DE2615245A1 - Positionsidentifizierung fuer einen stapel rotierender, flexibler, magnetischer aufzeichnungstraeger - Google Patents

Positionsidentifizierung fuer einen stapel rotierender, flexibler, magnetischer aufzeichnungstraeger

Info

Publication number
DE2615245A1
DE2615245A1 DE19762615245 DE2615245A DE2615245A1 DE 2615245 A1 DE2615245 A1 DE 2615245A1 DE 19762615245 DE19762615245 DE 19762615245 DE 2615245 A DE2615245 A DE 2615245A DE 2615245 A1 DE2615245 A1 DE 2615245A1
Authority
DE
Germany
Prior art keywords
stack
arrangement according
identification
arrangement
sensor device
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.)
Withdrawn
Application number
DE19762615245
Other languages
German (de)
English (en)
Inventor
Donald Eric Griffiths
Carl Francis Pugliese
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2615245A1 publication Critical patent/DE2615245A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Moving Of Heads (AREA)
  • Automatic Disk Changers (AREA)
DE19762615245 1975-04-14 1976-04-08 Positionsidentifizierung fuer einen stapel rotierender, flexibler, magnetischer aufzeichnungstraeger Withdrawn DE2615245A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/568,075 US3974524A (en) 1975-04-14 1975-04-14 Magnetic storage apparatus employing flexible record disks with peripheral disk-identification means

Publications (1)

Publication Number Publication Date
DE2615245A1 true DE2615245A1 (de) 1976-10-28

Family

ID=24269836

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762615245 Withdrawn DE2615245A1 (de) 1975-04-14 1976-04-08 Positionsidentifizierung fuer einen stapel rotierender, flexibler, magnetischer aufzeichnungstraeger

Country Status (5)

Country Link
US (1) US3974524A (https=)
JP (1) JPS51126807A (https=)
DE (1) DE2615245A1 (https=)
FR (1) FR2308163A1 (https=)
IT (1) IT1056749B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092681A (en) * 1976-12-20 1978-05-30 International Business Machines Corporation Flexible disk file access mechanism
US4146911A (en) * 1977-12-23 1979-03-27 Burroughs Corporation Head spacing control
US4646194A (en) * 1985-01-13 1987-02-24 Copal Company Limited PG yoke position detecting apparatus
KR100515719B1 (ko) 1998-02-20 2005-11-25 삼성전자주식회사 서보트랙라이터를 이용한 공정 관리 방법
US6414814B1 (en) * 1998-09-25 2002-07-02 Seagate Technology Llc Method and apparatus for minimizing once per revolution positional errors in single disc servo track writing
US6421199B1 (en) * 1998-09-25 2002-07-16 Seagate Technology Llc Method and apparatus for minimizing once per revolution positional errors in a disc drive
US9548871B2 (en) * 2013-03-07 2017-01-17 General Electric Company Systems and methods for master arbitration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195533B1 (https=) * 1972-08-11 1974-10-25 Uniroyal
JPS528168B2 (https=) * 1973-06-08 1977-03-07
US3838462A (en) * 1973-07-02 1974-09-24 Ibm Partitionable disc memory with flexible discs and conformally suspended head

Also Published As

Publication number Publication date
FR2308163A1 (fr) 1976-11-12
JPS51126807A (en) 1976-11-05
US3974524A (en) 1976-08-10
IT1056749B (it) 1982-02-20
FR2308163B1 (https=) 1979-08-31

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee