DE2809736C2 - Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte - Google Patents

Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte

Info

Publication number
DE2809736C2
DE2809736C2 DE2809736A DE2809736A DE2809736C2 DE 2809736 C2 DE2809736 C2 DE 2809736C2 DE 2809736 A DE2809736 A DE 2809736A DE 2809736 A DE2809736 A DE 2809736A DE 2809736 C2 DE2809736 C2 DE 2809736C2
Authority
DE
Germany
Prior art keywords
plate
head
hub
disk
spiral
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
DE2809736A
Other languages
German (de)
English (en)
Other versions
DE2809736A1 (de
Inventor
Alighiero Dr.-Ing. Ivrea Torino Galvagni
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.)
TIM SpA
Original Assignee
Ing C Olivetti and C SpA
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 Ing C Olivetti and C SpA filed Critical Ing C Olivetti and C SpA
Publication of DE2809736A1 publication Critical patent/DE2809736A1/de
Application granted granted Critical
Publication of DE2809736C2 publication Critical patent/DE2809736C2/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/04Feeding or guiding single record carrier to or from transducer unit
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • 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
    • G11B5/012Recording on, or reproducing or erasing from, magnetic disks
    • G11B5/016Recording on, or reproducing or erasing from, magnetic disks using magnetic foils
    • 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
    • G11B5/58Disposition 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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596Disposition 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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks

Landscapes

  • Moving Of Heads (AREA)
  • Rotational Drive Of Disk (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
DE2809736A 1977-03-04 1978-03-03 Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte Expired DE2809736C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67478/77A IT1073290B (it) 1977-03-04 1977-03-04 Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioni

Publications (2)

Publication Number Publication Date
DE2809736A1 DE2809736A1 (de) 1978-09-07
DE2809736C2 true DE2809736C2 (de) 1982-05-06

Family

ID=11302737

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2857697A Expired DE2857697C2 (de) 1977-03-04 1978-03-03 Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte
DE2809736A Expired DE2809736C2 (de) 1977-03-04 1978-03-03 Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2857697A Expired DE2857697C2 (de) 1977-03-04 1978-03-03 Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte

Country Status (7)

Country Link
US (2) US4223359A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (3) JPS53118106A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7801322A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2857697C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2382743A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (2) GB1601624A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1073290B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2857697C2 (de) * 1977-03-04 1982-07-22 Ing. C. Olivetti & C., S.p.A., 10015 Ivrea, Torino Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte
DE3507621A1 (de) * 1984-03-05 1985-09-12 Hitachi, Ltd., Tokio/Tokyo Diskettenantrieb

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618442Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-04-07 1986-03-15
HU180372B (en) * 1980-07-29 1983-02-28 Budapesti Radiotechnikai Gyar Casette information recorder
JPS5736473A (en) * 1980-08-14 1982-02-27 Sony Corp Rotating driving device
JPS5766568A (en) * 1980-10-09 1982-04-22 Canon Inc Recording and reproducing device
GB2093254B (en) * 1980-12-31 1985-07-03 Sony Corp Apparatus for driving flexible discs
US4525758A (en) * 1981-06-19 1985-06-25 Matsushita Electric Industrial Co., Ltd. Cartridge
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
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
US4547820A (en) * 1983-01-07 1985-10-15 Tokyo Electric Co., Ltd. Floppy disk drive apparatus
JPS6079556A (ja) * 1983-10-06 1985-05-07 Janome Sewing Mach Co Ltd フロツピ−デイスク装置のパツド昇降機構
US5309624A (en) * 1983-11-18 1994-05-10 Canon Denshi Kabushiki Kaisha Method of making a disc recording and/or reproducing apparatus
JPS60170083A (ja) * 1984-02-10 1985-09-03 Teac Co デイスク装置
US4679105A (en) * 1985-01-25 1987-07-07 Maryatt Christopher J Head positioning assembly for a disk drive
US5193037A (en) * 1990-11-07 1993-03-09 Areal Technology, Inc. Compact disk drive for use with laptop computer

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567092A (en) * 1947-06-07 1951-09-04 Brush Dev Co Magnetic recorder-reproducer device of the disk type
CH260631A (de) * 1947-12-23 1949-03-31 Trust Daphne Investment Tr Reg Einrichtung zur Sprechkopfsteuerung in Sprechmaschinen mit magnetischer Tonaufzeichnung auf plattenförmigen Tonträgern.
US2901737A (en) * 1955-11-01 1959-08-25 Sperry Rand Corp Disk recording compensating devices
GB1042319A (en) 1962-12-01 1966-09-14 Ibm Recording and/or reproducing apparatus
DE1921009U (de) 1965-03-19 1965-08-12 Ludwig Paulus Papierlaterne mit stab (lampion).
US3509274A (en) * 1965-09-27 1970-04-28 Sony Corp Apparatus for the recording of video signals and for the normal slow motion or still picture reproduction of such signals
DE1233160B (de) 1966-03-22 1967-01-26 Grundig Emv Kassetten-Magnetbandgeraet
GB1176481A (en) * 1966-09-07 1970-01-01 Zonal Film Magnetic Coatings L Magnetic Disk Packs
DE1562038B2 (de) * 1968-02-13 1971-05-13 Telefunken Patentverwertungsgesell schaft mbH, 790OUIm System zur aufzeichnung und abtastung von bildsignalen und der bildwechselfrequenz entsprechenden impulsen unter ver wendung eines plattenfoermigen aufzeichnungstraegers
JPS493145B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1968-04-24 1974-01-24
US3662363A (en) * 1969-04-17 1972-05-09 Eg & G Inc Memory system using phonograph-type disc
US3797035A (en) * 1972-06-23 1974-03-12 Ibm Recording media orientation
DE2346867A1 (de) * 1973-09-18 1975-03-27 Zettler Elektrotechn Alois Laufwerk fuer ein magnettonaufzeichnungs- und wiedergabegeraet mit endlosen tontraeger
US4024581A (en) 1973-12-05 1977-05-17 Ing. C. Olivetti & C., S.P.A. Apparatus for writing on, and/or reading, magnetic discs
DE2408849A1 (de) 1974-02-23 1975-09-04 Licentia Gmbh Einrichtung zur aufnahme und ausrichtung eines scheibenfoermigen aufzeichnungstraegers
NL7412154A (nl) * 1974-09-13 1976-03-16 Philips Nv Inrichting voor het uitlezen van schijfvormige informatiedragers.
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus
IT1073290B (it) 1977-03-04 1985-04-13 Olivetti & Co Spa Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioni
US4149207A (en) * 1977-10-25 1979-04-10 International Business Machines Corporation Cartridge and flexible magnetic disk assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2857697C2 (de) * 1977-03-04 1982-07-22 Ing. C. Olivetti & C., S.p.A., 10015 Ivrea, Torino Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte
DE3507621A1 (de) * 1984-03-05 1985-09-12 Hitachi, Ltd., Tokio/Tokyo Diskettenantrieb

Also Published As

Publication number Publication date
JPS6271066A (ja) 1987-04-01
GB1601623A (en) 1981-11-04
DE2809736A1 (de) 1978-09-07
FR2382743A1 (fr) 1978-09-29
FR2382743B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-07-01
GB1601624A (en) 1981-11-04
DE2857697C2 (de) 1982-07-22
US4318144A (en) 1982-03-02
BR7801322A (pt) 1978-12-05
IT1073290B (it) 1985-04-13
JPS628865B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-02-25
US4223359A (en) 1980-09-16
JPS5661066A (en) 1981-05-26
JPS53118106A (en) 1978-10-16

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Legal Events

Date Code Title Description
OD Request for examination
OI Miscellaneous see part 1
OI Miscellaneous see part 1
8126 Change of the secondary classification

Ipc: G11B 17/00

D2 Grant after examination
AH Division in

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