JPH0154782B2 - - Google Patents

Info

Publication number
JPH0154782B2
JPH0154782B2 JP58198267A JP19826783A JPH0154782B2 JP H0154782 B2 JPH0154782 B2 JP H0154782B2 JP 58198267 A JP58198267 A JP 58198267A JP 19826783 A JP19826783 A JP 19826783A JP H0154782 B2 JPH0154782 B2 JP H0154782B2
Authority
JP
Japan
Prior art keywords
frame
objective lens
coil
spring
coils
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
JP58198267A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6093648A (ja
Inventor
Tsutomu Matsui
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.)
NEC Home Electronics Ltd
Original Assignee
NEC Home Electronics 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 NEC Home Electronics Ltd filed Critical NEC Home Electronics Ltd
Priority to JP19826783A priority Critical patent/JPS6093648A/ja
Publication of JPS6093648A publication Critical patent/JPS6093648A/ja
Publication of JPH0154782B2 publication Critical patent/JPH0154782B2/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
    • G11B7/081—Disposition or mounting of heads or light sources relatively to record carriers for time base error correction by moving the light beam
    • 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

  • Optical Recording Or Reproduction (AREA)
JP19826783A 1983-10-25 1983-10-25 三次元光ピツクアツプ Granted JPS6093648A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19826783A JPS6093648A (ja) 1983-10-25 1983-10-25 三次元光ピツクアツプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19826783A JPS6093648A (ja) 1983-10-25 1983-10-25 三次元光ピツクアツプ

Publications (2)

Publication Number Publication Date
JPS6093648A JPS6093648A (ja) 1985-05-25
JPH0154782B2 true JPH0154782B2 (OSRAM) 1989-11-21

Family

ID=16388291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19826783A Granted JPS6093648A (ja) 1983-10-25 1983-10-25 三次元光ピツクアツプ

Country Status (1)

Country Link
JP (1) JPS6093648A (OSRAM)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56130840A (en) * 1980-03-17 1981-10-14 Sanyo Electric Co Ltd Pickup controlling mechanism for video disc recorder
JPS5812145A (ja) * 1981-07-13 1983-01-24 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
JPS58121443A (ja) * 1982-01-14 1983-07-19 Oki Electric Ind Co Ltd 通信制御装置

Also Published As

Publication number Publication date
JPS6093648A (ja) 1985-05-25

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