JPH0150013B2 - - Google Patents

Info

Publication number
JPH0150013B2
JPH0150013B2 JP10377082A JP10377082A JPH0150013B2 JP H0150013 B2 JPH0150013 B2 JP H0150013B2 JP 10377082 A JP10377082 A JP 10377082A JP 10377082 A JP10377082 A JP 10377082A JP H0150013 B2 JPH0150013 B2 JP H0150013B2
Authority
JP
Japan
Prior art keywords
optical disk
piezoelectric element
direction perpendicular
signal
lens
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
JP10377082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58222448A (ja
Inventor
Katsuhiko Morita
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 JP10377082A priority Critical patent/JPS58222448A/ja
Publication of JPS58222448A publication Critical patent/JPS58222448A/ja
Publication of JPH0150013B2 publication Critical patent/JPH0150013B2/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)
JP10377082A 1982-06-18 1982-06-18 光デイスク用アクチユエ−タ Granted JPS58222448A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10377082A JPS58222448A (ja) 1982-06-18 1982-06-18 光デイスク用アクチユエ−タ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10377082A JPS58222448A (ja) 1982-06-18 1982-06-18 光デイスク用アクチユエ−タ

Publications (2)

Publication Number Publication Date
JPS58222448A JPS58222448A (ja) 1983-12-24
JPH0150013B2 true JPH0150013B2 (enrdf_load_stackoverflow) 1989-10-26

Family

ID=14362693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10377082A Granted JPS58222448A (ja) 1982-06-18 1982-06-18 光デイスク用アクチユエ−タ

Country Status (1)

Country Link
JP (1) JPS58222448A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS58222448A (ja) 1983-12-24

Similar Documents

Publication Publication Date Title
JPH0517616B2 (enrdf_load_stackoverflow)
JPS649659B2 (enrdf_load_stackoverflow)
JPH04102232A (ja) 対物レンズ駆動装置及び光ディスク装置
JPS6118812B2 (enrdf_load_stackoverflow)
JPH0150013B2 (enrdf_load_stackoverflow)
JPS58222449A (ja) 光デイスク用アクチユエ−タ
JPS59168839U (ja) 光学式情報読取装置における光学部品の駆動機構
JP2711581B2 (ja) 光情報装置における対物レンズ支持機構
JP2549862B2 (ja) 光学式情報読取装置における光ピックアップ支持装置
JPH0121541B2 (enrdf_load_stackoverflow)
JPH026137B2 (enrdf_load_stackoverflow)
JPH0676331A (ja) 対物レンズアクチュエータ
JPS60226031A (ja) 対物レンズ駆動装置
JPS59195340A (ja) 光ピツクアツプ支持装置
JPS60173727A (ja) 光学走査装置
JPH05205300A (ja) レンズ移動装置
JPH054732B2 (enrdf_load_stackoverflow)
JPH0770076B2 (ja) 対物レンズ駆動装置
JP2633427B2 (ja) 光ディスク装置
JP2827004B2 (ja) 光学式情報読取装置におけるピックアップ装置
JPS60226032A (ja) 光学式ビデオデイスクプレ−ヤの読出装置
KR0118093Y1 (ko) 이중 포커싱 광픽업 액튜에이터
JP2515977Y2 (ja) 光ディスクプレーヤに用いられる光ピックアップ装置
JPS6182338A (ja) ピツクアツプ装置
JPH01294233A (ja) 光ピックアップヘッドの対物光学系の支持機構