JPS648220U - - Google Patents

Info

Publication number
JPS648220U
JPS648220U JP10201987U JP10201987U JPS648220U JP S648220 U JPS648220 U JP S648220U JP 10201987 U JP10201987 U JP 10201987U JP 10201987 U JP10201987 U JP 10201987U JP S648220 U JPS648220 U JP S648220U
Authority
JP
Japan
Prior art keywords
objective lens
photodetector
comparing
holding means
moving
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
JP10201987U
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 JP10201987U priority Critical patent/JPS648220U/ja
Publication of JPS648220U publication Critical patent/JPS648220U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP10201987U 1987-07-02 1987-07-02 Pending JPS648220U (US20100056889A1-20100304-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10201987U JPS648220U (US20100056889A1-20100304-C00004.png) 1987-07-02 1987-07-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10201987U JPS648220U (US20100056889A1-20100304-C00004.png) 1987-07-02 1987-07-02

Publications (1)

Publication Number Publication Date
JPS648220U true JPS648220U (US20100056889A1-20100304-C00004.png) 1989-01-18

Family

ID=31331542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10201987U Pending JPS648220U (US20100056889A1-20100304-C00004.png) 1987-07-02 1987-07-02

Country Status (1)

Country Link
JP (1) JPS648220U (US20100056889A1-20100304-C00004.png)

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