JPS56148744A - Objective lens driving device - Google Patents

Objective lens driving device

Info

Publication number
JPS56148744A
JPS56148744A JP5226080A JP5226080A JPS56148744A JP S56148744 A JPS56148744 A JP S56148744A JP 5226080 A JP5226080 A JP 5226080A JP 5226080 A JP5226080 A JP 5226080A JP S56148744 A JPS56148744 A JP S56148744A
Authority
JP
Japan
Prior art keywords
yokes
objective lens
coils
moving member
magnetic
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
JP5226080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639309B2 (enrdf_load_stackoverflow
Inventor
Toru Musha
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 JP5226080A priority Critical patent/JPS56148744A/ja
Publication of JPS56148744A publication Critical patent/JPS56148744A/ja
Publication of JPS639309B2 publication Critical patent/JPS639309B2/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
    • G11B7/0929—Electromechanical actuators for lens positioning for tracking only

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP5226080A 1980-04-22 1980-04-22 Objective lens driving device Granted JPS56148744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5226080A JPS56148744A (en) 1980-04-22 1980-04-22 Objective lens driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5226080A JPS56148744A (en) 1980-04-22 1980-04-22 Objective lens driving device

Publications (2)

Publication Number Publication Date
JPS56148744A true JPS56148744A (en) 1981-11-18
JPS639309B2 JPS639309B2 (enrdf_load_stackoverflow) 1988-02-26

Family

ID=12909785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5226080A Granted JPS56148744A (en) 1980-04-22 1980-04-22 Objective lens driving device

Country Status (1)

Country Link
JP (1) JPS56148744A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117231A (ja) * 1984-07-04 1986-01-25 Nippon Sheet Glass Co Ltd 駆動機構

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06193015A (ja) * 1992-12-25 1994-07-12 Nippon Mentetsuku Kk ケーブルの制振方法とその装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117231A (ja) * 1984-07-04 1986-01-25 Nippon Sheet Glass Co Ltd 駆動機構

Also Published As

Publication number Publication date
JPS639309B2 (enrdf_load_stackoverflow) 1988-02-26

Similar Documents

Publication Publication Date Title
DK0588478T3 (da) Elektrisk stepmotor
JPS57103131A (en) Biaxial driver
US5165088A (en) Optical pickup with bilateral and vertical symmetry
ES8406769A1 (es) Un dispositivo electrodinamico para trasladar un objetivo que es electrodinamicamente movil
JPS56119944A (en) Disc player
KR900008082B1 (en) Operating apparatus for objective lens
JPS5583454A (en) Moving coil type linear motor
EP0036224B1 (en) Device for pivoting an optical element under electrodynamic control
JPS5583453A (en) Moving coil type linear motor
JPS56148744A (en) Objective lens driving device
JPS5588559A (en) Magnetic circuit construction for magnetic deriver
JPS55146636A (en) Objective lens driver
JPS56122107A (en) Electromagnetic driving device
JPS57151261A (en) Linear motor
JPS5720702A (en) Optical switch
SU1374169A1 (ru) Двухкоординатный дефлектор оптического излучени
JPS5727442A (en) Objective lens driving device
JPS57100629A (en) Focal point controller
JP2700005B2 (ja) 対物レンズ駆動装置
JPS57100630A (en) Three-dimensional driving device
JPS5579674A (en) Linear motor
JPS641132A (en) Objective lens driver
JPH0454565Y2 (enrdf_load_stackoverflow)
JPS5818472Y2 (ja) マルチリニアモ−タ
JPS54109801A (en) Optical reader