JPH0542738B2 - - Google Patents

Info

Publication number
JPH0542738B2
JPH0542738B2 JP63070888A JP7088888A JPH0542738B2 JP H0542738 B2 JPH0542738 B2 JP H0542738B2 JP 63070888 A JP63070888 A JP 63070888A JP 7088888 A JP7088888 A JP 7088888A JP H0542738 B2 JPH0542738 B2 JP H0542738B2
Authority
JP
Japan
Prior art keywords
objective lens
holder
pair
disk
tracking control
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
JP63070888A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63288431A (ja
Inventor
Yoshiaki Hayakawa
Kazuo Hoshino
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
Mitsubishi Precision Co Ltd
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Precision 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 Mitsubishi Electric Corp, Mitsubishi Precision Co Ltd filed Critical Mitsubishi Electric Corp
Priority to JP7088888A priority Critical patent/JPS63288431A/ja
Publication of JPS63288431A publication Critical patent/JPS63288431A/ja
Publication of JPH0542738B2 publication Critical patent/JPH0542738B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP7088888A 1988-03-26 1988-03-26 光学式読取装置 Granted JPS63288431A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7088888A JPS63288431A (ja) 1988-03-26 1988-03-26 光学式読取装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7088888A JPS63288431A (ja) 1988-03-26 1988-03-26 光学式読取装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP56043236A Division JPS57158043A (en) 1981-03-26 1981-03-26 Optical reader

Publications (2)

Publication Number Publication Date
JPS63288431A JPS63288431A (ja) 1988-11-25
JPH0542738B2 true JPH0542738B2 (enrdf_load_stackoverflow) 1993-06-29

Family

ID=13444516

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7088888A Granted JPS63288431A (ja) 1988-03-26 1988-03-26 光学式読取装置

Country Status (1)

Country Link
JP (1) JPS63288431A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555444A (en) * 1978-10-16 1980-04-23 Hitachi Ltd Optical pickup

Also Published As

Publication number Publication date
JPS63288431A (ja) 1988-11-25

Similar Documents

Publication Publication Date Title
EP0147853B1 (en) Objective lens driving device
JPS5811692B2 (ja) ジヨウホウヨミトリソウチニオケル ジヨウホウケンシユツヘツド
US5745447A (en) Three-axis moving actuator for optical pick-up
KR100634131B1 (ko) 주 렌즈 및 보조 렌즈를 구비한 광학 주사장치
JPH0542738B2 (enrdf_load_stackoverflow)
JPS5811691B2 (ja) ジヨウホウヨミトリソウチニオケル ジヨウホウケンシユツヘツド
JPH1091990A (ja) 対物レンズチルト駆動装置
JPH0472295B2 (enrdf_load_stackoverflow)
JPS6353618B2 (enrdf_load_stackoverflow)
KR20010007329A (ko) 대물 렌즈 구동 장치와 광 디스크 장치
JPS6085446A (ja) 光学的情報記録再生装置の対物レンズ駆動装置
JP2542595B2 (ja) 対物レンズ駆動装置
JP3318061B2 (ja) 光ディスク装置
JPH0127134Y2 (enrdf_load_stackoverflow)
JPS61280040A (ja) 対物レンズ駆動装置
JPS63157328A (ja) 光学ヘツド用レンズアクチユエ−タ
JPS59160838A (ja) 情報検出ヘツド
JPS59160833A (ja) 投影レンズ駆動装置
JPS6254843A (ja) 対物レンズの多次元駆動装置
JPS59160840A (ja) 情報検出ヘツド
JPH06195732A (ja) 対物レンズ駆動装置
JPS63168850A (ja) 光学的情報処理装置の対物レンズ駆動装置
JPS59160835A (ja) 投影レンズ駆動装置
JPS59160837A (ja) 情報読取装置における情報検出ヘツド
JPH03141040A (ja) 対物レンズ駆動装置