DE69424254D1 - Magnetischer Aufnahme-/Wiedergabekopf - Google Patents

Magnetischer Aufnahme-/Wiedergabekopf

Info

Publication number
DE69424254D1
DE69424254D1 DE69424254T DE69424254T DE69424254D1 DE 69424254 D1 DE69424254 D1 DE 69424254D1 DE 69424254 T DE69424254 T DE 69424254T DE 69424254 T DE69424254 T DE 69424254T DE 69424254 D1 DE69424254 D1 DE 69424254D1
Authority
DE
Germany
Prior art keywords
magnetic recording
playback head
playback
head
recording
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 - Fee Related
Application number
DE69424254T
Other languages
English (en)
Other versions
DE69424254T2 (de
Inventor
Joseph Colineau
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE69424254D1 publication Critical patent/DE69424254D1/de
Application granted granted Critical
Publication of DE69424254T2 publication Critical patent/DE69424254T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/127—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
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape
    • 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
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • G11B5/4984—Structure of specially adapted switching heads
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69424254T 1993-11-09 1994-11-04 Magnetischer Aufnahme-/Wiedergabekopf Expired - Fee Related DE69424254T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9313365A FR2712419B1 (fr) 1993-11-09 1993-11-09 Tête magnétique d'enregistrement/lecture.

Publications (2)

Publication Number Publication Date
DE69424254D1 true DE69424254D1 (de) 2000-06-08
DE69424254T2 DE69424254T2 (de) 2001-01-04

Family

ID=9452680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69424254T Expired - Fee Related DE69424254T2 (de) 1993-11-09 1994-11-04 Magnetischer Aufnahme-/Wiedergabekopf

Country Status (6)

Country Link
US (1) US5894386A (de)
EP (1) EP0652549B1 (de)
JP (1) JPH07182626A (de)
KR (1) KR100335705B1 (de)
DE (1) DE69424254T2 (de)
FR (1) FR2712419B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE237177T1 (de) 1999-07-09 2003-04-15 Thales Sa Spurfolgesystem zur aufzeichnung/wiedergabe eines informationsträgers und aufzeichnungsträger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683407A (en) * 1970-05-21 1972-08-08 Sperry Rand Corp High density magnetic recording scheme
FR2630853B1 (fr) * 1988-04-27 1995-06-02 Thomson Csf Dispositif matriciel a tetes magnetiques notamment en couches minces
FR2639137B1 (fr) * 1988-11-15 1990-12-21 Thomson Csf Tete magnetique a entrefer saturable et dispositif matriciel comportant un ensemble de telles tetes
FR2646000B1 (fr) * 1989-04-14 1995-07-21 Thomson Csf Tete magnetique statique de lecture
FR2648608B1 (fr) * 1989-06-16 1991-08-30 Thomson Csf Tete magnetique d'enregistrement multipiste a structure matricielle compacte
FR2650106B1 (fr) * 1989-07-21 1991-09-20 Thomson Csf Tete magnetique d'enregistrement multipiste a grand contraste de champ
FR2652670B1 (fr) * 1989-10-03 1995-06-23 Thomson Csf Tete de lecture magnetooptique a haute resolution.
FR2665010B1 (fr) * 1990-07-20 1992-09-18 Thomson Csf Dispositif magnetique de lecture a reseau matriciel de tetes de lecture.

Also Published As

Publication number Publication date
EP0652549B1 (de) 2000-05-03
JPH07182626A (ja) 1995-07-21
FR2712419B1 (fr) 1995-12-22
FR2712419A1 (fr) 1995-05-19
KR100335705B1 (ko) 2002-09-05
US5894386A (en) 1999-04-13
EP0652549A1 (de) 1995-05-10
DE69424254T2 (de) 2001-01-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee