JPS6435518U - - Google Patents

Info

Publication number
JPS6435518U
JPS6435518U JP12944887U JP12944887U JPS6435518U JP S6435518 U JPS6435518 U JP S6435518U JP 12944887 U JP12944887 U JP 12944887U JP 12944887 U JP12944887 U JP 12944887U JP S6435518 U JPS6435518 U JP S6435518U
Authority
JP
Japan
Prior art keywords
detection
light beam
detecting
detection element
astigmatism
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
JP12944887U
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 JP12944887U priority Critical patent/JPS6435518U/ja
Publication of JPS6435518U publication Critical patent/JPS6435518U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP12944887U 1987-08-26 1987-08-26 Pending JPS6435518U (US20100056889A1-20100304-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12944887U JPS6435518U (US20100056889A1-20100304-C00004.png) 1987-08-26 1987-08-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12944887U JPS6435518U (US20100056889A1-20100304-C00004.png) 1987-08-26 1987-08-26

Publications (1)

Publication Number Publication Date
JPS6435518U true JPS6435518U (US20100056889A1-20100304-C00004.png) 1989-03-03

Family

ID=31383733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12944887U Pending JPS6435518U (US20100056889A1-20100304-C00004.png) 1987-08-26 1987-08-26

Country Status (1)

Country Link
JP (1) JPS6435518U (US20100056889A1-20100304-C00004.png)

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