JPH054750B2 - - Google Patents

Info

Publication number
JPH054750B2
JPH054750B2 JP61081598A JP8159886A JPH054750B2 JP H054750 B2 JPH054750 B2 JP H054750B2 JP 61081598 A JP61081598 A JP 61081598A JP 8159886 A JP8159886 A JP 8159886A JP H054750 B2 JPH054750 B2 JP H054750B2
Authority
JP
Japan
Prior art keywords
circuit
output
signal
error
optical pickup
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
JP61081598A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62239387A (ja
Inventor
Teruo Hoshi
Toshuki Ozawa
Takafumi Nagasawa
Kazuhiro Kimura
Hiroyuki Arai
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 JP61081598A priority Critical patent/JPS62239387A/ja
Publication of JPS62239387A publication Critical patent/JPS62239387A/ja
Publication of JPH054750B2 publication Critical patent/JPH054750B2/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
    • G11B7/0946—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)
JP61081598A 1986-04-09 1986-04-09 光ピツクアツプの駆動装置 Granted JPS62239387A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61081598A JPS62239387A (ja) 1986-04-09 1986-04-09 光ピツクアツプの駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61081598A JPS62239387A (ja) 1986-04-09 1986-04-09 光ピツクアツプの駆動装置

Publications (2)

Publication Number Publication Date
JPS62239387A JPS62239387A (ja) 1987-10-20
JPH054750B2 true JPH054750B2 (enExample) 1993-01-20

Family

ID=13750753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61081598A Granted JPS62239387A (ja) 1986-04-09 1986-04-09 光ピツクアツプの駆動装置

Country Status (1)

Country Link
JP (1) JPS62239387A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3126409B2 (ja) * 1991-06-05 2001-01-22 キヤノン株式会社 情報記録再生方法
JP2793152B2 (ja) * 1995-08-02 1998-09-03 富士通テン株式会社 光ディスク記録担体の再生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142Y2 (ja) * 1976-06-26 1984-01-05 明 椎名 急須
JPS6147871U (ja) * 1984-09-01 1986-03-31 荒木 弘 急須

Also Published As

Publication number Publication date
JPS62239387A (ja) 1987-10-20

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term