NL145379B - Magneetkop. - Google Patents

Magneetkop.

Info

Publication number
NL145379B
NL145379B NL646400978A NL6400978A NL145379B NL 145379 B NL145379 B NL 145379B NL 646400978 A NL646400978 A NL 646400978A NL 6400978 A NL6400978 A NL 6400978A NL 145379 B NL145379 B NL 145379B
Authority
NL
Netherlands
Prior art keywords
magnet head
magnet
head
Prior art date
Application number
NL646400978A
Other languages
English (en)
Other versions
NL6400978A (nl
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of NL6400978A publication Critical patent/NL6400978A/xx
Publication of NL145379B publication Critical patent/NL145379B/nl

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
    • G11B5/48—Disposition 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
    • G11B5/52—Disposition 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 with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • 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
    • 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
    • G11B5/48—Disposition 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
    • G11B5/52—Disposition 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 with simultaneous movement of head and record carrier, e.g. rotation of head
    • 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
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49067—Specified diverse magnetic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL646400978A 1963-02-25 1964-02-06 Magneetkop. NL145379B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US260465A US3303292A (en) 1963-02-25 1963-02-25 Magnetic head assembly

Publications (2)

Publication Number Publication Date
NL6400978A NL6400978A (nl) 1964-08-26
NL145379B true NL145379B (nl) 1975-03-17

Family

ID=22989276

Family Applications (1)

Application Number Title Priority Date Filing Date
NL646400978A NL145379B (nl) 1963-02-25 1964-02-06 Magneetkop.

Country Status (3)

Country Link
US (1) US3303292A (nl)
GB (1) GB1009281A (nl)
NL (1) NL145379B (nl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360614A (en) * 1963-09-19 1967-12-26 Minnesota Mining & Mfg Shunted magnetic recording head
US3365709A (en) * 1963-12-16 1968-01-23 Ampex High permeability magnetic head assembly
US3432837A (en) * 1964-12-30 1969-03-11 Ibm Sensor magnetic head with magnetic material as a gap bridge
US3480736A (en) * 1966-09-22 1969-11-25 Gauss Electrophysics Inc Magnetic transducer
GB1248072A (en) * 1967-10-18 1971-09-29 Sony Corp Magnetic head
US3584159A (en) * 1968-02-26 1971-06-08 Matsushita Electric Ind Co Ltd Magnetic head
US3792492A (en) * 1971-03-22 1974-02-12 S Neace Air bearing multi-channel magnetic head assembly
BE790000A (fr) * 1971-10-12 1973-02-01 Ampex Tete d'enregistrement et de lecture magnetiques
JPS51135521A (en) * 1975-05-20 1976-11-24 Fuji Photo Film Co Ltd Magnetic recording reproduction device
US4115827A (en) * 1975-09-22 1978-09-19 Ampex Corporation Magnetic transducer for narrow track recording and playback
US4194227A (en) * 1977-07-19 1980-03-18 Victor Company Of Japan, Limited Composite magnetic core assembly having at least one side tip for a magnetic head
DE2804380A1 (de) * 1978-02-02 1979-08-09 Bosch Gmbh Robert Video-magnetkopf zum aufzeichnen und/oder wiedergeben eines fernsehsignals oder eines aehnlich breitbandigen signals hoher grenzfrequenz auf bzw. von einem magnetband
JPS55153142A (en) * 1979-05-15 1980-11-28 Olympus Optical Co Ltd Magnetic recording and reproducing device
US4404608A (en) * 1980-02-04 1983-09-13 Sanyo Electric Co., Ltd. Magnetic head with an improved inner core
JPS58130421A (ja) * 1982-01-28 1983-08-03 Victor Co Of Japan Ltd 磁気ヘツド及びその製造方法
DE3628950A1 (de) * 1986-08-26 1988-03-03 Grundig Emv Verfahren zur herstellung eines magnetkopfes
US4849841A (en) * 1987-04-10 1989-07-18 Irwin Magnetic Systems, Inc. Transducer head core structure with recessed magnetic closures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711945A (en) * 1953-03-04 1955-06-28 Clevite Corp Magnetic transducer head for high frequency signals
US3171903A (en) * 1960-11-21 1965-03-02 Ampex Magnetic transducer assembly

Also Published As

Publication number Publication date
NL6400978A (nl) 1964-08-26
GB1009281A (en) 1965-11-10
US3303292A (en) 1967-02-07

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: AMPEX

V4 Discontinued because of reaching the maximum lifetime of a patent