CA2108703A1 - Lecteur de disques magnetiques - Google Patents

Lecteur de disques magnetiques

Info

Publication number: CA2108703A1
Authority: CA; Canada
Prior art keywords: disk drive; assembly; disk; head; temperature
Prior art date: 1992-12-23
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 2108703

Other languages

English (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.)

1992-12-23

Filing date

1993-10-19

Publication date

1994-06-24

1993-10-19 Application filed by Raymond Engineering Inc filed Critical Raymond Engineering Inc

1994-06-24 Publication of CA2108703A1 publication Critical patent/CA2108703A1/fr

Status Abandoned legal-status Critical Current

Links

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230000020347 spindle assembly Effects 0.000 claims abstract description 16
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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)

CA 2108703 1992-12-23 1993-10-19 Lecteur de disques magnetiques Abandoned CA2108703A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US99516692A	1992-12-23	1992-12-23
US995,166		1992-12-23

Publications (1)

Publication Number	Publication Date
CA2108703A1 true CA2108703A1 (fr)	1994-06-24

Family

ID=25541466

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2108703 Abandoned CA2108703A1 (fr)	1992-12-23	1993-10-19	Lecteur de disques magnetiques

Country Status (4)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19511299A1 (de) *	1995-03-28	1996-10-02	Roland Man Druckmasch	Verfahren zum Betreiben eines Rechnerlaufwerkes
JPH09265771A (ja) *	1996-03-26	1997-10-07	Fujitsu Ltd	記憶装置
AU1104600A (en)	1998-10-13	2000-05-01	Avid Technology, Inc.	Disk drive enclosure
JP2003077240A (ja) *	2001-08-30	2003-03-14	Toshiba Corp	ディスク装置及び同装置におけるヘッドロード制御方法
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 (fr) *	1977-05-02	1980-08-14	Philips Ind Commerciale
US4456934A (en) *	1982-05-10	1984-06-26	Kollmorgen Technologies Corporation	Linear positioning system
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
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 (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

1993
- 1993-10-19 CA CA 2108703 patent/CA2108703A1/fr not_active Abandoned
- 1993-12-06 JP JP30520693A patent/JPH0714361A/ja active Pending
- 1993-12-20 FR FR9315615A patent/FR2699720A1/fr active Pending
- 1993-12-23 GB GB9326380A patent/GB2273811A/en not_active Withdrawn

Also Published As

Publication number	Publication date
JPH0714361A (ja)	1995-01-17
GB2273811A (en)	1994-06-29
FR2699720A1 (fr)	1994-06-24
GB9326380D0 (en)	1994-02-23

Legal Events

Date	Code	Title	Description
1996-04-21	FZDE	Dead

Publication	Publication Date	Title
US6850385B1 (en)	2005-02-01	Repeated servo runout error compensation in a disc drive
US5521772A (en)	1996-05-28	Disk drive with accerleration rate sensing
US4969059A (en)	1990-11-06	Offset nulling system for computer disk drives
US7023640B1 (en)	2006-04-04	Acceleration disturbance detection subsystem for use with disk drives
USRE32075E (en)	1986-01-28	Data transducer position control system for rotating disk data storage equipment
US4516177A (en)	1985-05-07	Rotating rigid disk data storage device
GB2083926A (en)	1982-03-31	Improved data transducer trackfinding and position control system for rotating disk data storage equipmewnt
JPS61282919A (ja)	1986-12-13	モジユ−ラユニタリデイスクフアイルサブシステム
US4660106A (en)	1987-04-21	Data transducer position control system for rotating disk data storage equipment
HK1004578B (en)	1998-11-27	Disk drive apparatus
US4814909A (en)	1989-03-21	Data transducer position control system for rotating disk data storage equipment
US6222336B1 (en)	2001-04-24	Rotational vibration detection using spindle motor velocity sense coils
US6288879B1 (en)	2001-09-11	Top down assembly of a disk drive actuator using a tolerance ring and a post
US6304406B1 (en)	2001-10-16	Rotational vibration compensation using a fixed head and a constant frequency pattern
EP0264535A2 (fr)	1988-04-27	Système de compensation de perturbations de secousse et de vibration pour un entraînement de disques
US4920434A (en)	1990-04-24	Fixed disk drive
US6285522B1 (en)	2001-09-04	Rotational vibration compensation using a dedicated surface with a constant frequency pattern
CA2108703A1 (fr)	1994-06-24	Lecteur de disques magnetiques
US6404580B1 (en)	2002-06-11	Writing servo data on stationary discs
US4982296A (en)	1991-01-01	Head and disk assembly for fixed disk drive
US6111720A (en)	2000-08-29	Method and apparatus for providing separate read/write velocity curves
US6583965B1 (en)	2003-06-24	Inertia ring for improved rotational vibration performance
GB2273794A (en)	1994-06-29	Magnetic disk drive unit
US5119254A (en)	1992-06-02	Data transducer position control system for rotating disk data storage equipment
US6487033B1 (en)	2002-11-26	Motor speed observer for data protection in a disc drive