DE4029979C2 - - Google Patents

Info

Publication number
DE4029979C2
DE4029979C2 DE19904029979 DE4029979A DE4029979C2 DE 4029979 C2 DE4029979 C2 DE 4029979C2 DE 19904029979 DE19904029979 DE 19904029979 DE 4029979 A DE4029979 A DE 4029979A DE 4029979 C2 DE4029979 C2 DE 4029979C2
Authority
DE
Germany
Prior art keywords
head drive
drive according
rotation
magnetic
axis
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
DE19904029979
Other languages
German (de)
English (en)
Other versions
DE4029979A1 (de
Inventor
Yuichi Tokio/Tokyo Jp Kurosawa
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co 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.)
Filing date
Publication date
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE4029979A1 publication Critical patent/DE4029979A1/de
Application granted granted Critical
Publication of DE4029979C2 publication Critical patent/DE4029979C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on 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

Landscapes

  • Moving Of Heads (AREA)
DE19904029979 1989-09-22 1990-09-21 Kopfantrieb fuer einen magnetplattenspeicher Granted DE4029979A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1247106A JPH0828084B2 (ja) 1989-09-22 1989-09-22 ディスク駆動装置

Publications (2)

Publication Number Publication Date
DE4029979A1 DE4029979A1 (de) 1991-04-04
DE4029979C2 true DE4029979C2 (enrdf_load_stackoverflow) 1993-03-18

Family

ID=17158521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904029979 Granted DE4029979A1 (de) 1989-09-22 1990-09-21 Kopfantrieb fuer einen magnetplattenspeicher

Country Status (4)

Country Link
JP (1) JPH0828084B2 (enrdf_load_stackoverflow)
DE (1) DE4029979A1 (enrdf_load_stackoverflow)
FR (1) FR2652437B1 (enrdf_load_stackoverflow)
GB (1) GB2236612B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03113879A (ja) * 1989-09-26 1991-05-15 Asahi Optical Co Ltd ディスク駆動装置
US5243591A (en) * 1990-04-23 1993-09-07 Asahi Kogaku Kogyo Kabushiki Kaisha Protecting a read/write head from damage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652952A (en) * 1983-07-28 1987-03-24 Canon Kabushiki Kaisha Head moving device
JPS60192163U (ja) * 1984-05-25 1985-12-20 アルプス電気株式会社 キヤリツジの移送装置
JPH0535483Y2 (enrdf_load_stackoverflow) * 1986-10-15 1993-09-08
JPS6414785A (en) * 1987-07-08 1989-01-18 Fuji Photo Film Co Ltd Magnetic head receding mechanism in magnetic recording/ reproducing device

Also Published As

Publication number Publication date
JPH0828084B2 (ja) 1996-03-21
FR2652437B1 (fr) 1995-03-24
GB9020494D0 (en) 1990-10-31
FR2652437A1 (fr) 1991-03-29
DE4029979A1 (de) 1991-04-04
JPH03113784A (ja) 1991-05-15
GB2236612B (en) 1994-04-20
GB2236612A (en) 1991-04-10

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHAUMBURG, K., DIPL.-ING. THOENES, D., DIPL.-PHYS. DR.RER.NAT., PAT.-ANWAELTE, 81679 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: PENTAX CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee