FR2118807A5 - - Google Patents

Info

Publication number
FR2118807A5
FR2118807A5 FR7145610A FR7145610A FR2118807A5 FR 2118807 A5 FR2118807 A5 FR 2118807A5 FR 7145610 A FR7145610 A FR 7145610A FR 7145610 A FR7145610 A FR 7145610A FR 2118807 A5 FR2118807 A5 FR 2118807A5
Authority
FR
France
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
FR7145610A
Other languages
French (fr)
Inventor
Rand Corp Sperry
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.)
Ricoh Printing Systems America Inc
Original Assignee
Ricoh Printing Systems America Inc
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 Ricoh Printing Systems America Inc filed Critical Ricoh Printing Systems America Inc
Application granted granted Critical
Publication of FR2118807A5 publication Critical patent/FR2118807A5/fr
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
    • 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
    • G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
FR7145610A 1970-12-17 1971-12-17 Expired FR2118807A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9898670A 1970-12-17 1970-12-17

Publications (1)

Publication Number Publication Date
FR2118807A5 true FR2118807A5 (en) 1972-07-28

Family

ID=22271860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7145610A Expired FR2118807A5 (en) 1970-12-17 1971-12-17

Country Status (8)

Country Link
US (1) US3634836A (en)
JP (1) JPS5429886B1 (en)
CA (1) CA939806A (en)
DE (1) DE2162811C3 (en)
FR (1) FR2118807A5 (en)
GB (1) GB1373514A (en)
IT (1) IT944017B (en)
NL (1) NL7116425A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881189A (en) * 1972-09-07 1975-04-29 Sanyo Electric Co Transducer arrangement in recording and/or playback devices utilizing disc records
US3838455A (en) * 1973-03-05 1974-09-24 Ibm Head carriage assembly for magnetic disk storage apparatus
US4005485A (en) * 1973-08-31 1977-01-25 Xerox Corporation Apparatus and method for loading and unloading transducer heads
US4024581A (en) * 1973-12-05 1977-05-17 Ing. C. Olivetti & C., S.P.A. Apparatus for writing on, and/or reading, magnetic discs
US3914791A (en) * 1974-01-28 1975-10-21 Vrc California Memory unit flying pad linkage
US4034411A (en) * 1975-07-11 1977-07-05 International Business Machines Corporation Magnetic disk information storage apparatus
US4237501A (en) * 1978-07-25 1980-12-02 Pertec Computer Corporation Emergency head unload system for magnetic disk drive
US4484241A (en) * 1982-05-17 1984-11-20 International Business Machines Corporation Automatic lock for head-carriage assembly in a disk file
JPS63106974A (en) * 1986-10-16 1988-05-12 インタ−ナショナル・ビジネス・マシ−ンズ・コ−ポレ−ション Disc memory
US4786995A (en) * 1986-11-06 1988-11-22 Peripheral Technology, Inc Automatic head retract system for disk drive
US5223993A (en) * 1989-11-03 1993-06-29 Conner Peripherals, Inc. Multiple actuator disk drive
JP2000163899A (en) * 1998-11-30 2000-06-16 Fujitsu Ltd Driving device of recording disk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544980A (en) * 1968-03-22 1970-12-01 Peripheral Systems Corp Magnetic recording disc drive with head positioning and collision avoidance apparatus
US3531788A (en) * 1968-09-30 1970-09-29 Information Storage Systems Apparatus for loading and unloading a slider assembly

Also Published As

Publication number Publication date
NL7116425A (en) 1972-06-20
JPS5429886B1 (en) 1979-09-27
DE2162811C3 (en) 1978-04-20
US3634836A (en) 1972-01-11
CA939806A (en) 1974-01-08
DE2162811A1 (en) 1972-07-06
GB1373514A (en) 1974-11-13
IT944017B (en) 1973-04-20
DE2162811B2 (en) 1977-08-18

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse