JPS63149413U - - Google Patents

Info

Publication number
JPS63149413U
JPS63149413U JP4063387U JP4063387U JPS63149413U JP S63149413 U JPS63149413 U JP S63149413U JP 4063387 U JP4063387 U JP 4063387U JP 4063387 U JP4063387 U JP 4063387U JP S63149413 U JPS63149413 U JP S63149413U
Authority
JP
Japan
Prior art keywords
information recording
groove
optical disk
objective lens
track
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
JP4063387U
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 JP4063387U priority Critical patent/JPS63149413U/ja
Publication of JPS63149413U publication Critical patent/JPS63149413U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP4063387U 1987-03-18 1987-03-18 Pending JPS63149413U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4063387U JPS63149413U (enrdf_load_stackoverflow) 1987-03-18 1987-03-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4063387U JPS63149413U (enrdf_load_stackoverflow) 1987-03-18 1987-03-18

Publications (1)

Publication Number Publication Date
JPS63149413U true JPS63149413U (enrdf_load_stackoverflow) 1988-10-03

Family

ID=30854887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4063387U Pending JPS63149413U (enrdf_load_stackoverflow) 1987-03-18 1987-03-18

Country Status (1)

Country Link
JP (1) JPS63149413U (enrdf_load_stackoverflow)

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