CA1152638A - Memory disc addressing device - Google Patents

Memory disc addressing device

Info

Publication number
CA1152638A
CA1152638A CA000345685A CA345685A CA1152638A CA 1152638 A CA1152638 A CA 1152638A CA 000345685 A CA000345685 A CA 000345685A CA 345685 A CA345685 A CA 345685A CA 1152638 A CA1152638 A CA 1152638A
Authority
CA
Canada
Prior art keywords
track number
complete
complete track
tracks
value
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
Application number
CA000345685A
Other languages
English (en)
French (fr)
Inventor
Alfred Van Herk
Jacob A.M. Buis
Jan H. Klijnstra
Jan Van Staalduinen
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.)
Koninklijke Philips NV
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1152638A publication Critical patent/CA1152638A/en
Expired 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
    • G11B5/48Disposition 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
    • G11B5/553Details

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)
CA000345685A 1979-02-19 1980-02-14 Memory disc addressing device Expired CA1152638A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7901281 1979-02-19
NL7901281A NL7901281A (nl) 1979-02-19 1979-02-19 Inrichting voor het bepalen van nummers van sporen op een geheugenschijf.

Publications (1)

Publication Number Publication Date
CA1152638A true CA1152638A (en) 1983-08-23

Family

ID=19832658

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000345685A Expired CA1152638A (en) 1979-02-19 1980-02-14 Memory disc addressing device

Country Status (6)

Country Link
JP (1) JPS55113174A (nl)
CA (1) CA1152638A (nl)
DE (1) DE3004938C2 (nl)
FR (1) FR2449321B1 (nl)
GB (1) GB2044483B (nl)
NL (1) NL7901281A (nl)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3812533A (en) * 1972-12-22 1974-05-21 Vermont Res Corp Information storage unit transducer positioning system
US4208679A (en) * 1978-02-28 1980-06-17 Digital Equipment Corporation Transducer positioning system for rotating disk drive units

Also Published As

Publication number Publication date
GB2044483B (en) 1983-01-19
FR2449321B1 (fr) 1986-06-20
JPS6239506B2 (nl) 1987-08-24
DE3004938A1 (de) 1980-08-28
FR2449321A1 (fr) 1980-09-12
GB2044483A (en) 1980-10-15
NL7901281A (nl) 1980-08-21
DE3004938C2 (de) 1986-10-09
JPS55113174A (en) 1980-09-01

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Legal Events

Date Code Title Description
MKEX Expiry