KR840008874A - 광학 독출 저장 디스크 - Google Patents

광학 독출 저장 디스크 Download PDF

Info

Publication number
KR840008874A
KR840008874A KR1019840000541A KR840000541A KR840008874A KR 840008874 A KR840008874 A KR 840008874A KR 1019840000541 A KR1019840000541 A KR 1019840000541A KR 840000541 A KR840000541 A KR 840000541A KR 840008874 A KR840008874 A KR 840008874A
Authority
KR
South Korea
Prior art keywords
substrate
disk
optical read
lid
read storage
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.)
Ceased
Application number
KR1019840000541A
Other languages
English (en)
Korean (ko)
Inventor
요하네스 미치엘 얀센 피터
Original Assignee
아이. 엠. 레르너
엔. 브이. 필립스 글로아이람펜 파브리켄
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 아이. 엠. 레르너, 엔. 브이. 필립스 글로아이람펜 파브리켄 filed Critical 아이. 엠. 레르너
Publication of KR840008874A publication Critical patent/KR840008874A/ko
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24015—Air-sandwiched discs
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24018—Laminated discs
    • G11B7/24027—Layers; Shape, structure or physical properties thereof

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
KR1019840000541A 1983-02-09 1984-02-06 광학 독출 저장 디스크 Ceased KR840008874A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8300478A NL8300478A (nl) 1983-02-09 1983-02-09 Optisch uitleesbare geheugenschijf.
NL8300478 1983-02-09

Publications (1)

Publication Number Publication Date
KR840008874A true KR840008874A (ko) 1984-12-19

Family

ID=19841382

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840000541A Ceased KR840008874A (ko) 1983-02-09 1984-02-06 광학 독출 저장 디스크

Country Status (10)

Country Link
US (1) US4510508A (enExample)
EP (1) EP0118146B1 (enExample)
JP (2) JPS59138029U (enExample)
KR (1) KR840008874A (enExample)
CA (1) CA1211559A (enExample)
DE (1) DE3479359D1 (enExample)
ES (1) ES529481A0 (enExample)
HK (1) HK85891A (enExample)
NL (1) NL8300478A (enExample)
SG (1) SG84990G (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216664A (en) * 1983-02-09 1993-06-01 U.S. Philips Corporation Optically readable disc with a centering member fixed to a transparent substrate
NL8300479A (nl) * 1983-02-09 1984-09-03 Philips Nv Optisch uitleesbare plaat.
JPS6085724U (ja) * 1983-11-17 1985-06-13 シャープ株式会社 光メモリ円板
NL8400477A (nl) * 1984-02-14 1985-09-02 Philips Nv Optisch uitleesbare geheugenschijf.
US5007040A (en) * 1984-09-22 1991-04-09 Canon Kabushiki Kaisha Magnetic recording and/or reproducing apparatus having a retaining mechanism for a disc-shaped magnetic record bearing medium
US4641152A (en) * 1986-02-24 1987-02-03 Producers Color Service, Inc. Fixturing apparatus for vibration dampened optical disc recording
US5293370A (en) * 1991-01-16 1994-03-08 Del Mar Avionics Method and apparatus for creating optical disc masters
JPH0680550B2 (ja) * 1991-06-05 1994-10-12 ソニー株式会社 情報ディスク用ターンテーブル
JPH0554436A (ja) * 1991-08-20 1993-03-05 Pioneer Electron Corp 光記録媒体
US5427520A (en) * 1992-01-31 1995-06-27 Sony Corporation Mold device for fabricating disc substrate
US5787069A (en) * 1996-09-13 1998-07-28 Digital Armor Inc. Protective cover for an optical disc
US6424488B1 (en) 1999-02-22 2002-07-23 Seagate Technology Llc Peripherally extending disc ring to limit disc deflection and to provide disc stack balancing
US6317402B1 (en) * 1999-11-23 2001-11-13 Behavior Tech Computer Corporation Disk tray of optic disk drive having pressure balance device
WO2002082429A2 (en) 2000-12-14 2002-10-17 Ecd Systems, Inc. Systems and methods for optical media modification
US7562396B2 (en) * 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
US7643393B2 (en) * 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US7716485B2 (en) * 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1766046A (en) * 1929-01-07 1930-06-24 Fed Telegraph Co Sound-reproducing system
US3815146A (en) * 1973-04-09 1974-06-04 Teletype Corp Record-turntable assembly and method of making
JPS5496002A (en) * 1978-01-13 1979-07-30 Hitachi Ltd Information recording plate
FR2437668A1 (fr) * 1978-09-29 1980-04-25 Thomson Csf Disque optique protege
JPS6028041B2 (ja) * 1979-08-30 1985-07-02 パイオニア株式会社 信号記録用ディスクの製造方法
JPS5722224A (en) * 1980-07-17 1982-02-05 Ricoh Co Ltd Automatic focusing device in collapsible camera
JPS5756332U (enExample) * 1980-09-17 1982-04-02
JPS5771247U (enExample) * 1980-10-17 1982-04-30
JPS5788530A (en) * 1980-11-21 1982-06-02 Fujitsu Ltd Durability testing method for magnetic disc medium
US4365257A (en) * 1981-03-05 1982-12-21 Minnesota Mining And Manufacturing Company Stretched-film optical recording disc
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
JPS57203272A (en) * 1981-06-10 1982-12-13 Hitachi Ltd Disc locating mechanism
JPS57113466A (en) * 1981-09-18 1982-07-14 Sony Corp Magnetic sheet jacket
FR2524186B1 (fr) * 1982-03-23 1989-02-24 Thomson Csf Disque optique protege comprenant un element souple de fermeture
JPS5914199A (ja) * 1982-07-13 1984-01-25 Sony Corp 文字図形情報システムの端末装置

Also Published As

Publication number Publication date
JPH0525065Y2 (enExample) 1993-06-24
ES8500493A1 (es) 1984-10-01
ES529481A0 (es) 1984-10-01
DE3479359D1 (en) 1989-09-14
HK85891A (en) 1991-11-08
SG84990G (en) 1991-01-04
EP0118146A1 (en) 1984-09-12
NL8300478A (nl) 1984-09-03
JPH0319065Y2 (enExample) 1991-04-23
JPH0345222U (enExample) 1991-04-25
CA1211559A (en) 1986-09-16
US4510508A (en) 1985-04-09
JPS59138029U (ja) 1984-09-14
EP0118146B1 (en) 1989-08-09

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PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

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A201 Request for examination
P11-X000 Amendment of application requested

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P13-X000 Application amended

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PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

PN2301 Change of applicant

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P22-X000 Classification modified

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St.27 status event code: A-3-3-R10-R18-oth-X000

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