JPS6235149Y2 - - Google Patents

Info

Publication number
JPS6235149Y2
JPS6235149Y2 JP1980168759U JP16875980U JPS6235149Y2 JP S6235149 Y2 JPS6235149 Y2 JP S6235149Y2 JP 1980168759 U JP1980168759 U JP 1980168759U JP 16875980 U JP16875980 U JP 16875980U JP S6235149 Y2 JPS6235149 Y2 JP S6235149Y2
Authority
JP
Japan
Prior art keywords
objective lens
focus servo
amplifier
lens driving
servo 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.)
Expired
Application number
JP1980168759U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5791141U (en]
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 JP1980168759U priority Critical patent/JPS6235149Y2/ja
Publication of JPS5791141U publication Critical patent/JPS5791141U/ja
Application granted granted Critical
Publication of JPS6235149Y2 publication Critical patent/JPS6235149Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1980168759U 1980-11-27 1980-11-27 Expired JPS6235149Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980168759U JPS6235149Y2 (en]) 1980-11-27 1980-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980168759U JPS6235149Y2 (en]) 1980-11-27 1980-11-27

Publications (2)

Publication Number Publication Date
JPS5791141U JPS5791141U (en]) 1982-06-04
JPS6235149Y2 true JPS6235149Y2 (en]) 1987-09-07

Family

ID=29527320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980168759U Expired JPS6235149Y2 (en]) 1980-11-27 1980-11-27

Country Status (1)

Country Link
JP (1) JPS6235149Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58128031A (ja) * 1982-01-24 1983-07-30 Sony Corp デイスク再生装置
JPS5977638A (ja) * 1982-10-26 1984-05-04 Nippon Gakki Seizo Kk 光学式デイスク再生装置におけるフオ−カスサ−ボ制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032263B2 (ja) * 1977-03-09 1985-07-26 松下電器産業株式会社 光学式情報記録再生装置

Also Published As

Publication number Publication date
JPS5791141U (en]) 1982-06-04

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