JPS59112443A - 光ピツクアツプ装置の対物レンズ上下左右移動装置 - Google Patents

光ピツクアツプ装置の対物レンズ上下左右移動装置

Info

Publication number
JPS59112443A
JPS59112443A JP22109582A JP22109582A JPS59112443A JP S59112443 A JPS59112443 A JP S59112443A JP 22109582 A JP22109582 A JP 22109582A JP 22109582 A JP22109582 A JP 22109582A JP S59112443 A JPS59112443 A JP S59112443A
Authority
JP
Japan
Prior art keywords
objective lens
tracking
focus
lens holder
coil
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
JP22109582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0210490B2 (enrdf_load_stackoverflow
Inventor
Tsutomu Matsui
勉 松井
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.)
Akai Electric Co Ltd
Original Assignee
Akai Electric 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 Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Priority to JP22109582A priority Critical patent/JPS59112443A/ja
Publication of JPS59112443A publication Critical patent/JPS59112443A/ja
Publication of JPH0210490B2 publication Critical patent/JPH0210490B2/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)
JP22109582A 1982-12-18 1982-12-18 光ピツクアツプ装置の対物レンズ上下左右移動装置 Granted JPS59112443A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22109582A JPS59112443A (ja) 1982-12-18 1982-12-18 光ピツクアツプ装置の対物レンズ上下左右移動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22109582A JPS59112443A (ja) 1982-12-18 1982-12-18 光ピツクアツプ装置の対物レンズ上下左右移動装置

Publications (2)

Publication Number Publication Date
JPS59112443A true JPS59112443A (ja) 1984-06-28
JPH0210490B2 JPH0210490B2 (enrdf_load_stackoverflow) 1990-03-08

Family

ID=16761406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22109582A Granted JPS59112443A (ja) 1982-12-18 1982-12-18 光ピツクアツプ装置の対物レンズ上下左右移動装置

Country Status (1)

Country Link
JP (1) JPS59112443A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0210490B2 (enrdf_load_stackoverflow) 1990-03-08

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