WO2009050994A1 - 光情報記録媒体再生装置およびその制御方法 - Google Patents

光情報記録媒体再生装置およびその制御方法 Download PDF

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Publication number
WO2009050994A1
WO2009050994A1 PCT/JP2008/067327 JP2008067327W WO2009050994A1 WO 2009050994 A1 WO2009050994 A1 WO 2009050994A1 JP 2008067327 W JP2008067327 W JP 2008067327W WO 2009050994 A1 WO2009050994 A1 WO 2009050994A1
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WO
WIPO (PCT)
Prior art keywords
information recording
reproduction
recording medium
optical information
reproducing device
Prior art date
Application number
PCT/JP2008/067327
Other languages
English (en)
French (fr)
Inventor
Masaki Yamamoto
Hirohisa Yamada
Yasuhiro Harada
Go Mori
Hideharu Tajima
Shigemi Maeda
Yoshiteru Murakami
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to US12/734,169 priority Critical patent/US20100232269A1/en
Priority to CN200880111407.4A priority patent/CN101821802B/zh
Priority to JP2009538028A priority patent/JPWO2009050994A1/ja
Publication of WO2009050994A1 publication Critical patent/WO2009050994A1/ja
Priority to US12/814,091 priority patent/US20110058460A1/en
Priority to US12/814,153 priority patent/US8422344B2/en
Priority to US12/814,168 priority patent/US8422345B2/en
Priority to US12/814,133 priority patent/US20100246345A1/en
Priority to US12/814,111 priority patent/US8411538B2/en
Priority to US13/741,510 priority patent/US8767516B2/en
Priority to US13/846,025 priority patent/US8625397B2/en
Priority to US14/256,632 priority patent/US8976637B2/en

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/125—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of carrier data format
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/128—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of track pitch or recording density
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

　光学系の解像限界より短い長さの記録マークを含む情報記録層が複数積層された光情報記録媒体を再生する光情報記録媒体再生装置（１０）において、再生レーザ入射面に最も近い情報記録層を再生する再生レーザパワーが、再生レーザ入射面から最も遠い情報記録層を再生する再生レーザパワーより小さく、かつ、光情報記録媒体再生装置（１０）が必要とする再生信号特性を満たす最小の再生レーザパワー以上に設定されている。これにより、再生レーザ入射面に近い情報記録層を再生するときに、該情報記録層に誤って高い再生レーザパワーの再生レーザを照射してしまうことを防ぐことができ、良好な再生品質を得ることができる。すなわち、最適な再生レーザパワーを決定し、安定した超解像再生が可能な光情報記録媒体再生装置（１０）を実現できる。
PCT/JP2008/067327 2007-10-19 2008-09-25 光情報記録媒体再生装置およびその制御方法 WO2009050994A1 (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US12/734,169 US20100232269A1 (en) 2007-10-19 2008-09-25 Optical information storage medium reproduction apparatus and control method of the same
CN200880111407.4A CN101821802B (zh) 2007-10-19 2008-09-25 光信息记录介质重放装置
JP2009538028A JPWO2009050994A1 (ja) 2007-10-19 2008-09-25 光情報記録媒体再生装置
US12/814,111 US8411538B2 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,153 US8422344B2 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,091 US20110058460A1 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,168 US8422345B2 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,133 US20100246345A1 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US13/741,510 US8767516B2 (en) 2007-10-19 2013-01-15 Optical information storage medium reproduction apparatus and control method of the same
US13/846,025 US8625397B2 (en) 2007-10-19 2013-03-18 Optical information storage medium reproduction apparatus and control method of the same
US14/256,632 US8976637B2 (en) 2007-10-19 2014-04-18 Optical information storage medium reproduction apparatus and control method of the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-273204 2007-10-19
JP2007273204 2007-10-19

Related Child Applications (8)

Application Number Title Priority Date Filing Date
US12/734,169 A-371-Of-International US20100232269A1 (en) 2007-10-19 2008-09-25 Optical information storage medium reproduction apparatus and control method of the same
US12/814,111 Division US8411538B2 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,168 Division US8422345B2 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,133 Division US20100246345A1 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,133 Continuation US20100246345A1 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,091 Division US20110058460A1 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,091 Continuation US20110058460A1 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same
US12/814,153 Division US8422344B2 (en) 2007-10-19 2010-06-11 Optical information storage medium reproduction apparatus and control method of the same

Publications (1)

Publication Number Publication Date
WO2009050994A1 true WO2009050994A1 (ja) 2009-04-23

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PCT/JP2008/067327 WO2009050994A1 (ja) 2007-10-19 2008-09-25 光情報記録媒体再生装置およびその制御方法

Country Status (4)

Country Link
US (9) US20100232269A1 (ja)
JP (7) JPWO2009050994A1 (ja)
CN (7) CN101847423B (ja)
WO (1) WO2009050994A1 (ja)

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Publication number Priority date Publication date Assignee Title
US8971163B2 (en) 2011-01-07 2015-03-03 Mitsubishi Electric Corporation Optical disc device, optical disc and testing method of optical disc
WO2014196264A1 (ja) * 2013-06-07 2014-12-11 シャープ株式会社 光情報記録媒体、再生方法、及び再生装置
JPWO2014196264A1 (ja) * 2013-06-07 2017-02-23 シャープ株式会社 光情報記録媒体、再生方法、及び再生装置

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Publication number Publication date
US8976637B2 (en) 2015-03-10
US20100246374A1 (en) 2010-09-30
US8767516B2 (en) 2014-07-01
CN101840707B (zh) 2015-07-08
CN101872622A (zh) 2010-10-27
US20100246345A1 (en) 2010-09-30
CN101821802B (zh) 2013-06-19
US20100232269A1 (en) 2010-09-16
CN101821802A (zh) 2010-09-01
JP2010225276A (ja) 2010-10-07
US20100246344A1 (en) 2010-09-30
CN101872621B (zh) 2015-07-08
CN101840707A (zh) 2010-09-22
CN101847423A (zh) 2010-09-29
US20110058460A1 (en) 2011-03-10
US20140226451A1 (en) 2014-08-14
US20100246346A1 (en) 2010-09-30
CN101853672A (zh) 2010-10-06
JP2010257570A (ja) 2010-11-11
JP2010257571A (ja) 2010-11-11
US8422345B2 (en) 2013-04-16
JP2010225277A (ja) 2010-10-07
JPWO2009050994A1 (ja) 2011-03-03
US8625397B2 (en) 2014-01-07
CN101872621A (zh) 2010-10-27
CN102779534A (zh) 2012-11-14
JP2013077372A (ja) 2013-04-25
US20130229904A1 (en) 2013-09-05
CN101847423B (zh) 2012-08-29
US8422344B2 (en) 2013-04-16
US20130148486A1 (en) 2013-06-13
US8411538B2 (en) 2013-04-02
JP2010257569A (ja) 2010-11-11
CN101853672B (zh) 2015-02-25

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