JPH0159915U - - Google Patents

Info

Publication number
JPH0159915U
JPH0159915U JP15399087U JP15399087U JPH0159915U JP H0159915 U JPH0159915 U JP H0159915U JP 15399087 U JP15399087 U JP 15399087U JP 15399087 U JP15399087 U JP 15399087U JP H0159915 U JPH0159915 U JP H0159915U
Authority
JP
Japan
Prior art keywords
objective lens
lens
error signal
pickup device
focus
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
JP15399087U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0610489Y2 (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 JP1987153990U priority Critical patent/JPH0610489Y2/ja
Publication of JPH0159915U publication Critical patent/JPH0159915U/ja
Application granted granted Critical
Publication of JPH0610489Y2 publication Critical patent/JPH0610489Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1987153990U 1987-10-09 1987-10-09 光ピックアップ装置 Expired - Lifetime JPH0610489Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987153990U JPH0610489Y2 (ja) 1987-10-09 1987-10-09 光ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987153990U JPH0610489Y2 (ja) 1987-10-09 1987-10-09 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JPH0159915U true JPH0159915U (US07754267-20100713-C00017.png) 1989-04-14
JPH0610489Y2 JPH0610489Y2 (ja) 1994-03-16

Family

ID=31430318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987153990U Expired - Lifetime JPH0610489Y2 (ja) 1987-10-09 1987-10-09 光ピックアップ装置

Country Status (1)

Country Link
JP (1) JPH0610489Y2 (US07754267-20100713-C00017.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131431U (ja) * 1982-02-26 1983-09-05 富士通株式会社 光デイスク装置
JPS6229634U (US07754267-20100713-C00017.png) * 1985-08-02 1987-02-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131431U (ja) * 1982-02-26 1983-09-05 富士通株式会社 光デイスク装置
JPS6229634U (US07754267-20100713-C00017.png) * 1985-08-02 1987-02-23

Also Published As

Publication number Publication date
JPH0610489Y2 (ja) 1994-03-16

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