FR2299696A1 - Appareil d'enregistrement et de lecture pour disques magnetiques, utilisant les deux faces du disque - Google Patents

Appareil d'enregistrement et de lecture pour disques magnetiques, utilisant les deux faces du disque

Info

Publication number
FR2299696A1
FR2299696A1 FR7539630A FR7539630A FR2299696A1 FR 2299696 A1 FR2299696 A1 FR 2299696A1 FR 7539630 A FR7539630 A FR 7539630A FR 7539630 A FR7539630 A FR 7539630A FR 2299696 A1 FR2299696 A1 FR 2299696A1
Authority
FR
France
Prior art keywords
playback
disc
recording
sides
magnetic discs
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.)
Granted
Application number
FR7539630A
Other languages
English (en)
Other versions
FR2299696B1 (fr
Inventor
Daniel O Castrodale
Steven G Steele
William S Wentink
Stephen E Wheeler
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
Publication of FR2299696A1 publication Critical patent/FR2299696A1/fr
Application granted granted Critical
Publication of FR2299696B1 publication Critical patent/FR2299696B1/fr
Granted 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
    • 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
FR7539630A 1975-01-31 1975-12-18 Appareil d'enregistrement et de lecture pour disques magnetiques, utilisant les deux faces du disque Granted FR2299696A1 (fr)

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 (2)

Publication Number Publication Date
FR2299696A1 true FR2299696A1 (fr) 1976-08-27
FR2299696B1 FR2299696B1 (fr) 1977-12-16

Family

ID=24177763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539630A Granted FR2299696A1 (fr) 1975-01-31 1975-12-18 Appareil d'enregistrement et de lecture pour disques magnetiques, utilisant les deux faces du disque

Country Status (9)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418515A1 (fr) * 1978-02-23 1979-09-21 Mfe Corp Dispositif de positionnement pour transducteurs
FR2424604A1 (fr) * 1978-04-24 1979-11-23 Data General Corp Dispositif de memoire a disque magnetique rigide avec commande par moteur pas a pas
FR2466827A1 (fr) * 1979-10-05 1981-04-10 Nortronics Co Ensemble de tetes magnetiques avec suspension a flexion dans un axe z
EP0101616A2 (fr) * 1982-08-23 1984-02-29 Mitsubishi Denki Kabushiki Kaisha Moyen de déplacement de tête magnétique pour un système de mémoire à disque flexible

Families Citing this family (25)

* 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
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
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
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
US4343025A (en) * 1979-10-05 1982-08-03 Nortronics Company, Inc. Transducer arm assembly for floppy disk
US4309732A (en) * 1979-10-05 1982-01-05 Nortronics Company, Inc. Transducer supporting assembly for double sided floppy disk
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
EP0112330A4 (fr) * 1982-05-17 1984-09-17 Distron Inc Mecanisme de levage de tete.
US4647998A (en) * 1982-07-21 1987-03-03 Canon Denshi Kabushiki Kaisha Transducer head assembly
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298009A (en) * 1963-04-17 1967-01-10 Anelex Corp Head mounting and positioning apparatus for random access disc memory systems
DE1774349A1 (de) * 1967-05-31 1971-07-29 Nippon Electric Co Magnetisches Scheibenspeicherelement fuer eine Datenspeichereinrichtung
FR2138387A1 (fr) * 1971-05-25 1973-01-05 Sihb

Family Cites Families (6)

* 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
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 (fr) * 1971-02-05 1972-09-15 Honeywell Bull Soc Ind
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298009A (en) * 1963-04-17 1967-01-10 Anelex Corp Head mounting and positioning apparatus for random access disc memory systems
DE1774349A1 (de) * 1967-05-31 1971-07-29 Nippon Electric Co Magnetisches Scheibenspeicherelement fuer eine Datenspeichereinrichtung
FR2138387A1 (fr) * 1971-05-25 1973-01-05 Sihb

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418515A1 (fr) * 1978-02-23 1979-09-21 Mfe Corp Dispositif de positionnement pour transducteurs
FR2424604A1 (fr) * 1978-04-24 1979-11-23 Data General Corp Dispositif de memoire a disque magnetique rigide avec commande par moteur pas a pas
FR2466827A1 (fr) * 1979-10-05 1981-04-10 Nortronics Co Ensemble de tetes magnetiques avec suspension a flexion dans un axe z
EP0101616A2 (fr) * 1982-08-23 1984-02-29 Mitsubishi Denki Kabushiki Kaisha Moyen de déplacement de tête magnétique pour un système de mémoire à disque flexible
EP0101616A3 (en) * 1982-08-23 1984-09-05 Mitsubishi Denki Kabushiki Kaisha Magnetic head shifting means for flexible disk memory system
US4630155A (en) * 1982-08-23 1986-12-16 Mitsubishi Denki Kabushiki Kaisha Magnetic head shifting means for flexible disk memory system

Also Published As

Publication number Publication date
GB1476913A (en) 1977-06-16
JPS541164B2 (fr) 1979-01-22
FR2299696B1 (fr) 1977-12-16
CA1072207A (fr) 1980-02-19
JPS5197407A (fr) 1976-08-27
ES444465A1 (es) 1977-05-16
DE2602446A1 (de) 1976-08-05
IT1051881B (it) 1981-05-20
DE2602446B2 (de) 1980-06-12
DE2602446C3 (de) 1981-02-19
CH597668A5 (fr) 1978-04-14
US3946439A (en) 1976-03-23

Similar Documents

Publication Publication Date Title
FR2299696A1 (fr) Appareil d'enregistrement et de lecture pour disques magnetiques, utilisant les deux faces du disque
FR2469772B1 (fr) Appareil de reproduction de disque d'enregistrement
MX145427A (es) Mejoras en sistema de registro y reproduccion de discos magneticos
BE890471A (fr) Appareil de reproduction d'enregistrements sur disques
FR2313736A1 (fr) Appareil de lecture d'enregistrements sonores fixes
FR2466076B1 (fr) Appareil d'enregistrement et/ou de reproduction d'information
FR2458127B1 (fr) Appareil d'enregistrement et/ou de reproduction magnetique
NL192230B (nl) Bedrijfswijze-omschakelmechanisme voor opname- en/of weergave-apparaat voor registratiedragers.
AT379484B (de) Magnetisches aufzeichnungs- und wiedergabegeraet
BE787543A (fr) Ensemble d'enregistrement et/ou de reproduction magnetique
FR2279195A1 (fr) Appareil d'enregistrement et de lecture et cassette pour ledit appareil
FR2368782B1 (fr) Appareil de reproduction et d'enregistrement magnetique
BE788832A (fr) Appareils d'enregistrement et de reproduction magnetique
BE783691A (fr) Appareil d'enregistrement et/ou de reproduction magnetique
FR2328261A1 (fr) Appareil d'enregistrement et/ou de lecture de bandes magnetiques
FR2330107A1 (fr) Dispositif d'enregistrement et de reproduction magnetique
FR2380616B1 (fr) Appareil d'enregistrement et/ou de reproduction a cassette
FR2420181B1 (fr) Appareil d'enregistrement et de reproduction magnetique numerique
BE830658A (fr) Appareil d'enregistrement ou de reproduction
KR840006381U (ko) 원반형 디스크용 기록 및 재생장치
FR2499288B1 (fr) Appareil d'enregistrement et/ou de reproduction
JPS53117402A (en) Video disc
FR2321167A1 (fr) Appareil d'enregistrement et de lecture de cassette notamment magnetophone
FR2312900A1 (fr) Appareil magnetique d'enregistrement et de reproduction video ou magnetoscope
FR2304987A1 (fr) Appareil d'enregistrement et de reproduction

Legal Events

Date Code Title Description
ST Notification of lapse