FR2373933A2 - Dispositif d'entrainement d'un videodisque a stabilisation aerodynamique - Google Patents

Dispositif d'entrainement d'un videodisque a stabilisation aerodynamique

Info

Publication number
FR2373933A2
FR2373933A2 FR7637333A FR7637333A FR2373933A2 FR 2373933 A2 FR2373933 A2 FR 2373933A2 FR 7637333 A FR7637333 A FR 7637333A FR 7637333 A FR7637333 A FR 7637333A FR 2373933 A2 FR2373933 A2 FR 2373933A2
Authority
FR
France
Prior art keywords
disc
frusto
video disc
disc player
spring biased
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
FR7637333A
Other languages
English (en)
Other versions
FR2373933B2 (fr
Inventor
Lucien Lainez
Bernard Fichot
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 FR7637333A priority Critical patent/FR2373933A2/fr
Publication of FR2373933A2 publication Critical patent/FR2373933A2/fr
Application granted granted Critical
Publication of FR2373933B2 publication Critical patent/FR2373933B2/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
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

L'invention se rapporte à un dispositif d'entraînement d'un vidéodisque à stabilisation aérodynamique qui se compose d'un plateau supérieur fixé en bout d'un arbre moteur et comprenant une première portée plane et une portée conique de centrage du disque et un plateau inférieur comportant une seconde portée plane en regard de la première portée plane et supportée mobile en rotation et axialement par rapport au plateau supérieur au moyen d'un poussoir mobilisable verticalement. Le dispositif selon l'addition comporte, en outre, un organe de précentrage du disque escamotable. L'invention s'applique aux appareils de lecture de vidéodisques.
FR7637333A 1976-12-10 1976-12-10 Dispositif d'entrainement d'un videodisque a stabilisation aerodynamique Granted FR2373933A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7637333A FR2373933A2 (fr) 1976-12-10 1976-12-10 Dispositif d'entrainement d'un videodisque a stabilisation aerodynamique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7637333A FR2373933A2 (fr) 1976-12-10 1976-12-10 Dispositif d'entrainement d'un videodisque a stabilisation aerodynamique

Publications (2)

Publication Number Publication Date
FR2373933A2 true FR2373933A2 (fr) 1978-07-07
FR2373933B2 FR2373933B2 (fr) 1982-09-03

Family

ID=9180932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637333A Granted FR2373933A2 (fr) 1976-12-10 1976-12-10 Dispositif d'entrainement d'un videodisque a stabilisation aerodynamique

Country Status (1)

Country Link
FR (1) FR2373933A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026475A1 (fr) * 1979-10-02 1981-04-08 Licentia Patent-Verwaltungs-GmbH Procédé et dispositif de centrage et de positionement axial d'un support d'enregistrement en forme de disque
DE3127021A1 (de) * 1980-07-11 1982-03-18 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Plattentellersystem/drehtellersystem fuer videoplattenwiedergabegeraet"

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026475A1 (fr) * 1979-10-02 1981-04-08 Licentia Patent-Verwaltungs-GmbH Procédé et dispositif de centrage et de positionement axial d'un support d'enregistrement en forme de disque
DE3127021A1 (de) * 1980-07-11 1982-03-18 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Plattentellersystem/drehtellersystem fuer videoplattenwiedergabegeraet"

Also Published As

Publication number Publication date
FR2373933B2 (fr) 1982-09-03

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