GB2279800B - Magnetic head apparatus - Google Patents

Magnetic head apparatus

Info

Publication number
GB2279800B
GB2279800B GB9417710A GB9417710A GB2279800B GB 2279800 B GB2279800 B GB 2279800B GB 9417710 A GB9417710 A GB 9417710A GB 9417710 A GB9417710 A GB 9417710A GB 2279800 B GB2279800 B GB 2279800B
Authority
GB
United Kingdom
Prior art keywords
magnetic head
magnetic
head
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.)
Expired - Fee Related
Application number
GB9417710A
Other versions
GB9417710D0 (en
GB2279800A (en
Inventor
Masaru Nishimura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Priority to JP12254391A priority Critical patent/JP2922671B2/en
Priority to JP17941691A priority patent/JP2833274B2/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to GB9208410A priority patent/GB2255221B/en
Publication of GB9417710D0 publication Critical patent/GB9417710D0/en
Publication of GB2279800A publication Critical patent/GB2279800A/en
Application granted granted Critical
Publication of GB2279800B publication Critical patent/GB2279800B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012Recording on, or reproducing or erasing from, magnetic disks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/488Disposition of heads
    • G11B5/4886Disposition of heads relative to rotating disc
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/54Disposition 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
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5521Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
GB9417710A 1991-04-25 1992-04-16 Magnetic head apparatus Expired - Fee Related GB2279800B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12254391A JP2922671B2 (en) 1991-04-25 1991-04-25 Magnetic head device
JP17941691A JP2833274B2 (en) 1991-07-19 1991-07-19 Magnetic head and magnetic disk drive
GB9208410A GB2255221B (en) 1991-04-25 1992-04-16 Magnetic head apparatus

Publications (3)

Publication Number Publication Date
GB9417710D0 GB9417710D0 (en) 1994-10-19
GB2279800A GB2279800A (en) 1995-01-11
GB2279800B true GB2279800B (en) 1996-01-03

Family

ID=27266149

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9417710A Expired - Fee Related GB2279800B (en) 1991-04-25 1992-04-16 Magnetic head apparatus
GB9417711A Withdrawn GB2279801A (en) 1991-04-25 1994-09-02 Magnetic head apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9417711A Withdrawn GB2279801A (en) 1991-04-25 1994-09-02 Magnetic head apparatus

Country Status (1)

Country Link
GB (2) GB2279800B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11238291A (en) * 1998-02-20 1999-08-31 Sony Corp Magnetic head device and disk drive device
JP2000123306A (en) 1998-10-14 2000-04-28 Sony Corp Disk drive device, disk drive controller and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805051A (en) * 1984-11-15 1989-02-14 Ing. C. Olivetti & C., S.P.A. Apparatus for recording and reproducing data on a magnetic recording medium
EP0423661A2 (en) * 1989-10-20 1991-04-24 Insite Peripherals, Inc. Dual magnetic head and method for writing on very high track density and conventional track density floppy disk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4805051A (en) * 1984-11-15 1989-02-14 Ing. C. Olivetti & C., S.P.A. Apparatus for recording and reproducing data on a magnetic recording medium
EP0423661A2 (en) * 1989-10-20 1991-04-24 Insite Peripherals, Inc. Dual magnetic head and method for writing on very high track density and conventional track density floppy disk

Also Published As

Publication number Publication date
GB9417711D0 (en) 1994-10-19
GB9417710D0 (en) 1994-10-19
GB2279801A (en) 1995-01-11
GB2279800A (en) 1995-01-11

Similar Documents

Publication Publication Date Title
EP0527610A3 (en) Recording apparatus
EP0526239A3 (en) Recording apparatus
GB2254726B (en) Magnetic disk apparatus
EP0488337A3 (en) Magnetic recording apparatus
EP0516118A3 (en) Recording apparatus
EP0542563A3 (en) Magnetic disc apparatus
EP0508366A3 (en) Magnetic head positioning device
EP0499214A3 (en) Recording apparatus
EP0538740A3 (en) Recording apparatus
EP0505143A3 (en) Recording apparatus
EP0529606A3 (en) Recording apparatus
EP0414473A3 (en) Magnetic head device
GB2242774B (en) Magnetic head
GB2246902B (en) Magnetic head apparatus
GB9218352D0 (en) Magnetic record reporducing apparatus
GB2241106B (en) Magnetic head device
GB9127086D0 (en) Head support apparatus
EP0544279A3 (en) Reproducing apparatus
GB2279800B (en) Magnetic head apparatus
EP0531061A3 (en) Recording apparatus
EP0510690A3 (en) Magnetic head
EP0498650A3 (en) Magnetic recording apparatus
GB2255221B (en) Magnetic head apparatus
GB2278489B (en) Magnetic head
EP0498661A3 (en) Magnetic recording-reproduction apparatus

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19971202

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080416