JPS6349294B2 - - Google Patents

Info

Publication number
JPS6349294B2
JPS6349294B2 JP6434182A JP6434182A JPS6349294B2 JP S6349294 B2 JPS6349294 B2 JP S6349294B2 JP 6434182 A JP6434182 A JP 6434182A JP 6434182 A JP6434182 A JP 6434182A JP S6349294 B2 JPS6349294 B2 JP S6349294B2
Authority
JP
Japan
Prior art keywords
holding member
coils
objective lens
counterweight
driving force
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
JP6434182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58182140A (ja
Inventor
Masayuki Ito
Tsuneo Hirose
Shinichi Tanaka
Hiroyuki Nakamura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6434182A priority Critical patent/JPS58182140A/ja
Publication of JPS58182140A publication Critical patent/JPS58182140A/ja
Publication of JPS6349294B2 publication Critical patent/JPS6349294B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
JP6434182A 1982-04-16 1982-04-16 対物レンズ駆動装置 Granted JPS58182140A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6434182A JPS58182140A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6434182A JPS58182140A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS58182140A JPS58182140A (ja) 1983-10-25
JPS6349294B2 true JPS6349294B2 (fr) 1988-10-04

Family

ID=13255439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6434182A Granted JPS58182140A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS58182140A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0287598A (ja) * 1988-07-11 1990-03-28 General Electric Co (Ge) 電子回路モジュ―ルの冷却構造

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587466A (en) * 1982-12-09 1986-05-06 Magnetic Peripherals Two axis linear motor for optical focusing and tracking system in optical recording
JPS6069841A (ja) * 1983-09-26 1985-04-20 Toshiba Corp 光学ヘッド装置
JPS60219641A (ja) * 1984-04-13 1985-11-02 Sharp Corp 対物レンズの３次元駆動装置
JPS62200539A (ja) * 1986-02-26 1987-09-04 Fujitsu Ltd ２次元微小可動ステ−ジ
JPH0646459B2 (ja) * 1986-07-04 1994-06-15 三洋電機株式会社 光学式ピツクアツプ装置
JPH0752519B2 (ja) * 1987-12-07 1995-06-05 三菱電機株式会社 レンズ駆動装置
JP2665793B2 (ja) * 1989-03-10 1997-10-22 株式会社 デジタルストリーム 光ディスク装置用光学ヘッドアクチュエータ
JPH0750023A (ja) * 1993-08-04 1995-02-21 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0287598A (ja) * 1988-07-11 1990-03-28 General Electric Co (Ge) 電子回路モジュ―ルの冷却構造

Also Published As

Publication number Publication date
JPS58182140A (ja) 1983-10-25

Similar Documents

Publication Publication Date Title
US4472024A (en) Apparatus for driving objective lens
US4616355A (en) Optical head device
JP2683243B2 (ja) レンズの支持装置
JPS6214891B2 (fr)
JPS6245613B2 (fr)
JPS6349294B2 (fr)
JPH0145144B2 (fr)
US4773062A (en) Optical information recording and reproducing apparatus including lens supporting mechanism employing cantilever springs
JPH0321972B2 (fr)
JPS5812145A (ja) 対物レンズ駆動装置
JPH0145143B2 (fr)
JPH0145141B2 (fr)
JPH0140407B2 (fr)
JPH0150012B2 (fr)
JPH0132579B2 (fr)
JPS639307B2 (fr)
JPH0614254Y2 (ja) 光学式情報読取装置におけるピックアップ装置
JPS6076039A (ja) 対物レンズ駆動装置
JPH07201054A (ja) 光学式ピックアップ装置
JPH0237129Y2 (fr)
JPH0850727A (ja) 対物レンズ駆動装置
JP3410862B2 (ja) 光ピックアップ
JPH0435817B2 (fr)
JPS624908Y2 (fr)
JP2827004B2 (ja) 光学式情報読取装置におけるピックアップ装置