JPS58182139A - 対物レンズ駆動装置 - Google Patents

対物レンズ駆動装置

Info

Publication number
JPS58182139A
JPS58182139A JP6434082A JP6434082A JPS58182139A JP S58182139 A JPS58182139 A JP S58182139A JP 6434082 A JP6434082 A JP 6434082A JP 6434082 A JP6434082 A JP 6434082A JP S58182139 A JPS58182139 A JP S58182139A
Authority
JP
Japan
Prior art keywords
coils
objective lens
holding member
coil
yokes
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
JP6434082A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140407B2 (enrdf_load_stackoverflow
Inventor
Masayuki Ito
正之 伊藤
Tsuneo Hirose
広瀬　凡夫
Shinichi Tanaka
伸一 田中
Hiroyuki Nakamura
裕行 中村
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 JP6434082A priority Critical patent/JPS58182139A/ja
Publication of JPS58182139A publication Critical patent/JPS58182139A/ja
Publication of JPH0140407B2 publication Critical patent/JPH0140407B2/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
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6434082A 1982-04-16 1982-04-16 対物レンズ駆動装置 Granted JPS58182139A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6434082A JPS58182139A (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
JP6434082A JPS58182139A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS58182139A true JPS58182139A (ja) 1983-10-25
JPH0140407B2 JPH0140407B2 (enrdf_load_stackoverflow) 1989-08-29

Family

ID=13255410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6434082A Granted JPS58182139A (ja) 1982-04-16 1982-04-16 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS58182139A (enrdf_load_stackoverflow)

Cited By (2)

* 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
US4616355A (en) * 1983-09-26 1986-10-07 Kabushiki Kaisha Toshiba Optical head device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819743A (ja) * 1981-07-24 1983-02-04 Pioneer Video Corp 記録情報読取装置における光学系駆動装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819743A (ja) * 1981-07-24 1983-02-04 Pioneer Video Corp 記録情報読取装置における光学系駆動装置

Cited By (2)

* 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
US4616355A (en) * 1983-09-26 1986-10-07 Kabushiki Kaisha Toshiba Optical head device

Also Published As

Publication number Publication date
JPH0140407B2 (enrdf_load_stackoverflow) 1989-08-29

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