JPH0470696B2 - - Google Patents

Info

Publication number
JPH0470696B2
JPH0470696B2 JP56186027A JP18602781A JPH0470696B2 JP H0470696 B2 JPH0470696 B2 JP H0470696B2 JP 56186027 A JP56186027 A JP 56186027A JP 18602781 A JP18602781 A JP 18602781A JP H0470696 B2 JPH0470696 B2 JP H0470696B2
Authority
JP
Japan
Prior art keywords
support block
lens
tracking
objective lens
mirror
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
JP56186027A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5885943A (ja
Inventor
Osamu Oota
Masahiro Higuchi
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 JP18602781A priority Critical patent/JPS5885943A/ja
Publication of JPS5885943A publication Critical patent/JPS5885943A/ja
Publication of JPH0470696B2 publication Critical patent/JPH0470696B2/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)
JP18602781A 1981-11-18 1981-11-18 光学式デイスクプレ−ヤのトラツキング制御機構 Granted JPS5885943A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18602781A JPS5885943A (ja) 1981-11-18 1981-11-18 光学式デイスクプレ−ヤのトラツキング制御機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18602781A JPS5885943A (ja) 1981-11-18 1981-11-18 光学式デイスクプレ−ヤのトラツキング制御機構

Publications (2)

Publication Number Publication Date
JPS5885943A JPS5885943A (ja) 1983-05-23
JPH0470696B2 true JPH0470696B2 (enrdf_load_stackoverflow) 1992-11-11

Family

ID=16181107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18602781A Granted JPS5885943A (ja) 1981-11-18 1981-11-18 光学式デイスクプレ−ヤのトラツキング制御機構

Country Status (1)

Country Link
JP (1) JPS5885943A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163517U (ja) * 1984-04-02 1985-10-30 アルプス電気株式会社 光学式ピツクアツプ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935091B2 (ja) * 1979-11-12 1984-08-27 日本電信電話株式会社 光学的情報の読みとり装置

Also Published As

Publication number Publication date
JPS5885943A (ja) 1983-05-23

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