JPS58185035A - 光学式ピックアップ - Google Patents

光学式ピックアップ

Info

Publication number
JPS58185035A
JPS58185035A JP6662982A JP6662982A JPS58185035A JP S58185035 A JPS58185035 A JP S58185035A JP 6662982 A JP6662982 A JP 6662982A JP 6662982 A JP6662982 A JP 6662982A JP S58185035 A JPS58185035 A JP S58185035A
Authority
JP
Japan
Prior art keywords
magnetic
optical pickup
holding
coil
bearing body
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
JP6662982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6343817B2 (OSRAM
Inventor
Tadashi Takahashi
忠 高橋
Shitta Shinguu
新宮　悉太
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6662982A priority Critical patent/JPS58185035A/ja
Publication of JPS58185035A publication Critical patent/JPS58185035A/ja
Publication of JPS6343817B2 publication Critical patent/JPS6343817B2/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

  • Optical Recording Or Reproduction (AREA)
  • Automatic Focus Adjustment (AREA)
JP6662982A 1982-04-21 1982-04-21 光学式ピックアップ Granted JPS58185035A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6662982A JPS58185035A (ja) 1982-04-21 1982-04-21 光学式ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6662982A JPS58185035A (ja) 1982-04-21 1982-04-21 光学式ピックアップ

Publications (2)

Publication Number Publication Date
JPS58185035A true JPS58185035A (ja) 1983-10-28
JPS6343817B2 JPS6343817B2 (OSRAM) 1988-09-01

Family

ID=13321371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6662982A Granted JPS58185035A (ja) 1982-04-21 1982-04-21 光学式ピックアップ

Country Status (1)

Country Link
JP (1) JPS58185035A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6116041A (ja) * 1984-07-03 1986-01-24 Canon Inc 可動支持機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6116041A (ja) * 1984-07-03 1986-01-24 Canon Inc 可動支持機構

Also Published As

Publication number Publication date
JPS6343817B2 (OSRAM) 1988-09-01

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