JPS592237A - 光デイスク用アクチユエ−タ - Google Patents

光デイスク用アクチユエ−タ

Info

Publication number
JPS592237A
JPS592237A JP10844982A JP10844982A JPS592237A JP S592237 A JPS592237 A JP S592237A JP 10844982 A JP10844982 A JP 10844982A JP 10844982 A JP10844982 A JP 10844982A JP S592237 A JPS592237 A JP S592237A
Authority
JP
Japan
Prior art keywords
piezoelectric element
lens
optical disk
voltage
electrodes
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
JP10844982A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0121541B2 (enrdf_load_stackoverflow
Inventor
Katsuhiko Morita
勝彦 森田
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 JP10844982A priority Critical patent/JPS592237A/ja
Publication of JPS592237A publication Critical patent/JPS592237A/ja
Publication of JPH0121541B2 publication Critical patent/JPH0121541B2/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
    • G11B7/0937—Piezoelectric actuators

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP10844982A 1982-06-25 1982-06-25 光デイスク用アクチユエ−タ Granted JPS592237A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10844982A JPS592237A (ja) 1982-06-25 1982-06-25 光デイスク用アクチユエ−タ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10844982A JPS592237A (ja) 1982-06-25 1982-06-25 光デイスク用アクチユエ−タ

Publications (2)

Publication Number Publication Date
JPS592237A true JPS592237A (ja) 1984-01-07
JPH0121541B2 JPH0121541B2 (enrdf_load_stackoverflow) 1989-04-21

Family

ID=14485061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10844982A Granted JPS592237A (ja) 1982-06-25 1982-06-25 光デイスク用アクチユエ−タ

Country Status (1)

Country Link
JP (1) JPS592237A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0121541B2 (enrdf_load_stackoverflow) 1989-04-21

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