FR2326845A7 - Tete magnetique pour pistes d'enregistrement extremement etroites - Google Patents

Tete magnetique pour pistes d'enregistrement extremement etroites

Info

Publication number
FR2326845A7
FR2326845A7 FR7615747A FR7615747A FR2326845A7 FR 2326845 A7 FR2326845 A7 FR 2326845A7 FR 7615747 A FR7615747 A FR 7615747A FR 7615747 A FR7615747 A FR 7615747A FR 2326845 A7 FR2326845 A7 FR 2326845A7
Authority
FR
France
Prior art keywords
ferrite core
magnetic head
recording tracks
core halves
reduced thickness
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
FR7615747A
Other languages
English (en)
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.)
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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 Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Application granted granted Critical
Publication of FR2326845A7 publication Critical patent/FR2326845A7/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR7615747A 1975-10-03 1976-05-25 Tete magnetique pour pistes d'enregistrement extremement etroites Expired FR2326845A7 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757531422 DE7531422U (de) 1975-10-03 1975-10-03 Magnetkopf für extrem schmale Aufzeichnungsspurbreiten

Publications (1)

Publication Number Publication Date
FR2326845A7 true FR2326845A7 (fr) 1977-04-29

Family

ID=6656269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7615747A Expired FR2326845A7 (fr) 1975-10-03 1976-05-25 Tete magnetique pour pistes d'enregistrement extremement etroites

Country Status (5)

Country Link
BE (1) BE841128A (cs)
CH (1) CH600475A5 (cs)
DE (1) DE7531422U (cs)
FR (1) FR2326845A7 (cs)
NL (1) NL7610786A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128625A1 (en) * 1983-06-13 1984-12-19 Koninklijke Philips Electronics N.V. Magnetic transducing head for writing information on high-coercive recording media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128625A1 (en) * 1983-06-13 1984-12-19 Koninklijke Philips Electronics N.V. Magnetic transducing head for writing information on high-coercive recording media

Also Published As

Publication number Publication date
CH600475A5 (cs) 1978-06-15
DE7531422U (de) 1976-03-25
BE841128A (fr) 1976-08-16
NL7610786A (nl) 1977-04-05

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Legal Events

Date Code Title Description
ST Notification of lapse