JPS50457B1 - - Google Patents

Info

Publication number
JPS50457B1
JPS50457B1 JP45033064A JP3306470A JPS50457B1 JP S50457 B1 JPS50457 B1 JP S50457B1 JP 45033064 A JP45033064 A JP 45033064A JP 3306470 A JP3306470 A JP 3306470A JP S50457 B1 JPS50457 B1 JP S50457B1
Authority
JP
Japan
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.)
Pending
Application number
JP45033064A
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 filed Critical
Publication of JPS50457B1 publication Critical patent/JPS50457B1/ja
Pending 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than 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
    • G11B5/58—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Signal Processing (AREA)
  • Magnetic Heads (AREA)
  • Digital Magnetic Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP45033064A 1969-05-28 1970-04-20 Pending JPS50457B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82854769A 1969-05-28 1969-05-28

Publications (1)

Publication Number Publication Date
JPS50457B1 true JPS50457B1 (ja) 1975-01-09

Family

ID=25252130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45033064A Pending JPS50457B1 (ja) 1969-05-28 1970-04-20

Country Status (6)

Country Link
US (1) US3591733A (ja)
JP (1) JPS50457B1 (ja)
AU (1) AU1481370A (ja)
CH (1) CH503343A (ja)
GB (1) GB1307861A (ja)
NL (1) NL7006433A (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959824A (en) * 1970-11-30 1976-05-25 Tohoku Metal Industries Limited Two gap read/write head assembly
US4008493A (en) * 1975-07-11 1977-02-15 Pizzuto John N Magnetic head structure with minimum feedthrough
US4291352A (en) * 1980-02-27 1981-09-22 Ampex Corporation Multichannel transducer structure with improved interchannel cross talk rejection
US5245494A (en) * 1991-07-15 1993-09-14 Hogan John W Write-read magnetic recording head
US5392321A (en) * 1994-01-24 1995-02-21 Westinghouse Electric Corporation Method and system for magnetic coupling compensating a rod position indication system
US5568528A (en) * 1994-11-21 1996-10-22 Westinghouse Electric Corporation Method and system for compensating a rod position indication system for non-linearity
JP2001023138A (ja) * 1999-07-02 2001-01-26 Fujitsu Ltd ヘッドアセンブリ及びこれを備えたディスク装置
US7295694B2 (en) * 2002-02-22 2007-11-13 International Business Machines Corporation MICR-based optical character recognition system and method
US8134801B2 (en) * 2007-03-19 2012-03-13 Dimambro Bryan Electromagnetic data storage devices
US9007718B2 (en) 2010-05-10 2015-04-14 International Business Machines Corporation Write head having a device for reducing the effects of stray flux
US8315013B2 (en) 2010-05-10 2012-11-20 International Business Machines Corporation Magnetic write head with flux diverting structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839613A (en) * 1952-07-07 1958-06-17 Marchant Res Inc Magnetic transducer head
GB803624A (en) * 1956-06-20 1958-10-29 Emi Ltd Improvements in or relating to magnetic recording or reproducing apparatus
US3107347A (en) * 1961-07-10 1963-10-15 Sperry Rand Corp Magnetic field compensation means
US3287713A (en) * 1962-10-12 1966-11-22 Philco Corp Magnetic recording heads utilizing symmetrical windings to avoid cross talk
GB1060147A (en) * 1964-08-04 1967-03-01 Rank Bush Murphy Ltd Transducer head switching arrangements

Also Published As

Publication number Publication date
US3591733A (en) 1971-07-06
GB1307861A (en) 1973-02-21
CH503343A (de) 1971-02-15
AU1481370A (en) 1971-11-18
NL7006433A (ja) 1970-12-01

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