FI901733A0 - Optisk diskkassett med flexibelt minnesmedium. - Google Patents

Optisk diskkassett med flexibelt minnesmedium.

Info

Publication number
FI901733A0
FI901733A0 FI901733A FI901733A FI901733A0 FI 901733 A0 FI901733 A0 FI 901733A0 FI 901733 A FI901733 A FI 901733A FI 901733 A FI901733 A FI 901733A FI 901733 A0 FI901733 A0 FI 901733A0
Authority
FI
Finland
Prior art keywords
minnesmedium
flexible
optical disc
disc cassette
cassette
Prior art date
Application number
FI901733A
Other languages
English (en)
Inventor
David Robert Dodds
Karl John Stahl
Original Assignee
Ici Plc
Bernoulli Optical Systems
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 Ici Plc, Bernoulli Optical Systems filed Critical Ici Plc
Publication of FI901733A0 publication Critical patent/FI901733A0/fi

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
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
FI901733A 1989-04-05 1990-04-05 Optisk diskkassett med flexibelt minnesmedium. FI901733A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/333,447 US5077726A (en) 1989-04-05 1989-04-05 Optical disc cartridge with a flexible storage medium

Publications (1)

Publication Number Publication Date
FI901733A0 true FI901733A0 (fi) 1990-04-05

Family

ID=23302829

Family Applications (1)

Application Number Title Priority Date Filing Date
FI901733A FI901733A0 (fi) 1989-04-05 1990-04-05 Optisk diskkassett med flexibelt minnesmedium.

Country Status (7)

Country Link
US (1) US5077726A (fi)
EP (1) EP0391563A3 (fi)
JP (1) JPH0362381A (fi)
FI (1) FI901733A0 (fi)
GB (1) GB9006249D0 (fi)
IL (1) IL93874A0 (fi)
NO (1) NO901382L (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274612A (en) * 1989-09-27 1993-12-28 Hitachi, Ltd. Information processor and disk memory used in the same
JPH03168943A (ja) * 1989-11-29 1991-07-22 Hitachi Ltd 光メモリ及び情報処理装置
KR100230529B1 (ko) * 1990-11-05 1999-11-15 가나이 쓰도무 광디스크 장치 및 광헤드
JP2982339B2 (ja) * 1991-02-25 1999-11-22 ソニー株式会社 光ディスクカートリッジと光ディスク装置
JP2651056B2 (ja) * 1991-04-19 1997-09-10 シャープ株式会社 フレキシブル光ディスクカートリッジ
JPH087559Y2 (ja) * 1991-06-21 1996-03-04 ティアック株式会社 ディスク装置
US5815344A (en) * 1992-02-17 1998-09-29 Sony Corporation Disc cartridge loading apparatus
WO1997048095A1 (en) * 1996-06-12 1997-12-18 Imation Corp. Bernouilly type flexible media stabilization for laser servowriting
US6014287A (en) * 1998-05-15 2000-01-11 Iomega Corporation Speed plate
US7227817B1 (en) 1999-12-07 2007-06-05 Dphi Acquisitions, Inc. Low profile optical head
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US7191153B1 (en) 1999-09-10 2007-03-13 Dphi Acquisitions, Inc. Content distribution method and apparatus
US6631359B1 (en) 1999-09-10 2003-10-07 Dphi Acquisitions, Inc. Writeable medium access control using a medium writeable area
US7233554B2 (en) * 2001-04-17 2007-06-19 Ricoh Company, Ltd. Disk drive system employing effective disk surface stabilization mechanism

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772665A (en) * 1972-03-31 1973-11-13 Iomec System for loading and positioning a transducer in a data storage disc cartridge
US3947886A (en) * 1974-04-25 1976-03-30 Dynastor, Inc. Flexible disc recording apparatus
US4074330A (en) * 1976-08-30 1978-02-14 International Business Machines Corporation Flexible disk storage apparatus
JPS5736473A (en) * 1980-08-14 1982-02-27 Sony Corp Rotating driving device
US4376960A (en) * 1980-12-31 1983-03-15 International Business Machines Corporation Flexible disk stabilizing structure
US4419704A (en) * 1981-04-24 1983-12-06 Iomega Corporation Bernoulli plate for stabilization of flexible magnetic disk
US4414592A (en) * 1981-05-01 1983-11-08 Iomega Corporation Support for stabilizing the movement of a magnetic medium over a magnetic head
US4769733A (en) * 1982-11-09 1988-09-06 Iomega Corporation Wipers for pair of stabilized magnetic disks
US4768124A (en) * 1982-11-09 1988-08-30 Iomega Corporation Record disk cartridge with flexible pad
US4613966A (en) * 1983-06-30 1986-09-23 International Business Machines Corporation Sealed encapsulation for floppy disk using centrifugal force to flatten disk
US4743989A (en) * 1986-04-21 1988-05-10 Iomega Corporation Plural magnetic disk assembly
US4794480A (en) * 1986-04-21 1988-12-27 Iomega Corporation Bernoulli plate in cartridge
US4734989A (en) * 1986-04-25 1988-04-05 Pursuit Corporation Viewing apparatus
JPS62267985A (ja) * 1986-05-16 1987-11-20 Fuji Xerox Co Ltd 光デイスクメデイア装置
JPS6430087A (en) * 1987-07-25 1989-01-31 Sony Corp Flexible optical disk device
US4969061A (en) * 1989-01-23 1990-11-06 Iomega Corporation Particulate removing means for cartridges

Also Published As

Publication number Publication date
EP0391563A2 (en) 1990-10-10
US5077726A (en) 1991-12-31
NO901382D0 (no) 1990-03-26
IL93874A0 (en) 1990-12-23
GB9006249D0 (en) 1990-05-16
JPH0362381A (ja) 1991-03-18
EP0391563A3 (en) 1991-11-27
NO901382L (no) 1990-10-08

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: BERNOULLI OPTICAL SYSTEMS COMPANY

Owner name: IMPERIAL CHEMICAL INDUSTRIES PLC