JPH0614252Y2 - 対物レンズの位置検出装置 - Google Patents

対物レンズの位置検出装置

Info

Publication number
JPH0614252Y2
JPH0614252Y2 JP1987115487U JP11548787U JPH0614252Y2 JP H0614252 Y2 JPH0614252 Y2 JP H0614252Y2 JP 1987115487 U JP1987115487 U JP 1987115487U JP 11548787 U JP11548787 U JP 11548787U JP H0614252 Y2 JPH0614252 Y2 JP H0614252Y2
Authority
JP
Japan
Prior art keywords
objective lens
permanent magnet
magnetoelectric conversion
magnetic flux
tracking direction
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 - Lifetime
Application number
JP1987115487U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6423717U (enrdf_load_stackoverflow
Inventor
国雄 山宮
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP1987115487U priority Critical patent/JPH0614252Y2/ja
Publication of JPS6423717U publication Critical patent/JPS6423717U/ja
Application granted granted Critical
Publication of JPH0614252Y2 publication Critical patent/JPH0614252Y2/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)
JP1987115487U 1987-07-28 1987-07-28 対物レンズの位置検出装置 Expired - Lifetime JPH0614252Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987115487U JPH0614252Y2 (ja) 1987-07-28 1987-07-28 対物レンズの位置検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987115487U JPH0614252Y2 (ja) 1987-07-28 1987-07-28 対物レンズの位置検出装置

Publications (2)

Publication Number Publication Date
JPS6423717U JPS6423717U (enrdf_load_stackoverflow) 1989-02-08
JPH0614252Y2 true JPH0614252Y2 (ja) 1994-04-13

Family

ID=31357189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987115487U Expired - Lifetime JPH0614252Y2 (ja) 1987-07-28 1987-07-28 対物レンズの位置検出装置

Country Status (1)

Country Link
JP (1) JPH0614252Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2565408B2 (ja) * 1989-12-28 1996-12-18 日本マランツ株式会社 光学式ピックアップのトラッキングに対するブレーキ回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157851A (ja) * 1983-02-24 1984-09-07 Ricoh Co Ltd 光デイスクポジシヨナ装置
JPS60182522A (ja) * 1984-03-01 1985-09-18 Aiwa Co Ltd 光学ピックアップ装置

Also Published As

Publication number Publication date
JPS6423717U (enrdf_load_stackoverflow) 1989-02-08

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