SG150894G - Method and circuitry to suppress additive disturbances in data channels containing MR sensors - Google Patents

Method and circuitry to suppress additive disturbances in data channels containing MR sensors

Info

Publication number
SG150894G
SG150894G SG150894A SG150894A SG150894G SG 150894 G SG150894 G SG 150894G SG 150894 A SG150894 A SG 150894A SG 150894 A SG150894 A SG 150894A SG 150894 G SG150894 G SG 150894G
Authority
SG
Singapore
Prior art keywords
circuitry
sensors
data channels
channels containing
additive disturbances
Prior art date
Application number
SG150894A
Other languages
English (en)
Inventor
Stephen Alan Jove
Klaas Berend Klaasen
Peppen Jacobus Cornelis Van
Original Assignee
Ibm
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
Priority to US07/226,634 priority Critical patent/US4914398A/en
Priority to CA000600082A priority patent/CA1330832C/en
Priority to JP1141290A priority patent/JPH0816964B2/ja
Priority to DE68914744T priority patent/DE68914744T2/de
Priority to EP89306362A priority patent/EP0353852B1/de
Priority to AU39158/89A priority patent/AU617840B2/en
Application filed by Ibm filed Critical Ibm
Priority to SG150894A priority patent/SG150894G/en
Publication of SG150894G publication Critical patent/SG150894G/en

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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • 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
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
  • Measuring Magnetic Variables (AREA)
SG150894A 1988-08-01 1994-10-17 Method and circuitry to suppress additive disturbances in data channels containing MR sensors SG150894G (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US07/226,634 US4914398A (en) 1988-08-01 1988-08-01 Method and circuitry to suppress additive disturbances in data channels containing MR sensors
CA000600082A CA1330832C (en) 1988-08-01 1989-05-18 Method and circuitry to suppress additive disturbances in data channels containing magneto-resistive sensors
JP1141290A JPH0816964B2 (ja) 1988-08-01 1989-06-05 データ信号の攪乱低減回路
DE68914744T DE68914744T2 (de) 1988-08-01 1989-06-23 Verfahren und Schaltung zur Unterdrückung von additiven Fehlern in magnetoresistiven Sensoren enthaltenden Datenkanälen.
EP89306362A EP0353852B1 (de) 1988-08-01 1989-06-23 Verfahren und Schaltung zur Unterdrückung von additiven Fehlern in magnetoresistiven Sensoren enthaltenden Datenkanälen
AU39158/89A AU617840B2 (en) 1988-08-01 1989-08-01 Method and circuitry to suppress additive disturbances in data channels containing mr sensors
SG150894A SG150894G (en) 1988-08-01 1994-10-17 Method and circuitry to suppress additive disturbances in data channels containing MR sensors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/226,634 US4914398A (en) 1988-08-01 1988-08-01 Method and circuitry to suppress additive disturbances in data channels containing MR sensors
SG150894A SG150894G (en) 1988-08-01 1994-10-17 Method and circuitry to suppress additive disturbances in data channels containing MR sensors

Publications (1)

Publication Number Publication Date
SG150894G true SG150894G (en) 1995-03-17

Family

ID=26664436

Family Applications (1)

Application Number Title Priority Date Filing Date
SG150894A SG150894G (en) 1988-08-01 1994-10-17 Method and circuitry to suppress additive disturbances in data channels containing MR sensors

Country Status (7)

Country Link
US (1) US4914398A (de)
EP (1) EP0353852B1 (de)
JP (1) JPH0816964B2 (de)
AU (1) AU617840B2 (de)
CA (1) CA1330832C (de)
DE (1) DE68914744T2 (de)
SG (1) SG150894G (de)

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US5818656A (en) * 1996-03-12 1998-10-06 International Business Machines Corporation Circuitry for correction of thermal transients in the analog signal from a magnetoresistive sensor
US6038090A (en) 1996-04-03 2000-03-14 International Business Machines Corporation Method and apparatus for improving baseline recovery of an MR head using a programmable recovery time constant
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US5914630A (en) * 1996-05-10 1999-06-22 Vtc Inc. MR head preamplifier with output signal amplitude which is independent of head resistance
JP3139964B2 (ja) * 1996-06-24 2001-03-05 株式会社東芝 Ｍｒヘッド用いた磁気ディスク装置及びこの装置におけるサーボ処理方法
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Also Published As

Publication number Publication date
JPH0816964B2 (ja) 1996-02-21
JPH0254403A (ja) 1990-02-23
AU617840B2 (en) 1991-12-05
CA1330832C (en) 1994-07-19
DE68914744D1 (de) 1994-05-26
AU3915889A (en) 1990-02-08
US4914398A (en) 1990-04-03
DE68914744T2 (de) 1994-11-24
EP0353852B1 (de) 1994-04-20
EP0353852A3 (de) 1991-07-31
EP0353852A2 (de) 1990-02-07

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