JPS6211230U - - Google Patents

Info

Publication number
JPS6211230U
JPS6211230U JP10251785U JP10251785U JPS6211230U JP S6211230 U JPS6211230 U JP S6211230U JP 10251785 U JP10251785 U JP 10251785U JP 10251785 U JP10251785 U JP 10251785U JP S6211230 U JPS6211230 U JP S6211230U
Authority
JP
Japan
Prior art keywords
reflectance
position detection
optical pickup
photodetectors
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.)
Granted
Application number
JP10251785U
Other languages
English (en)
Japanese (ja)
Other versions
JP2524773Y2 (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 JP1985102517U priority Critical patent/JP2524773Y2/ja
Publication of JPS6211230U publication Critical patent/JPS6211230U/ja
Application granted granted Critical
Publication of JP2524773Y2 publication Critical patent/JP2524773Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP1985102517U 1985-07-05 1985-07-05 光学ピツクアツプの位置検出装置 Expired - Lifetime JP2524773Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985102517U JP2524773Y2 (ja) 1985-07-05 1985-07-05 光学ピツクアツプの位置検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985102517U JP2524773Y2 (ja) 1985-07-05 1985-07-05 光学ピツクアツプの位置検出装置

Publications (2)

Publication Number Publication Date
JPS6211230U true JPS6211230U (US06521211-20030218-C00004.png) 1987-01-23
JP2524773Y2 JP2524773Y2 (ja) 1997-02-05

Family

ID=30974235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985102517U Expired - Lifetime JP2524773Y2 (ja) 1985-07-05 1985-07-05 光学ピツクアツプの位置検出装置

Country Status (1)

Country Link
JP (1) JP2524773Y2 (US06521211-20030218-C00004.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153138A (en) * 1979-05-14 1980-11-28 Mitsubishi Electric Corp Optical pickup unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153138A (en) * 1979-05-14 1980-11-28 Mitsubishi Electric Corp Optical pickup unit

Also Published As

Publication number Publication date
JP2524773Y2 (ja) 1997-02-05

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