NL7003180A - - Google Patents

Info

Publication number
NL7003180A
NL7003180A NL7003180A NL7003180A NL7003180A NL 7003180 A NL7003180 A NL 7003180A NL 7003180 A NL7003180 A NL 7003180A NL 7003180 A NL7003180 A NL 7003180A NL 7003180 A NL7003180 A NL 7003180A
Authority
NL
Netherlands
Application number
NL7003180A
Other versions
NL162495B (nl
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 NL7003180A publication Critical patent/NL7003180A/xx
Publication of NL162495B publication Critical patent/NL162495B/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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F2700/00—Tobacco pipes; Bad-covers or accessories for smokers' pipes
    • A24F2700/03—Pipes with cooling or zigzag circulation of the smoke
    • 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]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL7003180.A 1969-03-10 1970-03-05 Meerkanaals magneetkop. NL162495B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1968069A JPS5345685B1 (de) 1969-03-10 1969-03-10

Publications (2)

Publication Number Publication Date
NL7003180A true NL7003180A (de) 1970-09-14
NL162495B NL162495B (nl) 1979-12-17

Family

ID=12005933

Family Applications (2)

Application Number Title Priority Date Filing Date
NL7003180.A NL162495C (nl) 1969-03-10 Meerkanaals magneetkop.
NL7003180.A NL162495B (nl) 1969-03-10 1970-03-05 Meerkanaals magneetkop.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL7003180.A NL162495C (nl) 1969-03-10 Meerkanaals magneetkop.

Country Status (7)

Country Link
US (1) US3672044A (de)
JP (1) JPS5345685B1 (de)
CA (1) CA930062A (de)
DE (1) DE2011558C3 (de)
FR (1) FR2037828A5 (de)
GB (1) GB1307608A (de)
NL (2) NL162495B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1340422A (en) * 1971-01-26 1973-12-12 Int Computers Ltd Methods of making cores for magnetic recording and reproducing heads
US3851375A (en) * 1972-05-08 1974-12-03 Philips Corp Method of bonding together mouldings of sintered oxidic ferromagnetic material
FR2194012B1 (de) * 1972-07-26 1974-12-27 Sfim
NL7304528A (de) * 1973-03-31 1974-10-02
US4533967A (en) * 1982-10-22 1985-08-06 Ampex Corporation Multiple leg multichannel magnetic transducer structure and method of manufacturing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278197A (de) * 1962-05-08
US3353261A (en) * 1964-12-30 1967-11-21 Ibm Method of making a multitrack magnetic transducer head
NL149020B (nl) * 1965-01-14 1976-03-15 Philips Nv Werkwijze voor het vervaardigen van een poolschoeneenheid voor een magneetkop, alsmede poolschoeneenheid, vervaardigd volgens deze werkwijze.
US3543396A (en) * 1967-01-17 1970-12-01 Zbigniew Illg Method of multi-track,two-gap,ferrite magnetic heads designed especially for digital recording

Also Published As

Publication number Publication date
DE2011558A1 (de) 1970-11-19
CA930062A (en) 1973-07-10
DE2011558C3 (de) 1980-07-10
GB1307608A (en) 1973-02-21
NL162495B (nl) 1979-12-17
DE2011558B2 (de) 1979-09-27
US3672044A (en) 1972-06-27
FR2037828A5 (de) 1970-12-31
NL162495C (nl)
JPS5345685B1 (de) 1978-12-08

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent