JPS5744239A - Information reproducer - Google Patents

Information reproducer

Info

Publication number
JPS5744239A
JPS5744239A JP56108303A JP10830381A JPS5744239A JP S5744239 A JPS5744239 A JP S5744239A JP 56108303 A JP56108303 A JP 56108303A JP 10830381 A JP10830381 A JP 10830381A JP S5744239 A JPS5744239 A JP S5744239A
Authority
JP
Japan
Prior art keywords
signal
sent
tracking
signals
sampling pulse
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
JP56108303A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6362809B2 (enrdf_load_stackoverflow
Inventor
Akimichi Terada
Seiichi Mita
Masaru Matsumura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56108303A priority Critical patent/JPS5744239A/ja
Publication of JPS5744239A publication Critical patent/JPS5744239A/ja
Publication of JPS6362809B2 publication Critical patent/JPS6362809B2/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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
JP56108303A 1981-07-13 1981-07-13 Information reproducer Granted JPS5744239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56108303A JPS5744239A (en) 1981-07-13 1981-07-13 Information reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56108303A JPS5744239A (en) 1981-07-13 1981-07-13 Information reproducer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP48101204A Division JPS5912070B2 (ja) 1973-09-10 1973-09-10 情報記録再生方式

Publications (2)

Publication Number Publication Date
JPS5744239A true JPS5744239A (en) 1982-03-12
JPS6362809B2 JPS6362809B2 (enrdf_load_stackoverflow) 1988-12-05

Family

ID=14481269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56108303A Granted JPS5744239A (en) 1981-07-13 1981-07-13 Information reproducer

Country Status (1)

Country Link
JP (1) JPS5744239A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60261038A (ja) * 1984-06-07 1985-12-24 Victor Co Of Japan Ltd 繰返し記録可能な情報記録媒体円盤の記録再生装置
JPH0215427A (ja) * 1988-07-04 1990-01-19 Ricoh Co Ltd トラッキングエラー検出方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60261038A (ja) * 1984-06-07 1985-12-24 Victor Co Of Japan Ltd 繰返し記録可能な情報記録媒体円盤の記録再生装置
JPH0215427A (ja) * 1988-07-04 1990-01-19 Ricoh Co Ltd トラッキングエラー検出方法

Also Published As

Publication number Publication date
JPS6362809B2 (enrdf_load_stackoverflow) 1988-12-05

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