JPS6074167A - 光学ヘツドの送りサ−ボ回路 - Google Patents

光学ヘツドの送りサ−ボ回路

Info

Publication number
JPS6074167A
JPS6074167A JP18060583A JP18060583A JPS6074167A JP S6074167 A JPS6074167 A JP S6074167A JP 18060583 A JP18060583 A JP 18060583A JP 18060583 A JP18060583 A JP 18060583A JP S6074167 A JPS6074167 A JP S6074167A
Authority
JP
Japan
Prior art keywords
circuit
signal
tracking
optical
servo
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
JP18060583A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0452530B2 (cs
Inventor
Shuichi Kimura
修一 木村
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 JP18060583A priority Critical patent/JPS6074167A/ja
Publication of JPS6074167A publication Critical patent/JPS6074167A/ja
Publication of JPH0452530B2 publication Critical patent/JPH0452530B2/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP18060583A 1983-09-30 1983-09-30 光学ヘツドの送りサ−ボ回路 Granted JPS6074167A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18060583A JPS6074167A (ja) 1983-09-30 1983-09-30 光学ヘツドの送りサ−ボ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18060583A JPS6074167A (ja) 1983-09-30 1983-09-30 光学ヘツドの送りサ−ボ回路

Publications (2)

Publication Number Publication Date
JPS6074167A true JPS6074167A (ja) 1985-04-26
JPH0452530B2 JPH0452530B2 (cs) 1992-08-24

Family

ID=16086169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18060583A Granted JPS6074167A (ja) 1983-09-30 1983-09-30 光学ヘツドの送りサ−ボ回路

Country Status (1)

Country Link
JP (1) JPS6074167A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613566U (ja) * 1984-06-14 1986-01-10 アイワ株式会社 光学ピツクアツプ送り制御装置
JPH01182934A (ja) * 1988-01-14 1989-07-20 Nikon Corp トラッキング制御装置
EP0461914A3 (en) * 1990-06-14 1993-02-10 International Business Machines Corporation Restraint of uncontrolled movement of moving device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613566U (ja) * 1984-06-14 1986-01-10 アイワ株式会社 光学ピツクアツプ送り制御装置
JPH01182934A (ja) * 1988-01-14 1989-07-20 Nikon Corp トラッキング制御装置
EP0461914A3 (en) * 1990-06-14 1993-02-10 International Business Machines Corporation Restraint of uncontrolled movement of moving device

Also Published As

Publication number Publication date
JPH0452530B2 (cs) 1992-08-24

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