CA960771A - Magnetic disc record drive apparatus - Google Patents

Magnetic disc record drive apparatus

Info

Publication number
CA960771A
CA960771A CA129,330A CA129330A CA960771A CA 960771 A CA960771 A CA 960771A CA 129330 A CA129330 A CA 129330A CA 960771 A CA960771 A CA 960771A
Authority
CA
Canada
Prior art keywords
drive apparatus
magnetic disc
disc record
record drive
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
Application number
CA129,330A
Other languages
English (en)
Other versions
CA129330S (en
Inventor
John S. Heath
John C. Davy
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
Application granted granted Critical
Publication of CA960771A publication Critical patent/CA960771A/en
Expired 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
    • G11B5/54—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
    • G11B5/5565—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for compensation of variations of physical parameters, e.g. temperature
    • 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
    • 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
CA129,330A 1970-12-08 1971-12-06 Magnetic disc record drive apparatus Expired CA960771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5825970A GB1276969A (en) 1970-12-08 1970-12-08 Magnetic disk record drive apparatus

Publications (1)

Publication Number Publication Date
CA960771A true CA960771A (en) 1975-01-07

Family

ID=10481155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA129,330A Expired CA960771A (en) 1970-12-08 1971-12-06 Magnetic disc record drive apparatus

Country Status (5)

Country Link
CA (1) CA960771A (Direct)
DE (1) DE2159063A1 (Direct)
FR (1) FR2117075A5 (Direct)
GB (1) GB1276969A (Direct)
IT (1) IT940705B (Direct)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959740A (en) * 1983-11-18 1990-09-25 Canon Denshi Kabushiki Kaisha Disc recording and/or reproducing apparatus including means for minimizing the effects of temperature changes
US5319510A (en) * 1983-11-18 1994-06-07 Canon Denshi Kabushiki Kaisha Disc recording and/or reproducing apparatus

Also Published As

Publication number Publication date
DE2159063A1 (de) 1972-06-22
FR2117075A5 (Direct) 1972-07-21
GB1276969A (en) 1972-06-07
IT940705B (it) 1973-02-20

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