GB2273811A - Magnetic disk drive unit - Google Patents

Magnetic disk drive unit Download PDF

Info

Publication number
GB2273811A
GB2273811A GB9326380A GB9326380A GB2273811A GB 2273811 A GB2273811 A GB 2273811A GB 9326380 A GB9326380 A GB 9326380A GB 9326380 A GB9326380 A GB 9326380A GB 2273811 A GB2273811 A GB 2273811A
Authority
GB
United Kingdom
Prior art keywords
disk drive
assembly
disk
arm assembly
head
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.)
Withdrawn
Application number
GB9326380A
Other languages
English (en)
Other versions
GB9326380D0 (en
Inventor
David W Richard
Peter L Solari
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.)
Raymond Engineering Inc
Original Assignee
Raymond Engineering Inc
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 Raymond Engineering Inc filed Critical Raymond Engineering Inc
Publication of GB9326380D0 publication Critical patent/GB9326380D0/en
Publication of GB2273811A publication Critical patent/GB2273811A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/22—Supporting the heads; Supporting the sockets for plug-in heads while the head is out of operative position
    • 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
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds
    • 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
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • G11B33/144—Reducing the influence of the temperature by detection, control, regulation of the temperature
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5565—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for compensation of variations of physical parameters, e.g. temperature
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock

Landscapes

  • Moving Of Heads (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Rotational Drive Of Disk (AREA)
GB9326380A 1992-12-23 1993-12-23 Magnetic disk drive unit Withdrawn GB2273811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US99516692A 1992-12-23 1992-12-23

Publications (2)

Publication Number Publication Date
GB9326380D0 GB9326380D0 (en) 1994-02-23
GB2273811A true GB2273811A (en) 1994-06-29

Family

ID=25541466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9326380A Withdrawn GB2273811A (en) 1992-12-23 1993-12-23 Magnetic disk drive unit

Country Status (4)

Country Link
JP (1) JPH0714361A (ja)
CA (1) CA2108703A1 (ja)
FR (1) FR2699720A1 (ja)
GB (1) GB2273811A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735534A1 (de) * 1995-03-28 1996-10-02 MAN Roland Druckmaschinen AG Verfahren zum Betreiben eines Rechnerlaufwerkes
WO2000022624A1 (en) * 1998-10-13 2000-04-20 Avid Technology, Inc. Disk drive enclosure
SG108843A1 (en) * 2001-08-30 2005-02-28 Toshiba Kk Apparatus and method for head load control in disk drive
US7542225B1 (en) 2006-11-17 2009-06-02 Western Digital Technologies, Inc. Disk drive idle mode responsive to flex circuit cable bias changes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09265771A (ja) * 1996-03-26 1997-10-07 Fujitsu Ltd 記憶装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1589646A (en) * 1977-05-02 1981-05-20 Philips Nv Record player
GB2123984A (en) * 1982-05-10 1984-02-08 Kollmorgen Tech Corp Positioning system for linear motor
EP0236028A2 (en) * 1986-03-03 1987-09-09 Polaroid Corporation Method and apparatus for controlling transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159676A (ja) * 1984-08-29 1986-03-27 Toshiba Corp 磁気デイスク装置
JPS61156578A (ja) * 1984-12-28 1986-07-16 Yokogawa Electric Corp 磁気デイスク装置
GB2229852B (en) * 1986-01-21 1991-01-23 Raymond Engineering Magnetic disc memory unit
US4974109A (en) * 1986-08-27 1990-11-27 Sony Corporation Hard disk drive employing a reference track to compensate for tracking error
JPH029066A (ja) * 1988-06-28 1990-01-12 Mitsubishi Electric Corp 磁気ディスク装置
JPH0438776A (ja) * 1990-06-01 1992-02-07 Fujitsu Ltd 磁気ディスク装置及び磁気ディスク媒体偏心量推定方法
US5128813A (en) * 1990-06-21 1992-07-07 Quantum Corporation Thermal compensated head positioner servo for disk drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1589646A (en) * 1977-05-02 1981-05-20 Philips Nv Record player
GB2123984A (en) * 1982-05-10 1984-02-08 Kollmorgen Tech Corp Positioning system for linear motor
EP0236028A2 (en) * 1986-03-03 1987-09-09 Polaroid Corporation Method and apparatus for controlling transducer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735534A1 (de) * 1995-03-28 1996-10-02 MAN Roland Druckmaschinen AG Verfahren zum Betreiben eines Rechnerlaufwerkes
WO2000022624A1 (en) * 1998-10-13 2000-04-20 Avid Technology, Inc. Disk drive enclosure
US6301105B2 (en) 1998-10-13 2001-10-09 Avid Technology, Inc. Disk drive enclosure
SG108843A1 (en) * 2001-08-30 2005-02-28 Toshiba Kk Apparatus and method for head load control in disk drive
US7542225B1 (en) 2006-11-17 2009-06-02 Western Digital Technologies, Inc. Disk drive idle mode responsive to flex circuit cable bias changes

Also Published As

Publication number Publication date
FR2699720A1 (fr) 1994-06-24
JPH0714361A (ja) 1995-01-17
CA2108703A1 (en) 1994-06-24
GB9326380D0 (en) 1994-02-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)