GB2190531B - Rotary voice coil actuator microhard disk drive system. - Google Patents

Rotary voice coil actuator microhard disk drive system.

Info

Publication number: GB2190531B
Authority: GB; United Kingdom
Prior art keywords: microhard; disk drive; drive system; voice coil; coil actuator
Prior art date: 1986-04-23
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.): Expired - Lifetime

Application number

GB8707365A

Other versions

GB2190531A (en

GB8707365D0 (en

Inventor

Brian David Chalmers

Colin Alexander Mackenzie

Kishore Kamur Kapoor

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.)

Rodime PLC

Original Assignee

Rodime PLC

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.)

1986-04-23

Filing date

1987-03-27

Publication date

1990-09-12

1987-03-27 Application filed by Rodime PLC filed Critical Rodime PLC

1987-04-29 Publication of GB8707365D0 publication Critical patent/GB8707365D0/en

1987-11-18 Publication of GB2190531A publication Critical patent/GB2190531A/en

1990-09-12 Application granted granted Critical

1990-09-12 Publication of GB2190531B publication Critical patent/GB2190531B/en

2007-03-27 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
- 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
- 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
- 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

GB8707365A 1986-04-23 1987-03-27 Rotary voice coil actuator microhard disk drive system. Expired - Lifetime GB2190531B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US85494986A	1986-04-23	1986-04-23

Publications (3)

Publication Number	Publication Date
GB8707365D0 GB8707365D0 (en)	1987-04-29
GB2190531A GB2190531A (en)	1987-11-18
GB2190531B true GB2190531B (en)	1990-09-12

Family

ID=25319959

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8707365A Expired - Lifetime GB2190531B (en)	1986-04-23	1987-03-27	Rotary voice coil actuator microhard disk drive system.

Country Status (5)

Country	Link
JP (1)	JPS63146286A (en)
DE (1)	DE3713321C2 (en)
FR (1)	FR2613112A1 (en)
GB (1)	GB2190531B (en)
IT (1)	IT1203916B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0453081A (en) *	1990-06-20	1992-02-20	Tokico Ltd	Magnetic disk device
JP2850603B2 (en) *	1991-11-14	1999-01-27	松下電器産業株式会社	Magnetic recording / reproducing device
DE69318605T2 (en) *	1992-03-10	1999-02-04	International Business Machines Corp., Armonk, N.Y.	Disk storage drive
GB2272792A (en) *	1992-11-13	1994-05-25	Ibm	Disk drive carrier assembly
GB2344927B (en) *	1997-09-05	2002-02-20	Seagate Technology	High performance standard configuration disc drive having smaller-than-standard discs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2073501A (en) *	1980-02-29	1981-10-14	Digital Equipment Corp	Rotary actuator assembly for disc drive head positioner
GB2100050A (en) *	1981-05-22	1982-12-15	Philips Nv	Carrying-arm arrangement for a magnetic-disc storage apparatus
GB2127610A (en) *	1982-09-30	1984-04-11	Kennedy Company	Magnetic disc transducer arm
EP0151256A1 (en) *	1984-02-07	1985-08-14	Siemens Aktiengesellschaft	Housing for magnetic disc memory with two sided bearing for the disc stack

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5994280A (en) *	1982-11-19	1984-05-30	Nec Corp	Tight closure type magnetic disk device
JPS6010466A (en) *	1983-06-30	1985-01-19	Nec Corp	Magnetic disc device
JPS6064468U (en) *	1983-10-05	1985-05-07	富士通株式会社	magnetic disk device
JPS60151878A (en) *	1984-01-19	1985-08-09	Nippon Shiyuuhenki Kk	Fixed hermetic type magnetic disk device
US4631431A (en) *	1984-07-30	1986-12-23	Priam Corporation	Linear motor having improved magnetic characteristics

1987
- 1987-03-27 GB GB8707365A patent/GB2190531B/en not_active Expired - Lifetime
- 1987-04-16 IT IT20154/87A patent/IT1203916B/en active
- 1987-04-21 JP JP62096365A patent/JPS63146286A/en active Granted
- 1987-04-21 DE DE3713321A patent/DE3713321C2/en not_active Expired - Fee Related
- 1987-04-23 FR FR8705764A patent/FR2613112A1/en not_active Withdrawn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2073501A (en) *	1980-02-29	1981-10-14	Digital Equipment Corp	Rotary actuator assembly for disc drive head positioner
GB2100050A (en) *	1981-05-22	1982-12-15	Philips Nv	Carrying-arm arrangement for a magnetic-disc storage apparatus
GB2127610A (en) *	1982-09-30	1984-04-11	Kennedy Company	Magnetic disc transducer arm
EP0151256A1 (en) *	1984-02-07	1985-08-14	Siemens Aktiengesellschaft	Housing for magnetic disc memory with two sided bearing for the disc stack

Also Published As

Publication number	Publication date
DE3713321A1 (en)	1987-10-29
IT1203916B (en)	1989-02-23
GB2190531A (en)	1987-11-18
IT8720154A0 (en)	1987-04-16
JPH0512795B2 (en)	1993-02-18
JPS63146286A (en)	1988-06-18
DE3713321C2 (en)	1995-09-21
GB8707365D0 (en)	1987-04-29
FR2613112A1 (en)	1988-09-30

Publication	Publication Date	Title
KR910003198B1 (en)	1991-05-22	Magnetic disc drive system
AU587965B2 (en)	1989-09-07	Disk drive system
GB2186734B (en)	1990-04-25	Disk drive
GB8709170D0 (en)	1987-05-20	Disk drive
GB2170346B (en)	1989-10-25	Disc drive rotary actuator
AU5669286A (en)	1986-10-23	Electromechanical transducer
AU585102B2 (en)	1989-06-08	Magnetic recording medium
GB8720374D0 (en)	1987-10-07	Winchester disk drive
SG42872A1 (en)	1997-10-17	Rotary actuator for disk drive assemblies
AU586601B2 (en)	1989-07-13	Magnetic recording medium
AU8239382A (en)	1982-10-14	Disk drive
AU5774486A (en)	1986-10-23	Electromechanical transducer
SU1568895A3 (en)	1990-05-30	Revolving actuator valve
GB2288056B (en)	1997-01-29	Miniature hard disk drive system
DE3762469D1 (en)	1990-05-31	DISK DRIVE.
DE3683918D1 (en)	1992-03-26	DISC DRIVE.
GB8715442D0 (en)	1987-08-05	Disk drive control system
GB8326453D0 (en)	1983-11-02	Disc drive actuator structure
GB2190531B (en)	1990-09-12	Rotary voice coil actuator microhard disk drive system.
EP0604967A3 (en)	1995-03-08	Magnetic disk drive.
DE68915713D1 (en)	1994-07-07	Low loss magnetic drive system.
IT8767704A0 (en)	1987-08-10	MAGNETIC DRIVE ACTUATOR
GB8601750D0 (en)	1986-02-26	Disc drive rotary actuator
AU4193785A (en)	1985-11-28	Rotary actuator for disc drive
KR0115899Y1 (en)	1998-04-20	Auto-ejector for disk drive

Legal Events

Date	Code	Title	Description
2004-03-10	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2005-11-30	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20050327