SG47965A1 - A method of and apparatus for detecting position error of a transducer - Google Patents

A method of and apparatus for detecting position error of a transducer

Info

Publication number
SG47965A1
SG47965A1 SG1996005728A SG1996005728A SG47965A1 SG 47965 A1 SG47965 A1 SG 47965A1 SG 1996005728 A SG1996005728 A SG 1996005728A SG 1996005728 A SG1996005728 A SG 1996005728A SG 47965 A1 SG47965 A1 SG 47965A1
Authority
SG
Singapore
Prior art keywords
transducer
position error
detecting position
detecting
error
Prior art date
Application number
SG1996005728A
Other languages
English (en)
Inventor
Gerald Lee Weispfenning
Lloyd Chambers Goss
Original Assignee
Seagate Technology
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 Seagate Technology filed Critical Seagate Technology
Publication of SG47965A1 publication Critical patent/SG47965A1/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
    • G11B5/48—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
    • G11B5/596—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 for track following on disks
    • G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
SG1996005728A 1989-09-29 1990-09-11 A method of and apparatus for detecting position error of a transducer SG47965A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41505489A 1989-09-29 1989-09-29

Publications (1)

Publication Number Publication Date
SG47965A1 true SG47965A1 (en) 1998-04-17

Family

ID=23644179

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996005728A SG47965A1 (en) 1989-09-29 1990-09-11 A method of and apparatus for detecting position error of a transducer

Country Status (5)

Country Link
EP (1) EP0420438B1 (de)
JP (1) JPH0831261B2 (de)
DE (1) DE69025840T2 (de)
PT (1) PT95441A (de)
SG (1) SG47965A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208679A (en) * 1978-02-28 1980-06-17 Digital Equipment Corporation Transducer positioning system for rotating disk drive units
US4472750A (en) * 1981-07-02 1984-09-18 Irwin Magnetic Systems, Inc. Data record with pre-recorded transducer positioning signals, and system for utilizing same
DE3382724T2 (de) * 1982-05-10 1994-06-09 Digital Equipment Corp Positioniersteuerungsverfahren mit sowohl kontinuierlichen als auch angefügten Informationen für einen Magnetplattenspeicher.
DE3326724A1 (de) * 1983-07-25 1985-02-07 Boehringer Ingelheim KG, 6507 Ingelheim In 1-stellung substituierte 4-hydroxymethyl-pyrrolidinone, verfahren zu ihrer herstellung, pharmazeutische zusammensetzungen und zwischenprodukte
US4590526A (en) * 1983-11-01 1986-05-20 Amcodyne Incorporated Method and apparatus for controlling head movement relative to a disk in an embedded servo system
US4823212A (en) * 1986-11-26 1989-04-18 Hewlett-Packard Company Sampled servo code format and system for a disc drive
EP0332056A1 (de) * 1988-03-07 1989-09-13 Siemens Aktiengesellschaft Magnetplattenspeicher mit auf einer Separaten Servooberfläche gespeicherter Positionssteuerinformation

Also Published As

Publication number Publication date
EP0420438A1 (de) 1991-04-03
DE69025840T2 (de) 1996-10-17
JPH0831261B2 (ja) 1996-03-27
JPH03205664A (ja) 1991-09-09
DE69025840D1 (de) 1996-04-18
PT95441A (pt) 1992-05-29
EP0420438B1 (de) 1996-03-13

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SG47965A1 (en) A method of and apparatus for detecting position error of a transducer