CA1013471A - Device for locally positionning a flexible rotating disc - Google Patents

Device for locally positionning a flexible rotating disc

Info

Publication number
CA1013471A
CA1013471A CA160,914A CA160914A CA1013471A CA 1013471 A CA1013471 A CA 1013471A CA 160914 A CA160914 A CA 160914A CA 1013471 A CA1013471 A CA 1013471A
Authority
CA
Canada
Prior art keywords
positionning
locally
rotating disc
flexible rotating
flexible
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
CA160,914A
Other languages
English (en)
Other versions
CA160914S (en
Inventor
Claude Tinet
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of CA1013471A publication Critical patent/CA1013471A/en
Expired legal-status Critical Current

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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Sliding-Contact Bearings (AREA)
CA160,914A 1972-01-11 1973-01-10 Device for locally positionning a flexible rotating disc Expired CA1013471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7200789A FR2167258A5 (da) 1972-01-11 1972-01-11

Publications (1)

Publication Number Publication Date
CA1013471A true CA1013471A (en) 1977-07-05

Family

ID=9091713

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,914A Expired CA1013471A (en) 1972-01-11 1973-01-10 Device for locally positionning a flexible rotating disc

Country Status (6)

Country Link
US (1) US3980810A (da)
JP (1) JPS4881509A (da)
CA (1) CA1013471A (da)
DE (1) DE2301329A1 (da)
FR (1) FR2167258A5 (da)
GB (1) GB1382371A (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126664Y2 (da) * 1972-08-28 1976-07-07
JPS5037404A (da) * 1973-08-06 1975-04-08
DE2700298A1 (de) * 1976-01-07 1977-09-08 Texas Instruments Inc Anordnung zum aufzeichnen und/oder lesen von informationen
US4074330A (en) * 1976-08-30 1978-02-14 International Business Machines Corporation Flexible disk storage apparatus
GB1525308A (en) * 1976-09-30 1978-09-20 Ibm Data storage apparatus
US4114183A (en) * 1977-04-11 1978-09-12 Insurance Technology Company Recording system with gas supported record medium
FR2396383A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Dispositif de sustentation d'un support d'information en forme de disque souple et lecteur de disque utilisant un tel dispositif
US4418365A (en) * 1977-08-19 1983-11-29 Iit Research Institute Video disc transducer system
GB1569667A (en) * 1977-09-30 1980-06-18 Ibm Record/playback heat structure and data storage apparatus therefor
US4316278A (en) * 1979-12-13 1982-02-16 Mcdonnell Douglas Corporation System for reading or recording indicia on a flexible disc
US4447899A (en) * 1980-06-18 1984-05-08 Eastman Kodak Company Optical disc method, media and apparatus for writing and/or reading information
GB2093254B (en) * 1980-12-31 1985-07-03 Sony Corp Apparatus for driving flexible discs
JPS57191512A (en) * 1981-05-21 1982-11-25 Computer Peripherals Optical axial encoder-disk
DE3608396A1 (de) * 1985-03-13 1986-10-16 Canon K.K., Tokio/Tokyo Aufzeichnungs- oder wiedergabevorrichtung
GB2216710B (en) * 1988-03-14 1992-09-02 Ici Plc Optical or magneto-optical data system
US5012463A (en) * 1988-03-14 1991-04-30 Bernoulli Optical Systems Company Optical read/write storage system for flexible media having bernoulli stabilization at the optical head
US6381092B1 (en) * 2000-01-10 2002-04-30 Komag, Inc. Spacer rings to compensate for disk warpage
US6566870B2 (en) 2000-05-24 2003-05-20 Seagate Technology Llc Vacuum plate disc stabilizer for a spin-stand tester used for testing a head-gimbal assembly
US20070242589A1 (en) * 2006-04-13 2007-10-18 Inphase Technologies, Inc. Stabilizing holographic disk medium against vibrations and/or controlling deflection of disk medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166997A (en) * 1961-06-28 1965-01-26 Ibm Hydrostatic film disc stabilizer and spacer
JPS4919211B1 (da) * 1968-02-29 1974-05-16
US3678482A (en) * 1970-08-26 1972-07-18 Burroughs Corp Multiple surface fluid film bearing
FR2126492A5 (da) * 1971-02-08 1972-10-06 Thomson Csf
DE2134504B2 (de) * 1971-07-10 1977-09-08 Anordnung zur kompensation der durch reibung verursachten elektrostatischen kraefte in einem auswertegeraet fuer diagrammscheiben

Also Published As

Publication number Publication date
US3980810A (en) 1976-09-14
DE2301329A1 (de) 1973-07-19
FR2167258A5 (da) 1973-08-24
JPS4881509A (da) 1973-10-31
GB1382371A (en) 1975-01-29

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