IT1073290B - Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioni - Google Patents
Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioniInfo
- Publication number
- IT1073290B IT1073290B IT67478/77A IT6747877A IT1073290B IT 1073290 B IT1073290 B IT 1073290B IT 67478/77 A IT67478/77 A IT 67478/77A IT 6747877 A IT6747877 A IT 6747877A IT 1073290 B IT1073290 B IT 1073290B
- Authority
- IT
- Italy
- Prior art keywords
- recording
- magnetic disc
- binary information
- flexible magnetic
- small flexible
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus 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
- G11B25/04—Apparatus 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
- G11B25/043—Apparatus 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
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
- G11B5/016—Recording on, or reproducing or erasing from, magnetic disks using magnetic foils
-
- 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
- G11B5/58—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 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
- G11B5/596—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 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
Priority Applications (12)
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 |
FR7805325A FR2382743A1 (fr) | 1977-03-04 | 1978-02-24 | Appareillage pour l'enregistrement et la lecture d'informations binaires sur un disque magnetique flexible de petites dimensions |
US05/881,656 US4223359A (en) | 1977-03-04 | 1978-02-27 | Flexible magnetic disk recording apparatus |
GB8376/78A GB1601623A (en) | 1977-03-04 | 1978-03-02 | Apparatus for writing and/or reading binary information on a flexible magnetic disc |
GB27943/80A GB1601624A (en) | 1977-03-04 | 1978-03-02 | Flexible magnetic disc |
DE2857697A DE2857697C2 (de) | 1977-03-04 | 1978-03-03 | Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte |
BR7801322A BR7801322A (pt) | 1977-03-04 | 1978-03-03 | Dispositivo para gravar e/ou ler informacoes binarias em um disco magnetico flexivel,disco magnetico flexivel e envelope para conter o mesmo |
DE2809736A DE2809736C2 (de) | 1977-03-04 | 1978-03-03 | Gerät zum Schreiben und/oder Lesen von Binärinformation auf einer flexiblen Magnetplatte |
JP2437778A JPS53118106A (en) | 1977-03-04 | 1978-03-03 | Device for wiring and reading binary information to and from flexible magnetic disc |
JP3257780A JPS5661066A (en) | 1977-03-04 | 1980-03-14 | Device for writing and reading binary information on and from flexible magnetic disk |
US06/144,867 US4318144A (en) | 1977-03-04 | 1980-04-29 | Flexible magnetic disk recording apparatus |
JP61198794A JPS6271066A (ja) | 1977-03-04 | 1986-08-25 | 可撓性磁気円板に対して2進情報を書込み及び読取るための装置 |
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 (1)
Publication Number | Publication Date |
---|---|
IT1073290B true IT1073290B (it) | 1985-04-13 |
Family
ID=11302737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (7)
Country | Link |
---|---|
US (2) | US4223359A (it) |
JP (3) | JPS53118106A (it) |
BR (1) | BR7801322A (it) |
DE (2) | DE2857697C2 (it) |
FR (1) | FR2382743A1 (it) |
GB (2) | GB1601624A (it) |
IT (1) | IT1073290B (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JPS618442Y2 (it) * | 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 |
AU544979B2 (en) * | 1981-06-19 | 1985-06-27 | Matsushita Electric Industrial Co., Ltd. | Information disk 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 |
US5319510A (en) * | 1983-11-18 | 1994-06-07 | Canon Denshi Kabushiki Kaisha | Disc recording and/or reproducing apparatus |
JPS60170083A (ja) * | 1984-02-10 | 1985-09-03 | Teac Co | デイスク装置 |
JPH0721904B2 (ja) * | 1984-03-05 | 1995-03-08 | 株式会社日立製作所 | 回転形記憶装置における記録媒体の装着方法 |
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)
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 |
GB1042318A (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 (it) * | 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 |
-
1977
- 1977-03-04 IT IT67478/77A patent/IT1073290B/it active
-
1978
- 1978-02-24 FR FR7805325A patent/FR2382743A1/fr active Granted
- 1978-02-27 US US05/881,656 patent/US4223359A/en not_active Expired - Lifetime
- 1978-03-02 GB GB27943/80A patent/GB1601624A/en not_active Expired
- 1978-03-02 GB GB8376/78A patent/GB1601623A/en not_active Expired
- 1978-03-03 DE DE2857697A patent/DE2857697C2/de not_active Expired
- 1978-03-03 DE DE2809736A patent/DE2809736C2/de not_active Expired
- 1978-03-03 JP JP2437778A patent/JPS53118106A/ja active Pending
- 1978-03-03 BR BR7801322A patent/BR7801322A/pt unknown
-
1980
- 1980-03-14 JP JP3257780A patent/JPS5661066A/ja active Granted
- 1980-04-29 US US06/144,867 patent/US4318144A/en not_active Expired - Lifetime
-
1986
- 1986-08-25 JP JP61198794A patent/JPS6271066A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1601624A (en) | 1981-11-04 |
BR7801322A (pt) | 1978-12-05 |
DE2809736A1 (de) | 1978-09-07 |
JPS6271066A (ja) | 1987-04-01 |
DE2809736C2 (de) | 1982-05-06 |
JPS5661066A (en) | 1981-05-26 |
FR2382743A1 (fr) | 1978-09-29 |
JPS628865B2 (it) | 1987-02-25 |
JPS53118106A (en) | 1978-10-16 |
DE2857697C2 (de) | 1982-07-22 |
FR2382743B1 (it) | 1983-07-01 |
GB1601623A (en) | 1981-11-04 |
US4318144A (en) | 1982-03-02 |
US4223359A (en) | 1980-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT7824501A0 (it) | Testina di lettura/registrazione a sottile pellicola magnetica. | |
IT1073290B (it) | Apparecchiatura per registrare e o leggere informazioni binarie su un disco magnetico flessibile di piccole dimensioni | |
IT8123505A0 (it) | Cassetta a disco magnetico flessibile. | |
ES504733A0 (es) | Un dispositivo de cassette de disco magnetico flexible | |
ES504734A0 (es) | Un dispositivo de cassette de disco magnetico flexible | |
SG92685G (en) | Apparatus for recording and/or reproducing information on a flexible disc | |
DE68921173D1 (de) | Datenaufzeichnungs-wiedergabegerät auf einer Aufzeichnungsscheibe. | |
CH613797A5 (en) | Device for reading out from a recording carrier having an optically readable information structure | |
JPS5532297A (en) | Device for reading plurally recorded data on magnetic disk | |
JPS53136428A (en) | Optical device for recording and reading information on tape | |
IT8567122A1 (it) | Apparecchiatura per registrare e leggere informazioni su un disco magnetico. | |
IT8468144A1 (it) | Dispositivo di registrazione e riproduzione di dati su un supporto magnetico. | |
NL7802472A (nl) | Magnetische opneeminrichting van gecodeerde informatie. | |
ES500235A0 (es) | Dispositivo de cabeza magnetica de registro y de lectura de datos | |
IT1128485B (it) | Dispositivo per registrare e o leggere informazioni binarie su entrambe le facce di un disco magnetico flessibile | |
DE3878546D1 (de) | Aufzeichnungs- und/oder wiedergabegeraet fuer einen bandfoermigen optischen aufzeichnungstraeger. | |
JPS53120510A (en) | Device for recording or reproducing information on recording tape | |
JPS5786120A (en) | Circuit device for reading data recorded on magnetic recording medium | |
IT8567177A1 (it) | Apparecchiatura per registrare e leggere informazioni binarie su un disco magnetico. | |
IT7830199A0 (it) | Apparato per riprendere i segnali preregistrati da un disco. | |
IT8026614A0 (it) | Apparecchiatura per la lettura o la registrazione di segnali diriferimento su un disco flessibile. | |
IT1069245B (it) | Apparecchio di registrazione o di riproduzione per porta informazioni a nastro | |
IT7822172A0 (it) | Dispositivo di lettura di informazioni magnetiche. | |
IT1187949B (it) | Perfezionamenti per un apparecchio per la lettura e o registrazione di informazioni su un disco rotante | |
IT7969233A0 (it) | Fonografo semplificato atto a selezionare un predeterminato solco di riproduzione su un disco fonografico |