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IT1051881B - Apparecchiatura per effettuare la registrazione su entrambe le facce di un disco magnetico flessibile - Google Patents

Apparecchiatura per effettuare la registrazione su entrambe le facce di un disco magnetico flessibile

Info

Publication number
IT1051881B
IT1051881B IT7530674A IT3067475A IT1051881B IT 1051881 B IT1051881 B IT 1051881B IT 7530674 A IT7530674 A IT 7530674A IT 3067475 A IT3067475 A IT 3067475A IT 1051881 B IT1051881 B IT 1051881B
Authority
IT
Italy
Prior art keywords
registration
faces
make
magnetic disc
flexible magnetic
Prior art date
Application number
IT7530674A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1051881B publication Critical patent/IT1051881B/it

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
    • 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
IT7530674A 1975-01-31 1975-12-23 Apparecchiatura per effettuare la registrazione su entrambe le facce di un disco magnetico flessibile IT1051881B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/545,841 US3946439A (en) 1975-01-31 1975-01-31 Recording apparatus for magnetic disks using both sides of the disk

Publications (1)

Publication Number Publication Date
IT1051881B true IT1051881B (it) 1981-05-20

Family

ID=24177763

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7530674A IT1051881B (it) 1975-01-31 1975-12-23 Apparecchiatura per effettuare la registrazione su entrambe le facce di un disco magnetico flessibile

Country Status (9)

Country Link
US (1) US3946439A (it)
JP (1) JPS541164B2 (it)
CA (1) CA1072207A (it)
CH (1) CH597668A5 (it)
DE (1) DE2602446C3 (it)
ES (1) ES444465A1 (it)
FR (1) FR2299696A1 (it)
GB (1) GB1476913A (it)
IT (1) IT1051881B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309012A1 (fr) * 1975-04-21 1976-11-19 Ibm Memoire a disque magnetique flexible
GB1467218A (en) * 1975-07-16 1977-03-16 Burroughs Corp Apparatus for recording and reproducing information with respect to a flexible recording medium
US4151573A (en) * 1977-06-13 1979-04-24 Tandon Magnetics Corp. Magnetic recording device for double sided media
JPS5460908A (en) * 1977-10-24 1979-05-16 Mitsubishi Electric Corp Both side type flexible disc apparatus
DE2807856A1 (de) * 1978-02-23 1979-09-06 Mfe Corp Positioniervorrichtung
US4200894A (en) * 1978-04-24 1980-04-29 Data General Corporation Head adjustment mechanism for rigid magnetic disc memory apparatus
US4164769A (en) * 1978-04-24 1979-08-14 Data General Corporation Cross band coupling for stepper-motor-driven, rigid magnetic disc
US4194226A (en) * 1978-04-24 1980-03-18 Data General Corporation Rigid magnetic disc memory apparatus including open loop stepper-motor-driven read/write head
US4193102A (en) * 1978-10-12 1980-03-11 International Business Machines Corporation Disk file machine with cable connection to transducers
DE2905074A1 (de) * 1979-02-10 1980-08-28 Basf Ag Positioniereinrichtung fuer einen abtastkopf in einem platten-informationsspeicher, insbesondere in einem magnetplatten- oder -folien-speicher
US4253125A (en) * 1979-03-19 1981-02-24 Sperry Corporation Head loading and unloading mechanism for magnetic flexible disk
US4309732A (en) * 1979-10-05 1982-01-05 Nortronics Company, Inc. Transducer supporting assembly for double sided floppy disk
DE3049954A1 (de) * 1979-10-05 1982-03-18 Nortronics Co Z-axis flexure suspension apparatus
US4343025A (en) * 1979-10-05 1982-08-03 Nortronics Company, Inc. Transducer arm assembly for floppy disk
US4315292A (en) * 1979-10-05 1982-02-09 Nortronics Company, Inc. Beveled magnetic heads for floppy disk
US4315293A (en) * 1979-10-05 1982-02-09 Nortronics Company, Inc. Transducer protection guide for diskette insertion and removal
US4327388A (en) * 1980-02-15 1982-04-27 International Business Machines Corporation Transducer-carriage assembly with spring suspension
US4328521A (en) * 1980-04-07 1982-05-04 Magnetic Peripherals Inc. Gimbal spring retainer
US4323938A (en) * 1980-05-23 1982-04-06 Xerox Corporation Rolling pivot for magnetic head
JPS5766572A (en) * 1980-10-09 1982-04-22 Mitsubishi Electric Corp Magnetic head moving device of both-sided flexible disk storage device
US4392165A (en) * 1981-03-30 1983-07-05 Disctron, Inc. Head lift mechanism
US4379316A (en) * 1981-06-11 1983-04-05 Siemens Corporation Read/write head carriage assembly for a floppy disk drive
US4400750A (en) * 1981-09-25 1983-08-23 Forestlane Co., Ltd. Spring loading arrangement in a magnetic read/write head carriage assembly for a floppy disk drive
JPS59501134A (ja) * 1982-05-17 1984-06-28 デイスクトロン，インク ヘッドリフト機構
US4647998A (en) * 1982-07-21 1987-03-03 Canon Denshi Kabushiki Kaisha Transducer head assembly
JPS5936371A (ja) * 1982-08-23 1984-02-28 Mitsubishi Electric Corp フレキシブルデイスク記憶装置の磁気ヘツド移動装置
GB2176646B (en) * 1985-06-11 1989-07-05 Mitsubishi Electric Corp Supporting means for supporting a magnetic transducer for a double surface type flexible disk apparatus
US4928196A (en) * 1988-04-04 1990-05-22 Eastman Kodak Company Magnetic recording device using circumferentially offset heads with double sided media
US5243480A (en) * 1990-07-27 1993-09-07 Mitsumi Electric Co., Ltd. Floppy disk drive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018152A (en) * 1958-12-30 1962-01-23 Ibm Mounting and operating means for a pneumostatic transducer head
US3298009A (en) * 1963-04-17 1967-01-10 Anelex Corp Head mounting and positioning apparatus for random access disc memory systems
DE1774349B2 (de) * 1967-05-31 1973-09-27 Nippon Electric Co., Ltd., Tokio Behälter für magnetische Speicherscheiben und Datenspeichereinrichtung
US3646536A (en) * 1969-12-04 1972-02-29 Sli Ind Head-positioning apparatus
US3713121A (en) * 1970-05-25 1973-01-23 Ibm Arm vibration damper
FR2123927A5 (it) * 1971-02-05 1972-09-15 Honeywell Bull Soc Ind
FR2138387B1 (it) * 1971-05-25 1973-05-25 Sihb
BE791362A (fr) * 1971-11-15 1973-05-14 Xerox Corp Dispositifs de charge de tete pour appareil d'entrainement de disque dememorisation
US3855622A (en) * 1973-01-04 1974-12-17 Siemens Corp Apparatus for loading and unloading a head assembly in a data storage system

Also Published As

Publication number Publication date
CH597668A5 (it) 1978-04-14
CA1072207A (en) 1980-02-19
DE2602446C3 (de) 1981-02-19
GB1476913A (en) 1977-06-16
FR2299696A1 (fr) 1976-08-27
ES444465A1 (es) 1977-05-16
DE2602446A1 (de) 1976-08-05
JPS541164B2 (it) 1979-01-22
US3946439A (en) 1976-03-23
DE2602446B2 (de) 1980-06-12
FR2299696B1 (it) 1977-12-16
JPS5197407A (it) 1976-08-27

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