JPS62154331A - 対物レンズ駆動装置 - Google Patents

対物レンズ駆動装置

Info

Publication number
JPS62154331A
JPS62154331A JP29637885A JP29637885A JPS62154331A JP S62154331 A JPS62154331 A JP S62154331A JP 29637885 A JP29637885 A JP 29637885A JP 29637885 A JP29637885 A JP 29637885A JP S62154331 A JPS62154331 A JP S62154331A
Authority
JP
Japan
Prior art keywords
objective lens
focus control
control coil
magnetic circuit
permanent magnet
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
JP29637885A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0472296B2 (pm
Inventor
Kenjiro Kime
健治朗 木目
Moichi Sakabe
茂一 阪部
Akira Hashimoto
昭 橋本
Toshiya Matosaki
俊哉 的崎
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP29637885A priority Critical patent/JPS62154331A/ja
Priority to DE8686117800T priority patent/DE3684124D1/de
Priority to EP86117800A priority patent/EP0228055B1/en
Priority to KR8611059A priority patent/KR900008082B1/ko
Priority to US06/945,089 priority patent/US4792935A/en
Publication of JPS62154331A publication Critical patent/JPS62154331A/ja
Publication of JPH0472296B2 publication Critical patent/JPH0472296B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP29637885A 1985-12-27 1985-12-27 対物レンズ駆動装置 Granted JPS62154331A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP29637885A JPS62154331A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置
DE8686117800T DE3684124D1 (de) 1985-12-27 1986-12-19 Antriebsvorrichtung fuer ein objektiv.
EP86117800A EP0228055B1 (en) 1985-12-27 1986-12-19 Driving equipment for objective lens
KR8611059A KR900008082B1 (en) 1985-12-27 1986-12-22 Operating apparatus for objective lens
US06/945,089 US4792935A (en) 1985-12-27 1986-12-22 Objective lens driving device with multipole magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29637885A JPS62154331A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS62154331A true JPS62154331A (ja) 1987-07-09
JPH0472296B2 JPH0472296B2 (pm) 1992-11-17

Family

ID=17832773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29637885A Granted JPS62154331A (ja) 1985-12-27 1985-12-27 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS62154331A (pm)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194145A (ja) * 1982-05-01 1983-11-12 Sony Corp 光学ピツクアツプ装置
JPS59118130U (ja) * 1983-01-31 1984-08-09 ソニー株式会社 光学ヘツド

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194145A (ja) * 1982-05-01 1983-11-12 Sony Corp 光学ピツクアツプ装置
JPS59118130U (ja) * 1983-01-31 1984-08-09 ソニー株式会社 光学ヘツド

Also Published As

Publication number Publication date
JPH0472296B2 (pm) 1992-11-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term