JPH0535484B2 - - Google Patents

Info

Publication number
JPH0535484B2
JPH0535484B2 JP59210485A JP21048584A JPH0535484B2 JP H0535484 B2 JPH0535484 B2 JP H0535484B2 JP 59210485 A JP59210485 A JP 59210485A JP 21048584 A JP21048584 A JP 21048584A JP H0535484 B2 JPH0535484 B2 JP H0535484B2
Authority
JP
Japan
Prior art keywords
signal
tracking
circuit
detection circuit
error signal
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
JP59210485A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6190334A (ja
Inventor
Kazuhiko Fujiie
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 JP21048584A priority Critical patent/JPS6190334A/ja
Publication of JPS6190334A publication Critical patent/JPS6190334A/ja
Publication of JPH0535484B2 publication Critical patent/JPH0535484B2/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

  • Optical Recording Or Reproduction (AREA)
JP21048584A 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ Granted JPS6190334A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21048584A JPS6190334A (ja) 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21048584A JPS6190334A (ja) 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ

Publications (2)

Publication Number Publication Date
JPS6190334A JPS6190334A (ja) 1986-05-08
JPH0535484B2 true JPH0535484B2 (en]) 1993-05-26

Family

ID=16590125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21048584A Granted JPS6190334A (ja) 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ

Country Status (1)

Country Link
JP (1) JPS6190334A (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5987667A (ja) * 1982-11-10 1984-05-21 Matsushita Electric Ind Co Ltd 針飛び防止装置
JPS59101035A (ja) * 1982-11-30 1984-06-11 Nec Home Electronics Ltd デイジタル・オ−デイオデイスクプレ−ヤのレンズサ−ボル−プ遮断回路

Also Published As

Publication number Publication date
JPS6190334A (ja) 1986-05-08

Similar Documents

Publication Publication Date Title
US4730294A (en) Optical information-recording/reproducing apparatus with cancellation for offset contained in error signal
JP2820808B2 (ja) 光ディスク装置のフォーカス制御機構
EP0740293B1 (en) Tracking servo circuit
JPH0535484B2 (en])
JPS6190335A (ja) 光学式デイスクプレ−ヤ
KR100260435B1 (ko) 광디스크디펙존재시서보보상방법및장치
JPH0550058B2 (en])
US20060077802A1 (en) Optical disk device
JPS6346494B2 (en])
JP3271154B2 (ja) 光ディスク装置
JP2529379B2 (ja) オントラック検出装置
KR100247654B1 (ko) 트랙킹 조정 회로
JP2618068B2 (ja) オフトラック検出装置
JP2510411B2 (ja) フオ−カスサ−ボ装置
JPH067107B2 (ja) 情報記録ディスクのディフェクト検出装置
JPH073695B2 (ja) 光学式情報記録／再生装置
JPH07192285A (ja) 光ディスク装置
JPH03237630A (ja) 追記型光デイスク装置
JPS63173231A (ja) 光ヘツド装置
JPH03116417A (ja) 情報記録装置
JPH0916984A (ja) 光ディスク装置
JPH041408B2 (en])
JPH03116419A (ja) 情報記録装置
JPH03116428A (ja) 情報記録装置
JPS59217239A (ja) デイスクのトラツク追跡装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term