GB2244589B - Movable magnetic head device - Google Patents

Movable magnetic head device

Info

Publication number
GB2244589B
GB2244589B GB9108150A GB9108150A GB2244589B GB 2244589 B GB2244589 B GB 2244589B GB 9108150 A GB9108150 A GB 9108150A GB 9108150 A GB9108150 A GB 9108150A GB 2244589 B GB2244589 B GB 2244589B
Authority
GB
United Kingdom
Prior art keywords
magnetic head
head device
movable magnetic
movable
magnetic
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 - Lifetime
Application number
GB9108150A
Other versions
GB2244589A (en
GB9108150D0 (en
Inventor
Yasuo Mitsuhashi
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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB9108150D0 publication Critical patent/GB9108150D0/en
Publication of GB2244589A publication Critical patent/GB2244589A/en
Application granted granted Critical
Publication of GB2244589B publication Critical patent/GB2244589B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B5/48—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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
GB9108150A 1990-04-18 1991-04-17 Movable magnetic head device Expired - Lifetime GB2244589B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2102723A JPH041909A (en) 1990-04-18 1990-04-18 Movable rotary magnetic head device

Publications (3)

Publication Number Publication Date
GB9108150D0 GB9108150D0 (en) 1991-06-05
GB2244589A GB2244589A (en) 1991-12-04
GB2244589B true GB2244589B (en) 1994-03-09

Family

ID=14335190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9108150A Expired - Lifetime GB2244589B (en) 1990-04-18 1991-04-17 Movable magnetic head device

Country Status (3)

Country Link
JP (1) JPH041909A (en)
DE (1) DE4112742A1 (en)
GB (1) GB2244589B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293880A (en) * 1978-10-16 1981-10-06 Victor Company Of Japan, Ltd. Apparatus for recording and reproducing video signals at selectable different tape traveling speeds from a plurality of pairs of video heads
WO1987006048A1 (en) * 1986-03-24 1987-10-08 Ampex Corporation Magnetically controlled scanning magnetic head tracking control system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165523A (en) * 1976-03-19 1979-08-21 Ampex Corporation Automatic scan tracking using an additional sensing means on a bimorph
JPS6142713A (en) * 1984-08-07 1986-03-01 Sanyo Electric Co Ltd Magnetic head and its manufacture
US4649450A (en) * 1984-12-12 1987-03-10 Ampex Corporation Modular multichannel magnetic head assembly with accurate channel locations
DE3722927A1 (en) * 1986-07-16 1988-01-21 Mitsubishi Electric Corp HEAD DRUM ARRANGEMENT
JPH083891B2 (en) * 1988-07-04 1996-01-17 株式会社日立製作所 Rotating magnetic head moving device
JPH0233720A (en) * 1988-07-25 1990-02-02 Toshiba Corp Magnetic recording and reproducing device
JP2674220B2 (en) * 1989-06-27 1997-11-12 ソニー株式会社 Manufacturing method of magnetic head
JP2579686B2 (en) * 1989-07-18 1997-02-05 三菱電機株式会社 Magnetic recording / reproducing device
DE69031157T2 (en) * 1989-11-10 1998-01-29 Mitsubishi Electric Corp Rotating magnetic head assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293880A (en) * 1978-10-16 1981-10-06 Victor Company Of Japan, Ltd. Apparatus for recording and reproducing video signals at selectable different tape traveling speeds from a plurality of pairs of video heads
WO1987006048A1 (en) * 1986-03-24 1987-10-08 Ampex Corporation Magnetically controlled scanning magnetic head tracking control system

Also Published As

Publication number Publication date
DE4112742A1 (en) 1991-10-31
GB2244589A (en) 1991-12-04
DE4112742C2 (en) 1993-02-11
JPH041909A (en) 1992-01-07
GB9108150D0 (en) 1991-06-05

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Legal Events

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

Effective date: 20010104