JPS6412219U - - Google Patents

Info

Publication number
JPS6412219U
JPS6412219U JP10414787U JP10414787U JPS6412219U JP S6412219 U JPS6412219 U JP S6412219U JP 10414787 U JP10414787 U JP 10414787U JP 10414787 U JP10414787 U JP 10414787U JP S6412219 U JPS6412219 U JP S6412219U
Authority
JP
Japan
Prior art keywords
objective lens
detection means
error detection
skew
focus error
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
JP10414787U
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 JP10414787U priority Critical patent/JPS6412219U/ja
Publication of JPS6412219U publication Critical patent/JPS6412219U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP10414787U 1987-07-07 1987-07-07 Pending JPS6412219U (US06272168-20010807-M00014.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10414787U JPS6412219U (US06272168-20010807-M00014.png) 1987-07-07 1987-07-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10414787U JPS6412219U (US06272168-20010807-M00014.png) 1987-07-07 1987-07-07

Publications (1)

Publication Number Publication Date
JPS6412219U true JPS6412219U (US06272168-20010807-M00014.png) 1989-01-23

Family

ID=31335604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10414787U Pending JPS6412219U (US06272168-20010807-M00014.png) 1987-07-07 1987-07-07

Country Status (1)

Country Link
JP (1) JPS6412219U (US06272168-20010807-M00014.png)

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