JPS5830264Y2 - 光学式デイスクプレ−ヤの焦点制御装置 - Google Patents

光学式デイスクプレ−ヤの焦点制御装置

Info

Publication number
JPS5830264Y2
JPS5830264Y2 JP13375477U JP13375477U JPS5830264Y2 JP S5830264 Y2 JPS5830264 Y2 JP S5830264Y2 JP 13375477 U JP13375477 U JP 13375477U JP 13375477 U JP13375477 U JP 13375477U JP S5830264 Y2 JPS5830264 Y2 JP S5830264Y2
Authority
JP
Japan
Prior art keywords
lens
circuit
output
focus control
disk
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
JP13375477U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5459309U (enrdf_load_stackoverflow
Inventor
建夫 外山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP13375477U priority Critical patent/JPS5830264Y2/ja
Publication of JPS5459309U publication Critical patent/JPS5459309U/ja
Application granted granted Critical
Publication of JPS5830264Y2 publication Critical patent/JPS5830264Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Focusing (AREA)
JP13375477U 1977-09-30 1977-09-30 光学式デイスクプレ−ヤの焦点制御装置 Expired JPS5830264Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13375477U JPS5830264Y2 (ja) 1977-09-30 1977-09-30 光学式デイスクプレ−ヤの焦点制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13375477U JPS5830264Y2 (ja) 1977-09-30 1977-09-30 光学式デイスクプレ−ヤの焦点制御装置

Publications (2)

Publication Number Publication Date
JPS5459309U JPS5459309U (enrdf_load_stackoverflow) 1979-04-24
JPS5830264Y2 true JPS5830264Y2 (ja) 1983-07-04

Family

ID=29102502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13375477U Expired JPS5830264Y2 (ja) 1977-09-30 1977-09-30 光学式デイスクプレ−ヤの焦点制御装置

Country Status (1)

Country Link
JP (1) JPS5830264Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897730U (ja) * 1981-12-24 1983-07-02 ヤマハ株式会社 光学式情報記録再生装置における自動焦点装置

Also Published As

Publication number Publication date
JPS5459309U (enrdf_load_stackoverflow) 1979-04-24

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