DK109749C - Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere. - Google Patents

Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere.

Info

Publication number
DK109749C
DK109749C DK637864AA DK637864A DK109749C DK 109749 C DK109749 C DK 109749C DK 637864A A DK637864A A DK 637864AA DK 637864 A DK637864 A DK 637864A DK 109749 C DK109749 C DK 109749C
Authority
DK
Denmark
Prior art keywords
vcrs
manufacturing
head rotating
magnetic head
several
Prior art date
Application number
DK637864AA
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK109749C publication Critical patent/DK109749C/da

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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • 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
    • 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
    • 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
    • Y10T29/49009—Dynamoelectric machine
    • Y10T29/49011—Commutator or slip ring assembly
    • 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.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Magnetic Heads (AREA)
DK637864AA 1963-12-31 1964-12-28 Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere. DK109749C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL302797 1963-12-31

Publications (1)

Publication Number Publication Date
DK109749C true DK109749C (da) 1968-06-24

Family

ID=19755337

Family Applications (1)

Application Number Title Priority Date Filing Date
DK637864AA DK109749C (da) 1963-12-31 1964-12-28 Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere.

Country Status (9)

Country Link
US (1) US3330033A (da)
AT (1) AT248508B (da)
BE (1) BE657715A (da)
CH (1) CH438776A (da)
DK (1) DK109749C (da)
ES (1) ES307661A1 (da)
FR (1) FR1419378A (da)
GB (1) GB1031280A (da)
NL (1) NL144807B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384954A (en) * 1965-12-07 1968-05-28 Ibm Making multitrack magnetic transducer
US4509084A (en) * 1981-05-11 1985-04-02 Tokyo Shibaura Denki Kabushiki Kaisha Rotary magnetic head
JPH0734249B2 (ja) * 1989-02-01 1995-04-12 シャープ株式会社 磁気記憶装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL57170C (da) * 1938-08-26
US2938731A (en) * 1956-06-29 1960-05-31 Richard C Meyer Tape recorders
NL110074C (da) * 1958-04-12
DE1102803B (de) * 1958-10-20 1961-03-23 Siemens Ag Einrichtung zur magnetischen Speicherung von Fernsehsignalen
US3229355A (en) * 1962-01-02 1966-01-18 Ibm Method of making a magnetic transducer head

Also Published As

Publication number Publication date
GB1031280A (en) 1966-06-02
CH438776A (de) 1967-06-30
NL302797A (da)
US3330033A (en) 1967-07-11
NL144807B (nl) 1975-01-15
BE657715A (da) 1965-06-29
AT248508B (de) 1966-08-10
ES307661A1 (es) 1965-04-16
FR1419378A (fr) 1965-11-26

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