HK14997A - Multitrack magnetic read head - Google Patents

Multitrack magnetic read head

Info

Publication number
HK14997A
HK14997A HK14997A HK14997A HK14997A HK 14997 A HK14997 A HK 14997A HK 14997 A HK14997 A HK 14997A HK 14997 A HK14997 A HK 14997A HK 14997 A HK14997 A HK 14997A
Authority
HK
Hong Kong
Prior art keywords
read head
magnetic read
multitrack magnetic
multitrack
head
Prior art date
Application number
HK14997A
Other languages
English (en)
Inventor
Joseph Colineau
Jean-Marc Coutellier
Original Assignee
Thomson Csf
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 filed Critical Thomson Csf
Publication of HK14997A publication Critical patent/HK14997A/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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • G11B5/3958—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • 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
HK14997A 1989-12-22 1997-02-05 Multitrack magnetic read head HK14997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8917082A FR2656454B1 (fr) 1989-12-22 1989-12-22 Tete de lecture multipiste.

Publications (1)

Publication Number Publication Date
HK14997A true HK14997A (en) 1997-02-14

Family

ID=9388885

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14997A HK14997A (en) 1989-12-22 1997-02-05 Multitrack magnetic read head

Country Status (7)

Country Link
US (1) US5420734A (de)
EP (1) EP0434547B1 (de)
JP (1) JPH04271004A (de)
KR (1) KR100231083B1 (de)
DE (1) DE69020523T2 (de)
FR (1) FR2656454B1 (de)
HK (1) HK14997A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5883750A (en) * 1992-12-22 1999-03-16 Thomson-Csf Method and system for the magnetic recording of information elements and information medium by providing current correction for cross-talk magnetic flux
FR2723242B1 (fr) * 1994-07-26 1996-08-30 Thomson Csf Tete magnetique a element saturable et dispositif matriciel comportant un ensemble de tetes magnetiques
FR2727555B1 (fr) * 1994-11-25 1996-12-20 Thomson Csf Tete magnetique d'enregistrement/lecture et son procede de realisation
US5552950A (en) * 1994-11-30 1996-09-03 International Business Machines Corporation Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line
DE19535089A1 (de) * 1995-09-21 1997-03-27 Thomson Brandt Gmbh Verfahren zur Aufzeichnung von digitalen Signalen auf einem Magnetband in Multilängsspuren sowie Magnetbandaufzeichnungsgerät zur Durchführung des Verfahrens
DE19852037A1 (de) * 1998-11-11 2000-05-18 Thomson Brandt Gmbh Magnetbandgerät mit Treiberschaltung für Matrixkopf
DE69906822T2 (de) 1999-07-09 2004-01-29 Thales Paris Spurfolgesystem zur aufzeichnung/wiedergabe eines informationsträgers und aufzeichnungsträger
US20140177102A1 (en) 2012-12-21 2014-06-26 Seagate Technology Llc Multi-reader method and apparatus
US9373355B1 (en) 2015-01-30 2016-06-21 Seagate Technology Llc Compensating for interference via a multi-reader system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668670A (en) * 1969-10-27 1972-06-06 Robert D Andersen Methods and means for recording and reading magnetic imprints
US3987485A (en) * 1973-02-20 1976-10-19 Matsushita Electric Industrial Co., Ltd. Magnetic head with thin film components
US4052748A (en) * 1974-04-01 1977-10-04 U.S. Philips Corporation Magnetoresistive magnetic head
US3932731A (en) * 1974-08-02 1976-01-13 Bell Telephone Laboratories, Incorporated Code converter
US4065797A (en) * 1974-12-20 1977-12-27 Matsushita Electric Industrial Co., Ltd. Multi-element magnetic head
CA1076252A (en) * 1975-04-14 1980-04-22 Frederik W. Gorter Magnetoresistive head
NL168981C (nl) * 1975-04-15 1982-05-17 Philips Nv Magnetoweerstand leeskop.
US4047236A (en) * 1975-05-09 1977-09-06 Honeywell Information Systems Inc. Supersensitive magnetoresistive sensor for high density magnetic read head
NL7510306A (en) * 1975-09-02 1975-11-28 Selective recording of data on magnetic tapes with magnetic heads - has writing elements activated via selective circuits with symmetrical threshold voltages
JPS5298510A (en) * 1976-02-14 1977-08-18 Toshiba Corp Multichannel magnetic head
FR2393318A1 (fr) * 1977-06-02 1978-12-29 Cii Honeywell Bull Dispositif de detection de champ magnetique
JPS5421315A (en) * 1977-07-18 1979-02-17 Mitsubishi Electric Corp Magnetic recorder
JPS554738A (en) * 1978-06-23 1980-01-14 Mitsubishi Electric Corp Magnetoresistance effect type magnetic head
JPS5552521A (en) * 1978-10-06 1980-04-17 Agency Of Ind Science & Technol Magnetic recording head
FR2443733A1 (fr) * 1978-12-08 1980-07-04 Thomson Csf Tete de lecture magnetique et lecteur muni d'une telle tete
US4356523A (en) * 1980-06-09 1982-10-26 Ampex Corporation Narrow track magnetoresistive transducer assembly
FR2508203A1 (fr) * 1981-06-19 1982-12-24 Cii Honeywell Bull Dispositif de transduction magnetoresistant de lecture d'informations codees a faible densite
JPS57208624A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Magneto-resistance effect head
CA1209260A (en) * 1982-10-29 1986-08-05 Tetsuo Sekiya Magnetic transducer head using magnetroresistance effect
CA1248222A (en) * 1984-08-27 1989-01-03 Yutaka Souda Magnetic transducer head utilizing magnetoresistance effect
JPS61102520A (ja) * 1984-10-24 1986-05-21 Canon Inc 磁気センサ−装置
JPH0664905B2 (ja) * 1984-12-26 1994-08-22 日本電気株式会社 固体磁気メモリ−素子及びその記録再生方法
FR2612676B1 (fr) * 1987-03-19 1993-12-31 Commissariat A Energie Atomique Tete magnetique de lecture pour piste de tres faible largeur et procede de fabrication
US5107385A (en) * 1989-11-16 1992-04-21 Applied Magnetics Corporation Read head assembly for multiple-width tracks

Also Published As

Publication number Publication date
FR2656454B1 (fr) 1995-07-21
KR910013065A (ko) 1991-08-08
FR2656454A1 (fr) 1991-06-28
EP0434547A1 (de) 1991-06-26
US5420734A (en) 1995-05-30
JPH04271004A (ja) 1992-09-28
DE69020523D1 (de) 1995-08-03
KR100231083B1 (ko) 1999-11-15
DE69020523T2 (de) 1995-11-30
EP0434547B1 (de) 1995-06-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)