IT1203916B - Sistema di comando per microdischi rigidi con azionatore a bobina audio rotante - Google Patents

Sistema di comando per microdischi rigidi con azionatore a bobina audio rotante

Info

Publication number
IT1203916B
IT1203916B IT20154/87A IT2015487A IT1203916B IT 1203916 B IT1203916 B IT 1203916B IT 20154/87 A IT20154/87 A IT 20154/87A IT 2015487 A IT2015487 A IT 2015487A IT 1203916 B IT1203916 B IT 1203916B
Authority
IT
Italy
Prior art keywords
control system
coil actuator
audio coil
rigid micro
rotating audio
Prior art date
Application number
IT20154/87A
Other languages
English (en)
Italian (it)
Other versions
IT8720154A0 (it
Inventor
Brian David Chalmers
Colin Alexander Mackenzie
Kishore Kamur Kapoor
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.)
Filing date
Publication date
Application filed by Rodime Plc filed Critical Rodime Plc
Publication of IT8720154A0 publication Critical patent/IT8720154A0/it
Application granted granted Critical
Publication of IT1203916B publication Critical patent/IT1203916B/it

Links

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
IT20154/87A 1986-04-23 1987-04-16 Sistema di comando per microdischi rigidi con azionatore a bobina audio rotante IT1203916B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8720154A0 IT8720154A0 (it) 1987-04-16
IT1203916B true IT1203916B (it) 1989-02-23

Family

ID=25319959

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20154/87A IT1203916B (it) 1986-04-23 1987-04-16 Sistema di comando per microdischi rigidi con azionatore a bobina audio rotante

Country Status (5)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0453081A (ja) * 1990-06-20 1992-02-20 Tokico Ltd 磁気ディスク装置
JP2850603B2 (ja) * 1991-11-14 1999-01-27 松下電器産業株式会社 磁気記録再生装置
SG44367A1 (en) * 1992-03-10 1997-12-19 Ibm Disk drive system
JPH06215553A (ja) * 1992-11-13 1994-08-05 Internatl Business Mach Corp <Ibm> 取り外し可能なディスクドライブ・キャリア・アセンブリ
KR100374900B1 (ko) * 1997-09-05 2003-03-06 시게이트 테크놀로지 엘엘씨 표준보다 작은 디스크를 가지는 고 성능 표준 구조의디스크 드라이브

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346416A (en) * 1980-02-29 1982-08-24 Digital Equipment Corporation Rotary actuator assembly for disk drive head positioner
NL8102521A (nl) * 1981-05-22 1982-12-16 Philips Nv Draagarminrichting voor magneetschijfgeheugeninrichting.
FR2534054A1 (fr) * 1982-09-30 1984-04-06 Kennedy Cy Unite de disques magnetiques
JPS5994280A (ja) * 1982-11-19 1984-05-30 Nec Corp 密封型磁気デイスク装置
JPS6010466A (ja) * 1983-06-30 1985-01-19 Nec Corp 磁気デイスク装置
JPS6064468U (ja) * 1983-10-05 1985-05-07 富士通株式会社 磁気デイスク装置
JPS60151878A (ja) * 1984-01-19 1985-08-09 Nippon Shiyuuhenki Kk 固定密閉型磁気デイスク装置
DE3404223A1 (de) * 1984-02-07 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Gehaeuse fuer einen magnetplattenspeicher mit beidseitig gelagertem plattenstapel
US4631431A (en) * 1984-07-30 1986-12-23 Priam Corporation Linear motor having improved magnetic characteristics

Also Published As

Publication number Publication date
JPH0512795B2 (cs) 1993-02-18
GB2190531B (en) 1990-09-12
GB2190531A (en) 1987-11-18
IT8720154A0 (it) 1987-04-16
GB8707365D0 (en) 1987-04-29
DE3713321C2 (de) 1995-09-21
FR2613112A1 (fr) 1988-09-30
DE3713321A1 (de) 1987-10-29
JPS63146286A (ja) 1988-06-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970423