JPS6172720U - - Google Patents

Info

Publication number
JPS6172720U
JPS6172720U JP15530984U JP15530984U JPS6172720U JP S6172720 U JPS6172720 U JP S6172720U JP 15530984 U JP15530984 U JP 15530984U JP 15530984 U JP15530984 U JP 15530984U JP S6172720 U JPS6172720 U JP S6172720U
Authority
JP
Japan
Prior art keywords
auxiliary beams
auxiliary
pickup device
optical pickup
main beam
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
JP15530984U
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 JP15530984U priority Critical patent/JPS6172720U/ja
Publication of JPS6172720U publication Critical patent/JPS6172720U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP15530984U 1984-10-15 1984-10-15 Pending JPS6172720U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15530984U JPS6172720U (OSRAM) 1984-10-15 1984-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15530984U JPS6172720U (OSRAM) 1984-10-15 1984-10-15

Publications (1)

Publication Number Publication Date
JPS6172720U true JPS6172720U (OSRAM) 1986-05-17

Family

ID=30713310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15530984U Pending JPS6172720U (OSRAM) 1984-10-15 1984-10-15

Country Status (1)

Country Link
JP (1) JPS6172720U (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721153U (OSRAM) * 1980-07-07 1982-02-03
JPS58220252A (ja) * 1982-06-16 1983-12-21 Hitachi Ltd 光学式ピツクアツプのトラツキング誤差信号検出回路
JPS5914148A (ja) * 1982-07-13 1984-01-25 Fujitsu Ltd 光学的情報再生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721153U (OSRAM) * 1980-07-07 1982-02-03
JPS58220252A (ja) * 1982-06-16 1983-12-21 Hitachi Ltd 光学式ピツクアツプのトラツキング誤差信号検出回路
JPS5914148A (ja) * 1982-07-13 1984-01-25 Fujitsu Ltd 光学的情報再生装置

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