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BE844261A - Systeme de protection de disque - Google Patents

Systeme de protection de disque

Info

Publication number
BE844261A
BE844261A BE169021A BE169021A BE844261A BE 844261 A BE844261 A BE 844261A BE 169021 A BE169021 A BE 169021A BE 169021 A BE169021 A BE 169021A BE 844261 A BE844261 A BE 844261A
Authority
BE
Belgium
Prior art keywords
protection system
disc protection
disc
protection
Prior art date
Application number
BE169021A
Other languages
English (en)
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 filed Critical
Publication of BE844261A publication Critical patent/BE844261A/fr

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
    • 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
BE169021A 1975-07-18 1976-07-16 Systeme de protection de disque BE844261A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/597,371 US4030138A (en) 1975-07-18 1975-07-18 Record protection system

Publications (1)

Publication Number Publication Date
BE844261A true BE844261A (fr) 1976-11-16

Family

ID=24391230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE169021A BE844261A (fr) 1975-07-18 1976-07-16 Systeme de protection de disque

Country Status (9)

Country Link
US (1) US4030138A (fr)
JP (1) JPS5213302A (fr)
AR (1) AR209183A1 (fr)
AU (1) AU1582476A (fr)
BE (1) BE844261A (fr)
DD (1) DD126107A5 (fr)
DE (1) DE2632216A1 (fr)
GB (1) GB1552373A (fr)
ZA (1) ZA764114B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756303U (fr) * 1980-09-17 1982-04-02
DE3301644A1 (de) * 1983-01-19 1984-07-19 Polygram Gmbh, 2000 Hamburg Aufbewahrungskassette fuer zwei und mehr plattenfoermige informationstraeger hoher speicherdichte
JPS61502787A (ja) * 1984-07-06 1986-11-27 古河電気工業株式会社 剛性ディスク記憶媒体用改良基盤及び該基盤の製造方法と装置
US4870524A (en) * 1984-07-06 1989-09-26 Furukawa Aluminum Co., Ltd. Substrate for rigid disk storage media
US4609105A (en) * 1984-09-27 1986-09-02 Storage Technology Partners Ii Information recording disk cartridge protective structure
US4623062A (en) * 1985-11-12 1986-11-18 Shape Inc. Antitheft container for a recording medium and method for manufacturing same
JPH0638965B2 (ja) * 1985-12-28 1994-05-25 古河アルミニウム工業株式会社 メモリデイスク用基板の製造方法
US4825680A (en) * 1985-12-28 1989-05-02 Furukawa Aluminum Co., Ltd. Method of manufacturing metal substrates for disk for memory storage media
JPH0638964B2 (ja) * 1985-12-28 1994-05-25 古河アルミニウム工業株式会社 メモリデイスク用基板の製造方法
US4941066A (en) * 1988-05-11 1990-07-10 Shape Inc. Injection molded center core for a recording disc and related method of manufacture
US6811026B2 (en) * 2002-06-11 2004-11-02 Geal Hyub Chung Compact disc tray
US9139358B2 (en) * 2013-08-16 2015-09-22 Richard LEVITAN Display case assembly for phonograph record and cover

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109539A (en) * 1960-11-17 1963-11-05 Walfredo Toscanni Record album
US3035840A (en) * 1961-01-31 1962-05-22 Fred W Scott Phonograph record
BE757866A (fr) * 1969-12-22 1971-04-01 Ibm Element de memoire a disque magnetique et appareil d'enregistrement en faisant usage
US3662360A (en) * 1970-06-23 1972-05-09 Digital Information Storage Co Magnetic information disk equipment

Also Published As

Publication number Publication date
DE2632216A1 (de) 1977-02-24
US4030138A (en) 1977-06-14
DD126107A5 (fr) 1977-06-22
GB1552373A (en) 1979-09-12
JPS5213302A (en) 1977-02-01
AR209183A1 (es) 1977-03-31
AU1582476A (en) 1978-01-19
ZA764114B (en) 1977-06-29
JPS5333242B2 (fr) 1978-09-13

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