CA2109370A1 - Lecteur de disque magnetique - Google Patents

Lecteur de disque magnetique

Info

Publication number
CA2109370A1
CA2109370A1 CA 2109370 CA2109370A CA2109370A1 CA 2109370 A1 CA2109370 A1 CA 2109370A1 CA 2109370 CA2109370 CA 2109370 CA 2109370 A CA2109370 A CA 2109370A CA 2109370 A1 CA2109370 A1 CA 2109370A1
Authority
CA
Canada
Prior art keywords
disk
signal
servo
servos
disk drive
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.)
Abandoned
Application number
CA 2109370
Other languages
English (en)
Inventor
Peter L. Solari
Russell A. Gibas
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 CA2109370A1 publication Critical patent/CA2109370A1/fr
Abandoned 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • 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
    • G11B5/5565—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
    • 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
    • G11B33/1446—Reducing contamination, e.g. by dust, debris

Landscapes

  • Moving Of Heads (AREA)
  • Rotational Drive Of Disk (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
CA 2109370 1992-12-23 1993-10-27 Lecteur de disque magnetique Abandoned CA2109370A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99526392A 1992-12-23 1992-12-23
US995,263 1992-12-23

Publications (1)

Publication Number Publication Date
CA2109370A1 true CA2109370A1 (fr) 1994-06-24

Family

ID=25541597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2109370 Abandoned CA2109370A1 (fr) 1992-12-23 1993-10-27 Lecteur de disque magnetique

Country Status (4)

Country Link
JP (1) JPH06302134A (fr)
CA (1) CA2109370A1 (fr)
FR (1) FR2699721A1 (fr)
GB (1) GB2273794A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623597A (en) * 1995-06-15 1997-04-22 Elonex Ip Holdings Ltd. Secure data storage system for a computer wherein a heat transfer apparatus cools a data storage unit in a fireproof safe in absence of a fire and ceases transfer in the event of a fire
EP1163570A4 (fr) * 1999-02-19 2007-12-19 Gen Dynamics Inf Systems Inc Boitier de stockage de donnees
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516177A (en) * 1982-09-27 1985-05-07 Quantum Corporation Rotating rigid disk data storage device
US4656538A (en) * 1985-11-14 1987-04-07 Xebec Development Partners, Ltd. Disk drive control system
US4791508A (en) * 1986-01-21 1988-12-13 Raymond Engineering Inc. Magnetic disc memory unit
US4870703A (en) * 1986-12-15 1989-09-26 Raymond Engineering Inc. Magnetic disc memory unit
US5140477A (en) * 1987-06-30 1992-08-18 Kabushiki Kaisha Toshiba Magnetic disk apparatus utilizing servo-surface servo
JPH0677379B2 (ja) * 1987-09-30 1994-09-28 株式会社東芝 ディスク装置
JPH02103788A (ja) * 1988-10-11 1990-04-16 Nec Corp フロッピィディスク装置
US4965686A (en) * 1989-03-31 1990-10-23 Raymond Engineering Inc. Disc drive assembly for magnetic disc memory unit
JPH0359856A (ja) * 1989-07-28 1991-03-14 Toshiba Corp データ記録再生装置のヘッド位置決め制御装置

Also Published As

Publication number Publication date
JPH06302134A (ja) 1994-10-28
GB9326338D0 (en) 1994-02-23
FR2699721A1 (fr) 1994-06-24
GB2273794A (en) 1994-06-29

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Legal Events

Date Code Title Description
FZDE Dead