JPS51126807A - Flexible disk recorder - Google Patents

Flexible disk recorder

Info

Publication number
JPS51126807A
JPS51126807A JP51032717A JP3271776A JPS51126807A JP S51126807 A JPS51126807 A JP S51126807A JP 51032717 A JP51032717 A JP 51032717A JP 3271776 A JP3271776 A JP 3271776A JP S51126807 A JPS51126807 A JP S51126807A
Authority
JP
Japan
Prior art keywords
flexible disk
disk recorder
recorder
flexible
disk
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.)
Pending
Application number
JP51032717A
Other languages
English (en)
Japanese (ja)
Inventor
Ii Gurifuisu Donarudo
Efu Paguriizu Kaaru
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 JPS51126807A publication Critical patent/JPS51126807A/ja
Pending 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)
JP51032717A 1975-04-14 1976-03-26 Flexible disk recorder Pending JPS51126807A (en)

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
JPS51126807A true JPS51126807A (en) 1976-11-05

Family

ID=24269836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51032717A Pending JPS51126807A (en) 1975-04-14 1976-03-26 Flexible disk recorder

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944402A (https=) * 1972-08-11 1974-04-26
JPS5015519A (https=) * 1973-06-08 1975-02-19

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838462A (en) * 1973-07-02 1974-09-24 Ibm Partitionable disc memory with flexible discs and conformally suspended head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944402A (https=) * 1972-08-11 1974-04-26
JPS5015519A (https=) * 1973-06-08 1975-02-19

Also Published As

Publication number Publication date
FR2308163A1 (fr) 1976-11-12
DE2615245A1 (de) 1976-10-28
US3974524A (en) 1976-08-10
IT1056749B (it) 1982-02-20
FR2308163B1 (https=) 1979-08-31

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