JPS5736442A - Kogakujohosaiseisochi - Google Patents

Kogakujohosaiseisochi

Info

Publication number
JPS5736442A
JPS5736442A JP10922080A JP10922080A JPS5736442A JP S5736442 A JPS5736442 A JP S5736442A JP 10922080 A JP10922080 A JP 10922080A JP 10922080 A JP10922080 A JP 10922080A JP S5736442 A JPS5736442 A JP S5736442A
Authority
JP
Japan
Prior art keywords
supporter
attached
movable part
cylinder
reproducer
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.)
Pending
Application number
JP10922080A
Other languages
English (en)
Inventor
Takashi Yamaguchi
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 JP10922080A priority Critical patent/JPS5736442A/ja
Publication of JPS5736442A publication Critical patent/JPS5736442A/ja
Pending 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

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP10922080A 1980-08-11 1980-08-11 Kogakujohosaiseisochi Pending JPS5736442A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10922080A JPS5736442A (ja) 1980-08-11 1980-08-11 Kogakujohosaiseisochi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10922080A JPS5736442A (ja) 1980-08-11 1980-08-11 Kogakujohosaiseisochi

Publications (1)

Publication Number Publication Date
JPS5736442A true JPS5736442A (ja) 1982-02-27

Family

ID=14504634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10922080A Pending JPS5736442A (ja) 1980-08-11 1980-08-11 Kogakujohosaiseisochi

Country Status (1)

Country Link
JP (1) JPS5736442A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58179635U (ja) * 1982-05-25 1983-12-01 株式会社三協精機製作所 ピックアップの対物レンズ駆動装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113706A (en) * 1975-03-10 1976-10-07 Philips Nv Optically focusing device for focusing radiation beam
JPS53129605A (en) * 1977-04-19 1978-11-11 Sony Corp Focus controller of optical reproducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113706A (en) * 1975-03-10 1976-10-07 Philips Nv Optically focusing device for focusing radiation beam
JPS53129605A (en) * 1977-04-19 1978-11-11 Sony Corp Focus controller of optical reproducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58179635U (ja) * 1982-05-25 1983-12-01 株式会社三協精機製作所 ピックアップの対物レンズ駆動装置
JPH0222812Y2 (ja) * 1982-05-25 1990-06-20

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