JPWO2022195912A1 - - Google Patents

Info

Publication number
JPWO2022195912A1
JPWO2022195912A1 JP2023506713A JP2023506713A JPWO2022195912A1 JP WO2022195912 A1 JPWO2022195912 A1 JP WO2022195912A1 JP 2023506713 A JP2023506713 A JP 2023506713A JP 2023506713 A JP2023506713 A JP 2023506713A JP WO2022195912 A1 JPWO2022195912 A1 JP WO2022195912A1
Authority
JP
Japan
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.)
Pending
Application number
JP2023506713A
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 filed Critical
Publication of JPWO2022195912A1 publication Critical patent/JPWO2022195912A1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2023506713A 2021-03-16 2021-08-19 Pending JPWO2022195912A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021041964 2021-03-16
PCT/JP2021/030296 WO2022195912A1 (ja) 2021-03-16 2021-08-19 情報記録再生装置及び情報記録再生方法

Publications (1)

Publication Number Publication Date
JPWO2022195912A1 true JPWO2022195912A1 (ja) 2022-09-22

Family

ID=83322120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023506713A Pending JPWO2022195912A1 (ja) 2021-03-16 2021-08-19

Country Status (3)

Country Link
JP (1) JPWO2022195912A1 (ja)
CN (1) CN116917990A (ja)
WO (1) WO2022195912A1 (ja)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009295247A (ja) * 2008-06-06 2009-12-17 Sony Corp 光ディスク装置及び信号補正方法
JP5055411B2 (ja) * 2010-08-23 2012-10-24 株式会社日立製作所 光ディスク装置及び光ディスク装置調整方法
JP2012128893A (ja) * 2010-12-13 2012-07-05 Hitachi-Lg Data Storage Inc 光ディスク装置及び再生パワー制御方法
JP2013218759A (ja) * 2012-04-06 2013-10-24 Funai Electric Co Ltd 光ディスク装置および光ディスク記録有無判定方法
JP2014035780A (ja) * 2012-08-10 2014-02-24 Hitachi Consumer Electronics Co Ltd 光ディスク装置

Also Published As

Publication number Publication date
WO2022195912A1 (ja) 2022-09-22
CN116917990A (zh) 2023-10-20

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Legal Events

Date Code Title Description
A621 Written request for application examination

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Effective date: 20240605

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Effective date: 20240918