GB9006377D0 - Magnetic disk apparatus control device - Google Patents

Magnetic disk apparatus control device

Info

Publication number: GB9006377D0
Authority: GB; United Kingdom
Prior art keywords: control device; magnetic disk; apparatus control; disk apparatus; magnetic
Prior art date: 1989-05-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

GB909006377A

Other versions

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.)

Tokico Ltd

Original Assignee

Tokico Ltd

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.)

1989-05-19

Filing date

1990-03-21

Publication date

1990-05-16

1990-03-21 Application filed by Tokico Ltd filed Critical Tokico Ltd

1990-05-16 Publication of GB9006377D0 publication Critical patent/GB9006377D0/en

1990-11-21 Publication of GB2231686A publication Critical patent/GB2231686A/en

Status Withdrawn legal-status Critical Current

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
- G11B5/54—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
- G11B5/5547—"Seek" control and circuits therefor

GB9006377A 1989-05-19 1990-03-21 Controlling magnetic disk apparatus Withdrawn GB2231686A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP12610489A JPH02306479A (en)	1989-05-19	1989-05-19	Magnetic disk controller

Publications (2)

Publication Number	Publication Date
GB9006377D0 true GB9006377D0 (en)	1990-05-16
GB2231686A GB2231686A (en)	1990-11-21

Family

ID=14926715

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9006377A Withdrawn GB2231686A (en)	1989-05-19	1990-03-21	Controlling magnetic disk apparatus

Country Status (3)

Country	Link
JP (1)	JPH02306479A (en)
DE (1)	DE4009476A1 (en)
GB (1)	GB2231686A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH05307819A (en) *	1992-04-28	1993-11-19	Fujitsu Ltd	Library device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5564661A (en) *	1978-11-08	1980-05-15	Toshiba Corp	Self-compensator for magnetic disk memory unit
US4333117A (en) *	1980-06-30	1982-06-01	Magnetic Peripherals Inc.	Disc head arm position controller using digital velocity sensing
JPS59217272A (en) *	1983-05-23	1984-12-07	Toshiba Corp	Magnetic head controller

1989
- 1989-05-19 JP JP12610489A patent/JPH02306479A/en active Pending
1990
- 1990-03-21 GB GB9006377A patent/GB2231686A/en not_active Withdrawn
- 1990-03-23 DE DE19904009476 patent/DE4009476A1/en not_active Ceased

Also Published As

Publication number	Publication date
GB2231686A (en)	1990-11-21
DE4009476A1 (en)	1990-11-22
JPH02306479A (en)	1990-12-19

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Legal Events

Date	Code	Title	Description
1992-01-08	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)