-15 1960-01-14 Procédé pour orienter dans un plan les fentes d'un certain nombre de têtes de magnétophone

Country Status (6)

Country Link
US (1) US3058200A (fr)
AT (1) AT221287B (fr)
BE (1) BE586521A (fr)
DE (1) DE1868346U (fr)
FR (1) FR1245276A (fr)
GB (1) GB900507A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390451A (en) * 1962-05-04 1968-07-02 Philips Corp Multi-track magnetic heads and their method of manufacture

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239914A (en) * 1959-11-13 1966-03-15 Sony Corp Method of making magnetic heads
US3224073A (en) * 1962-05-09 1965-12-21 Philips Corp Method of making multi-track magnetic heads
US3412217A (en) * 1965-01-27 1968-11-19 Bygdnes Perry Alan Recorder head with electrically conductive filler wedge
JPS55117728A (en) * 1979-03-06 1980-09-10 Victor Co Of Japan Ltd Magnetic head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499360A (fr) * 1949-11-16
US2706752A (en) * 1950-05-06 1955-04-19 Olin L Dupy Magnetic head
US2769866A (en) * 1951-06-08 1956-11-06 Clevite Corp Magnetic transducer head
US2921143A (en) * 1955-05-31 1960-01-12 Ampex Multiple channel head assembly
US2872530A (en) * 1955-06-02 1959-02-03 Rca Corp Magnetic record transducer
US2916560A (en) * 1955-07-30 1959-12-08 Mathez Robert Sound head of a magnetic tape recorder
AT201310B (de) * 1956-07-26 1958-12-27 Philips Nv Verfahren zum Herstellen von Köpfen für Magnettongeräte
GB852533A (en) * 1956-07-26 1960-10-26 Philips Electrical Ind Ltd Improvements relating to magnetic recording and reproducing heads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390451A (en) * 1962-05-04 1968-07-02 Philips Corp Multi-track magnetic heads and their method of manufacture

Also Published As

Publication number Publication date
AT221287B (de) 1962-05-10
BE586521A (fr) 1960-07-13
US3058200A (en) 1962-10-16
DE1868346U (de) 1963-03-07
GB900507A (en) 1962-07-04

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