JPH0580051B2 - - Google Patents

Info

Publication number
JPH0580051B2
JPH0580051B2 JP57151242A JP15124282A JPH0580051B2 JP H0580051 B2 JPH0580051 B2 JP H0580051B2 JP 57151242 A JP57151242 A JP 57151242A JP 15124282 A JP15124282 A JP 15124282A JP H0580051 B2 JPH0580051 B2 JP H0580051B2
Authority
JP
Japan
Prior art keywords
disk
light receiving
light
receiving section
focus
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 - Lifetime
Application number
JP57151242A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5942646A (ja
Inventor
Akio Koizumi
Hiroshi Yoshitoshi
Hajime Yano
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP15124282A priority Critical patent/JPS5942646A/ja
Publication of JPS5942646A publication Critical patent/JPS5942646A/ja
Publication of JPH0580051B2 publication Critical patent/JPH0580051B2/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

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP15124282A 1982-08-31 1982-08-31 デイスク装置のラジアルスキユ−補正装置 Granted JPS5942646A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15124282A JPS5942646A (ja) 1982-08-31 1982-08-31 デイスク装置のラジアルスキユ−補正装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15124282A JPS5942646A (ja) 1982-08-31 1982-08-31 デイスク装置のラジアルスキユ−補正装置

Publications (2)

Publication Number Publication Date
JPS5942646A JPS5942646A (ja) 1984-03-09
JPH0580051B2 true JPH0580051B2 (nl) 1993-11-05

Family

ID=15514360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15124282A Granted JPS5942646A (ja) 1982-08-31 1982-08-31 デイスク装置のラジアルスキユ−補正装置

Country Status (1)

Country Link
JP (1) JPS5942646A (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0539122Y2 (nl) * 1987-06-18 1993-10-04
DE68923833T2 (de) * 1988-06-20 1996-06-13 Mitsubishi Electric Corp Optischer Kopf mit Kippkorrekturservomechanismus.
JPH0758559B2 (ja) * 1988-09-02 1995-06-21 シャープ株式会社 光ピックアップ装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320904A (en) * 1976-08-11 1978-02-25 Toshiba Corp Optical information reader

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320904A (en) * 1976-08-11 1978-02-25 Toshiba Corp Optical information reader

Also Published As

Publication number Publication date
JPS5942646A (ja) 1984-03-09

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