FR2635219A1 - - Google Patents

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Publication number
FR2635219A1
FR2635219A1 FR8907904A FR8907904A FR2635219A1 FR 2635219 A1 FR2635219 A1 FR 2635219A1 FR 8907904 A FR8907904 A FR 8907904A FR 8907904 A FR8907904 A FR 8907904A FR 2635219 A1 FR2635219 A1 FR 2635219A1
Authority
FR
France
Prior art keywords
hub
plate
hole
spring
magnetic disk
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
FR8907904A
Other languages
English (en)
French (fr)
Other versions
FR2635219B1 (de
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2635219A1 publication Critical patent/FR2635219A1/fr
Application granted granted Critical
Publication of FR2635219B1 publication Critical patent/FR2635219B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/033—Containers for flat record carriers for flexible discs
    • G11B23/0332—Containers for flat record carriers for flexible discs for single discs, e.g. envelopes
    • 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
    • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
FR898907904A 1988-06-14 1989-06-14 Expired - Lifetime FR2635219B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988078618U JPH01181169U (de) 1988-06-14 1988-06-14

Publications (2)

Publication Number Publication Date
FR2635219A1 true FR2635219A1 (de) 1990-02-09
FR2635219B1 FR2635219B1 (de) 1992-12-11

Family

ID=13666879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898907904A Expired - Lifetime FR2635219B1 (de) 1988-06-14 1989-06-14

Country Status (8)

Country Link
JP (1) JPH01181169U (de)
KR (1) KR0140883B1 (de)
DE (1) DE3919476C2 (de)
FR (1) FR2635219B1 (de)
GB (1) GB2219888B (de)
IT (1) IT1231604B (de)
MX (1) MX170680B (de)
MY (1) MY104665A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10021943B2 (en) 2014-09-10 2018-07-17 Mashannon Ferris Variable ornament assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507371A1 (fr) * 1981-06-05 1982-12-10 Sony Corp Ensemble de disque magnetique, cassette destinee a celui-ci, et dispositif d'enregistrement et, ou bien, de reproduction a utiliser avec celui-ci
US4545047A (en) * 1984-01-31 1985-10-01 Storage Technology Partners Ii Centering device for interchangeable disk
US4630156A (en) * 1983-02-10 1986-12-16 Sony Corporation Flexible magnetic disc including hub structure
US4743993A (en) * 1985-05-20 1988-05-10 Fuji Photo Film Co., Ltd. Plate spring assembly for a magnetic recording disk cartridge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2507371A1 (fr) * 1981-06-05 1982-12-10 Sony Corp Ensemble de disque magnetique, cassette destinee a celui-ci, et dispositif d'enregistrement et, ou bien, de reproduction a utiliser avec celui-ci
US4630156A (en) * 1983-02-10 1986-12-16 Sony Corporation Flexible magnetic disc including hub structure
US4545047A (en) * 1984-01-31 1985-10-01 Storage Technology Partners Ii Centering device for interchangeable disk
US4743993A (en) * 1985-05-20 1988-05-10 Fuji Photo Film Co., Ltd. Plate spring assembly for a magnetic recording disk cartridge

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 13, no. 5, octobre 1970, page 1242, New York, US; A. KLUTH: "Disk pack locating device" *
RESEARCH DISCLOSURE, no. 241, mai 1984, page 221, disclosure no. 24138, Havant, Hampshire, GB; "Disk hub" *

Also Published As

Publication number Publication date
MY104665A (en) 1994-05-31
FR2635219B1 (de) 1992-12-11
IT8948074A0 (it) 1989-06-12
IT1231604B (it) 1991-12-18
KR900000840A (ko) 1990-01-30
KR0140883B1 (ko) 1998-07-15
DE3919476C2 (de) 2003-05-28
GB8912888D0 (en) 1989-07-26
DE3919476A1 (de) 1989-12-21
GB2219888B (en) 1992-05-06
JPH01181169U (de) 1989-12-27
GB2219888A (en) 1989-12-20
MX170680B (es) 1993-09-07

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Legal Events

Date Code Title Description
ST Notification of lapse