JP2006004568A - 光学的情報記録再生装置 - Google Patents

光学的情報記録再生装置 Download PDF

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Publication number
JP2006004568A
JP2006004568A JP2004182531A JP2004182531A JP2006004568A JP 2006004568 A JP2006004568 A JP 2006004568A JP 2004182531 A JP2004182531 A JP 2004182531A JP 2004182531 A JP2004182531 A JP 2004182531A JP 2006004568 A JP2006004568 A JP 2006004568A
Authority
JP
Japan
Prior art keywords
recording
signal level
reproducing
tracking error
state detection
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.)
Withdrawn
Application number
JP2004182531A
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English (en)
Japanese (ja)
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JP2006004568A5 (enExample
Inventor
Akito Watanabe
章人 渡辺
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2004182531A priority Critical patent/JP2006004568A/ja
Priority to US11/147,188 priority patent/US20050281156A1/en
Publication of JP2006004568A publication Critical patent/JP2006004568A/ja
Publication of JP2006004568A5 publication Critical patent/JP2006004568A5/ja
Withdrawn legal-status Critical Current

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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

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  • Optical Recording Or Reproduction (AREA)
JP2004182531A 2004-06-21 2004-06-21 光学的情報記録再生装置 Withdrawn JP2006004568A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004182531A JP2006004568A (ja) 2004-06-21 2004-06-21 光学的情報記録再生装置
US11/147,188 US20050281156A1 (en) 2004-06-21 2005-06-08 Optical information recording/reproducing apparatus capable of detecting timing to interrupt recording or reproducing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004182531A JP2006004568A (ja) 2004-06-21 2004-06-21 光学的情報記録再生装置

Publications (2)

Publication Number Publication Date
JP2006004568A true JP2006004568A (ja) 2006-01-05
JP2006004568A5 JP2006004568A5 (enExample) 2007-08-16

Family

ID=35480433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004182531A Withdrawn JP2006004568A (ja) 2004-06-21 2004-06-21 光学的情報記録再生装置

Country Status (2)

Country Link
US (1) US20050281156A1 (enExample)
JP (1) JP2006004568A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007234100A (ja) * 2006-02-28 2007-09-13 Canon Inc 情報記録再生装置
JP4577299B2 (ja) * 2006-11-15 2010-11-10 船井電機株式会社 光ディスク記録再生装置
JP2009093715A (ja) * 2007-10-04 2009-04-30 Sony Corp データ記録再生装置、カメラ装置、および、データ記録再生方法
JP2012208979A (ja) * 2011-03-30 2012-10-25 Hitachi-Lg Data Storage Inc 光ディスク装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113384A (en) * 1989-09-25 1992-05-12 Hewlett-Packard Company Focus capture method for magneto-optic disk drives
US5729511A (en) * 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US5703848A (en) * 1994-04-05 1997-12-30 Hewlett-Packard Company Off track detection system for ruggedized optical disk drive

Also Published As

Publication number Publication date
US20050281156A1 (en) 2005-12-22

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