DE8815125U1 - Compact Disc mit einem ringförmigen Vorsprung - Google Patents

Compact Disc mit einem ringförmigen Vorsprung

Info

Publication number
DE8815125U1
DE8815125U1 DE8815125U DE8815125U DE8815125U1 DE 8815125 U1 DE8815125 U1 DE 8815125U1 DE 8815125 U DE8815125 U DE 8815125U DE 8815125 U DE8815125 U DE 8815125U DE 8815125 U1 DE8815125 U1 DE 8815125U1
Authority
DE
Germany
Prior art keywords
signal recording
igr
compact disc
plate
base plates
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.)
Expired
Application number
DE8815125U
Other languages
German (de)
English (en)
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.)
SKC Co Ltd
Original Assignee
SKC Co Ltd
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 SKC Co Ltd filed Critical SKC Co Ltd
Publication of DE8815125U1 publication Critical patent/DE8815125U1/de
Expired 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
    • 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
    • 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
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
DE8815125U 1988-07-09 1988-12-05 Compact Disc mit einem ringförmigen Vorsprung Expired DE8815125U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR880011170 1988-07-09

Publications (1)

Publication Number Publication Date
DE8815125U1 true DE8815125U1 (de) 1989-01-19

Family

ID=31492730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8815125U Expired DE8815125U1 (de) 1988-07-09 1988-12-05 Compact Disc mit einem ringförmigen Vorsprung

Country Status (3)

Country Link
JP (1) JPH0212770U (US20020128544A1-20020912-P00008.png)
CN (1) CN2054931U (US20020128544A1-20020912-P00008.png)
DE (1) DE8815125U1 (US20020128544A1-20020912-P00008.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551744A1 (en) * 1991-12-16 1993-07-21 Sharp Kabushiki Kaisha Optical disc and method for manufacturing the same
US5453975A (en) * 1991-12-16 1995-09-26 Sharp Kabushiki Kaisha Optical disc with surface coating and manufacturing method therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5060292U (US20020128544A1-20020912-P00008.png) * 1973-10-01 1975-06-03

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344724Y2 (US20020128544A1-20020912-P00008.png) * 1973-06-18 1978-10-26
JPS5720123A (en) * 1980-07-10 1982-02-02 Meidensha Electric Mfg Co Ltd Distance relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0551744A1 (en) * 1991-12-16 1993-07-21 Sharp Kabushiki Kaisha Optical disc and method for manufacturing the same
US5453975A (en) * 1991-12-16 1995-09-26 Sharp Kabushiki Kaisha Optical disc with surface coating and manufacturing method therefor

Also Published As

Publication number Publication date
CN2054931U (zh) 1990-03-21
JPH0212770U (US20020128544A1-20020912-P00008.png) 1990-01-26

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