JPS6452119U - - Google Patents

Info

Publication number
JPS6452119U
JPS6452119U JP14872787U JP14872787U JPS6452119U JP S6452119 U JPS6452119 U JP S6452119U JP 14872787 U JP14872787 U JP 14872787U JP 14872787 U JP14872787 U JP 14872787U JP S6452119 U JPS6452119 U JP S6452119U
Authority
JP
Japan
Prior art keywords
disk
spatial filter
light
disk surface
detection device
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
JP14872787U
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 JP14872787U priority Critical patent/JPS6452119U/ja
Publication of JPS6452119U publication Critical patent/JPS6452119U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP14872787U 1987-09-29 1987-09-29 Pending JPS6452119U (US20030157376A1-20030821-M00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14872787U JPS6452119U (US20030157376A1-20030821-M00001.png) 1987-09-29 1987-09-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14872787U JPS6452119U (US20030157376A1-20030821-M00001.png) 1987-09-29 1987-09-29

Publications (1)

Publication Number Publication Date
JPS6452119U true JPS6452119U (US20030157376A1-20030821-M00001.png) 1989-03-30

Family

ID=31420306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14872787U Pending JPS6452119U (US20030157376A1-20030821-M00001.png) 1987-09-29 1987-09-29

Country Status (1)

Country Link
JP (1) JPS6452119U (US20030157376A1-20030821-M00001.png)

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