JPH01159227U - - Google Patents

Info

Publication number
JPH01159227U
JPH01159227U JP1988053582U JP5358288U JPH01159227U JP H01159227 U JPH01159227 U JP H01159227U JP 1988053582 U JP1988053582 U JP 1988053582U JP 5358288 U JP5358288 U JP 5358288U JP H01159227 U JPH01159227 U JP H01159227U
Authority
JP
Japan
Prior art keywords
information
optical
reproducing
magnetic recording
recording section
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.)
Pending
Application number
JP1988053582U
Other languages
English (en)
Japanese (ja)
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
Priority to JP1988053582U priority Critical patent/JPH01159227U/ja
Publication of JPH01159227U publication Critical patent/JPH01159227U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1988053582U 1988-04-22 1988-04-22 Pending JPH01159227U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988053582U JPH01159227U (OSRAM) 1988-04-22 1988-04-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988053582U JPH01159227U (OSRAM) 1988-04-22 1988-04-22

Publications (1)

Publication Number Publication Date
JPH01159227U true JPH01159227U (OSRAM) 1989-11-02

Family

ID=31279551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988053582U Pending JPH01159227U (OSRAM) 1988-04-22 1988-04-22

Country Status (1)

Country Link
JP (1) JPH01159227U (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993007617A1 (en) * 1991-10-09 1993-04-15 Seiko Epson Corporation Data recording medium, its production, and data recording/reproduction apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055526A (ja) * 1983-09-06 1985-03-30 Ricoh Co Ltd 光ディスク記憶装置における光ディスク
JPS6217055A (ja) * 1985-07-15 1987-01-26 出光石油化学株式会社 セメント添加剤
JPS62170055A (ja) * 1986-01-22 1987-07-27 Nec Corp 光デイスク装置システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055526A (ja) * 1983-09-06 1985-03-30 Ricoh Co Ltd 光ディスク記憶装置における光ディスク
JPS6217055A (ja) * 1985-07-15 1987-01-26 出光石油化学株式会社 セメント添加剤
JPS62170055A (ja) * 1986-01-22 1987-07-27 Nec Corp 光デイスク装置システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993007617A1 (en) * 1991-10-09 1993-04-15 Seiko Epson Corporation Data recording medium, its production, and data recording/reproduction apparatus

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