JPH026135B2 - - Google Patents

Info

Publication number
JPH026135B2
JPH026135B2 JP6962781A JP6962781A JPH026135B2 JP H026135 B2 JPH026135 B2 JP H026135B2 JP 6962781 A JP6962781 A JP 6962781A JP 6962781 A JP6962781 A JP 6962781A JP H026135 B2 JPH026135 B2 JP H026135B2
Authority
JP
Japan
Prior art keywords
substrate
attached
rotating plate
objective lens
plane
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
JP6962781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57183640A (en
Inventor
Yoshizumi Mano
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP6962781A priority Critical patent/JPS57183640A/ja
Publication of JPS57183640A publication Critical patent/JPS57183640A/ja
Publication of JPH026135B2 publication Critical patent/JPH026135B2/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
    • G11B7/0932—Details of sprung supports

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP6962781A 1981-05-08 1981-05-08 Pickup device Granted JPS57183640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6962781A JPS57183640A (en) 1981-05-08 1981-05-08 Pickup device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6962781A JPS57183640A (en) 1981-05-08 1981-05-08 Pickup device

Publications (2)

Publication Number Publication Date
JPS57183640A JPS57183640A (en) 1982-11-12
JPH026135B2 true JPH026135B2 (el) 1990-02-07

Family

ID=13408285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6962781A Granted JPS57183640A (en) 1981-05-08 1981-05-08 Pickup device

Country Status (1)

Country Link
JP (1) JPS57183640A (el)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0144445B1 (en) 1983-05-31 1988-03-09 Matsushita Electric Industrial Co., Ltd. Apparatus for driving objective lens of optical disc player

Also Published As

Publication number Publication date
JPS57183640A (en) 1982-11-12

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