JPS6190334A - 光学式デイスクプレ−ヤ - Google Patents

光学式デイスクプレ−ヤ

Info

Publication number
JPS6190334A
JPS6190334A JP21048584A JP21048584A JPS6190334A JP S6190334 A JPS6190334 A JP S6190334A JP 21048584 A JP21048584 A JP 21048584A JP 21048584 A JP21048584 A JP 21048584A JP S6190334 A JPS6190334 A JP S6190334A
Authority
JP
Japan
Prior art keywords
signal
circuit
tracking
error signal
optical disc
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
JP21048584A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0535484B2 (enrdf_load_stackoverflow
Inventor
Kazuhiko Fujiie
和彦 藤家
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 true JPS6190334A (ja) 1986-05-08
JPH0535484B2 JPH0535484B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Citations (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

Patent Citations (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
JPH0535484B2 (enrdf_load_stackoverflow) 1993-05-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term