JPS6190335A - 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
JPS6190335A
JPS6190335A JP21048484A JP21048484A JPS6190335A JP S6190335 A JPS6190335 A JP S6190335A JP 21048484 A JP21048484 A JP 21048484A JP 21048484 A JP21048484 A JP 21048484A JP S6190335 A JPS6190335 A JP S6190335A
Authority
JP
Japan
Prior art keywords
tracking
signal
circuit
output
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
JP21048484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0466056B2 (en]
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 JP21048484A priority Critical patent/JPS6190335A/ja
Publication of JPS6190335A publication Critical patent/JPS6190335A/ja
Publication of JPH0466056B2 publication Critical patent/JPH0466056B2/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)
JP21048484A 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ Granted JPS6190335A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21048484A JPS6190335A (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
JP21048484A JPS6190335A (ja) 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ

Publications (2)

Publication Number Publication Date
JPS6190335A true JPS6190335A (ja) 1986-05-08
JPH0466056B2 JPH0466056B2 (en]) 1992-10-22

Family

ID=16590107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21048484A Granted JPS6190335A (ja) 1984-10-09 1984-10-09 光学式デイスクプレ−ヤ

Country Status (1)

Country Link
JP (1) JPS6190335A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6427033A (en) * 1987-07-23 1989-01-30 Sharp Kk Displacement correcting servo-device for pickup element
JPH064923U (ja) * 1992-06-12 1994-01-21 株式会社ケンウッド 光ディスク再生装置の傷検出回路および光ディスク再生装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6427033A (en) * 1987-07-23 1989-01-30 Sharp Kk Displacement correcting servo-device for pickup element
JPH064923U (ja) * 1992-06-12 1994-01-21 株式会社ケンウッド 光ディスク再生装置の傷検出回路および光ディスク再生装置

Also Published As

Publication number Publication date
JPH0466056B2 (en]) 1992-10-22

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term