GB9326380D0 - Magnetic disk drive unit - Google Patents

Magnetic disk drive unit

Info

Publication number
GB9326380D0
GB9326380D0 GB939326380A GB9326380A GB9326380D0 GB 9326380 D0 GB9326380 D0 GB 9326380D0 GB 939326380 A GB939326380 A GB 939326380A GB 9326380 A GB9326380 A GB 9326380A GB 9326380 D0 GB9326380 D0 GB 9326380D0
Authority
GB
United Kingdom
Prior art keywords
drive unit
disk drive
magnetic disk
magnetic
unit
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Withdrawn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
GB939326380A
Other versions
GB2273811A (en
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Withdrawn legal-status Critical Current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
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 true GB9326380D0 (en) 1994-02-23
GB2273811A 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 (en)
CA (1) CA2108703A1 (en)
FR (1) FR2699720A1 (en)
GB (1) GB2273811A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19511299A1 (en) * 1995-03-28 1996-10-02 Roland Man Druckmasch Method for operating a computer drive
JPH09265771A (en) * 1996-03-26 1997-10-07 Fujitsu Ltd Storage device
AU1104600A (en) * 1998-10-13 2000-05-01 Avid Technology, Inc. Disk drive enclosure
JP2003077240A (en) * 2001-08-30 2003-03-14 Toshiba Corp Disk device and head loading control method for the device
US7542225B1 (en) 2006-11-17 2009-06-02 Western Digital Technologies, Inc. Disk drive idle mode responsive to flex circuit cable bias changes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389965B1 (en) * 1977-05-02 1980-08-14 Philips Ind Commerciale
US4456934A (en) * 1982-05-10 1984-06-26 Kollmorgen Technologies Corporation Linear positioning system
JPS6159676A (en) * 1984-08-29 1986-03-27 Toshiba Corp Magnetic disk device
JPS61156578A (en) * 1984-12-28 1986-07-16 Yokogawa Electric Corp Magnetic disk device
GB2229852B (en) * 1986-01-21 1991-01-23 Raymond Engineering Magnetic disc memory unit
US4731770A (en) * 1986-03-03 1988-03-15 Polaroid Corporation Method and apparatus for controlling transducer
US4974109A (en) * 1986-08-27 1990-11-27 Sony Corporation Hard disk drive employing a reference track to compensate for tracking error
JPH029066A (en) * 1988-06-28 1990-01-12 Mitsubishi Electric Corp Magnetic disk device
JPH0438776A (en) * 1990-06-01 1992-02-07 Fujitsu Ltd Magnetic disk device and method for estimating decentering amount of magnetic disk medium
US5128813A (en) * 1990-06-21 1992-07-07 Quantum Corporation Thermal compensated head positioner servo for disk drive

Also Published As

Publication number Publication date
CA2108703A1 (en) 1994-06-24
GB2273811A (en) 1994-06-29
JPH0714361A (en) 1995-01-17
FR2699720A1 (en) 1994-06-24

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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)