FR2312832A1 - Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif - Google Patents

Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif

Info

Publication number
FR2312832A1
FR2312832A1 FR7516999A FR7516999A FR2312832A1 FR 2312832 A1 FR2312832 A1 FR 2312832A1 FR 7516999 A FR7516999 A FR 7516999A FR 7516999 A FR7516999 A FR 7516999A FR 2312832 A1 FR2312832 A1 FR 2312832A1
Authority
FR
France
Prior art keywords
discs
reading apparatus
apparatus suitable
particular video
soft
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
FR7516999A
Other languages
English (en)
Other versions
FR2312832B1 (fr
Inventor
Paul Bijon
Bernard Fichot
Lucien Lainez
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt 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-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7516999A priority Critical patent/FR2312832A1/fr
Priority to US05/689,821 priority patent/US4071854A/en
Priority to GB22171/76A priority patent/GB1539086A/en
Priority to DE19762624108 priority patent/DE2624108A1/de
Priority to NL7605746A priority patent/NL7605746A/xx
Priority to JP51062464A priority patent/JPS51147306A/ja
Publication of FR2312832A1 publication Critical patent/FR2312832A1/fr
Application granted granted Critical
Publication of FR2312832B1 publication Critical patent/FR2312832B1/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
    • 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)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
FR7516999A 1975-05-30 1975-05-30 Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif Granted FR2312832A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7516999A FR2312832A1 (fr) 1975-05-30 1975-05-30 Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif
US05/689,821 US4071854A (en) 1975-05-30 1976-05-25 Device for the stabilization of flexible discs and more particularly of videodiscs and reading apparatus adapted to this device
GB22171/76A GB1539086A (en) 1975-05-30 1976-05-27 Apparatus for reproducing information recorded on a flexible video disc
DE19762624108 DE2624108A1 (de) 1975-05-30 1976-05-28 Vorrichtung zur stabilisierung von biegsamen platten
NL7605746A NL7605746A (nl) 1975-05-30 1976-05-28 Inrichting voor het nauwkeurig stabiliseren van de stand van een gedeelte van een soepele schijf.
JP51062464A JPS51147306A (en) 1975-05-30 1976-05-31 Stabilizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7516999A FR2312832A1 (fr) 1975-05-30 1975-05-30 Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif

Publications (2)

Publication Number Publication Date
FR2312832A1 true FR2312832A1 (fr) 1976-12-24
FR2312832B1 FR2312832B1 (fr) 1979-08-03

Family

ID=9155896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7516999A Granted FR2312832A1 (fr) 1975-05-30 1975-05-30 Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif

Country Status (6)

Country Link
US (1) US4071854A (fr)
JP (1) JPS51147306A (fr)
DE (1) DE2624108A1 (fr)
FR (1) FR2312832A1 (fr)
GB (1) GB1539086A (fr)
NL (1) NL7605746A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141049A (en) * 1977-12-23 1979-02-20 International Business Machines Corporation Loading mechanism for negative pressure sliders
US4447899A (en) * 1980-06-18 1984-05-08 Eastman Kodak Company Optical disc method, media and apparatus for writing and/or reading information
US4335173A (en) * 1980-09-22 1982-06-15 Eastman Kodak Company Method and means for reducing undesirable effects of dirt particles on a flexible record device
US4594702A (en) * 1982-11-12 1986-06-10 Discovision Associates Fluid bearing for axially movable head
US4509160A (en) * 1983-12-05 1985-04-02 Eggers Fred S Disc drive assembly
US4747006A (en) * 1985-06-13 1988-05-24 Mitsubishi Denki Kabushiki Kaisha Magnetic head having fluid pressure means
US5043835A (en) * 1987-03-09 1991-08-27 Matsushita Electric Industrial Co., Ltd. Method and apparatus for adjusting the position of a magnetic head relative to a recording medium
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
GB2216710B (en) * 1988-03-14 1992-09-02 Ici Plc Optical or magneto-optical data system
US4928194A (en) * 1988-09-30 1990-05-22 Eastman Kodak Company Anti-static support for a cartridge in a disk drive
JPH02126463A (ja) * 1988-11-04 1990-05-15 Toshiba Corp 磁気ディスク装置
WO1997048095A1 (fr) 1996-06-12 1997-12-18 Imation Corp. Stabilisation d'un support souple du type bernouilli pour l'ecriture par laser asservie
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065629B (fr) * 1954-01-25
GB763815A (en) * 1954-02-01 1956-12-19 Ibm Improved gas-stabilised head for recording apparatus and the like
US3123677A (en) * 1957-07-08 1964-03-03 Magnetic recording system
US3166997A (en) * 1961-06-28 1965-01-26 Ibm Hydrostatic film disc stabilizer and spacer
NL289744A (fr) * 1962-03-12
DE2051840B2 (de) * 1970-10-22 1972-05-25 Electroacustic Gmbh, 2300 Kiel Abspielgeraet fuer rotierende, folienartig flexible bildplatten
FR2168854B1 (fr) * 1972-01-24 1974-12-13 Peugeot & Renault
NL169668C (nl) * 1972-09-02 1982-08-02 Philips Nv Inrichting voor het uitlezen van een schijfvormige informatiedrager.
US3914541A (en) * 1972-12-11 1975-10-21 Mca Disco Vision Video disc player
US3947888A (en) * 1973-10-01 1976-03-30 Mca Disco-Vision, Inc. Hydrodynamic bearing head providing constant spacing

Also Published As

Publication number Publication date
NL7605746A (nl) 1976-12-02
DE2624108A1 (de) 1976-12-16
US4071854A (en) 1978-01-31
FR2312832B1 (fr) 1979-08-03
GB1539086A (en) 1979-01-24
JPS51147306A (en) 1976-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse